Improve Regression Test Reproducibility in CI#400

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
harryswift01 merged 6 commits into from
Jul 30, 2026
Merged

Improve Regression Test Reproducibility in CI #400

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
6 commits
Select commit Hold shift + click to select a range
0352289
tests: remove `xdist` from regression test suite
harryswift01 Jul 29, 2026
0ca77f5
tests: seed `CodeEntropy` regression subprocess
harryswift01 Jul 29, 2026
712d629
tests: remove custom seeding from regression test execution
harryswift01 Jul 29, 2026
1f6b037
fix: make covariance group indexing deterministic
harryswift01 Jul 29, 2026
7a23d42
fix(docstring): clarify deterministic group index mapping
harryswift01 Jul 29, 2026
746db3b
tests: make regression subprocess execution deterministic
harryswift01 Jul 29, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 1 addition & 3 deletions .github/workflows/pr.yaml
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -93,9 +93,7 @@ jobs:
run: |
python -m pytest tests/regression \
-m "not slow" \
-n auto \
--dist=loadscope \
-k "${{ matrix.system }}" \
--system "${{ matrix.system }}" \
-vv \
--durations=20

Expand Down
6 changes: 2 additions & 4 deletions .github/workflows/weekly-regression.yaml
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -64,11 +64,9 @@ jobs:

- name: Run regression tests (slow, per system)
run: |
pytest tests/regression \
-k "${{ matrix.system }}" \
python -m pytest tests/regression \
--system "${{ matrix.system }}" \
--run-slow \
-n auto \
--dist=loadscope \
-vv \
--durations=20

Expand Down
19 changes: 13 additions & 6 deletions CodeEntropy/levels/nodes/accumulators.py
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -86,17 +86,24 @@ def run(self, shared_data: dict[str, Any]) -> dict[str, Any]:

@staticmethod
def _build_group_index(groups: dict[int, Any]) -> GroupIndex:
"""Build group id <-> index mappings.
"""Build deterministic mappings between group IDs and contiguous indices.

Group IDs are sorted before indices are assigned, ensuring that the
resulting mappings do not depend on dictionary insertion order.

Args:
groups: Mapping of group id to group members.
groups: Mapping of group IDs to their members.

Returns:
GroupIndex mapping object.
Bidirectional mappings between group IDs and contiguous indices.
"""
group_ids = list(groups.keys())
gid2i = {gid: i for i, gid in enumerate(group_ids)}
return GroupIndex(group_id_to_index=gid2i, index_to_group_id=list(group_ids))
group_ids = sorted(groups)
gid2i = {gid: index for index, gid in enumerate(group_ids)}

return GroupIndex(
group_id_to_index=gid2i,
index_to_group_id=group_ids,
)

@staticmethod
def _build_accumulators(n_groups: int) -> CovarianceAccumulators:
Expand Down
1 change: 0 additions & 1 deletion conda-recipe/meta.yaml
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -38,7 +38,6 @@ requirements:
- dask >=2026.1.2,<2026.2.0
- distributed >=2026.1.2,<2026.2.0
- dask-jobqueue >=0.9,<0.10
- pytest-xdist >=3.8, <3.9
- numba >=0.65.1, <0.70

test:
Expand Down
3 changes: 1 addition & 2 deletions pyproject.toml
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -64,7 +64,6 @@ testing = [
"pytest>=9.0,<10.0",
"pytest-cov>=7.0,<8.0",
"pytest-sugar>=1.1,<2.0",
"pytest-xdist"
]
pre-commit = [
"pre-commit>=4.5,<5.0",
Expand All@@ -89,7 +88,7 @@ CodeEntropy = "CodeEntropy.cli:main"
[tool.pytest.ini_options]
testpaths = ["tests"]

addopts = "-n auto -vv -ra"
addopts = "-vv -ra"

markers = [
"regression: end-to-end regression tests against baselines",
Expand Down
12 changes: 1 addition & 11 deletions tests/regression/conftest.py
View file
Open in desktop
Original file line numberDiff line numberDiff line change
@@ -1,9 +1,5 @@
from __future__ import annotations

import os
import random

import numpy as np
import pytest


Expand DownExpand Up@@ -39,17 +35,11 @@ def pytest_addoption(parser: pytest.Parser) -> None:

def pytest_configure(config: pytest.Config) -> None:
"""
Register markers and enforce deterministic behavior.
Register regression test markers.
"""
config.addinivalue_line("markers", "regression: end-to-end regression tests")
config.addinivalue_line("markers", "slow: long-running tests (20-30+ minutes)")

seed = 0
random.seed(seed)
np.random.seed(seed)

os.environ["PYTHONHASHSEED"] = "0"


def pytest_collection_modifyitems(
config: pytest.Config, items: list[pytest.Item]
Expand Down
18 changes: 16 additions & 2 deletions tests/regression/helpers.py
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -3,6 +3,7 @@
import json
import os
import subprocess
import sys
import tarfile
import urllib.request
from dataclasses import dataclass
Expand DownExpand Up@@ -366,12 +367,25 @@ def run_codeentropy_with_config(*, workdir: Path, config_src: Path) -> RunResult

(workdir / "config.yaml").write_text(yaml.safe_dump(cooked, sort_keys=False))

env = os.environ.copy()
env.update(
{
"PYTHONHASHSEED": "0",
"OMP_NUM_THREADS": "1",
"OPENBLAS_NUM_THREADS": "1",
"MKL_NUM_THREADS": "1",
"NUMEXPR_NUM_THREADS": "1",
"BLIS_NUM_THREADS": "1",
"VECLIB_MAXIMUM_THREADS": "1",
}
)

proc = subprocess.run(
["python", "-m", "CodeEntropy"],
[sys.executable, "-m", "CodeEntropy"],
cwd=str(workdir),
capture_output=True,
text=True,
env={**os.environ},
env=env,
)

(workdir / "codeentropy_stdout.txt").write_text(proc.stdout or "")
Expand Down
22 changes: 1 addition & 21 deletions tests/regression/test_regression.py
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -10,27 +10,6 @@
from tests.regression.cases import discover_cases
from tests.regression.helpers import run_codeentropy_with_config

CASES = discover_cases()


def pytest_generate_tests(metafunc: pytest.Metafunc) -> None:
"""
Dynamically parametrize regression test cases.

This hook enables pytest-xdist to distribute individual regression cases
across multiple workers by generating test parametrization at collection time.

Args:
metafunc (pytest.Metafunc): Pytest metafunction object used to inspect
and modify test function parametrization.
"""
if "case" in metafunc.fixturenames:
metafunc.parametrize(
"case",
CASES,
ids=[c.id for c in CASES],
)


def _group_index(payload: dict[str, Any]) -> dict[str, dict[str, Any]]:
"""
Expand DownExpand Up@@ -139,6 +118,7 @@ def _compare_grouped(


@pytest.mark.regression
@pytest.mark.parametrize("case", discover_cases())
def test_regression_matches_baseline(
tmp_path: Path,
case,
Expand Down
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
Improve Regression Test Reproducibility in CI#400

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

harryswift01
merged 6 commits into

from

Jul 30, 2026
 Merged


Improve Regression Test Reproducibility in CI
#400
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


6 commits


Select commit
Hold shift + click to select a range
0352289

tests: remove `xdist` from regression test suite


harryswift01 Jul 29, 2026
0ca77f5

tests: seed `CodeEntropy` regression subprocess


harryswift01 Jul 29, 2026
712d629

tests: remove custom seeding from regression test execution


harryswift01 Jul 29, 2026
1f6b037

fix: make covariance group indexing deterministic


harryswift01 Jul 29, 2026
7a23d42

fix(docstring): clarify deterministic group index mapping


harryswift01 Jul 29, 2026
746db3b

tests: make regression subprocess execution deterministic


harryswift01 Jul 29, 2026

File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


4 changes: 1 addition & 3 deletions
.github/workflows/pr.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -93,9 +93,7 @@ jobs:
 run: |
 python -m pytest tests/regression \
 -m "not slow" \
 -n auto \
 --dist=loadscope \
 -k "${{ matrix.system }}" \
 --system "${{ matrix.system }}" \
 -vv \
 --durations=20

Expand Down

6 changes: 2 additions & 4 deletions
.github/workflows/weekly-regression.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -64,11 +64,9 @@ jobs:

 - name: Run regression tests (slow, per system)
 run: |
 pytest tests/regression \
 -k "${{ matrix.system }}" \
python -m pytest tests/regression \
 --system "${{ matrix.system }}" \
 --run-slow \
 -n auto \
 --dist=loadscope \
 -vv \
 --durations=20

Expand Down

19 changes: 13 additions & 6 deletions
CodeEntropy/levels/nodes/accumulators.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -86,17 +86,24 @@ def run(self, shared_data: dict[str, Any]) -> dict[str, Any]:

 @staticmethod
 def _build_group_index(groups: dict[int, Any]) -> GroupIndex:
 """Build group id <-> index mappings.
 """Build deterministic mappings between group IDs and contiguous indices.

 Group IDs are sorted before indices are assigned, ensuring that the
 resulting mappings do not depend on dictionary insertion order.

 Args:
 groups: Mapping of group id to group members.
 groups: Mapping of group IDs to their members.

 Returns:
GroupIndex mapping object.
Bidirectional mappings between group IDs and contiguous indices.
 """
 group_ids = list(groups.keys())
 gid2i = {gid: i for i, gid in enumerate(group_ids)}
 return GroupIndex(group_id_to_index=gid2i, index_to_group_id=list(group_ids))
 group_ids = sorted(groups)
 gid2i = {gid: index for index, gid in enumerate(group_ids)}

 return GroupIndex(
 group_id_to_index=gid2i,
 index_to_group_id=group_ids,
 )

 @staticmethod
 def _build_accumulators(n_groups: int) -> CovarianceAccumulators:
Expand Down

1 change: 0 additions & 1 deletion
conda-recipe/meta.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -38,7 +38,6 @@ requirements:
 - dask >=2026.1.2,<2026.2.0
 - distributed >=2026.1.2,<2026.2.0
 - dask-jobqueue >=0.9,<0.10
 - pytest-xdist >=3.8, <3.9
 - numba >=0.65.1, <0.70

test:
Expand Down

3 changes: 1 addition & 2 deletions
pyproject.toml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -64,7 +64,6 @@ testing = [
 "pytest>=9.0,<10.0",
 "pytest-cov>=7.0,<8.0",
 "pytest-sugar>=1.1,<2.0",
 "pytest-xdist"
]
pre-commit = [
 "pre-commit>=4.5,<5.0",
Expand All@@ -89,7 +88,7 @@ CodeEntropy = "CodeEntropy.cli:main"
[tool.pytest.ini_options]
testpaths = ["tests"]

addopts = "-n auto -vv -ra"
addopts = "-vv -ra"

markers = [
 "regression: end-to-end regression tests against baselines",
Expand Down

12 changes: 1 addition & 11 deletions
tests/regression/conftest.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,9 +1,5 @@
from __future__ import annotations

import os
import random

import numpy as np
import pytest


Expand DownExpand Up@@ -39,17 +35,11 @@ def pytest_addoption(parser: pytest.Parser) -> None:

def pytest_configure(config: pytest.Config) -> None:
 """
 Register markers and enforce deterministic behavior.
 Register regression test markers.
 """
 config.addinivalue_line("markers", "regression: end-to-end regression tests")
 config.addinivalue_line("markers", "slow: long-running tests (20-30+ minutes)")

 seed = 0
 random.seed(seed)
 np.random.seed(seed)

 os.environ["PYTHONHASHSEED"] = "0"


def pytest_collection_modifyitems(
 config: pytest.Config, items: list[pytest.Item]
Expand Down

18 changes: 16 additions & 2 deletions
tests/regression/helpers.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -3,6 +3,7 @@
import json
import os
import subprocess
import sys
import tarfile
import urllib.request
from dataclasses import dataclass
Expand DownExpand Up@@ -366,12 +367,25 @@ def run_codeentropy_with_config(*, workdir: Path, config_src: Path) -> RunResult

 (workdir / "config.yaml").write_text(yaml.safe_dump(cooked, sort_keys=False))

 env = os.environ.copy()
 env.update(
 {
 "PYTHONHASHSEED": "0",
 "OMP_NUM_THREADS": "1",
 "OPENBLAS_NUM_THREADS": "1",
 "MKL_NUM_THREADS": "1",
 "NUMEXPR_NUM_THREADS": "1",
 "BLIS_NUM_THREADS": "1",
 "VECLIB_MAXIMUM_THREADS": "1",
 }
 )

 proc = subprocess.run(
 ["python", "-m", "CodeEntropy"],
 [sys.executable, "-m", "CodeEntropy"],
 cwd=str(workdir),
 capture_output=True,
 text=True,
 env={**os.environ},
 env=env,
 )

 (workdir / "codeentropy_stdout.txt").write_text(proc.stdout or "")
Expand Down

22 changes: 1 addition & 21 deletions
tests/regression/test_regression.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -10,27 +10,6 @@
from tests.regression.cases import discover_cases
from tests.regression.helpers import run_codeentropy_with_config

CASES = discover_cases()


def pytest_generate_tests(metafunc: pytest.Metafunc) -> None:
 """
 Dynamically parametrize regression test cases.

 This hook enables pytest-xdist to distribute individual regression cases
 across multiple workers by generating test parametrization at collection time.

 Args:
 metafunc (pytest.Metafunc): Pytest metafunction object used to inspect
 and modify test function parametrization.
 """
 if "case" in metafunc.fixturenames:
 metafunc.parametrize(
 "case",
 CASES,
 ids=[c.id for c in CASES],
 )


def _group_index(payload: dict[str, Any]) -> dict[str, dict[str, Any]]:
 """
Expand DownExpand Up@@ -139,6 +118,7 @@ def _compare_grouped(


@pytest.mark.regression
@pytest.mark.parametrize("case", discover_cases())
def test_regression_matches_baseline(
 tmp_path: Path,
 case,
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Improve Regression Test Reproducibility in CI#400

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

harryswift01
merged 6 commits into

from

Jul 30, 2026
 Merged


Improve Regression Test Reproducibility in CI
#400
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


6 commits


Select commit
Hold shift + click to select a range
0352289

tests: remove `xdist` from regression test suite


harryswift01 Jul 29, 2026
0ca77f5

tests: seed `CodeEntropy` regression subprocess


harryswift01 Jul 29, 2026
712d629

tests: remove custom seeding from regression test execution


harryswift01 Jul 29, 2026
1f6b037

fix: make covariance group indexing deterministic


harryswift01 Jul 29, 2026
7a23d42

fix(docstring): clarify deterministic group index mapping


harryswift01 Jul 29, 2026
746db3b

tests: make regression subprocess execution deterministic


harryswift01 Jul 29, 2026

File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


4 changes: 1 addition & 3 deletions
.github/workflows/pr.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -93,9 +93,7 @@ jobs:
 run: |
 python -m pytest tests/regression \
 -m "not slow" \
 -n auto \
 --dist=loadscope \
 -k "${{ matrix.system }}" \
 --system "${{ matrix.system }}" \
 -vv \
 --durations=20

Expand Down

6 changes: 2 additions & 4 deletions
.github/workflows/weekly-regression.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -64,11 +64,9 @@ jobs:

 - name: Run regression tests (slow, per system)
 run: |
 pytest tests/regression \
 -k "${{ matrix.system }}" \
python -m pytest tests/regression \
 --system "${{ matrix.system }}" \
 --run-slow \
 -n auto \
 --dist=loadscope \
 -vv \
 --durations=20

Expand Down

19 changes: 13 additions & 6 deletions
CodeEntropy/levels/nodes/accumulators.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -86,17 +86,24 @@ def run(self, shared_data: dict[str, Any]) -> dict[str, Any]:

 @staticmethod
 def _build_group_index(groups: dict[int, Any]) -> GroupIndex:
 """Build group id <-> index mappings.
 """Build deterministic mappings between group IDs and contiguous indices.

 Group IDs are sorted before indices are assigned, ensuring that the
 resulting mappings do not depend on dictionary insertion order.

 Args:
 groups: Mapping of group id to group members.
 groups: Mapping of group IDs to their members.

 Returns:
GroupIndex mapping object.
Bidirectional mappings between group IDs and contiguous indices.
 """
 group_ids = list(groups.keys())
 gid2i = {gid: i for i, gid in enumerate(group_ids)}
 return GroupIndex(group_id_to_index=gid2i, index_to_group_id=list(group_ids))
 group_ids = sorted(groups)
 gid2i = {gid: index for index, gid in enumerate(group_ids)}

 return GroupIndex(
 group_id_to_index=gid2i,
 index_to_group_id=group_ids,
 )

 @staticmethod
 def _build_accumulators(n_groups: int) -> CovarianceAccumulators:
Expand Down

1 change: 0 additions & 1 deletion
conda-recipe/meta.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -38,7 +38,6 @@ requirements:
 - dask >=2026.1.2,<2026.2.0
 - distributed >=2026.1.2,<2026.2.0
 - dask-jobqueue >=0.9,<0.10
 - pytest-xdist >=3.8, <3.9
 - numba >=0.65.1, <0.70

test:
Expand Down

3 changes: 1 addition & 2 deletions
pyproject.toml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -64,7 +64,6 @@ testing = [
 "pytest>=9.0,<10.0",
 "pytest-cov>=7.0,<8.0",
 "pytest-sugar>=1.1,<2.0",
 "pytest-xdist"
]
pre-commit = [
 "pre-commit>=4.5,<5.0",
Expand All@@ -89,7 +88,7 @@ CodeEntropy = "CodeEntropy.cli:main"
[tool.pytest.ini_options]
testpaths = ["tests"]

addopts = "-n auto -vv -ra"
addopts = "-vv -ra"

markers = [
 "regression: end-to-end regression tests against baselines",
Expand Down

12 changes: 1 addition & 11 deletions
tests/regression/conftest.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,9 +1,5 @@
from __future__ import annotations

import os
import random

import numpy as np
import pytest


Expand DownExpand Up@@ -39,17 +35,11 @@ def pytest_addoption(parser: pytest.Parser) -> None:

def pytest_configure(config: pytest.Config) -> None:
 """
 Register markers and enforce deterministic behavior.
 Register regression test markers.
 """
 config.addinivalue_line("markers", "regression: end-to-end regression tests")
 config.addinivalue_line("markers", "slow: long-running tests (20-30+ minutes)")

 seed = 0
 random.seed(seed)
 np.random.seed(seed)

 os.environ["PYTHONHASHSEED"] = "0"


def pytest_collection_modifyitems(
 config: pytest.Config, items: list[pytest.Item]
Expand Down

18 changes: 16 additions & 2 deletions
tests/regression/helpers.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -3,6 +3,7 @@
import json
import os
import subprocess
import sys
import tarfile
import urllib.request
from dataclasses import dataclass
Expand DownExpand Up@@ -366,12 +367,25 @@ def run_codeentropy_with_config(*, workdir: Path, config_src: Path) -> RunResult

 (workdir / "config.yaml").write_text(yaml.safe_dump(cooked, sort_keys=False))

 env = os.environ.copy()
 env.update(
 {
 "PYTHONHASHSEED": "0",
 "OMP_NUM_THREADS": "1",
 "OPENBLAS_NUM_THREADS": "1",
 "MKL_NUM_THREADS": "1",
 "NUMEXPR_NUM_THREADS": "1",
 "BLIS_NUM_THREADS": "1",
 "VECLIB_MAXIMUM_THREADS": "1",
 }
 )

 proc = subprocess.run(
 ["python", "-m", "CodeEntropy"],
 [sys.executable, "-m", "CodeEntropy"],
 cwd=str(workdir),
 capture_output=True,
 text=True,
 env={**os.environ},
 env=env,
 )

 (workdir / "codeentropy_stdout.txt").write_text(proc.stdout or "")
Expand Down

22 changes: 1 addition & 21 deletions
tests/regression/test_regression.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -10,27 +10,6 @@
from tests.regression.cases import discover_cases
from tests.regression.helpers import run_codeentropy_with_config

CASES = discover_cases()


def pytest_generate_tests(metafunc: pytest.Metafunc) -> None:
 """
 Dynamically parametrize regression test cases.

 This hook enables pytest-xdist to distribute individual regression cases
 across multiple workers by generating test parametrization at collection time.

 Args:
 metafunc (pytest.Metafunc): Pytest metafunction object used to inspect
 and modify test function parametrization.
 """
 if "case" in metafunc.fixturenames:
 metafunc.parametrize(
 "case",
 CASES,
 ids=[c.id for c in CASES],
 )


def _group_index(payload: dict[str, Any]) -> dict[str, dict[str, Any]]:
 """
Expand DownExpand Up@@ -139,6 +118,7 @@ def _compare_grouped(


@pytest.mark.regression
@pytest.mark.parametrize("case", discover_cases())
def test_regression_matches_baseline(
 tmp_path: Path,
 case,
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Improve Regression Test Reproducibility in CI#400

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

harryswift01
merged 6 commits into

from

Jul 30, 2026
 Merged


Improve Regression Test Reproducibility in CI
#400
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


6 commits


Select commit
Hold shift + click to select a range
0352289

tests: remove `xdist` from regression test suite


harryswift01 Jul 29, 2026
0ca77f5

tests: seed `CodeEntropy` regression subprocess


harryswift01 Jul 29, 2026
712d629

tests: remove custom seeding from regression test execution


harryswift01 Jul 29, 2026
1f6b037

fix: make covariance group indexing deterministic


harryswift01 Jul 29, 2026
7a23d42

fix(docstring): clarify deterministic group index mapping


harryswift01 Jul 29, 2026
746db3b

tests: make regression subprocess execution deterministic


harryswift01 Jul 29, 2026

File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


4 changes: 1 addition & 3 deletions
.github/workflows/pr.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -93,9 +93,7 @@ jobs:
 run: |
 python -m pytest tests/regression \
 -m "not slow" \
 -n auto \
 --dist=loadscope \
 -k "${{ matrix.system }}" \
 --system "${{ matrix.system }}" \
 -vv \
 --durations=20

Expand Down

6 changes: 2 additions & 4 deletions
.github/workflows/weekly-regression.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -64,11 +64,9 @@ jobs:

 - name: Run regression tests (slow, per system)
 run: |
 pytest tests/regression \
 -k "${{ matrix.system }}" \
python -m pytest tests/regression \
 --system "${{ matrix.system }}" \
 --run-slow \
 -n auto \
 --dist=loadscope \
 -vv \
 --durations=20

Expand Down

19 changes: 13 additions & 6 deletions
CodeEntropy/levels/nodes/accumulators.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -86,17 +86,24 @@ def run(self, shared_data: dict[str, Any]) -> dict[str, Any]:

 @staticmethod
 def _build_group_index(groups: dict[int, Any]) -> GroupIndex:
 """Build group id <-> index mappings.
 """Build deterministic mappings between group IDs and contiguous indices.

 Group IDs are sorted before indices are assigned, ensuring that the
 resulting mappings do not depend on dictionary insertion order.

 Args:
 groups: Mapping of group id to group members.
 groups: Mapping of group IDs to their members.

 Returns:
GroupIndex mapping object.
Bidirectional mappings between group IDs and contiguous indices.
 """
 group_ids = list(groups.keys())
 gid2i = {gid: i for i, gid in enumerate(group_ids)}
 return GroupIndex(group_id_to_index=gid2i, index_to_group_id=list(group_ids))
 group_ids = sorted(groups)
 gid2i = {gid: index for index, gid in enumerate(group_ids)}

 return GroupIndex(
 group_id_to_index=gid2i,
 index_to_group_id=group_ids,
 )

 @staticmethod
 def _build_accumulators(n_groups: int) -> CovarianceAccumulators:
Expand Down

1 change: 0 additions & 1 deletion
conda-recipe/meta.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -38,7 +38,6 @@ requirements:
 - dask >=2026.1.2,<2026.2.0
 - distributed >=2026.1.2,<2026.2.0
 - dask-jobqueue >=0.9,<0.10
 - pytest-xdist >=3.8, <3.9
 - numba >=0.65.1, <0.70

test:
Expand Down

3 changes: 1 addition & 2 deletions
pyproject.toml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -64,7 +64,6 @@ testing = [
 "pytest>=9.0,<10.0",
 "pytest-cov>=7.0,<8.0",
 "pytest-sugar>=1.1,<2.0",
 "pytest-xdist"
]
pre-commit = [
 "pre-commit>=4.5,<5.0",
Expand All@@ -89,7 +88,7 @@ CodeEntropy = "CodeEntropy.cli:main"
[tool.pytest.ini_options]
testpaths = ["tests"]

addopts = "-n auto -vv -ra"
addopts = "-vv -ra"

markers = [
 "regression: end-to-end regression tests against baselines",
Expand Down

12 changes: 1 addition & 11 deletions
tests/regression/conftest.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,9 +1,5 @@
from __future__ import annotations

import os
import random

import numpy as np
import pytest


Expand DownExpand Up@@ -39,17 +35,11 @@ def pytest_addoption(parser: pytest.Parser) -> None:

def pytest_configure(config: pytest.Config) -> None:
 """
 Register markers and enforce deterministic behavior.
 Register regression test markers.
 """
 config.addinivalue_line("markers", "regression: end-to-end regression tests")
 config.addinivalue_line("markers", "slow: long-running tests (20-30+ minutes)")

 seed = 0
 random.seed(seed)
 np.random.seed(seed)

 os.environ["PYTHONHASHSEED"] = "0"


def pytest_collection_modifyitems(
 config: pytest.Config, items: list[pytest.Item]
Expand Down

18 changes: 16 additions & 2 deletions
tests/regression/helpers.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -3,6 +3,7 @@
import json
import os
import subprocess
import sys
import tarfile
import urllib.request
from dataclasses import dataclass
Expand DownExpand Up@@ -366,12 +367,25 @@ def run_codeentropy_with_config(*, workdir: Path, config_src: Path) -> RunResult

 (workdir / "config.yaml").write_text(yaml.safe_dump(cooked, sort_keys=False))

 env = os.environ.copy()
 env.update(
 {
 "PYTHONHASHSEED": "0",
 "OMP_NUM_THREADS": "1",
 "OPENBLAS_NUM_THREADS": "1",
 "MKL_NUM_THREADS": "1",
 "NUMEXPR_NUM_THREADS": "1",
 "BLIS_NUM_THREADS": "1",
 "VECLIB_MAXIMUM_THREADS": "1",
 }
 )

 proc = subprocess.run(
 ["python", "-m", "CodeEntropy"],
 [sys.executable, "-m", "CodeEntropy"],
 cwd=str(workdir),
 capture_output=True,
 text=True,
 env={**os.environ},
 env=env,
 )

 (workdir / "codeentropy_stdout.txt").write_text(proc.stdout or "")
Expand Down

22 changes: 1 addition & 21 deletions
tests/regression/test_regression.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -10,27 +10,6 @@
from tests.regression.cases import discover_cases
from tests.regression.helpers import run_codeentropy_with_config

CASES = discover_cases()


def pytest_generate_tests(metafunc: pytest.Metafunc) -> None:
 """
 Dynamically parametrize regression test cases.

 This hook enables pytest-xdist to distribute individual regression cases
 across multiple workers by generating test parametrization at collection time.

 Args:
 metafunc (pytest.Metafunc): Pytest metafunction object used to inspect
 and modify test function parametrization.
 """
 if "case" in metafunc.fixturenames:
 metafunc.parametrize(
 "case",
 CASES,
 ids=[c.id for c in CASES],
 )


def _group_index(payload: dict[str, Any]) -> dict[str, dict[str, Any]]:
 """
Expand DownExpand Up@@ -139,6 +118,7 @@ def _compare_grouped(


@pytest.mark.regression
@pytest.mark.parametrize("case", discover_cases())
def test_regression_matches_baseline(
 tmp_path: Path,
 case,
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
Improve Regression Test Reproducibility in CI#400

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

harryswift01
merged 6 commits into

from

Jul 30, 2026
 Merged


Improve Regression Test Reproducibility in CI
#400
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


6 commits


Select commit
Hold shift + click to select a range
0352289

tests: remove `xdist` from regression test suite


harryswift01 Jul 29, 2026
0ca77f5

tests: seed `CodeEntropy` regression subprocess


harryswift01 Jul 29, 2026
712d629

tests: remove custom seeding from regression test execution


harryswift01 Jul 29, 2026
1f6b037

fix: make covariance group indexing deterministic


harryswift01 Jul 29, 2026
7a23d42

fix(docstring): clarify deterministic group index mapping


harryswift01 Jul 29, 2026
746db3b

tests: make regression subprocess execution deterministic


harryswift01 Jul 29, 2026

File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


4 changes: 1 addition & 3 deletions
.github/workflows/pr.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -93,9 +93,7 @@ jobs:
 run: |
 python -m pytest tests/regression \
 -m "not slow" \
 -n auto \
 --dist=loadscope \
 -k "${{ matrix.system }}" \
 --system "${{ matrix.system }}" \
 -vv \
 --durations=20

Expand Down

6 changes: 2 additions & 4 deletions
.github/workflows/weekly-regression.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -64,11 +64,9 @@ jobs:

 - name: Run regression tests (slow, per system)
 run: |
 pytest tests/regression \
 -k "${{ matrix.system }}" \
python -m pytest tests/regression \
 --system "${{ matrix.system }}" \
 --run-slow \
 -n auto \
 --dist=loadscope \
 -vv \
 --durations=20

Expand Down

19 changes: 13 additions & 6 deletions
CodeEntropy/levels/nodes/accumulators.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -86,17 +86,24 @@ def run(self, shared_data: dict[str, Any]) -> dict[str, Any]:

 @staticmethod
 def _build_group_index(groups: dict[int, Any]) -> GroupIndex:
 """Build group id <-> index mappings.
 """Build deterministic mappings between group IDs and contiguous indices.

 Group IDs are sorted before indices are assigned, ensuring that the
 resulting mappings do not depend on dictionary insertion order.

 Args:
 groups: Mapping of group id to group members.
 groups: Mapping of group IDs to their members.

 Returns:
GroupIndex mapping object.
Bidirectional mappings between group IDs and contiguous indices.
 """
 group_ids = list(groups.keys())
 gid2i = {gid: i for i, gid in enumerate(group_ids)}
 return GroupIndex(group_id_to_index=gid2i, index_to_group_id=list(group_ids))
 group_ids = sorted(groups)
 gid2i = {gid: index for index, gid in enumerate(group_ids)}

 return GroupIndex(
 group_id_to_index=gid2i,
 index_to_group_id=group_ids,
 )

 @staticmethod
 def _build_accumulators(n_groups: int) -> CovarianceAccumulators:
Expand Down

1 change: 0 additions & 1 deletion
conda-recipe/meta.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -38,7 +38,6 @@ requirements:
 - dask >=2026.1.2,<2026.2.0
 - distributed >=2026.1.2,<2026.2.0
 - dask-jobqueue >=0.9,<0.10
 - pytest-xdist >=3.8, <3.9
 - numba >=0.65.1, <0.70

test:
Expand Down

3 changes: 1 addition & 2 deletions
pyproject.toml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -64,7 +64,6 @@ testing = [
 "pytest>=9.0,<10.0",
 "pytest-cov>=7.0,<8.0",
 "pytest-sugar>=1.1,<2.0",
 "pytest-xdist"
]
pre-commit = [
 "pre-commit>=4.5,<5.0",
Expand All@@ -89,7 +88,7 @@ CodeEntropy = "CodeEntropy.cli:main"
[tool.pytest.ini_options]
testpaths = ["tests"]

addopts = "-n auto -vv -ra"
addopts = "-vv -ra"

markers = [
 "regression: end-to-end regression tests against baselines",
Expand Down

12 changes: 1 addition & 11 deletions
tests/regression/conftest.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,9 +1,5 @@
from __future__ import annotations

import os
import random

import numpy as np
import pytest


Expand DownExpand Up@@ -39,17 +35,11 @@ def pytest_addoption(parser: pytest.Parser) -> None:

def pytest_configure(config: pytest.Config) -> None:
 """
 Register markers and enforce deterministic behavior.
 Register regression test markers.
 """
 config.addinivalue_line("markers", "regression: end-to-end regression tests")
 config.addinivalue_line("markers", "slow: long-running tests (20-30+ minutes)")

 seed = 0
 random.seed(seed)
 np.random.seed(seed)

 os.environ["PYTHONHASHSEED"] = "0"


def pytest_collection_modifyitems(
 config: pytest.Config, items: list[pytest.Item]
Expand Down

18 changes: 16 additions & 2 deletions
tests/regression/helpers.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -3,6 +3,7 @@
import json
import os
import subprocess
import sys
import tarfile
import urllib.request
from dataclasses import dataclass
Expand DownExpand Up@@ -366,12 +367,25 @@ def run_codeentropy_with_config(*, workdir: Path, config_src: Path) -> RunResult

 (workdir / "config.yaml").write_text(yaml.safe_dump(cooked, sort_keys=False))

 env = os.environ.copy()
 env.update(
 {
 "PYTHONHASHSEED": "0",
 "OMP_NUM_THREADS": "1",
 "OPENBLAS_NUM_THREADS": "1",
 "MKL_NUM_THREADS": "1",
 "NUMEXPR_NUM_THREADS": "1",
 "BLIS_NUM_THREADS": "1",
 "VECLIB_MAXIMUM_THREADS": "1",
 }
 )

 proc = subprocess.run(
 ["python", "-m", "CodeEntropy"],
 [sys.executable, "-m", "CodeEntropy"],
 cwd=str(workdir),
 capture_output=True,
 text=True,
 env={**os.environ},
 env=env,
 )

 (workdir / "codeentropy_stdout.txt").write_text(proc.stdout or "")
Expand Down

22 changes: 1 addition & 21 deletions
tests/regression/test_regression.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -10,27 +10,6 @@
from tests.regression.cases import discover_cases
from tests.regression.helpers import run_codeentropy_with_config

CASES = discover_cases()


def pytest_generate_tests(metafunc: pytest.Metafunc) -> None:
 """
 Dynamically parametrize regression test cases.

 This hook enables pytest-xdist to distribute individual regression cases
 across multiple workers by generating test parametrization at collection time.

 Args:
 metafunc (pytest.Metafunc): Pytest metafunction object used to inspect
 and modify test function parametrization.
 """
 if "case" in metafunc.fixturenames:
 metafunc.parametrize(
 "case",
 CASES,
 ids=[c.id for c in CASES],
 )


def _group_index(payload: dict[str, Any]) -> dict[str, dict[str, Any]]:
 """
Expand DownExpand Up@@ -139,6 +118,7 @@ def _compare_grouped(


@pytest.mark.regression
@pytest.mark.parametrize("case", discover_cases())
def test_regression_matches_baseline(
 tmp_path: Path,
 case,
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Improve Regression Test Reproducibility in CI#400

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

harryswift01
merged 6 commits into

from

Jul 30, 2026
 Merged


Improve Regression Test Reproducibility in CI
#400
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


6 commits


Select commit
Hold shift + click to select a range
0352289

tests: remove `xdist` from regression test suite


harryswift01 Jul 29, 2026
0ca77f5

tests: seed `CodeEntropy` regression subprocess


harryswift01 Jul 29, 2026
712d629

tests: remove custom seeding from regression test execution


harryswift01 Jul 29, 2026
1f6b037

fix: make covariance group indexing deterministic


harryswift01 Jul 29, 2026
7a23d42

fix(docstring): clarify deterministic group index mapping


harryswift01 Jul 29, 2026
746db3b

tests: make regression subprocess execution deterministic


harryswift01 Jul 29, 2026

File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


4 changes: 1 addition & 3 deletions
.github/workflows/pr.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -93,9 +93,7 @@ jobs:
 run: |
 python -m pytest tests/regression \
 -m "not slow" \
 -n auto \
 --dist=loadscope \
 -k "${{ matrix.system }}" \
 --system "${{ matrix.system }}" \
 -vv \
 --durations=20

Expand Down

6 changes: 2 additions & 4 deletions
.github/workflows/weekly-regression.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -64,11 +64,9 @@ jobs:

 - name: Run regression tests (slow, per system)
 run: |
 pytest tests/regression \
 -k "${{ matrix.system }}" \
python -m pytest tests/regression \
 --system "${{ matrix.system }}" \
 --run-slow \
 -n auto \
 --dist=loadscope \
 -vv \
 --durations=20

Expand Down

19 changes: 13 additions & 6 deletions
CodeEntropy/levels/nodes/accumulators.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -86,17 +86,24 @@ def run(self, shared_data: dict[str, Any]) -> dict[str, Any]:

 @staticmethod
 def _build_group_index(groups: dict[int, Any]) -> GroupIndex:
 """Build group id <-> index mappings.
 """Build deterministic mappings between group IDs and contiguous indices.

 Group IDs are sorted before indices are assigned, ensuring that the
 resulting mappings do not depend on dictionary insertion order.

 Args:
 groups: Mapping of group id to group members.
 groups: Mapping of group IDs to their members.

 Returns:
GroupIndex mapping object.
Bidirectional mappings between group IDs and contiguous indices.
 """
 group_ids = list(groups.keys())
 gid2i = {gid: i for i, gid in enumerate(group_ids)}
 return GroupIndex(group_id_to_index=gid2i, index_to_group_id=list(group_ids))
 group_ids = sorted(groups)
 gid2i = {gid: index for index, gid in enumerate(group_ids)}

 return GroupIndex(
 group_id_to_index=gid2i,
 index_to_group_id=group_ids,
 )

 @staticmethod
 def _build_accumulators(n_groups: int) -> CovarianceAccumulators:
Expand Down

1 change: 0 additions & 1 deletion
conda-recipe/meta.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -38,7 +38,6 @@ requirements:
 - dask >=2026.1.2,<2026.2.0
 - distributed >=2026.1.2,<2026.2.0
 - dask-jobqueue >=0.9,<0.10
 - pytest-xdist >=3.8, <3.9
 - numba >=0.65.1, <0.70

test:
Expand Down

3 changes: 1 addition & 2 deletions
pyproject.toml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -64,7 +64,6 @@ testing = [
 "pytest>=9.0,<10.0",
 "pytest-cov>=7.0,<8.0",
 "pytest-sugar>=1.1,<2.0",
 "pytest-xdist"
]
pre-commit = [
 "pre-commit>=4.5,<5.0",
Expand All@@ -89,7 +88,7 @@ CodeEntropy = "CodeEntropy.cli:main"
[tool.pytest.ini_options]
testpaths = ["tests"]

addopts = "-n auto -vv -ra"
addopts = "-vv -ra"

markers = [
 "regression: end-to-end regression tests against baselines",
Expand Down

12 changes: 1 addition & 11 deletions
tests/regression/conftest.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,9 +1,5 @@
from __future__ import annotations

import os
import random

import numpy as np
import pytest


Expand DownExpand Up@@ -39,17 +35,11 @@ def pytest_addoption(parser: pytest.Parser) -> None:

def pytest_configure(config: pytest.Config) -> None:
 """
 Register markers and enforce deterministic behavior.
 Register regression test markers.
 """
 config.addinivalue_line("markers", "regression: end-to-end regression tests")
 config.addinivalue_line("markers", "slow: long-running tests (20-30+ minutes)")

 seed = 0
 random.seed(seed)
 np.random.seed(seed)

 os.environ["PYTHONHASHSEED"] = "0"


def pytest_collection_modifyitems(
 config: pytest.Config, items: list[pytest.Item]
Expand Down

18 changes: 16 additions & 2 deletions
tests/regression/helpers.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -3,6 +3,7 @@
import json
import os
import subprocess
import sys
import tarfile
import urllib.request
from dataclasses import dataclass
Expand DownExpand Up@@ -366,12 +367,25 @@ def run_codeentropy_with_config(*, workdir: Path, config_src: Path) -> RunResult

 (workdir / "config.yaml").write_text(yaml.safe_dump(cooked, sort_keys=False))

 env = os.environ.copy()
 env.update(
 {
 "PYTHONHASHSEED": "0",
 "OMP_NUM_THREADS": "1",
 "OPENBLAS_NUM_THREADS": "1",
 "MKL_NUM_THREADS": "1",
 "NUMEXPR_NUM_THREADS": "1",
 "BLIS_NUM_THREADS": "1",
 "VECLIB_MAXIMUM_THREADS": "1",
 }
 )

 proc = subprocess.run(
 ["python", "-m", "CodeEntropy"],
 [sys.executable, "-m", "CodeEntropy"],
 cwd=str(workdir),
 capture_output=True,
 text=True,
 env={**os.environ},
 env=env,
 )

 (workdir / "codeentropy_stdout.txt").write_text(proc.stdout or "")
Expand Down

22 changes: 1 addition & 21 deletions
tests/regression/test_regression.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -10,27 +10,6 @@
from tests.regression.cases import discover_cases
from tests.regression.helpers import run_codeentropy_with_config

CASES = discover_cases()


def pytest_generate_tests(metafunc: pytest.Metafunc) -> None:
 """
 Dynamically parametrize regression test cases.

 This hook enables pytest-xdist to distribute individual regression cases
 across multiple workers by generating test parametrization at collection time.

 Args:
 metafunc (pytest.Metafunc): Pytest metafunction object used to inspect
 and modify test function parametrization.
 """
 if "case" in metafunc.fixturenames:
 metafunc.parametrize(
 "case",
 CASES,
 ids=[c.id for c in CASES],
 )


def _group_index(payload: dict[str, Any]) -> dict[str, dict[str, Any]]:
 """
Expand DownExpand Up@@ -139,6 +118,7 @@ def _compare_grouped(


@pytest.mark.regression
@pytest.mark.parametrize("case", discover_cases())
def test_regression_matches_baseline(
 tmp_path: Path,
 case,
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Improve Regression Test Reproducibility in CI#400

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

harryswift01
merged 6 commits into

from

Jul 30, 2026
 Merged


Improve Regression Test Reproducibility in CI
#400
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


6 commits


Select commit
Hold shift + click to select a range
0352289

tests: remove `xdist` from regression test suite


harryswift01 Jul 29, 2026
0ca77f5

tests: seed `CodeEntropy` regression subprocess


harryswift01 Jul 29, 2026
712d629

tests: remove custom seeding from regression test execution


harryswift01 Jul 29, 2026
1f6b037

fix: make covariance group indexing deterministic


harryswift01 Jul 29, 2026
7a23d42

fix(docstring): clarify deterministic group index mapping


harryswift01 Jul 29, 2026
746db3b

tests: make regression subprocess execution deterministic


harryswift01 Jul 29, 2026

File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


4 changes: 1 addition & 3 deletions
.github/workflows/pr.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -93,9 +93,7 @@ jobs:
 run: |
 python -m pytest tests/regression \
 -m "not slow" \
 -n auto \
 --dist=loadscope \
 -k "${{ matrix.system }}" \
 --system "${{ matrix.system }}" \
 -vv \
 --durations=20

Expand Down

6 changes: 2 additions & 4 deletions
.github/workflows/weekly-regression.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -64,11 +64,9 @@ jobs:

 - name: Run regression tests (slow, per system)
 run: |
 pytest tests/regression \
 -k "${{ matrix.system }}" \
python -m pytest tests/regression \
 --system "${{ matrix.system }}" \
 --run-slow \
 -n auto \
 --dist=loadscope \
 -vv \
 --durations=20

Expand Down

19 changes: 13 additions & 6 deletions
CodeEntropy/levels/nodes/accumulators.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -86,17 +86,24 @@ def run(self, shared_data: dict[str, Any]) -> dict[str, Any]:

 @staticmethod
 def _build_group_index(groups: dict[int, Any]) -> GroupIndex:
 """Build group id <-> index mappings.
 """Build deterministic mappings between group IDs and contiguous indices.

 Group IDs are sorted before indices are assigned, ensuring that the
 resulting mappings do not depend on dictionary insertion order.

 Args:
 groups: Mapping of group id to group members.
 groups: Mapping of group IDs to their members.

 Returns:
GroupIndex mapping object.
Bidirectional mappings between group IDs and contiguous indices.
 """
 group_ids = list(groups.keys())
 gid2i = {gid: i for i, gid in enumerate(group_ids)}
 return GroupIndex(group_id_to_index=gid2i, index_to_group_id=list(group_ids))
 group_ids = sorted(groups)
 gid2i = {gid: index for index, gid in enumerate(group_ids)}

 return GroupIndex(
 group_id_to_index=gid2i,
 index_to_group_id=group_ids,
 )

 @staticmethod
 def _build_accumulators(n_groups: int) -> CovarianceAccumulators:
Expand Down

1 change: 0 additions & 1 deletion
conda-recipe/meta.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -38,7 +38,6 @@ requirements:
 - dask >=2026.1.2,<2026.2.0
 - distributed >=2026.1.2,<2026.2.0
 - dask-jobqueue >=0.9,<0.10
 - pytest-xdist >=3.8, <3.9
 - numba >=0.65.1, <0.70

test:
Expand Down

3 changes: 1 addition & 2 deletions
pyproject.toml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -64,7 +64,6 @@ testing = [
 "pytest>=9.0,<10.0",
 "pytest-cov>=7.0,<8.0",
 "pytest-sugar>=1.1,<2.0",
 "pytest-xdist"
]
pre-commit = [
 "pre-commit>=4.5,<5.0",
Expand All@@ -89,7 +88,7 @@ CodeEntropy = "CodeEntropy.cli:main"
[tool.pytest.ini_options]
testpaths = ["tests"]

addopts = "-n auto -vv -ra"
addopts = "-vv -ra"

markers = [
 "regression: end-to-end regression tests against baselines",
Expand Down

12 changes: 1 addition & 11 deletions
tests/regression/conftest.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,9 +1,5 @@
from __future__ import annotations

import os
import random

import numpy as np
import pytest


Expand DownExpand Up@@ -39,17 +35,11 @@ def pytest_addoption(parser: pytest.Parser) -> None:

def pytest_configure(config: pytest.Config) -> None:
 """
 Register markers and enforce deterministic behavior.
 Register regression test markers.
 """
 config.addinivalue_line("markers", "regression: end-to-end regression tests")
 config.addinivalue_line("markers", "slow: long-running tests (20-30+ minutes)")

 seed = 0
 random.seed(seed)
 np.random.seed(seed)

 os.environ["PYTHONHASHSEED"] = "0"


def pytest_collection_modifyitems(
 config: pytest.Config, items: list[pytest.Item]
Expand Down

18 changes: 16 additions & 2 deletions
tests/regression/helpers.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -3,6 +3,7 @@
import json
import os
import subprocess
import sys
import tarfile
import urllib.request
from dataclasses import dataclass
Expand DownExpand Up@@ -366,12 +367,25 @@ def run_codeentropy_with_config(*, workdir: Path, config_src: Path) -> RunResult

 (workdir / "config.yaml").write_text(yaml.safe_dump(cooked, sort_keys=False))

 env = os.environ.copy()
 env.update(
 {
 "PYTHONHASHSEED": "0",
 "OMP_NUM_THREADS": "1",
 "OPENBLAS_NUM_THREADS": "1",
 "MKL_NUM_THREADS": "1",
 "NUMEXPR_NUM_THREADS": "1",
 "BLIS_NUM_THREADS": "1",
 "VECLIB_MAXIMUM_THREADS": "1",
 }
 )

 proc = subprocess.run(
 ["python", "-m", "CodeEntropy"],
 [sys.executable, "-m", "CodeEntropy"],
 cwd=str(workdir),
 capture_output=True,
 text=True,
 env={**os.environ},
 env=env,
 )

 (workdir / "codeentropy_stdout.txt").write_text(proc.stdout or "")
Expand Down

22 changes: 1 addition & 21 deletions
tests/regression/test_regression.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -10,27 +10,6 @@
from tests.regression.cases import discover_cases
from tests.regression.helpers import run_codeentropy_with_config

CASES = discover_cases()


def pytest_generate_tests(metafunc: pytest.Metafunc) -> None:
 """
 Dynamically parametrize regression test cases.

 This hook enables pytest-xdist to distribute individual regression cases
 across multiple workers by generating test parametrization at collection time.

 Args:
 metafunc (pytest.Metafunc): Pytest metafunction object used to inspect
 and modify test function parametrization.
 """
 if "case" in metafunc.fixturenames:
 metafunc.parametrize(
 "case",
 CASES,
 ids=[c.id for c in CASES],
 )


def _group_index(payload: dict[str, Any]) -> dict[str, dict[str, Any]]:
 """
Expand DownExpand Up@@ -139,6 +118,7 @@ def _compare_grouped(


@pytest.mark.regression
@pytest.mark.parametrize("case", discover_cases())
def test_regression_matches_baseline(
 tmp_path: Path,
 case,
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
Improve Regression Test Reproducibility in CI#400

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

harryswift01
merged 6 commits into

from

Jul 30, 2026
 Merged


Improve Regression Test Reproducibility in CI
#400
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


6 commits


Select commit
Hold shift + click to select a range
0352289

tests: remove `xdist` from regression test suite


harryswift01 Jul 29, 2026
0ca77f5

tests: seed `CodeEntropy` regression subprocess


harryswift01 Jul 29, 2026
712d629

tests: remove custom seeding from regression test execution


harryswift01 Jul 29, 2026
1f6b037

fix: make covariance group indexing deterministic


harryswift01 Jul 29, 2026
7a23d42

fix(docstring): clarify deterministic group index mapping


harryswift01 Jul 29, 2026
746db3b

tests: make regression subprocess execution deterministic


harryswift01 Jul 29, 2026

File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


4 changes: 1 addition & 3 deletions
.github/workflows/pr.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -93,9 +93,7 @@ jobs:
 run: |
 python -m pytest tests/regression \
 -m "not slow" \
 -n auto \
 --dist=loadscope \
 -k "${{ matrix.system }}" \
 --system "${{ matrix.system }}" \
 -vv \
 --durations=20

Expand Down

6 changes: 2 additions & 4 deletions
.github/workflows/weekly-regression.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -64,11 +64,9 @@ jobs:

 - name: Run regression tests (slow, per system)
 run: |
 pytest tests/regression \
 -k "${{ matrix.system }}" \
python -m pytest tests/regression \
 --system "${{ matrix.system }}" \
 --run-slow \
 -n auto \
 --dist=loadscope \
 -vv \
 --durations=20

Expand Down

19 changes: 13 additions & 6 deletions
CodeEntropy/levels/nodes/accumulators.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -86,17 +86,24 @@ def run(self, shared_data: dict[str, Any]) -> dict[str, Any]:

 @staticmethod
 def _build_group_index(groups: dict[int, Any]) -> GroupIndex:
 """Build group id <-> index mappings.
 """Build deterministic mappings between group IDs and contiguous indices.

 Group IDs are sorted before indices are assigned, ensuring that the
 resulting mappings do not depend on dictionary insertion order.

 Args:
 groups: Mapping of group id to group members.
 groups: Mapping of group IDs to their members.

 Returns:
GroupIndex mapping object.
Bidirectional mappings between group IDs and contiguous indices.
 """
 group_ids = list(groups.keys())
 gid2i = {gid: i for i, gid in enumerate(group_ids)}
 return GroupIndex(group_id_to_index=gid2i, index_to_group_id=list(group_ids))
 group_ids = sorted(groups)
 gid2i = {gid: index for index, gid in enumerate(group_ids)}

 return GroupIndex(
 group_id_to_index=gid2i,
 index_to_group_id=group_ids,
 )

 @staticmethod
 def _build_accumulators(n_groups: int) -> CovarianceAccumulators:
Expand Down

1 change: 0 additions & 1 deletion
conda-recipe/meta.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -38,7 +38,6 @@ requirements:
 - dask >=2026.1.2,<2026.2.0
 - distributed >=2026.1.2,<2026.2.0
 - dask-jobqueue >=0.9,<0.10
 - pytest-xdist >=3.8, <3.9
 - numba >=0.65.1, <0.70

test:
Expand Down

3 changes: 1 addition & 2 deletions
pyproject.toml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -64,7 +64,6 @@ testing = [
 "pytest>=9.0,<10.0",
 "pytest-cov>=7.0,<8.0",
 "pytest-sugar>=1.1,<2.0",
 "pytest-xdist"
]
pre-commit = [
 "pre-commit>=4.5,<5.0",
Expand All@@ -89,7 +88,7 @@ CodeEntropy = "CodeEntropy.cli:main"
[tool.pytest.ini_options]
testpaths = ["tests"]

addopts = "-n auto -vv -ra"
addopts = "-vv -ra"

markers = [
 "regression: end-to-end regression tests against baselines",
Expand Down

12 changes: 1 addition & 11 deletions
tests/regression/conftest.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,9 +1,5 @@
from __future__ import annotations

import os
import random

import numpy as np
import pytest


Expand DownExpand Up@@ -39,17 +35,11 @@ def pytest_addoption(parser: pytest.Parser) -> None:

def pytest_configure(config: pytest.Config) -> None:
 """
 Register markers and enforce deterministic behavior.
 Register regression test markers.
 """
 config.addinivalue_line("markers", "regression: end-to-end regression tests")
 config.addinivalue_line("markers", "slow: long-running tests (20-30+ minutes)")

 seed = 0
 random.seed(seed)
 np.random.seed(seed)

 os.environ["PYTHONHASHSEED"] = "0"


def pytest_collection_modifyitems(
 config: pytest.Config, items: list[pytest.Item]
Expand Down

18 changes: 16 additions & 2 deletions
tests/regression/helpers.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -3,6 +3,7 @@
import json
import os
import subprocess
import sys
import tarfile
import urllib.request
from dataclasses import dataclass
Expand DownExpand Up@@ -366,12 +367,25 @@ def run_codeentropy_with_config(*, workdir: Path, config_src: Path) -> RunResult

 (workdir / "config.yaml").write_text(yaml.safe_dump(cooked, sort_keys=False))

 env = os.environ.copy()
 env.update(
 {
 "PYTHONHASHSEED": "0",
 "OMP_NUM_THREADS": "1",
 "OPENBLAS_NUM_THREADS": "1",
 "MKL_NUM_THREADS": "1",
 "NUMEXPR_NUM_THREADS": "1",
 "BLIS_NUM_THREADS": "1",
 "VECLIB_MAXIMUM_THREADS": "1",
 }
 )

 proc = subprocess.run(
 ["python", "-m", "CodeEntropy"],
 [sys.executable, "-m", "CodeEntropy"],
 cwd=str(workdir),
 capture_output=True,
 text=True,
 env={**os.environ},
 env=env,
 )

 (workdir / "codeentropy_stdout.txt").write_text(proc.stdout or "")
Expand Down

22 changes: 1 addition & 21 deletions
tests/regression/test_regression.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -10,27 +10,6 @@
from tests.regression.cases import discover_cases
from tests.regression.helpers import run_codeentropy_with_config

CASES = discover_cases()


def pytest_generate_tests(metafunc: pytest.Metafunc) -> None:
 """
 Dynamically parametrize regression test cases.

 This hook enables pytest-xdist to distribute individual regression cases
 across multiple workers by generating test parametrization at collection time.

 Args:
 metafunc (pytest.Metafunc): Pytest metafunction object used to inspect
 and modify test function parametrization.
 """
 if "case" in metafunc.fixturenames:
 metafunc.parametrize(
 "case",
 CASES,
 ids=[c.id for c in CASES],
 )


def _group_index(payload: dict[str, Any]) -> dict[str, dict[str, Any]]:
 """
Expand DownExpand Up@@ -139,6 +118,7 @@ def _compare_grouped(


@pytest.mark.regression
@pytest.mark.parametrize("case", discover_cases())
def test_regression_matches_baseline(
 tmp_path: Path,
 case,
Expand Down