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Remove unneeded LLVM CI test assertions - #139015
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Kobzol
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March 27, 2025 11:53
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This PR modifies If appropriate, please update |
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CI succeeded with a WIP commit that modified r? @onur-ozkan |
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@bors r+ |
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Rollup of 7 pull requests Successful merges: - rust-lang#138844 (expand: Leave traces when expanding `cfg` attributes) - rust-lang#138926 (Remove `kw::Empty` uses from `rustc_middle`.) - rust-lang#138989 (Clean up a few things in rustc_hir_analysis::check::region) - rust-lang#138999 (Report compiletest pass mode if forced) - rust-lang#139014 (Improve suggest construct with literal syntax instead of calling) - rust-lang#139015 (Remove unneeded LLVM CI test assertions) - rust-lang#139016 (Add job duration changes to post-merge analysis report) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of rust-lang#139015 - Kobzol:llvm-ci-test-fixes, r=onur-ozkan Remove unneeded LLVM CI test assertions The `download_ci_llvm` bootstrap test was checking implementation details of the LLVM CI download check, which isn't very useful. It was essentially testing "if function_that_checks_if_llvm_ci_is_available returns true, we enable CI LLVM", but the usage of the function was an implementation detail. After rust-lang#138704, the inner implementation has changed, so the test now breaks if LLVM is updated. I don't think that it's very useful to test implementation details like this, without taking the outside git state into account. Ideally, we should mock the git state for the test, otherwise the test will randomly break when executed in environments which the test does not control (e.g. on CI when a LLVM change happens). I only kept the part of the test that checks that LLVM CI isn't used when we specify `download-ci-llvm = false`, as that should hold under all conditions, CI/local, and all git states. I also kept the `if-unchanged` assertion, but only on CI, and as a temporary measure. After rust-lang#138591, we should have a proper way of mocking the git state to make the test robust, and make it test what we actually want. Fixes [this](rust-lang#138784 (comment)). r? `@ghost`
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The
download_ci_llvmbootstrap test was checking implementation details of the LLVM CI download check, which isn't very useful. It was essentially testing "if function_that_checks_if_llvm_ci_is_available returns true, we enable CI LLVM", but the usage of the function was an implementation detail. After #138704, the inner implementation has changed, so the test now breaks if LLVM is updated.I don't think that it's very useful to test implementation details like this, without taking the outside git state into account. Ideally, we should mock the git state for the test, otherwise the test will randomly break when executed in environments which the test does not control (e.g. on CI when a LLVM change happens).
I only kept the part of the test that checks that LLVM CI isn't used when we specify
download-ci-llvm = false, as that should hold under all conditions, CI/local, and all git states.I also kept the
if-unchangedassertion, but only on CI, and as a temporary measure. After #138591, we should have a proper way of mocking the git state to make the test robust, and make it test what we actually want.Fixesthis.
r? @ghost