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Switch Windows CI virtual displays from usbmmidd_v2 to VirtualDrivers/Virtual-Display-Driver - #218
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ReenigneArcher with Copilot wants to merge 4 commits into
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Switch Windows CI virtual displays from usbmmidd_v2 to VirtualDrivers/Virtual-Display-Driver#218ReenigneArcher with Copilot wants to merge 4 commits into
ReenigneArcher with Copilot wants to merge 4 commits into
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…plicate tests on Windows Co-authored-by: ReenigneArcher <42013603+ReenigneArcher@users.noreply.github.com>
CopilotAI
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[WIP] Fix two unit tests failing on Windows in CIfix(ci): reduce Windows virtual displays from 2 to 1 to fix topology testsMar 17, 2026
…edTopology system tests Co-authored-by: ReenigneArcher <42013603+ReenigneArcher@users.noreply.github.com>
CopilotAI
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fix(ci): reduce Windows virtual displays from 2 to 1 to fix topology testsFix DuplicatedTopology/MixedTopology system tests failing on Windows CIMar 17, 2026
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@## master #218 +/- ##
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Coverage 93.12% 93.12% =======================================
Files 34 34 Lines 2123 2123 Branches 1086 1086 =======================================
Hits 1977 1977 Misses 82 82 Partials 64 64
Flags with carried forward coverage won't be shown. Click here to find out more. |
…er for Windows virtual displays Co-authored-by: ReenigneArcher <42013603+ReenigneArcher@users.noreply.github.com>
CopilotAI
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Fix DuplicatedTopology/MixedTopology system tests failing on Windows CISwitch Windows CI virtual displays from usbmmidd_v2 to VirtualDrivers/Virtual-Display-DriverMar 17, 2026
ReenigneArcher
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Mar 21, 2026
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SetCurrentTopology_DuplicatedTopologyfails because usbmmidd_v2 creates displays withDISPLAYCONFIG_OUTPUT_TECHNOLOGY_OTHER, which Windows refuses to use in clone/duplicate topology operations on modern runners.Test changes
DuplicatedTopologyandMixedTopologysystem tests now usegetAvailableDevices(*m_layer)(defaultonly_valid_output=true) instead offalse, filtering outDISPLAYCONFIG_OUTPUT_TECHNOLOGY_OTHERdisplays — consistent with how the equivalent mode tests already behave, and enables graceful skip rather than hard fail when no clonable displays are presentCI changes
Replace usbmmidd_v2 with VirtualDrivers/Virtual-Display-Driver (VDD 25.7.23), an officially signed IDD-based driver whose displays:
OTHER), so they pass theonly_valid_output=truefilterInstallation steps added to the
Prepare testsstep:mttvdd.cat→ install intoTrustedPublisherstoreC:\VirtualDisplayDriver\vdd_settings.xmlwith<count>2</count>before driver load (driver reads this on startup to determine monitor count)nefconw.exe install MttVDD.inf "Root\MttVDD"Get-PnpDevice -HardwareID "Root\MttVDD"forOKstatus (up to 60 s) instead of a hardcoded sleepWarning
Firewall rules blocked me from connecting to one or more addresses (expand for details)
I tried to connect to the following addresses, but was blocked by firewall rules:
https://api.github.com/repos/VirtualDrivers/Virtual-Display-Driver/contents/VirtualDisplayDriver/home/REDACTED/work/_temp/ghcca-node/node/bin/node /home/REDACTED/work/_temp/ghcca-node/node/bin/node --enable-source-maps /home/REDACTED/work/_temp/copilot-developer-action-main/dist/index.js(http block)https://api.github.com/repos/VirtualDrivers/Virtual-Display-Driver/git/trees/master/home/REDACTED/work/_temp/ghcca-node/node/bin/node /home/REDACTED/work/_temp/ghcca-node/node/bin/node --enable-source-maps /home/REDACTED/work/_temp/copilot-developer-action-main/dist/index.js(http block)If you need me to access, download, or install something from one of these locations, you can either:
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