docs(electron): document mocking the native main-process dialog API#40952
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Adds a recipe to class-electron.md showing how to stub `dialog.showOpenDialog` / `showSaveDialog` / `showMessageBox` (and their sync variants) via `electronApplication.evaluate()`, since Playwright does not intercept the native Electron Dialog API automatically. Refs microsoft#8278
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Test results for "MCP"7181 passed, 1113 skipped Merge workflow run. |
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Test results for "tests 1"3 flaky42061 passed, 850 skipped Merge workflow run. |
dgozman
approved these changes
May 21, 2026
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Summary
Adds a recipe to class-electron.md showing how to stub
dialog.showOpenDialog/showSaveDialog/showMessageBox(and their sync variants) viaelectronApplication.evaluate(), since Playwright doesn't intercept the native Electron Dialog API automatically.Replaces #40911.
Follow-up
If users need more sophisticated dialog interceptors with callbacks handled on the Playwright side (e.g. dynamic responses driven by test state, not just static stubs), we can later expose
ElectronApplication.exposeBinding— a main-process equivalent ofBrowserContext.exposeBinding— so the Electron main process can call into the test directly without going throughwebContents.executeJavaScript.Refs #8278