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[3.14] gh-124621: Emscripten: Add smoke test for using pyrepl in Chrome (GH-137004) #137067

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Merged
merged 2 commits into from
Jul 29, 2025
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[3.14] gh-124621: Emscripten: Add smoke test for using pyrepl in Chrome (GH-137004) #137067

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gh-124621: Emscripten: Add smoke test for using pyrepl in Chrome (GH-…
hoodmane Jul 24, 2025
ad5b039
Merge branch '3.14' into backport-ae4d27e-3.14
zware Jul 24, 2025
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11 changes: 11 additions & 0 deletions Tools/wasm/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -84,6 +84,17 @@ make a node application that "embeds" the interpreter instead of acting like the
CLI you will need to write your own alternative to `node_entry.mjs`.


### Running tests

After building, you can run the full test suite with:
```shell
./cross-build/wasm32-emscripten/build/python/python.sh -m test -uall
```
You can run the browser smoke test with:
```shell
./Tools/wasm/emscripten/browser_test/run_test.sh
```

### The Web Example

When building for Emscripten, the web example will be built automatically. It
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4 changes: 4 additions & 0 deletions Tools/wasm/emscripten/browser_test/.gitignore
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@@ -0,0 +1,4 @@
node_modules
test-results
playwright-report
test_log.txt
15 changes: 15 additions & 0 deletions Tools/wasm/emscripten/browser_test/index.spec.ts
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import { test, expect } from '@playwright/test';

test('has title', async ({ page }) => {
await page.goto('/');

await expect(page).toHaveTitle("Emscripten PyRepl Example");
const xterm = await page.locator('css=#terminal');
await expect(xterm).toHaveText(/Python.*on emscripten.*Type.*for more information/);
const xtermInput = await page.getByRole('textbox');
await xtermInput.pressSequentially(`def f():\nprint("hello", "emscripten repl!")\n\n`);
await xtermInput.pressSequentially(`f()\n`);
await expect(xterm).toHaveText(/hello emscripten repl!/);

});

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