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30 lines
893 B
Markdown
30 lines
893 B
Markdown
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---
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id: extensions
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title: "Testing extensions"
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---
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:::note
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Extensions only work in Chrome / Chromium in non-headless mode.
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:::
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The following is code for getting a handle to the [background page](https://developer.chrome.com/extensions/background_pages) of an extension whose source is located in `./my-extension`:
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```js
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const { chromium } = require('playwright');
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(async () => {
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const pathToExtension = require('path').join(__dirname, 'my-extension');
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const userDataDir = '/tmp/test-user-data-dir';
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const browserContext = await chromium.launchPersistentContext(userDataDir,{
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headless: false,
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args: [
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`--disable-extensions-except=${pathToExtension}`,
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`--load-extension=${pathToExtension}`
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]
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});
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const backgroundPage = browserContext.backgroundPages()[0];
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// Test the background page as you would any other page.
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await browserContext.close();
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})();
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```
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