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feat(storage): allow passing storage state for isolated contexts (#409)

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Fixes https://github.com/microsoft/playwright-mcp/issues/403
Ref https://github.com/microsoft/playwright-mcp/issues/367
This commit is contained in:
Pavel Feldman
2025-05-13 13:14:04 -07:00
committed by GitHub
parent 949f956378
commit ce72367208
6 changed files with 87 additions and 20 deletions
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38
tests/launch.spec.ts
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@@ -14,6 +14,8 @@
* limitations under the License.
*/
import fs from 'fs';
import { test, expect } from './fixtures.js';
test('test reopen browser', async ({ client, server }) => {
@@ -73,7 +75,7 @@ test('persistent context', async ({ startClient, server }) => {
expect(response2).toContainTextContent(`Storage: YES`);
});
test('ephemeral context', async ({ startClient, server }) => {
test('isolated context', async ({ startClient, server }) => {
server.setContent('/', `
<body>
</body>
@@ -83,7 +85,7 @@ test('ephemeral context', async ({ startClient, server }) => {
</script>
`, 'text/html');
const client = await startClient({ args: [`--ephemeral`] });
const client = await startClient({ args: [`--isolated`] });
const response = await client.callTool({
name: 'browser_navigate',
arguments: { url: server.PREFIX },
@@ -94,10 +96,40 @@ test('ephemeral context', async ({ startClient, server }) => {
name: 'browser_close',
});
const client2 = await startClient({ args: [`--ephemeral`] });
const client2 = await startClient({ args: [`--isolated`] });
const response2 = await client2.callTool({
name: 'browser_navigate',
arguments: { url: server.PREFIX },
});
expect(response2).toContainTextContent(`Storage: NO`);
});
test('isolated context with storage state', async ({ startClient, server, localOutputPath }) => {
const storageStatePath = localOutputPath('storage-state.json');
await fs.promises.writeFile(storageStatePath, JSON.stringify({
origins: [
{
origin: server.PREFIX,
localStorage: [{ name: 'test', value: 'session-value' }],
},
],
}));
server.setContent('/', `
<body>
</body>
<script>
document.body.textContent = 'Storage: ' + localStorage.getItem('test');
</script>
`, 'text/html');
const client = await startClient({ args: [
`--isolated`,
`--storage-state=${storageStatePath}`,
] });
const response = await client.callTool({
name: 'browser_navigate',
arguments: { url: server.PREFIX },
});
expect(response).toContainTextContent(`Storage: session-value`);
});