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5chan/.codex/skills/playwright-cli/references/request-mocking.md
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Tommaso CasaburiandGitHub a92b185a66 chore(ai-workflow): track repo-managed review tooling (#1046)
* chore(ai-workflow): track repo-managed review tooling

* fix(ai-workflow): remove repo-specific path assumptions

Make shared workflow hooks and APK testing guidance resolve paths from the repo and contributor environment so the tooling works for all contributors, not just one machine.
2026-03-10 15:49:15 +08:00

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# Request Mocking
Intercept, mock, modify, and block network requests.
## CLI Route Commands
```bash
# Mock with custom status
playwright-cli route "**/*.jpg" --status=404
# Mock with JSON body
playwright-cli route "**/api/users" --body='[{"id":1,"name":"Alice"}]' --content-type=application/json
# Mock with custom headers
playwright-cli route "**/api/data" --body='{"ok":true}' --header="X-Custom: value"
# Remove headers from requests
playwright-cli route "**/*" --remove-header=cookie,authorization
# List active routes
playwright-cli route-list
# Remove a route or all routes
playwright-cli unroute "**/*.jpg"
playwright-cli unroute
```
## URL Patterns
```
**/api/users - Exact path match
**/api/*/details - Wildcard in path
**/*.{png,jpg,jpeg} - Match file extensions
**/search?q=* - Match query parameters
```
## Advanced Mocking with run-code
For conditional responses, request body inspection, response modification, or delays:
### Conditional Response Based on Request
```bash
playwright-cli run-code "async page => {
await page.route('**/api/login', route => {
const body = route.request().postDataJSON();
if (body.username === 'admin') {
route.fulfill({ body: JSON.stringify({ token: 'mock-token' }) });
} else {
route.fulfill({ status: 401, body: JSON.stringify({ error: 'Invalid' }) });
}
});
}"
```
### Modify Real Response
```bash
playwright-cli run-code "async page => {
await page.route('**/api/user', async route => {
const response = await route.fetch();
const json = await response.json();
json.isPremium = true;
await route.fulfill({ response, json });
});
}"
```
### Simulate Network Failures
```bash
playwright-cli run-code "async page => {
await page.route('**/api/offline', route => route.abort('internetdisconnected'));
}"
# Options: connectionrefused, timedout, connectionreset, internetdisconnected
```
### Delayed Response
```bash
playwright-cli run-code "async page => {
await page.route('**/api/slow', async route => {
await new Promise(r => setTimeout(r, 3000));
route.fulfill({ body: JSON.stringify({ data: 'loaded' }) });
});
}"
```