Setting the file. One moment.
Subchapter 28.3
references/request-mocking.mdMarkdown2 KBView on GitHub
# 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**/api/users - Exact path match
**/api/*/details - Wildcard in path
**/*.{png,jpg,jpeg} - Match file extensions
**/search?q=* - Match query parametersFor conditional responses, request body inspection, response modification, or delays:
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' }) });
}
});
}"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 });
});
}"playwright-cli run-code "async page => {
await page.route('**/api/offline', route => route.abort('internetdisconnected'));
}"
# Options: connectionrefused, timedout, connectionreset, internetdisconnectedplaywright-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' }) });
});
}"