// What the browser tests run of the page's script (#390). With IPX_COVERAGE=1, web/build.mjs
// builds the script unminified with a source map to web/src, every test's page records V8's
// coverage of it, and the teardown (coverage-teardown.ts) writes the report, file by file, to
// target/coverage/page. Without it, `test` is Playwright's own.
//
// The specs take `test` and `expect` from here, not from @playwright/test, so no test is left out.

import { test as base, expect } from '@playwright/test';
import { CoverageReport, type CoverageReportOptions } from 'monocart-coverage-reports';

export const coverageOptions: CoverageReportOptions = {
  name: 'iPX page',
  outputDir: 'target/coverage/page',
  reports: ['v8', 'lcovonly', 'console-summary', 'markdown-details'],
  // The pages' scripts; the service worker is a worker of its own, which a page's coverage does
  // not see.
  entryFilter: (e) => /\/(app|admin|login)\.js(\?|$)/.test(e.url),
  sourceFilter: (p) => p.startsWith('web/src/'),
};

export const test = base.extend<{ coverage: void }>({
  coverage: [
    async ({ page }, use) => {
      if (!process.env.IPX_COVERAGE) return use();
      // Kept across a reload or a sign-in, which several tests make.
      await page.coverage.startJSCoverage({ resetOnNavigation: false });
      await use();
      await new CoverageReport(coverageOptions).add(await page.coverage.stopJSCoverage());
    },
    { auto: true },
  ],
});

export { expect };