Function createTestTree

lib/internal/test_runner/harness.js:44–116

(rootTestOptions, globalOptions)

testResources.set(reporterScope.asyncId(), reporterScope);

function createTestTree(rootTestOptions, globalOptions) {
  const buildPhaseDeferred = PromiseWithResolvers();
  const isFilteringByName = globalOptions.testNamePatterns ||
    globalOptions.testSkipPatterns;
  const isFilteringByOnly = (globalOptions.isolation === 'process' || process.env.NODE_TEST_CONTEXT) ?
    globalOptions.only : true;
  const isFilteringByTags = globalOptions.testTagFilters != null;
  const harness = {
    __proto__: null,
    buildPromise: buildPhaseDeferred.promise,
    buildSuites: [],
    isWaitingForBuildPhase: false,
    watching: false,
    config: globalOptions,
    coverage: null,
    resetCounters() {
      harness.counters = {
        __proto__: null,
        tests: 0,
        failed: 0,
        passed: 0,
        cancelled: 0,
        skipped: 0,
        todo: 0,
        topLevel: 0,
        suites: 0,
      };
    },
    success: true,
    counters: null,
    shouldColorizeTestFiles: shouldColorizeTestFiles(globalOptions.destinations),
    teardown: null,
    snapshotManager: null,
    previousRuns: null,
    isFilteringByName,
    isFilteringByOnly,
    isFilteringByTags,
    async runBootstrap() {
      if (globalSetupExecuted) {
        return PromiseResolve();
      }
      globalSetupExecuted = true;
      const globalSetupFunctions = await setupGlobalSetupTeardownFunctions(
        globalOptions.globalSetupPath,
        globalOptions.cwd,
      );
      harness.globalTeardownFunction = globalSetupFunctions.globalTeardownFunction;
      if (typeof globalSetupFunctions.globalSetupFunction === 'function') {
        return globalSetupFunctions.globalSetupFunction();
      }
      return PromiseResolve();
    },
    async waitForBuildPhase() {
      if (harness.buildSuites.length > 0) {
        await SafePromiseAllReturnVoid(harness.buildSuites);
      }

      buildPhaseDeferred.resolve();