static registerTest()

in x-test.js [480:542]
63 lines of code
16 McCabe index (conditional complexity)

  static registerTest(context, data) {
    if (!context.state.ended) {
      const testId = data.testId;
      // New "test" (to be opened in its own iframe). Queue it up.
      const initiatorTestId = data.initiatorTestId;
      const siblingTestEndIndex = context.state.stepIds.findLastIndex(candidateId => {
        const candidate = context.state.steps[candidateId];
        if (candidate.type === 'test-end' && context.state.tests[candidate.testId].initiatorTestId === initiatorTestId) {
          return true;
        }
      });
      const parentTestEndIndex = context.state.stepIds.findLastIndex(candidateId => {
        const candidate = context.state.steps[candidateId];
        if (candidate.type === 'test-end' && context.state.tests[candidate.testId].testId === initiatorTestId) {
          return true;
        }
      });
      const coverageIndex = context.state.stepIds.findIndex(candidateId => {
        const candidate = context.state.steps[candidateId];
        if (candidate.type === 'coverage') {
          return true;
        }
      });
      const exitIndex = context.state.stepIds.findLastIndex(candidateId => {
        const candidate = context.state.steps[candidateId];
        if (candidate.type === 'exit') {
          return true;
        }
      });
      const index = siblingTestEndIndex === -1
        ? parentTestEndIndex === -1
          ? coverageIndex === -1
            ? exitIndex
            : coverageIndex
          : parentTestEndIndex + 1
        : siblingTestEndIndex + 1;
      const lastSiblingChildrenIndex = context.state.children.findLastIndex(candidate => {
        return candidate.type === 'test' && context.state.tests[candidate.testId].initiatorTestId === initiatorTestId;
      });
      const parentTestChildrenIndex = context.state.children.findLastIndex(candidate => {
        return candidate.type === 'test' && context.state.tests[candidate.testId].testId === initiatorTestId;
      });
      const firstCoverageChildrenIndex = context.state.children.findIndex(candidate => {
        return candidate.type === 'coverage';
      });
      const childrenIndex = lastSiblingChildrenIndex === -1
        ? parentTestChildrenIndex === -1
          ? firstCoverageChildrenIndex === -1
            ? context.state.children.length
            : firstCoverageChildrenIndex
          : parentTestChildrenIndex + 1
        : lastSiblingChildrenIndex + 1;
      const testStartStepId = context.uuid();
      const testPlanStepId = context.uuid();
      const testEndStepId = context.uuid();
      context.state.stepIds.splice(index, 0, testStartStepId, testPlanStepId, testEndStepId);
      context.state.steps[testStartStepId] = { stepId: testStartStepId, type: 'test-start', testId, status: 'waiting' };
      context.state.steps[testPlanStepId] = { stepId: testPlanStepId, type: 'test-plan', testId, status: 'waiting' };
      context.state.steps[testEndStepId] = { stepId: testEndStepId, type: 'test-end', testId, status: 'waiting' };
      context.state.tests[testId] = { ...data, children: [] };
      context.state.children.splice(childrenIndex, 0, { type: 'test', testId });
    }
  }