angular-cn/packages/compiler-cli/test/compliance/test_helpers/check_errors.ts

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import {inspect} from 'util';
import {ExpectedError} from './get_compliance_tests';

export function checkErrors(
    testPath: string, failureMessage: string, expectedErrors: ExpectedError[],
    actualErrors: string[]): void {
  for (const expectedError of expectedErrors) {
    if (!actualErrors.some(
            actualError => expectedError.message.test(actualError) &&
                expectedError.location.test(actualError))) {
      throw new Error(
          `When checking expected errors for test case at "${testPath}"\n` + failureMessage + '\n' +
          `Expected errors: ${inspect(expectedErrors)}\n` +
          `Actual errors: ${inspect(actualErrors)}.`);
    }
  }
}

export function checkNoUnexpectedErrors(testPath: string, actualErrors: string[]): void {
  if (actualErrors.length > 0) {
    throw new Error(
        `Unexpected errors occurred for test case at "${testPath}"\n` +
        `Errors: ${inspect(actualErrors)}.`);
  }
}