@wordpress/jest-console/build/index.js

Custom Jest matchers for the Console object.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
require("./matchers");
var _supportedMatchers = _interopRequireDefault(require("./supported-matchers"));
/**
 * Internal dependencies
 */

/**
 * Sets spy on the console object's method to make it possible to fail test when method called without assertion.
 *
 * @param args
 */
const setConsoleMethodSpy = args => {
  const [methodName, matcherName] = args;
  const spy = jest.spyOn(console, methodName).mockName(`console.${methodName}`);

  /**
   * Resets the spy to its initial state.
   */
  function resetSpy() {
    spy.mockReset();
    spy.assertionsNumber = 0;
  }

  /**
   * Verifies that the spy has only been called if expected.
   */
  function assertExpectedCalls() {
    if (spy.assertionsNumber === 0 && spy.mock.calls.length > 0) {
      expect(console).not[matcherName]();
    }
  }
  beforeAll(resetSpy);
  beforeEach(() => {
    assertExpectedCalls();
    resetSpy();
  });
  afterEach(assertExpectedCalls);
};
Object.entries(_supportedMatchers.default).forEach(setConsoleMethodSpy);
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