Fix.

node_modules/expect/build/extractExpectedAssertionsErrors.js

@@ -0,0 +1,91 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+exports.default = void 0;
+
+var _jestMatcherUtils = require('jest-matcher-utils');
+
+var _jestMatchersObject = require('./jestMatchersObject');
+
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ */
+const resetAssertionsLocalState = () => {
+  (0, _jestMatchersObject.setState)({
+    assertionCalls: 0,
+    expectedAssertionsNumber: null,
+    isExpectingAssertions: false
+  });
+}; // Create and format all errors related to the mismatched number of `expect`
+// calls and reset the matcher's state.
+
+const extractExpectedAssertionsErrors = () => {
+  const result = [];
+
+  const _getState = (0, _jestMatchersObject.getState)(),
+    assertionCalls = _getState.assertionCalls,
+    expectedAssertionsNumber = _getState.expectedAssertionsNumber,
+    expectedAssertionsNumberError = _getState.expectedAssertionsNumberError,
+    isExpectingAssertions = _getState.isExpectingAssertions,
+    isExpectingAssertionsError = _getState.isExpectingAssertionsError;
+
+  resetAssertionsLocalState();
+
+  if (
+    typeof expectedAssertionsNumber === 'number' &&
+    assertionCalls !== expectedAssertionsNumber
+  ) {
+    const numOfAssertionsExpected = (0, _jestMatcherUtils.EXPECTED_COLOR)(
+      (0, _jestMatcherUtils.pluralize)('assertion', expectedAssertionsNumber)
+    );
+    expectedAssertionsNumberError.message =
+      (0, _jestMatcherUtils.matcherHint)(
+        '.assertions',
+        '',
+        String(expectedAssertionsNumber),
+        {
+          isDirectExpectCall: true
+        }
+      ) +
+      '\n\n' +
+      `Expected ${numOfAssertionsExpected} to be called but received ` +
+      (0, _jestMatcherUtils.RECEIVED_COLOR)(
+        (0, _jestMatcherUtils.pluralize)('assertion call', assertionCalls || 0)
+      ) +
+      '.';
+    result.push({
+      actual: assertionCalls,
+      error: expectedAssertionsNumberError,
+      expected: expectedAssertionsNumber
+    });
+  }
+
+  if (isExpectingAssertions && assertionCalls === 0) {
+    const expected = (0, _jestMatcherUtils.EXPECTED_COLOR)(
+      'at least one assertion'
+    );
+    const received = (0, _jestMatcherUtils.RECEIVED_COLOR)('received none');
+    isExpectingAssertionsError.message =
+      (0, _jestMatcherUtils.matcherHint)('.hasAssertions', '', '', {
+        isDirectExpectCall: true
+      }) +
+      '\n\n' +
+      `Expected ${expected} to be called but ${received}.`;
+    result.push({
+      actual: 'none',
+      error: isExpectingAssertionsError,
+      expected: 'at least one'
+    });
+  }
+
+  return result;
+};
+
+var _default = extractExpectedAssertionsErrors;
+exports.default = _default;