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registry.test.ts
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registry.test.ts
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/**
* Copyright 2022 Google LLC. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { initialize, Marker } from ".";
import { MVCObject, Map } from ".";
import { mockInstances, MOCKS_REGISTRY } from "./registry";
beforeEach(() => {
initialize();
});
test("mocks registry", () => {
expect(MOCKS_REGISTRY.size).toBe(0);
const mvc1 = new google.maps.MVCObject();
const mvc2 = new google.maps.MVCObject();
expect(MOCKS_REGISTRY.size).toBe(1);
expect(mockInstances.get(MVCObject)).toStrictEqual([mvc1, mvc2]);
const map = new google.maps.Map(null);
mockInstances.clear(MVCObject);
expect(mockInstances.get(MVCObject)).toStrictEqual([]);
expect(mockInstances.get(Map)).toStrictEqual([map]);
mockInstances.clearAll();
expect(MOCKS_REGISTRY.size).toBe(0);
});
test("readme example 1", () => {
const map = new google.maps.Map(null);
const markerOne = new google.maps.Marker();
const markerTwo = new google.maps.Marker();
map.setHeading(8);
markerOne.setMap(map);
markerTwo.setLabel("My marker");
const mapMocks = mockInstances.get(Map);
const markerMocks = mockInstances.get(Marker);
expect(mapMocks).toHaveLength(1);
expect(markerMocks).toHaveLength(2);
expect(mapMocks[0].setHeading).toHaveBeenCalledWith(8);
expect(markerMocks[0].setMap).toHaveBeenCalledTimes(1);
expect(markerMocks[1].setLabel).toHaveBeenCalledWith("My marker");
});