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Use resetAllMocks and toHaveBeenCalledTimes

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This commit is contained in:
Joel Low
2020-10-07 14:59:09 +08:00
parent 0bc45e0d3a
commit 7471a46d27
1 changed files with 6 additions and 4 deletions
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packages/backend-common/src/database/SingleConnection.test.ts
+6 -4
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@@ -47,6 +47,8 @@ describe('SingleConnectionDatabaseManager', () => {
// This is similar to the ts-jest `mocked` helper.
const mocked = (f: Function) => f as jest.Mock;
afterEach(() => jest.resetAllMocks());
describe('SingleConnectionDatabaseManager.fromConfig', () => {
it('accesses the backend.database key', () => {
const getConfig = jest.fn();
@@ -66,9 +68,9 @@ describe('SingleConnectionDatabaseManager', () => {
const pluginId = 'test1';
await manager.forPlugin(pluginId).getClient();
expect(mocked(createDatabaseClient).mock.calls).toHaveLength(1);
const mockCalls = mocked(createDatabaseClient).mock.calls.splice(-1);
expect(mocked(createDatabaseClient)).toHaveBeenCalledTimes(1);
const mockCalls = mocked(createDatabaseClient).mock.calls.splice(-1);
const callArgs = mockCalls[0];
expect(callArgs[0].get()).toEqual(defaultConfigOptions.backend.database);
expect(callArgs[1].connection.database).toEqual(
@@ -82,9 +84,9 @@ describe('SingleConnectionDatabaseManager', () => {
await manager.forPlugin(plugin1Id).getClient();
await manager.forPlugin(plugin2Id).getClient();
expect(mocked(createDatabaseClient).mock.calls).toHaveLength(2);
const mockCalls = mocked(createDatabaseClient).mock.calls.splice(-2);
expect(mocked(createDatabaseClient)).toHaveBeenCalledTimes(2);
const mockCalls = mocked(createDatabaseClient).mock.calls;
const plugin1CallArgs = mockCalls[0];
const plugin2CallArgs = mockCalls[1];
expect(plugin1CallArgs[1].connection.database).not.toEqual(