Reactive-Resume/__mocks__/__tests__/gatsby-plugin-firebase/database.ref.update.test.js

87 lines
2.7 KiB
JavaScript

import { waitFor } from '@testing-library/react';
import FirebaseStub, { DatabaseConstants } from '../../gatsby-plugin-firebase';
test('can spy on it', async () => {
FirebaseStub.database().initializeData();
const referencePath = `${DatabaseConstants.resumesPath}/123456`;
const functionSpy = jest.spyOn(
FirebaseStub.database().ref(referencePath),
'update',
);
const updateArgument = 'test value 123';
await FirebaseStub.database().ref(referencePath).update(updateArgument);
expect(functionSpy).toHaveBeenCalledTimes(1);
const functionCallArgument = functionSpy.mock.calls[0][0];
expect(functionCallArgument).toBeTruthy();
expect(functionCallArgument).toEqual(updateArgument);
});
test('updates data', async () => {
FirebaseStub.database().initializeData();
const resumeId = DatabaseConstants.demoStateResume1Id;
const existingResume = (
await FirebaseStub.database()
.ref(`${DatabaseConstants.resumesPath}/${resumeId}`)
.once('value')
).val();
expect(existingResume).toBeTruthy();
const resumeName = 'Test Resume renamed';
existingResume.name = resumeName;
await FirebaseStub.database()
.ref(`${DatabaseConstants.resumesPath}/${resumeId}`)
.update(existingResume);
const actualResume = (
await FirebaseStub.database()
.ref(`${DatabaseConstants.resumesPath}/${resumeId}`)
.once('value')
).val();
expect(actualResume).toBeTruthy();
expect(existingResume).toEqual(actualResume);
expect(actualResume.name).toEqual(resumeName);
});
test('triggers events', async () => {
FirebaseStub.database().initializeData();
let snapshotValue = null;
const callback = jest.fn((snapshot) => {
snapshotValue = snapshot.val();
});
FirebaseStub.database()
.ref(DatabaseConstants.resumesPath)
.orderByChild('user')
.equalTo(DatabaseConstants.user1.uid)
.on('value', callback);
await waitFor(() => callback.mock.calls[0][0]);
callback.mockClear();
snapshotValue = null;
const existingResume = (
await FirebaseStub.database()
.ref(
`${DatabaseConstants.resumesPath}/${DatabaseConstants.demoStateResume1Id}`,
)
.once('value')
).val();
expect(existingResume).toBeTruthy();
existingResume.name = 'Test Resume renamed';
await FirebaseStub.database()
.ref(`${DatabaseConstants.resumesPath}/${existingResume.id}`)
.update(existingResume);
await waitFor(() => callback.mock.calls[0][0]);
expect(callback.mock.calls).toHaveLength(1);
expect(snapshotValue).not.toBeNull();
expect(Object.keys(snapshotValue)).toHaveLength(2);
expect(snapshotValue[existingResume.id]).toBeTruthy();
expect(snapshotValue[existingResume.id]).toEqual(existingResume);
});