47 lines
1.4 KiB
JavaScript
47 lines
1.4 KiB
JavaScript
const { CONTENTS, setDatabaseContents } = TestHelpers.database;
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describe('database()', () => {
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before(() => setDatabaseContents());
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describe('ref().once()', () => {
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it('returns a promise', () => {
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const ref = firebase.database().ref('tests/types/number');
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const returnValue = ref.once('value');
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returnValue.should.be.Promise();
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});
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it('resolves with the correct value', async () => {
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await Promise.all(
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Object.keys(CONTENTS.DEFAULT).map(dataRef => {
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const dataTypeValue = CONTENTS.DEFAULT[dataRef];
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const ref = firebase.database().ref(`tests/types/${dataRef}`);
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return ref.once('value').then(snapshot => {
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snapshot.val().should.eql(bridge.contextify(dataTypeValue));
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});
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})
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);
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});
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it('is NOT called when the value is changed', async () => {
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const callback = sinon.spy();
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const ref = firebase.database().ref('tests/types/number');
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ref.once('value').then(callback);
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await ref.set(CONTENTS.NEW.number);
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callback.should.be.calledOnce();
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});
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it('errors if permission denied', async () => {
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const reference = firebase.database().ref('nope');
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try {
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await reference.once('value');
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} catch (error) {
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error.code.includes('database/permission-denied').should.be.true();
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return true;
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}
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throw new Error('No permission denied error');
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});
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});
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});
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