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