mirror of
https://github.com/zhigang1992/react-native-firebase.git
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fe959bb842
* [database] recreate database branch based off of #2185 * [database] cleanup linting issues * [database] enable tests * [database] add to tests deps
63 lines
1.8 KiB
JavaScript
63 lines
1.8 KiB
JavaScript
/*
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* Copyright (c) 2016-present Invertase Limited & Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this library except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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describe(`database().ref('.info/connected')`, () => {
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after(() => firebase.database().goOnline());
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it('returns false when used with once', async () => {
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const snapshot = await firebase
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.database()
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.ref('.info/connected')
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.once('value');
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snapshot.val().should.equal(false);
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});
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it('returns true when used with once with a previous call', async () => {
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await firebase
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.database()
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.ref('tests')
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.once('value');
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const snapshot = await firebase
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.database()
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.ref('.info/connected')
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.once('value');
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snapshot.val().should.equal(true);
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});
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it('subscribes to online state', async () => {
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const callback = sinon.spy();
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await firebase.database().goOffline();
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const ref = firebase.database().ref('.info/connected');
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const handler = $ => {
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callback($.val());
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};
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ref.on('value', handler);
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await Utils.sleep(1000);
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await firebase.database().goOnline();
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await Utils.sleep(1000);
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ref.off('value', handler);
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callback.should.be.calledTwice();
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callback.getCall(0).args[0].should.equal(false);
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callback.getCall(1).args[0].should.equal(true);
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});
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});
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