mirror of
https://github.com/zhigang1992/react-native-firebase.git
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31 lines
1.2 KiB
JavaScript
31 lines
1.2 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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describe('DatabaseQuery/DatabaseQueryModifiers', () => {
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it('should not mutate previous queries (#2691)', async () => {
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const queryBefore = firebase.database().ref();
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queryBefore._modifiers._modifiers.length.should.equal(0);
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const queryAfter = queryBefore.orderByChild('age');
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queryBefore._modifiers._modifiers.length.should.equal(0);
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queryAfter._modifiers._modifiers.length.should.equal(1);
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const queryAfterAfter = queryAfter.equalTo(30);
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queryAfter._modifiers._modifiers.length.should.equal(1);
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queryAfterAfter._modifiers._modifiers.length.should.equal(3); // adds startAt endAt internally
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});
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});
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