47 lines
1.4 KiB
TypeScript
47 lines
1.4 KiB
TypeScript
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// Copyright 2021 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import { assert } from 'chai';
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import { areObjectEntriesEqual } from '../../util/areObjectEntriesEqual';
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describe('areObjectEntriesEqual', () => {
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type TestObject = { foo?: number; bar?: number };
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const empty: TestObject = {};
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const foo: TestObject = { foo: 1 };
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const bar: TestObject = { bar: 2 };
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const undefinedEntries: TestObject = { foo: undefined, bar: undefined };
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it('returns true for an empty list of keys', () => {
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assert.isTrue(areObjectEntriesEqual({}, {}, []));
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assert.isTrue(areObjectEntriesEqual(foo, foo, []));
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assert.isTrue(areObjectEntriesEqual(foo, bar, []));
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});
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it('returns true for empty objects', () => {
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assert.isTrue(areObjectEntriesEqual(empty, empty, ['foo']));
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});
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it('considers missing keys equal to undefined keys', () => {
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assert.isTrue(
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areObjectEntriesEqual(empty, undefinedEntries, ['foo', 'bar'])
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);
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});
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it('ignores unspecified properties', () => {
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assert.isTrue(areObjectEntriesEqual({ x: 1, y: 2 }, { x: 1, y: 3 }, ['x']));
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});
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it('returns false for different objects', () => {
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assert.isFalse(areObjectEntriesEqual({ x: 1 }, { x: 2 }, ['x']));
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assert.isFalse(
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areObjectEntriesEqual({ x: 1, y: 2 }, { x: 1, y: 3 }, ['x', 'y'])
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);
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});
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it('only performs a shallow check', () => {
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assert.isFalse(areObjectEntriesEqual({ x: [1, 2] }, { x: [1, 2] }, ['x']));
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});
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});
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