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20 lines
793 B
JavaScript
20 lines
793 B
JavaScript
import expect from 'expect';
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import replaceArrayItem from 'utilities/replace_array_item';
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describe('replaceArrayItem - utility', () => {
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it('substitutes the item in the array with its replacement', () => {
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const groob = { id: 23, name: 'Groob' };
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const jason = { id: 78, name: 'Jason' };
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const john = { id: 78, name: 'John' };
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const zach = { id: 78, name: 'Zach' };
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const mike = { id: 78, name: 'Mike' };
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const arr1 = [101, 102, 2, 104];
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const arr2 = [groob, jason, john];
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expect(replaceArrayItem(arr1, 2, 'hi')).toEqual([101, 102, 'hi', 104]);
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expect(replaceArrayItem(arr1, 103, 'hi')).toEqual(arr1);
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expect(replaceArrayItem(arr2, jason, zach)).toEqual([groob, zach, john]);
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expect(replaceArrayItem(arr2, mike, zach)).toEqual(arr2);
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});
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});
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