118 lines
2.6 KiB
JavaScript
118 lines
2.6 KiB
JavaScript
/**
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* Internal dependencies
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*/
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import { groupListOfObjectsBy, setAllPropsToValue } from '../index.js';
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describe( 'groupListOfObjectsBy', () => {
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const objectList = [
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{
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id: '1',
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name: 'Object name 1',
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type: 'type1',
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},
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{
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id: '2',
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name: 'Object name 2',
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type: 'type1',
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},
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{
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id: '3',
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name: 'Object name 3',
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type: 'type1',
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},
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{
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id: '4',
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name: 'Object name 4',
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type: 'type2',
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},
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];
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it( 'handles different params', () => {
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// Using these params should return an empty object.
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const emptyObject = groupListOfObjectsBy();
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const otherEmptyObject = groupListOfObjectsBy( [] );
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const anotherEmptyObject = groupListOfObjectsBy( 'not an array' );
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expect( emptyObject ).toMatchObject( {} );
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expect( otherEmptyObject ).toMatchObject( {} );
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expect( anotherEmptyObject ).toMatchObject( {} );
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// Not sending a key to use for grouping the elements will return the sent list
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const ungroupedList = groupListOfObjectsBy( objectList );
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expect( ungroupedList.length ).toBe( 4 );
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} );
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it( 'groups objects by type', () => {
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const { type1, type2 } = groupListOfObjectsBy( objectList, 'type' );
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expect( type1.length ).toBe( 3 );
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expect( type2.length ).toBe( 1 );
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} );
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it( 'groups objects without type', () => {
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const objectWithoutType = {
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id: '5',
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name: 'Object name 5',
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};
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objectList.push( objectWithoutType );
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const { type1, type2 } = groupListOfObjectsBy(
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objectList,
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'type',
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'type2'
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);
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expect( type1.length ).toBe( 3 );
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expect( type2.length ).toBe( 2 );
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} );
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it( 'groups objects with a new type', () => {
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const objectWithNewType = {
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id: '6',
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name: 'Object name 4',
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type: 'type3',
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};
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objectList.push( objectWithNewType );
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const { type1, type2, type3 } = groupListOfObjectsBy(
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objectList,
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'type',
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'type2'
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);
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expect( type1.length ).toBe( 3 );
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expect( type2.length ).toBe( 2 );
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expect( type3.length ).toBe( 1 );
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} );
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} );
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describe( 'setAllPropsToValue', () => {
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it( 'sets all the shallow props of the returned object to the passed value', () => {
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const targetObject = {
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one: 1,
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two: 'two',
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three: false,
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four: { five: 'six' },
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};
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expect( setAllPropsToValue( targetObject, 'hello' ) ).toEqual( {
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one: 'hello',
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two: 'hello',
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three: 'hello',
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four: 'hello',
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} );
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} );
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it( 'does not mutate the passed in object', () => {
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const targetObject = {
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one: 1,
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two: 'two',
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three: false,
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four: { five: 'six' },
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};
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setAllPropsToValue( targetObject, 'hello' );
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expect( targetObject ).toEqual( {
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one: 1,
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two: 'two',
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three: false,
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four: { five: 'six' },
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} );
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} );
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} );
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