43 lines
1.7 KiB
JavaScript
43 lines
1.7 KiB
JavaScript
const factory = require('./hasValues');
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describe('hasValues filter', () => {
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let filter;
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beforeEach(function() { filter = factory(); });
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it('should be called "hasValues"', function() { expect(filter.name).toEqual('hasValues'); });
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it('should return true if the specified property path is truthy on any item in the list', function() {
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expect(filter.process([{a: 1}], 'a')).toEqual(true);
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expect(filter.process([{a: 1, b: 2}], 'a')).toEqual(true);
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expect(filter.process([{b: 2}, {a: 1}], 'a')).toEqual(true);
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expect(filter.process([{a:{b:1}}], 'a.b')).toEqual(true);
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expect(filter.process([{a:{b:1}, b: 2}], 'a.b')).toEqual(true);
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expect(filter.process([{b: 2}, {a:{b:1}}], 'a.b')).toEqual(true);
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});
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it('should return false if the value is not an object', () => {
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expect(filter.process([], 'a')).toEqual(false);
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expect(filter.process(0, 'a')).toEqual(false);
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expect(filter.process([], 'a.b')).toEqual(false);
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expect(filter.process(0, 'a.b')).toEqual(false);
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});
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it('should return false if the property exists but is falsy', () => {
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expect(filter.process([{a: false}], 'a')).toEqual(false);
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expect(filter.process([{a: ''}], 'a')).toEqual(false);
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expect(filter.process([{a: 0}], 'a')).toEqual(false);
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expect(filter.process([{a: null}], 'a')).toEqual(false);
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expect(filter.process([{a: undefined}], 'a')).toEqual(false);
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});
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it('should return false if any of the properties in the path do not exist', () => {
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expect(filter.process({}, 'a')).toEqual(false);
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expect(filter.process({}, 'a.b')).toEqual(false);
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expect(filter.process([{b: 2}], 'a')).toEqual(false);
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expect(filter.process([{a: 2}], 'a.b')).toEqual(false);
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expect(filter.process([{a: {}}], 'a.b.c')).toEqual(false);
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});
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}); |