56 lines
1.6 KiB
JavaScript
56 lines
1.6 KiB
JavaScript
import getNumber from './getNumber';
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describe('getNumber', () => {
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it('should return a default value if element is null or undefined', () => {
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const defaultValue = 1.0;
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const nullElement = null;
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const undefinedElement = undefined;
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expect(getNumber(nullElement, defaultValue)).toEqual(defaultValue);
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expect(getNumber(undefinedElement, defaultValue)).toEqual(defaultValue);
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});
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it('should return a default value if element.Value is null, undefined or not present', () => {
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const defaultValue = 1.0;
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const nullElement = {
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id: 0,
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Value: null,
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};
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const undefinedElement = {
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id: 0,
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Value: undefined,
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};
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const noValuePresentElement = {
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id: 0,
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};
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expect(getNumber(nullElement, defaultValue)).toEqual(defaultValue);
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expect(getNumber(undefinedElement, defaultValue)).toEqual(defaultValue);
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expect(getNumber(noValuePresentElement, defaultValue)).toEqual(defaultValue);
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});
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it('should return 2.0 for element when element.Value[0] = 2', () => {
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const returnValue = 2.0;
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const element = {
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Value: ['2'],
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};
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expect(getNumber(element, null)).toEqual(returnValue);
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});
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it('should return -1.0 for element when element.Value[0] is -1', () => {
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const returnValue = -1.0;
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const element = {
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Value: ['-1'],
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};
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expect(getNumber(element, null)).toEqual(returnValue);
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});
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it('should return -1.0 for element when element.Value is [-1, 2, 5, -10] ', () => {
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const returnValue = -1.0;
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const element = {
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Value: ['-1', '2', '5', '-10'],
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};
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expect(getNumber(element, null)).toEqual(returnValue);
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});
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});
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