83a6a6ea32
* chore: make aware eslint that we use jest By setting up the jest environment, we no longer need to declare the 'test' global in the configuration. * chore: don't need to import expect, it's a jest environment global * chore: don't need to import expect when creating undefined test
42 lines
1.2 KiB
JavaScript
42 lines
1.2 KiB
JavaScript
const {yesNo} = require('./_30s.js');
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test('yesNo is a Function', () => {
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expect(yesNo).toBeInstanceOf(Function);
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});
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test('yesNo(Y) returns true', () => {
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expect(yesNo('Y')).toBeTruthy();
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});
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test('yesNo(yes) returns true', () => {
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expect(yesNo('yes')).toBeTruthy();
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});
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test('yesNo(foo, true) returns true', () => {
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expect(yesNo('foo', true)).toBeTruthy();
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});
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test('yesNo(No) returns false', () => {
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expect(yesNo('No')).toBeFalsy();
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});
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test('yesNo() returns false', () => {
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expect(yesNo()).toBeFalsy();
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});
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test('yesNo(null) returns false', () => {
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expect(yesNo(null)).toBeFalsy();
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});
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test('yesNo(undefined) returns false', () => {
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expect(yesNo(undefined)).toBeFalsy();
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});
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test('yesNo([123, null]) returns false', () => {
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expect(yesNo([123, null])).toBeFalsy();
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});
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test('yesNo([Yes, No]) returns false', () => {
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expect(yesNo(['Yes', 'No'])).toBeFalsy();
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});
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test('yesNo({ 2: Yes }) returns false', () => {
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expect(yesNo({ 2: 'Yes' })).toBeFalsy();
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});
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test('yesNo([Yes, No], true) returns true', () => {
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expect(yesNo(['Yes', 'No'], true)).toBeTruthy();
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});
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test('yesNo({ 2: Yes }, true) returns true', () => {
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expect(yesNo({ 2: 'Yes' }, true)).toBeTruthy();
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});
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