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
29 lines
870 B
JavaScript
29 lines
870 B
JavaScript
const {pluralize} = require('./_30s.js');
|
|
|
|
test('pluralize is a Function', () => {
|
|
expect(pluralize).toBeInstanceOf(Function);
|
|
});
|
|
test('Produces the plural of the word', () => {
|
|
expect(pluralize(0, 'apple')).toBe('apples');
|
|
});
|
|
test('Produces the singular of the word', () => {
|
|
expect(pluralize(1, 'apple')).toBe('apple');
|
|
});
|
|
test('Produces the plural of the word', () => {
|
|
expect(pluralize(2, 'apple')).toBe('apples');
|
|
});
|
|
test('Produces the defined plural of the word', () => {
|
|
expect(pluralize(2, 'person', 'people')).toBe('people');
|
|
});
|
|
test('Produces the defined plural of the word', () => {
|
|
expect(pluralize(1, 'person', 'people')).toBe('person');
|
|
});
|
|
const PLURALS = {
|
|
person: 'people',
|
|
radius: 'radii'
|
|
};
|
|
const autoPluralize = pluralize(PLURALS);
|
|
test('Works with a dictionary', () => {
|
|
expect(autoPluralize(2, 'person')).toBe('people');
|
|
});
|