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
45 lines
1.1 KiB
JavaScript
45 lines
1.1 KiB
JavaScript
const {words} = require('./_30s.js');
|
|
|
|
test('words is a Function', () => {
|
|
expect(words).toBeInstanceOf(Function);
|
|
});
|
|
test("words('I love javaScript!!') returns [I, love, javaScript]", () => {
|
|
expect(words('I love javaScript!!')).toEqual(['I', 'love', 'javaScript']);
|
|
});
|
|
test("words('python, javaScript & coffee') returns [python, javaScript, coffee]", () => {
|
|
expect(words('python, javaScript & coffee')).toEqual(['python', 'javaScript', 'coffee']);
|
|
});
|
|
test('words(I love javaScript!!) returns an array', () => {
|
|
expect(Array.isArray(words('I love javaScript!!'))).toBeTruthy();
|
|
});
|
|
test('words() throws an error', () => {
|
|
expect(() => {
|
|
words();
|
|
}).toThrow();
|
|
});
|
|
test('words(null) throws an error', () => {
|
|
expect(() => {
|
|
words(null);
|
|
}).toThrow();
|
|
});
|
|
test('words(undefined) throws an error', () => {
|
|
expect(() => {
|
|
words(undefined);
|
|
}).toThrow();
|
|
});
|
|
test('words({}) throws an error', () => {
|
|
expect(() => {
|
|
words({});
|
|
}).toThrow();
|
|
});
|
|
test('words([]) throws an error', () => {
|
|
expect(() => {
|
|
words([]);
|
|
}).toThrow();
|
|
});
|
|
test('words(1234) throws an error', () => {
|
|
expect(() => {
|
|
words(1234);
|
|
}).toThrow();
|
|
});
|