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Pallavi-5-testing-components #21

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75b08ca
ex. classy-header
pallavisarwar May 13, 2024
8e2b265
ex. linked-header
pallavisarwar May 13, 2024
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1 change: 1 addition & 0 deletions 5-testing-components/examples/1-link/link.js
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Expand Up @@ -9,6 +9,7 @@
* @returns {HTMLAnchorElement} a rendered anchor element
*/
export const link = (text, url, target = '_blank') => {
// <a href="https://www.google.com/">TEST Google</a>
const aEl = document.createElement('a');
aEl.href = url;
aEl.target = target;
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9 changes: 5 additions & 4 deletions 5-testing-components/examples/1-link/link.test.html
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Expand Up @@ -6,18 +6,19 @@
</head>

<body>
<a href="https://www.google.com/" target="_blank">TEST Google</a>
<script type="module">
import { showComponentTestCase } from '/lib/show-component-test-case.js';

import { link } from './link.js';

showComponentTestCase(
'open google in a new tab (default target)',
link,
'google it',
'open google in a new tab (default target)', // text
link, // component also called function
'google it', // arguments test for the components
'https://www.google.com/',
);

showComponentTestCase(
'open a pre-defined search in a new tab',
link,
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35 changes: 19 additions & 16 deletions 5-testing-components/exercises-write-tests/classy-header/classy-header.spec.js
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Expand Up @@ -8,50 +8,53 @@ describe('classyHeader: renders DOM headers of different levels and classes', ()
describe('an H3 with text: "hello", and no classes', () => {
const actual = classyHeader(3, 'hello');
it('has tagName "H3"', () => {
_;
expect(actual.tagName).toEqual('H3');
});
it('has innerHTML: "hello"', () => {
_;
expect(actual.innerHTML).toEqual('hello');
});
it('has classList length 0', () => {
_;
expect(actual.classList.length).toEqual(0);
});
it('has className: ""', () => {
_;
expect(actual.className).toEqual('');
});
it('has childElementCount: 0', () => {
_;
expect(actual.childElementCount).toEqual(0);
});
});

describe('an H1 with text: "good bye", and two classes', () => {
const actual = classyHeader(_, _, _);
const actual = classyHeader(1, 'good bye', ['fancy', 'hover-right']);
it('has tagName "H1"', () => {
_;
expect(actual.tagName).toEqual('H1');
});
it('has innerHTML: "good bye"', () => {
_;
expect(actual.innerHTML).toEqual('good bye');
});
it('has classList length 2', () => {
_;
expect(actual.classList.length).toEqual(2);
});
it('have class: "fancy"', () => {
_;
it('has class: "fancy"', () => {
expect(actual.classList.contains('fancy')).toEqual(true);
});
it('have class: "hover-right"', () => {
_;
it('has class: "hover-right"', () => {
expect(actual.classList.contains('hover-right')).toEqual(true);
});
it('has childElementCount: 0', () => {
_;
expect(actual.childElementCount).toEqual(0);
});
});

describe('does not allow invalid header levels', () => {
it('throws an error if level is less than 1', () => {
const shouldThrow = () => classyHeader(0, 'oops!');
expect(shouldThrow).toThrowError(RangeError);
expect(shouldThrow).toThrow(RangeError);
});
it('throws an error if level is greater than 6', () => {
const shouldThrow = () => classyHeader(7, 'oops!');
expect(shouldThrow).toThrowError(RangeError);
expect(shouldThrow).toThrow(RangeError);
});
});
});

16 changes: 11 additions & 5 deletions 5-testing-components/exercises-write-tests/classy-header/classy-header.test.html
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Expand Up @@ -13,13 +13,19 @@

import { classyHeader } from './classy-header.js';

showComponentTestCase('an H3 with text: "hello", and no classes');
showComponentTestCase('an H3 with text: "hello", and no classes', classyHeader, 3, 'hello');

showComponentTestCase('an H1 with text: "good bye", and two classes');
showComponentTestCase('an H1 with text: "good bye", and two classes', classyHeader, 1, 'good bye' ,['class1', 'class2']);

showComponentTestCase('does not allow headers greater than 6');

showComponentTestCase('does not allow headers less than 1');
showComponentTestCase('does not allow headers greater than 6', () => {
// This test case should throw an error, so no need to pass arguments
classyHeader(7, 'test');
});

showComponentTestCase('does not allow headers less than 1', () => {
// This test case should throw an error, so no need to pass arguments
classyHeader(0, 'test');
});
</script>
</body>
</html>
127 changes: 64 additions & 63 deletions 5-testing-components/exercises-write-tests/linked-header/linked-header.spec.js
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@@ -1,67 +1,68 @@
/**
/**
* @jest-environment jsdom
*/

import { linkedHeader } from './linked-header.js';
import { linkedHeader } from './linked-header.js';

describe('linkedHeader: renders an anchor inside a heading', () => {
describe('a header linked to google', () => {
const actual = linkedHeader(_, _);

it('has tagName: "H2"', () => {
expect(actual.tagName).toEqual('H2');
});
it('has childElementCount: 1', () => {
expect(actual.childElementCount).toEqual(1);
});

describe(`first child`, () => {
const actualChild = _._[_];
it('has tagName: "A"', () => {
expect(actualChild.tagName).toEqual('A');
});
it('has href: "https://www.google.com/"', () => {
expect(actualChild.href).toEqual('https://www.google.com/');
});
it('has target: "_blank" (default)', () => {
expect(actualChild.target).toEqual('_blank');
});
it('has innerHTML: "google it"', () => {
expect(actualChild.innerHTML).toEqual('google it');
});
it('has childElementCount: 0', () => {
expect(actualChild.childElementCount).toEqual(0);
});
});
});

describe('a header linked to badgers', () => {
const actual = linkedHeader(_, _, _);

it('has tagName: "H2"', () => {
_;
});
it('has childElementCount: 1', () => {
_;
});

describe(`first child`, () => {
const actualChild = actual.children[0];
it('has tagName: "A"', () => {
_;
});
it('has href: "hhttps://badgerbadgerbadger.com/"', () => {
_;
});
it('has target: "_self"', () => {
_;
});
it('has innerHTML: "badger x 3"', () => {
_;
});
it('has childElementCount: 0', () => {
_;
});
});
});
});
describe('linkedHeader: renders an anchor inside a heading', () => {
describe('a header linked to google', () => {
const actual = linkedHeader('google it', 'https://www.google.com/');

it('has tagName: "H2"', () => {
expect(actual.tagName).toEqual('H2');
});
it('has childElementCount: 1', () => {
expect(actual.childElementCount).toEqual(1);
});

describe(`first child`, () => {
const actualChild = actual.children[0];
it('has tagName: "A"', () => {
expect(actualChild.tagName).toEqual('A');
});
it('has href: "https://www.google.com/"', () => {
expect(actualChild.href).toEqual('https://www.google.com/');
});
it('has target: "_blank" (default)', () => {
expect(actualChild.target).toEqual('_blank');
});
it('has innerHTML: "google it"', () => {
expect(actualChild.innerHTML).toEqual('google it');
});
it('has childElementCount: 0', () => {
expect(actualChild.childElementCount).toEqual(0);
});
});
});

describe('a header linked to badgers', () => {
const actual = linkedHeader('badger x 3', 'https://badgerbadgerbadger.com/', '_self');

it('has tagName: "H2"', () => {
expect(actual.tagName).toEqual('H2');
});
it('has childElementCount: 1', () => {
expect(actual.childElementCount).toEqual(1);
});

describe(`first child`, () => {
const actualChild = actual.children[0];
it('has tagName: "A"', () => {
expect(actualChild.tagName).toEqual('A');
});
it('has href: "https://badgerbadgerbadger.com/"', () => {
expect(actualChild.href).toEqual('https://badgerbadgerbadger.com/');
});
it('has target: "_self"', () => {
expect(actualChild.target).toEqual('_self');
});
it('has innerHTML: "badger x 3"', () => {
expect(actualChild.innerHTML).toEqual('badger x 3');
});
it('has childElementCount: 0', () => {
expect(actualChild.childElementCount).toEqual(0);
});
});
});
});