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test: enable a few jest eslint rules (#6900)

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* test: enable a few jest eslint rules

* more
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Joshua Chen 2022-03-12 08:43:09 +08:00 • committed by GitHub
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commit aa5a2d4c04
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22
packages/lqip-loader/src/__tests__/lqip.test.ts
View file

@ -6,25 +6,27 @@
*/
import path from 'path';
import * as lqip from '../lqip';
import {base64, palette} from '../lqip';
describe('lqip library', () => {
const imgPath = path.join(__dirname, '__fixtures__', 'endi.jpg');
const invalidPath = path.join(__dirname, '__fixtures__', 'docusaurus.svg');
const imgPath = path.join(__dirname, '__fixtures__', 'endi.jpg');
const invalidPath = path.join(__dirname, '__fixtures__', 'docusaurus.svg');
it('should reject unknown or unsupported file format', async () => {
await expect(lqip.base64(invalidPath)).rejects.toThrow(
describe('base64', () => {
it('rejects unknown or unsupported file format', async () => {
await expect(base64(invalidPath)).rejects.toThrow(
/Error: Input file is missing or uses unsupported image format, lqip v.*/,
);
});
it('should generate a valid base64', async () => {
it('generates a valid base64', async () => {
const expectedBase64 = 'data:image/jpeg;base64,/9j/2wBDA';
await expect(lqip.base64(imgPath)).resolves.toContain(expectedBase64);
await expect(base64(imgPath)).resolves.toContain(expectedBase64);
});
});
it('should generate a valid color palette', async () => {
const imgPalette = await lqip.palette(imgPath);
describe('palette', () => {
it('generates a valid color palette', async () => {
const imgPalette = await palette(imgPath);
expect(imgPalette).toHaveLength(6);
expect(imgPalette).toContain('#578ca1');
});

6
packages/lqip-loader/src/__tests__/utils.test.ts
View file

@ -12,7 +12,7 @@ import type {Palette} from 'node-vibrant/lib/color';
import {toPalette, toBase64} from '../utils';
describe('toBase64', () => {
test('should return a properly formatted Base64 image string', () => {
it('returns a properly formatted Base64 image string', () => {
const mockedMimeType = 'image/jpeg';
const mockedBase64Data = Buffer.from('hello world');
expect(toBase64(mockedMimeType, mockedBase64Data)).toEqual(
@ -35,11 +35,11 @@ describe('toPalette', () => {
});
});
it('should return 6 hex colours sorted by popularity', () => {
it('returns 6 hex colours sorted by popularity', () => {
expect(toPalette(correctTestSwatch)).toHaveLength(6);
});
it('should return 5 hex colours with no errors if a palette was incomplete', () => {
it('returns 5 hex colours with no errors if a palette was incomplete', () => {
expect(toPalette(testSwatchWithNull)).toHaveLength(5);
});
});