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metadata: add tests

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Roipoussiere 2023-06-06 21:01:09 +02:00
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import { describe, expect, it } from 'vitest';
import { getMetadata } from '../website/src/pages/metadata_parser';
describe.concurrent('Metadata parser', () => {
it('loads a tag from inline comment', async () => {
const tune = `// @title Awesome song`;
expect(getMetadata(tune)).toStrictEqual({
title: 'Awesome song',
});
});
it('loads many tags from inline comments', async () => {
const tune = `// @title Awesome song
// @by Sam`;
expect(getMetadata(tune)).toStrictEqual({
title: 'Awesome song',
by: ['Sam'],
});
});
it('loads many tags from one inline comment', async () => {
const tune = `// @title Awesome song @by Sam`;
expect(getMetadata(tune)).toStrictEqual({
title: 'Awesome song',
by: ['Sam'],
});
});
it('loads a tag from a block comment', async () => {
const tune = `/* @title Awesome song */`;
expect(getMetadata(tune)).toStrictEqual({
title: 'Awesome song',
});
});
it('loads many tags from a block comment', async () => {
const tune = `/*
@title Awesome song
@by Sam
*/`;
expect(getMetadata(tune)).toStrictEqual({
title: 'Awesome song',
by: ['Sam'],
});
});
it('loads many tags from many block comments', async () => {
const tune = `/* @title Awesome song */
/* @by Sam */`;
expect(getMetadata(tune)).toStrictEqual({
title: 'Awesome song',
by: ['Sam'],
});
});
it('loads many tags from mixed comments', async () => {
const tune = `/* @title Awesome song */
// @by Sam
`;
expect(getMetadata(tune)).toStrictEqual({
title: 'Awesome song',
by: ['Sam'],
});
});
it('loads a tag list with comma-separated values syntax', async () => {
const tune = `// @by Sam, Sandy`;
expect(getMetadata(tune)).toStrictEqual({
by: ['Sam', 'Sandy'],
});
});
it('loads a tag list with duplicate keys syntax', async () => {
const tune = `// @by Sam
// @by Sandy`;
expect(getMetadata(tune)).toStrictEqual({
by: ['Sam', 'Sandy'],
});
});
it('loads a tag list with duplicate keys syntax, with prefixes', async () => {
const tune = `// song @by Sam
// samples @by Sandy`;
expect(getMetadata(tune)).toStrictEqual({
by: ['Sam', 'Sandy'],
});
});
it('loads many tag lists with duplicate keys syntax, within code', async () => {
const tune = `note("a3 c#4 e4 a4") // @by Sam @license CC0
s("bd hh sd hh") // @by Sandy @license CC BY-NC-SA`;
expect(getMetadata(tune)).toStrictEqual({
by: ['Sam', 'Sandy'],
license: ['CC0', 'CC BY-NC-SA'],
});
});
it('loads a tag list with duplicate keys syntax from block comment', async () => {
const tune = `/* @by Sam
@by Sandy */`;
expect(getMetadata(tune)).toStrictEqual({
by: ['Sam', 'Sandy'],
});
});
it('loads a tag list with newline syntax', async () => {
const tune = `/*
@by Sam
Sandy */`;
expect(getMetadata(tune)).toStrictEqual({
by: ['Sam', 'Sandy'],
});
});
it('loads a multiline tag from block comment', async () => {
const tune = `/*
@details I wrote this song in February 19th, 2023.
It was around midnight and I was lying on
the sofa in the living room.
*/`;
expect(getMetadata(tune)).toStrictEqual({
details:
'I wrote this song in February 19th, 2023. ' +
'It was around midnight and I was lying on the sofa in the living room.',
});
});
it('loads a multiline tag from block comment with duplicate keys', async () => {
const tune = `/*
@details I wrote this song in February 19th, 2023.
@details It was around midnight and I was lying on
the sofa in the living room.
*/`;
expect(getMetadata(tune)).toStrictEqual({
details:
'I wrote this song in February 19th, 2023. ' +
'It was around midnight and I was lying on the sofa in the living room.',
});
});
it('loads a multiline tag from inline comments', async () => {
const tune = `// @details I wrote this song in February 19th, 2023.
// @details It was around midnight and I was lying on
// @details the sofa in the living room.
*/`;
expect(getMetadata(tune)).toStrictEqual({
details:
'I wrote this song in February 19th, 2023. ' +
'It was around midnight and I was lying on the sofa in the living room.',
});
});
it('loads empty tags from inline comments', async () => {
const tune = `// @title
// @by`;
expect(getMetadata(tune)).toStrictEqual({
title: '',
by: [],
});
});
it('loads empty tags from block comment', async () => {
const tune = `/* @title
@by */`;
expect(getMetadata(tune)).toStrictEqual({
title: '',
by: [],
});
});
it('loads tags with whitespaces from inline comments', async () => {
const tune = ` // @title Awesome song
// @by Sam Tagada `;
expect(getMetadata(tune)).toStrictEqual({
title: 'Awesome song',
by: ['Sam Tagada'],
});
});
it('loads tags with whitespaces from block comment', async () => {
const tune = ` /* @title Awesome song
@by Sam Tagada */ `;
expect(getMetadata(tune)).toStrictEqual({
title: 'Awesome song',
by: ['Sam Tagada'],
});
});
it('does not load code that looks like a metadata tag', async () => {
const tune = `
const str1 = '@title Awesome song'
`;
expect(getMetadata(tune)).toStrictEqual({});
});
});