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import chroma from 'chroma-js';
import * as path from 'path';
import {fileURLToPath} from 'url';
import mock from './generic-mock.js';
import {quickEvaluate} from '../../src/content-function.js';
import {quickLoadContentDependencies} from '../../src/content/dependencies/index.js';
import urlSpec from '../../src/url-spec.js';
import * as html from '../../src/util/html.js';
import {empty, showAggregate} from '../../src/util/sugar.js';
import {getColors} from '../../src/util/colors.js';
import {generateURLs, thumb} from '../../src/util/urls.js';
import {processLanguageFile} from '../../src/data/language.js';
const __dirname = path.dirname(fileURLToPath(import.meta.url));
export function testContentFunctions(t, message, fn) {
const urls = generateURLs(urlSpec);
t.test(message, async t => {
let loadedContentDependencies;
const language = await processLanguageFile('./src/strings-default.json');
const mocks = [];
const evaluate = ({
from = 'localized.home',
contentDependencies = {},
extraDependencies = {},
...opts
}) => {
if (!loadedContentDependencies) {
throw new Error(`Await .load() before performing tests`);
}
const {to} = urls.from(from);
return cleanCatchAggregate(() => {
return quickEvaluate({
...opts,
contentDependencies: {
...contentDependencies,
...loadedContentDependencies,
},
extraDependencies: {
html,
language,
thumb,
to,
urls,
appendIndexHTML: false,
getColors: c => getColors(c, {chroma}),
...extraDependencies,
},
});
});
};
evaluate.load = async (opts) => {
if (loadedContentDependencies) {
throw new Error(`Already loaded!`);
}
loadedContentDependencies = await asyncCleanCatchAggregate(() =>
quickLoadContentDependencies({
logging: false,
...opts,
}));
};
evaluate.snapshot = (...args) => {
if (!loadedContentDependencies) {
throw new Error(`Await .load() before performing tests`);
}
const [description, opts] =
(typeof args[0] === 'string'
? args
: ['output', ...args]);
let result = evaluate(opts);
if (opts.multiple) {
result = result.map(item => item.toString()).join('\n');
} else {
result = result.toString();
}
t.matchSnapshot(result, description);
};
evaluate.stubTemplate = name => {
// Creates a particularly permissable template, allowing any slot values
// to be stored and just outputting the contents of those slots as-are.
return new (class extends html.Template {
#slotValues = {};
constructor() {
super({
content: () => `${name}: ${JSON.stringify(this.#slotValues)}`,
});
}
setSlots(slotNamesToValues) {
Object.assign(this.#slotValues, slotNamesToValues);
}
setSlot(slotName, slotValue) {
this.#slotValues[slotName] = slotValue;
}
});
};
evaluate.mock = (...opts) => {
const {value, close} = mock(...opts);
mocks.push({close});
return value;
};
evaluate.mock.transformContent = {
transformContent: {
extraDependencies: ['html'],
data: content => ({content}),
slots: {mode: {type: 'string'}},
generate: ({content}) => content,
},
};
await fn(t, evaluate);
if (!empty(mocks)) {
cleanCatchAggregate(() => {
const errors = [];
for (const {close} of mocks) {
try {
close();
} catch (error) {
errors.push(error);
}
}
if (!empty(errors)) {
throw new AggregateError(errors, `Errors closing mocks`);
}
});
}
});
}
function printAggregate(error) {
if (error instanceof AggregateError) {
const message = showAggregate(error, {
showTraces: true,
print: false,
pathToFileURL: f => path.relative(path.join(__dirname, '../..'), fileURLToPath(f)),
});
for (const line of message.split('\n')) {
console.error(line);
}
}
}
function cleanCatchAggregate(fn) {
try {
return fn();
} catch (error) {
printAggregate(error);
throw error;
}
}
async function asyncCleanCatchAggregate(fn) {
try {
return await fn();
} catch (error) {
printAggregate(error);
throw error;
}
}
|
