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svelte/test/parser/index.js

54 lines
1.8 KiB

import * as assert from 'assert';
import * as fs from 'fs';
import { svelte, tryToLoadJson } from '../helpers.js';
7 years ago
describe('parse', () => {
fs.readdirSync('test/parser/samples').forEach(dir => {
if (dir[0] === '.') return;
// add .solo to a sample directory name to only run that test
const solo = /\.solo$/.test(dir);
if (solo && process.env.CI) {
throw new Error(
`Forgot to remove '.solo' from test parser/samples/${dir}`
);
}
(solo ? it.only : it)(dir, () => {
const options = tryToLoadJson(`test/parser/samples/${dir}/options.json`) || {};
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const input = fs.readFileSync(`test/parser/samples/${dir}/input.svelte`, 'utf-8').replace(/\s+$/, '');
const expectedOutput = tryToLoadJson(`test/parser/samples/${dir}/output.json`);
const expectedError = tryToLoadJson(`test/parser/samples/${dir}/error.json`);
try {
const { ast } = svelte.compile(input, Object.assign(options, {
generate: false
}));
fs.writeFileSync(`test/parser/samples/${dir}/_actual.json`, JSON.stringify(ast, null, '\t'));
assert.deepEqual(ast.html, expectedOutput.html);
assert.deepEqual(ast.css, expectedOutput.css);
assert.deepEqual(ast.instance, expectedOutput.instance);
assert.deepEqual(ast.module, expectedOutput.module);
} catch (err) {
if (err.name !== 'ParseError') throw err;
if (!expectedError) throw err;
try {
assert.equal(err.code, expectedError.code);
assert.equal(err.message, expectedError.message);
assert.deepEqual(err.start, expectedError.start);
assert.equal(err.pos, expectedError.pos);
assert.equal(err.toString().split('\n')[0], `${expectedError.message} (${expectedError.start.line}:${expectedError.start.column})`);
} catch (err2) {
const e = err2.code === 'MODULE_NOT_FOUND' ? err : err2;
throw e;
}
}
});
});
});