import assert from 'assert'; import fs from 'fs'; import { svelte, tryToLoadJson } from '../helpers.js'; 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/${dir}/options.json`) || {}; function test(options, input, expectedOutput, expectedError, outputFile) { try { const actual = svelte.parse(input, options); fs.writeFileSync(outputFile, JSON.stringify(actual, null, '\t')); assert.deepEqual(actual.html, expectedOutput.html); assert.deepEqual(actual.css, expectedOutput.css); assert.deepEqual(actual.js, expectedOutput.js); } catch (err) { if (err.name !== 'ParseError') throw err; if (!expectedError) throw err; try { assert.equal(err.code, expectedError.code); assert.equal(err.message, expectedError.message); assert.deepEqual(err.loc, expectedError.loc); assert.equal(err.pos, expectedError.pos); assert.equal(err.toString().split('\n')[0], `${expectedError.message} (${expectedError.loc.line}:${expectedError.loc.column})`); } catch (err2) { const e = err2.code === 'MODULE_NOT_FOUND' ? err : err2; throw e; } } } // TODO remove v1 tests test( options, fs.readFileSync(`test/parser/samples/${dir}/input.html`, 'utf-8').replace(/\s+$/, ''), tryToLoadJson(`test/parser/samples/${dir}/output.json`), tryToLoadJson(`test/parser/samples/${dir}/error.json`), `test/parser/samples/${dir}/_actual.json` ); test( Object.assign({ parser: 'v2' }, options), fs.readFileSync(`test/parser/samples/${dir}/input-v2.html`, 'utf-8').replace(/\s+$/, ''), tryToLoadJson(`test/parser/samples/${dir}/output-v2.json`), tryToLoadJson(`test/parser/samples/${dir}/error-v2.json`), `test/parser/samples/${dir}/_actual-v2.json` ); }); }); it('handles errors with options.onerror', () => { let errored = false; svelte.compile(`

unclosed`, { onerror(err) { errored = true; assert.equal(err.message, `

was left open`); } }); assert.ok(errored); }); it('throws without options.onerror', () => { assert.throws(() => { svelte.compile(`

unclosed`); }, /

was left open/); }); it('includes AST in svelte.compile output', () => { const source = fs.readFileSync(`test/parser/samples/attribute-dynamic/input.html`, 'utf-8'); const { ast } = svelte.compile(source); const parsed = svelte.parse(source); assert.deepEqual(ast, parsed); }); });