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svelte/test/validator/index.ts

105 lines
2.7 KiB

import * as fs from 'fs';
import * as assert from 'assert';
import { svelte, loadConfig, tryToLoadJson } from '../helpers';
describe('validate', () => {
fs.readdirSync(`${__dirname}/samples`).forEach(dir => {
if (dir[0] === '.') return;
// add .solo to a sample directory name to only run that test
const solo = /\.solo/.test(dir);
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const skip = /\.skip/.test(dir);
if (solo && process.env.CI) {
throw new Error('Forgot to remove `solo: true` from test');
}
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(solo ? it.only : skip ? it.skip : it)(dir, () => {
const config = loadConfig(`${__dirname}/samples/${dir}/_config.js`);
const input = fs.readFileSync(`${__dirname}/samples/${dir}/input.svelte`, 'utf-8').replace(/\s+$/, '').replace(/\r/g, '');
const expected_warnings = tryToLoadJson(`${__dirname}/samples/${dir}/warnings.json`) || [];
const expected_errors = tryToLoadJson(`${__dirname}/samples/${dir}/errors.json`);
const options = tryToLoadJson(`${__dirname}/samples/${dir}/options.json`);
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let error;
try {
const { warnings } = svelte.compile(input, {
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dev: config.dev,
legacy: config.legacy,
generate: false,
customElement: config.customElement,
...options
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});
assert.deepEqual(warnings.map(w => ({
code: w.code,
message: w.message,
pos: w.pos,
start: w.start,
end: w.end
})), expected_warnings);
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} catch (e) {
error = e;
}
const expected = expected_errors && expected_errors[0];
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if (error || expected) {
if (error && !expected) {
throw error;
}
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if (expected && !error) {
throw new Error(`Expected an error: ${expected.message}`);
}
try {
assert.equal(error.code, expected.code);
assert.equal(error.message, expected.message);
assert.deepEqual(error.start, expected.start);
assert.deepEqual(error.end, expected.end);
assert.equal(error.pos, expected.pos);
} catch (e) {
console.error(error); // eslint-disable-line no-console
throw e;
}
}
});
});
it('errors if options.name is illegal', () => {
assert.throws(() => {
svelte.compile('<div></div>', {
name: 'not.valid',
generate: false
});
}, /options\.name must be a valid identifier/);
});
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it('warns if options.name is not capitalised', () => {
const { warnings } = svelte.compile('<div></div>', {
name: 'lowercase',
generate: false
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});
assert.deepEqual(warnings.map(w => ({
code: w.code,
message: w.message
})), [{
code: 'options-lowercase-name',
message: 'options.name should be capitalised'
}]);
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});
it('does not warn if options.name begins with non-alphabetic character', () => {
const { warnings } = svelte.compile('<div></div>', {
name: '_',
generate: false
});
assert.deepEqual(warnings, []);
});
});