70 lines
1.7 KiB
JavaScript
70 lines
1.7 KiB
JavaScript
import * as assert from 'assert';
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import * as fs from 'fs';
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import * as path from 'path';
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import * as yaml from 'yaml-js';
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import wu from 'wu';
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import Ajv from 'ajv';
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import collect from '../src';
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function run(title) {
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let actual, expectedTypes, expectedSchema;
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// Run the collector only if the suite will be checked.
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before(() => {
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actual = collect(title + '/source.js');
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expectedTypes = yaml.load(fs.readFileSync(title + '/types.yaml', 'utf8'));
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expectedSchema = JSON.parse(fs.readFileSync(title + '/schema.json', 'utf8'));
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});
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it('should not include cycles', () => {
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assert.deepEqual(detectCycles(actual.types), new Set);
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});
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it('should provide expected types', () => {
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assert.deepEqual(actual.types, expectedTypes);
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});
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it('should generate valid JSON schema', () => {
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const ajv = new Ajv;
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ajv.validateSchema(actual.schema);
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assert.equal(ajv.errors, null);
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});
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it('should provide expected JSON schema', () => {
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assert.deepEqual(actual.schema, expectedSchema);
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});
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}
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function detectCycles(obj: mixed, cycles: Set<mixed> = new Set, objs: Set<mixed> = new Set) {
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if (obj == null || typeof obj !== 'object') {
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return cycles;
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}
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if (objs.has(obj)) {
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cycles.add(obj);
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}
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objs.add(obj);
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if (obj instanceof Array) {
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wu(obj).forEach(item => detectCycles(item, cycles, objs));
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} else {
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wu.values(obj).forEach(item => detectCycles(item, cycles, objs));
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}
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return cycles;
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}
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function main() {
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process.chdir(path.join(__dirname, 'samples'));
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for (const title of fs.readdirSync('.')) {
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describe(title, () => run(title));
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}
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}
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main();
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