Function runTest

test/md-test.ts:105–211

(test: Test)

  }

  function runTest(test: Test) {
    describe(test.name + ` at ${name}.md:${test.line + 1}`, () => {
      const location = `${name}.md:${test.line + 1}`

      let types: TestType[] = [];

      const isURL = test.values.has('url');
      const inputKey = isURL ? 'url' : 'http';

      assert(test.values.has(inputKey),
        `Missing "${inputKey}" code in md file`);
      assert.strictEqual(test.values.get(inputKey)!.length, 1,
        `Expected just one "${inputKey}" input`);

      let meta: Metadata;
      if (test.meta.has(inputKey)) {
        meta = test.meta.get(inputKey)![0]!;
      } else {
        assert(isURL, 'Missing required http metadata');
        meta = {};
      }

      if (isURL) {
        types = [ 'url' ];
      } else {
        assert(Object.prototype.hasOwnProperty.call(meta, 'type'), 'Missing required `type` metadata');

        if (meta.type) {
          if (!allowedTypes.includes(meta.type)) {
            throw new Error(`Invalid value of \`type\` metadata: "${meta.type}"`);
          }

          types.push(meta.type);
        }
      }

      assert(test.values.has('log'), 'Missing `log` code in md file');

      assert.strictEqual(test.values.get('log')!.length, 1,
        'Expected just one output');

      let input: string = test.values.get(inputKey)![0];
      let expected: string = test.values.get('log')![0];

      // Remove trailing newline
      input = input.replace(/\n$/, '');

      // Remove escaped newlines
      input = input.replace(/\\(\r\n|\r|\n)/g, '');

      // Normalize all newlines
      input = input.replace(/\r\n|\r|\n/g, '\r\n');

      // Replace escaped CRLF, tabs, form-feed
      input = input.replace(/\\r/g, '\r');
      input = input.replace(/\\n/g, '\n');
      input = input.replace(/\\t/g, '\t');
      input = input.replace(/\\f/g, '\f');