Method test

test/fixtures.ts:201–243

(
    filename: string,
    additionalRendererOptions: RendererOptions,
    additionalFiles: string[]
  )

  }

  async test(
    filename: string,
    additionalRendererOptions: RendererOptions,
    additionalFiles: string[]
  ): Promise<void> {
    if (this.language.compileCommand) {
      exec(this.language.compileCommand);
    }
    compareJsonFileToJson({
      expectedFile: filename,
      given: { command: this.language.runCommand(filename) },
      strict: false,
      allowMissingNull: this.language.allowMissingNull
    });

    if (this.language.diffViaSchema) {
      debug("* Diffing with code generated via JSON Schema");
      // Make a schema
      await quicktype({
        src: [filename],
        lang: "schema",
        out: "schema.json",
        topLevel: this.language.topLevel,
        rendererOptions: {}
      });
      // Quicktype from the schema and compare to expected code
      shell.mv(this.language.output, `${this.language.output}.expected`);
      await quicktypeForLanguage(
        this.language,
        "schema.json",
        "schema",
        true,
        additionalRendererOptions
      );

      // Compare fixture.output to fixture.output.expected
      exec(
        `diff -Naur ${this.language.output}.expected ${
          this.language.output
        } > /dev/null 2>&1`
      );
    }
  }

  shouldSkipTest(sample: Sample): boolean {
    if (fs.statSync(sample.path).size > 32 * 1024 * 1024) {