jdrouet/mrml

const assert = require("assert");
const { Engine } = require("mrml-wasm/nodejs/mrml_wasm");
const { describe, it } = require("node:test");

describe("mrml-wasm in node", function () {
  it("should render to html", function () {
    const engine = new Engine();
    const result = engine.toHtml(
      "<mjml><mj-body><mj-text>Hello world</mj-text></mj-body></mjml>",
    );
    assert.equal(result.type, "success");
  });

  it("should disable the comments", function () {
    const engine = new Engine();
    engine.setRenderOptions({
      disableComments: true,
      fonts: {},
    });
    const result = engine.toHtml(`<mjml>
  <mj-body>
    <!-- Hello -->
    <mj-text>Hello world</mj-text>
    <!-- Goodbye -->
  </mj-body>
</mjml>`);
    assert.equal(result.type, "success");
    assert.doesNotMatch(result.content, /Goodbye/);
    assert.equal(result.warnings.length, 0);
  });

  it("should use noop include loader by default", function () {
    const engine = new Engine();
    engine.setRenderOptions({
      disableComments: true,
      fonts: {},
    });
    const result = engine.toHtml(`<mjml>
<mj-body>
  <mj-include path="./header.mjml" />
</mj-body>
</mjml>`);
    assert.equal(result.type, "error");
  });

  it("should use memory include loader", function () {
    const engine = new Engine();
    engine.setParserOptions({
      includeLoader: {
        type: "memory",
        content: {
          "./header.mjml": "<mj-text>Hello World</mj-text>",
        },
      },
    });
    engine.setRenderOptions({
      disableComments: true,
      fonts: {},
    });
    const result = engine.toHtml(`<mjml>
<mj-body>
  <mj-include path="./header.mjml" />
</mj-body>
</mjml>`);
    assert.equal(result.type, "success");
    assert.match(result.content, /Hello/);
    assert.equal(result.warnings.length, 0);
  });

  it("should use network include loader", async function () {
    const engine = new Engine();
    engine.setAsyncParserOptions({
      includeLoader: {
        type: "reqwest",
        headers: {},
      },
    });
    engine.setRenderOptions({
      disableComments: true,
      fonts: {},
    });
    const result = await engine.toHtmlAsync(`<mjml>
<mj-body>
  <mj-include path="https://gist.githubusercontent.com/jdrouet/b0ac80fa08a3e7262bd4c94fc8865a87/raw/ec8771f4804a6c38427ed2a9f5937e11ec2b8c27/hello-world.mjml" />
</mj-body>
</mjml>`);
    assert.equal(result.type, "success");
    assert.match(result.content, /Hello World/);
    assert.equal(result.warnings.length, 0);
  });
});