const tape = require("tape-async");

const DEFAULT_TIMEOUT = 500;

let browser = "unknown";
if (navigator.userAgent.includes("Chrome/")) {
  browser = "Chrome";
} else if (navigator.userAgent.includes("Firefox/")) {
  browser = "Firefox";
}

// Export as a global a wrapped test function which enforces a timeout by default.
window.test = (desc, fn) => {
  tape(`${desc} (${browser})`, async (t) => {
    t.timeoutAfter(DEFAULT_TIMEOUT);
    await fn(t);
  });
};

// Export the rest of the property usually available on the tape test object.
window.test.skip = tape.skip.bind(tape);
window.test.onFinish = tape.onFinish.bind(tape);
window.test.onFailure = tape.onFailure.bind(tape);

// Configure dump test results into an HTML pre element
// added to the test page.
const stream = tape.createStream();
let results = "";
stream.on("data", (result) => {
  // Skip the TAP protocol version from the collected logs.
  if (!result.startsWith("TAP version")) {
    console.log("TAP test result:", result);
    results += result;
  }
});
stream.on("end", () => {
  try {
    const el = document.createElement("pre");
    el.setAttribute("id", "test-results");
    el.textContent = results;
    document.body.appendChild(el);
  } catch (err) {
    console.error(err);
  } finally {
    console.log("TAP tests completed.");
  }
});