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// Copyright 2019 Yusuke Sakurai. All rights reserved. MIT license.import { createRouter, findLongestAndNearestMatch } from "./router.ts";import { runIfMain, test } from "./vendor/https/deno.land/std/testing/mod.ts";import { defer } from "./promises.ts";import { assertEquals } from "./vendor/https/deno.land/std/testing/asserts.ts";
([  ["/foo", ["/foo", "/bar", "/f"], 0],  ["/foo", ["/foo", "/foo/bar"], 0],  ["/foo/bar", ["/", "/foo", "/hoo", "/hoo/foo/bar", "/foo/bar"], 4],  ["/foo/bar/foo", ["/foo", "/foo/bar", "/bar/foo"], 1],  ["/foo", ["/", "/hoo", "/hoo/foo"], 0],  ["/deno/land", [/d(.+?)o/, /d(.+?)d/], 1],  ["/foo", ["/", "/a/foo"], 0],  ["/foo", [/\/foo/, /\/bar\/foo/], 0],  ["/foo", [/\/a\/foo/, /\/foo/], 1]] as [string, (string | RegExp)[], number][]).forEach(([path, pat, idx]) => {  test("findLongestAndNearestMatch:" + path, () => {    assertEquals(findLongestAndNearestMatch(path, pat).index, idx);  });});
(function() {  const router = createRouter();  router.handle("/index", async req => {    await req.respond({      status: 200,      body: "ok"    });  });  router.handle(new RegExp("/foo/(?<id>.+)"), async req => {    const { id } = req.match.groups;    await req.respond({      status: 200,      headers: new Headers({        "content-type": "application/json"      }),      body: JSON.stringify({ id })    });  });  router.handle("/no-response", async req => {});  router.handle("/throw", async req => {    throw new Error("throw");  });  let errorHandled = false;  router.handleError((e, req) => {    errorHandled = true;  });  const cancel = defer<void>();  router.listen(    {      hostname: "127.0.0.1",      port: 8898    },    { cancel: cancel.promise }  );  const suiteDefer = defer();  let testCnt = 0;  function _test(str: string, func: () => Promise<void>) {    testCnt++;    func().finally(() => {      testCnt--;      test(str, func);      if (testCnt === 0) {        suiteDefer.resolve();      }    });  }  _test("router should respond string path", async () => {    {      const res1 = await fetch("http://127.0.0.1:8898/index");      const text = await res1.body.text();      assertEquals(res1.status, 200);      assertEquals(text, "ok");    }  });  _test("router should respond regexp path", async () => {    const res2 = await fetch("http://127.0.0.1:8898/foo/123");    const json = await res2.body.json();    assertEquals(res2.status, 200);    assertEquals(res2.headers.get("content-type"), "application/json");    assertEquals(json["id"], "123");  });  _test("router should respond even if req.respond wasn't called", async () => {    const res = await fetch("http://127.0.0.1:8898/no-response");    // assertEquals(res.status, 404);    const text = await res.body.text();    assertEquals(text, "Not Found");  });  _test("router should respond for unknown path", async () => {    const res = await fetch("http://127.0.0.1:8898/not-found");    const text = await res.body.text();    assertEquals(res.status, 404);    assertEquals(text, "Not Found");  });  _test("router should handle global error", async () => {    const res = await fetch("http://127.0.0.1:8898/throw");    const text = await res.body.text();    assertEquals(res.status, 500);    assertEquals(text, "Internal Server Error");    assertEquals(errorHandled, true);  });  suiteDefer.promise.finally(() => {    cancel.resolve();  });})();runIfMain(import.meta);