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import type { ConnInfo } from "https://deno.land/std@0.152.0/http/server.ts";import {  assert,  assertEquals,  assertIsError,} from "https://deno.land/std@0.152.0/testing/asserts.ts";import { METHODS, router } from "./mod.ts";
const TEST_CONN_INFO: ConnInfo = {  localAddr: {    transport: "tcp",    hostname: "test",    port: 80,  },  remoteAddr: {    transport: "tcp",    hostname: "test",    port: 80,  },};
Deno.test("handlers", async ({ step }) => {  await step("other", async ({ step }) => {    await step("default", async () => {      const route = router({        "/test": () => new Response(),      });      let response: Response;
      response = await route(        new Request("https://example.com/"),        TEST_CONN_INFO,      );      assert(!response.ok);      assertEquals(response.body, null);      assertEquals(response.status, 404);
      response = await route(        new Request("https://example.com/test"),        TEST_CONN_INFO,      );      assert(response.ok);      assertEquals(response.body, null);      assertEquals(response.status, 200);    });
    await step("custom", async () => {      const route = router({        "/test": () => new Response(),      }, () => {        return new Response("test", {          status: 418,        });      });      let response: Response;
      response = await route(        new Request("https://example.com/"),        TEST_CONN_INFO,      );      assert(!response.ok);      assertEquals(await response.text(), "test");      assertEquals(response.status, 418);
      response = await route(        new Request("https://example.com/test"),        TEST_CONN_INFO,      );      assert(response.ok);      assertEquals(response.body, null);      assertEquals(response.status, 200);    });  });
  await step("error", async ({ step }) => {    await step("default", async () => {      const route = router({        "/error": () => {          throw new Error("error");        },      });
      const response = await route(        new Request("https://example.com/error"),        TEST_CONN_INFO,      );      assert(!response.ok);      assertEquals(response.body, null);      assertEquals(response.status, 500);    });
    await step("custom", async () => {      const route = router(        {          "/error/:message": (_req, _ctx, match) => {            throw new Error(match.message);          },          "/error": () => {            throw new Error("error");          },        },        undefined,        (_req, _ctx, err) => {          assertIsError(err);
          return new Response(err.message, {            status: 500,          });        },      );      let response: Response;
      response = await route(        new Request("https://example.com/error"),        TEST_CONN_INFO,      );      assert(!response.ok);      assertEquals(await response.text(), "error");      assertEquals(response.status, 500);
      response = await route(        new Request("https://example.com/error/message"),        TEST_CONN_INFO,      );      assert(!response.ok);      assertEquals(await response.text(), "message");      assertEquals(response.status, 500);    });  });
  await step("unknown method", async ({ step }) => {    await step("default", async () => {      const route = router({        "GET@/test": () => new Response(),        "PATCH@/test": () => new Response(),      });      let response: Response;
      response = await route(        new Request("https://example.com/test"),        TEST_CONN_INFO,      );      assert(response.ok);      assertEquals(response.body, null);      assertEquals(response.status, 200);
      response = await route(        new Request("https://example.com/test", {          method: "PATCH",        }),        TEST_CONN_INFO,      );      assert(response.ok);      assertEquals(response.body, null);      assertEquals(response.status, 200);
      response = await route(        new Request("https://example.com/test", {          method: "POST",        }),        TEST_CONN_INFO,      );      assert(!response.ok);      assertEquals(response.body, null);      assertEquals(response.status, 405);      assertEquals(response.headers.get("Accept"), "GET, PATCH");    });
    await step("custom", async () => {      const route = router(        {          "GET@/test": () => new Response(),          "PATCH@/test": () => new Response(),        },        undefined,        undefined,        (_req, _ctx, knownMethods) => {          assert(Array.isArray(knownMethods));          assert(            knownMethods.every((              method,            ) =>              METHODS.includes(                method as (                  | "GET"                  | "HEAD"                  | "POST"                  | "PUT"                  | "DELETE"                  | "OPTIONS"                  | "PATCH"                ),              )            ),          );          assertEquals(knownMethods, ["GET", "PATCH"]);
          return new Response("unknown method", {            status: 405,            headers: {              Accept: knownMethods.join(", "),            },          });        },      );      let response: Response;
      response = await route(        new Request("https://example.com/test"),        TEST_CONN_INFO,      );      assert(response.ok);      assertEquals(response.body, null);      assertEquals(response.status, 200);
      response = await route(        new Request("https://example.com/test", {          method: "PATCH",        }),        TEST_CONN_INFO,      );      assert(response.ok);      assertEquals(response.body, null);      assertEquals(response.status, 200);
      response = await route(        new Request("https://example.com/test", {          method: "POST",        }),        TEST_CONN_INFO,      );      assert(!response.ok);      assertEquals(await response.text(), "unknown method");      assertEquals(response.status, 405);      assertEquals(response.headers.get("Accept"), "GET, PATCH");    });  });});