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import {  assertEquals,  assertStringIncludes,} from "./vendor/https/deno.land/std/testing/asserts.ts";import { Status } from "./vendor/https/deno.land/std/http/http_status.ts";import { createMockBodyReader, createMockRequest } from "./test_util.ts";import { Context } from "./context.ts";import { Header, MIME } from "./constants.ts";const { test } = Deno;
test("context string resp", function (): void {  const options = { app: undefined!, r: createMockRequest() };  const results = [    `{foo: "bar"}`,    `<h1>Title</h1>`,    `foo`,    `foo=bar`,    `undefined`,    `null`,    `0`,    `true`,    ``,  ];  const c = new Context(options);  for (const r of results) {    c.string(r);    assertEquals(c.response.status, 200);    assertEquals(c.response.body, new TextEncoder().encode(r));    assertStringIncludes(      c.response.headers!.get("Content-Type") ?? "",      "text/plain",    );  }});
test("context json resp", function (): void {  const options = { app: undefined!, r: createMockRequest() };  const results = [{ foo: "bar" }, `{foo: "bar"}`, [1, 2], {}, [], `[]`];  const c = new Context(options);  for (const r of results) {    c.json(r);    assertEquals(c.response.status, 200);    assertEquals(      c.response.body,      new TextEncoder().encode(typeof r === "object" ? JSON.stringify(r) : r),    );    assertStringIncludes(      c.response.headers!.get("Content-Type") ?? "",      "application/json",    );  }});
test("context html resp", function (): void {  const options = { app: undefined!, r: createMockRequest() };  const results = [    `{foo: "bar"}`,    `<h1>Title</h1>`,    `foo`,    `foo=bar`,    `undefined`,    `null`,    `0`,    `true`,    ``,  ];  const c = new Context(options);  for (const r of results) {    c.html(r);    assertEquals(c.response.status, 200);    assertEquals(c.response.body, new TextEncoder().encode(r));    assertStringIncludes(      c.response.headers!.get("Content-Type") ?? "",      "text/html",    );  }});
test("context file resp", async function (): Promise<void> {  const options = { app: undefined!, r: createMockRequest() };  const c = new Context(options);  await c.file("./mod.ts");  assertEquals(    c.response.headers!.get("Content-Type"),    "application/javascript; charset=UTF-8",  );});
test("context req with cookies", function RequestWithCookies(): void {  const options = { app: undefined!, r: createMockRequest() };  const c = new Context(options);  c.request.headers.append("Cookie", "PREF=al=en-GB&f1=123; wide=1; SID=123");  assertEquals(c.cookies, {    PREF: "al=en-GB&f1=123",    wide: "1",    SID: "123",  });  c.setCookie({    name: "hello",    value: "world",  });  assertEquals(c.response.headers?.get("Set-Cookie"), "hello=world");});
test("context redirect", function (): void {  const options = { app: undefined!, r: createMockRequest() };  const c = new Context(options);  c.redirect("https://a.com");  assertEquals(c.response.headers?.get(Header.Location), "https://a.com");  assertEquals(c.response.status, Status.Found);  c.redirect("https://b.com", Status.UseProxy);  assertEquals(c.response.headers?.get(Header.Location), "https://b.com");  assertEquals(c.response.status, Status.UseProxy);});
test("context multipart/form-data req", async function (): Promise<void> {  const options = {    app: undefined!,    r: createMockRequest({      body: createMockBodyReader(        `------WebKitFormBoundary4HgCv3WldXbH8Iob\r\nContent-Disposition: form-data; name="foo"\r\n\r\nbar\r\n------WebKitFormBoundary4HgCv3WldXbH8Iob\r\nContent-Disposition: form-data; name="foo1"\r\n\r\nbar1\r\n------WebKitFormBoundary4HgCv3WldXbH8Iob\r\nContent-Disposition: form-data; name="foo2"\r\n\r\nbar2\r\n------WebKitFormBoundary4HgCv3WldXbH8Iob--`,      ),      headers: new Headers({        [Header.ContentType]: MIME.MultipartForm +          "; boundary=----WebKitFormBoundary4HgCv3WldXbH8Iob",      }),    }),  };  const c = new Context(options);  const body = await c.body;
  assertEquals(body, {    foo: "bar",    foo1: "bar1",    foo2: "bar2",  });});
test("context application/x-www-form-urlencoded req", async function (): Promise<  void> {  const options = {    app: undefined!,    r: createMockRequest({      body: createMockBodyReader("foo=bar"),      headers: new Headers({ [Header.ContentType]: MIME.ApplicationForm }),    }),  };
  const c = new Context(options);  const body = await c.body;
  assertEquals(body, { foo: "bar" });});
test("context application/json req", async function (): Promise<void> {  const options = {    app: undefined!,    r: createMockRequest({      body: createMockBodyReader(`{"foo":"bar"}`),      headers: new Headers({ [Header.ContentType]: MIME.ApplicationJSON }),    }),  };
  const c = new Context(options);  const body = await c.body;
  assertEquals(body, { foo: "bar" });});
test("context text/plain req", async function (): Promise<void> {  const options = {    app: undefined!,    r: createMockRequest({      body: createMockBodyReader(`{"foo":"bar"}`),      headers: new Headers({ [Header.ContentType]: MIME.TextPlain }),    }),  };
  const c = new Context(options);  const body = await c.body;
  assertEquals(body, `{"foo":"bar"}`);});
test("context custom", function (): void {  class CustomContext extends Context {    constructor(c: Context) {      super(c);    }
    hello(): string {      return "hello";    }  }
  const options = { app: undefined!, r: createMockRequest() };  const c: Context = new CustomContext(new Context(options));  const cc = c.customContext;
  assertEquals(cc.hello(), "hello");});
test("context get set", function (): void {  const c = new Context({ app: undefined!, r: createMockRequest() });
  c.set("Hello", "World");  assertEquals(c.get("hello"), undefined);  assertEquals(c.get("Hello"), "World");
  const key = Symbol("Hello");  c.set(key, "World");  assertEquals(c.get(Symbol("Hello")), undefined);  assertEquals(c.get(key), "World");});
test("context read body twice", async function (): Promise<void> {  const options = {    app: undefined!,    r: createMockRequest({      body: createMockBodyReader(`{"foo":"bar"}`),      headers: new Headers({ [Header.ContentType]: MIME.ApplicationJSON }),    }),  };
  const c = new Context(options);  const body = await c.body;
  assertEquals(body, { foo: "bar" });  assertEquals(await c.body, body);});