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// Copyright 2018-2020 the oak authors. All rights reserved. MIT license.
import { assert, assertEquals, assertStrictEq, test } from "./test_deps.ts";
import { Application } from "./application.ts";import { Context } from "./context.ts";import { Status } from "./deps.ts";import { httpErrors } from "./httpError.ts";import { send } from "./send.ts";
let encodingsAccepted = "identity";
function createMockApp<  S extends Record<string | number | symbol, any> = Record<string, any>,>(  state = {} as S,): Application<S> {  return {    state,  } as any;}
function createMockContext<  S extends Record<string | number | symbol, any> = Record<string, any>,>(  app: Application<S>,  path = "/",  method = "GET",) {  return ({    app,    request: {      acceptsEncodings() {        return encodingsAccepted;      },      headers: new Headers(),      method,      path,      search: undefined,      searchParams: new URLSearchParams(),      url: new URL(`http://localhost${path}`),    },    response: {      status: Status.OK,      body: undefined,      headers: new Headers(),    },    state: app.state,  } as unknown) as Context<S>;}
function setup<  S extends Record<string | number | symbol, any> = Record<string, any>,>(  path = "/",  method = "GET",): {  app: Application<S>;  context: Context<S>;} {  encodingsAccepted = "identity";  const app = createMockApp<S>();  const context = createMockContext<S>(app, path, method);  return { app, context };}
test({  name: "send HTML",  async fn() {    const { context } = setup("/test.html");    const fixture = await Deno.readFile("./fixtures/test.html");    await send(context, context.request.url.pathname, {      root: "./fixtures",    });    assertEquals(context.response.body, fixture);    assertEquals(context.response.type, ".html");    assertEquals(      context.response.headers.get("content-length"),      String(fixture.length),    );    assert(context.response.headers.get("last-modified") != null);    assertEquals(context.response.headers.get("cache-control"), "max-age=0");  },});
test({  name: "send gzip",  async fn() {    const { context } = setup("/test.json");    const fixture = await Deno.readFile("./fixtures/test.json.gz");    encodingsAccepted = "gzip";    await send(context, context.request.url.pathname, {      root: "./fixtures",    });    assertEquals(context.response.body, fixture);    assertEquals(context.response.type, ".json");    assertEquals(context.response.headers.get("content-encoding"), "gzip");    assertEquals(      context.response.headers.get("content-length"),      String(fixture.length),    );  },});
test({  name: "send brotli",  async fn() {    const { context } = setup("/test.json");    const fixture = await Deno.readFile("./fixtures/test.json.br");    encodingsAccepted = "br";    await send(context, context.request.url.pathname, {      root: "./fixtures",    });    assertEquals(context.response.body, fixture);    assertEquals(context.response.type, ".json");    assertEquals(context.response.headers.get("content-encoding"), "br");    assertEquals(      context.response.headers.get("content-length"),      String(fixture.length),    );  },});
test({  name: "send identity",  async fn() {    const { context } = setup("/test.json");    const fixture = await Deno.readFile("./fixtures/test.json");    await send(context, context.request.url.pathname, {      root: "./fixtures",    });    assertEquals(context.response.body, fixture);    assertEquals(context.response.type, ".json");    assertStrictEq(context.response.headers.get("content-encoding"), null);    assertEquals(      context.response.headers.get("content-length"),      String(fixture.length),    );  },});
test({  name: "send 404",  async fn() {    const { context } = setup("/foo.txt");    encodingsAccepted = "identity";    let didThrow = false;    try {      await send(context, context.request.url.pathname, {        root: "./fixtures",      });    } catch (e) {      assert(e instanceof httpErrors.NotFound);      didThrow = true;    }    assert(didThrow);  },});