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// Copyright 2018-2019 the oak authors. All rights reserved. MIT license.
import { test, assertEquals, assertStrictEq } from "./test_deps.ts";import { Context } from "./context.ts";import { Status } from "./deps.ts";import { compose, Middleware } from "./middleware.ts";import { Request } from "./request.ts";import { Response } from "./response.ts";
function createMockContext<S extends object = { [key: string]: any }>() {  return {    request: {      headers: new Headers(),      method: "GET",      path: "/",      search: undefined,      searchParams: new URLSearchParams(),      url: "/"    } as Request,    response: {      status: Status.OK,      body: undefined,      headers: new Headers()    } as Response  } as Context<S>;}
test(async function testCompose() {  const callStack: number[] = [];  const mockContext = createMockContext();  const mw1: Middleware = async (context, next) => {    assertStrictEq(context, mockContext);    assertEquals(typeof next, "function");    callStack.push(1);    await next();  };  const mw2: Middleware = async (context, next) => {    assertStrictEq(context, mockContext);    assertEquals(typeof next, "function");    callStack.push(2);    await next();  };  await compose([mw1, mw2])(mockContext);  assertEquals(callStack, [1, 2]);});