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import type { Context } from "../context.ts";
import { assertEquals } from "../vendor/https/deno.land/std/testing/asserts.ts";import { cors } from "./cors.ts";import { Header } from "../constants.ts";const { test } = Deno;
test("middleware cors", function (): void {  let headers = new Headers();  let ctx = {    request: {      headers: new Headers(),    },    response: {      headers,    },  } as Context;  cors()((c) => c)(ctx);  assertEquals(headers.get(Header.Vary), Header.Origin);  assertEquals(headers.get(Header.AccessControlAllowOrigin), "*");
  headers = new Headers();  ctx = {    request: {      headers: new Headers(),    },    response: {      headers,    },  } as Context;  cors({    allowOrigins: ["http://foo.com", "http://bar.com"],  })((c) => c)(ctx);  assertEquals(headers.get(Header.AccessControlAllowOrigin), null);
  headers = new Headers();  ctx = {    request: {      headers: new Headers({ [Header.Origin]: "http://bar.com" }),    },    response: {      headers,    },  } as Context;  cors({    allowOrigins: ["http://foo.com", "http://bar.com"],  })((c) => c)(ctx);  assertEquals(headers.get(Header.AccessControlAllowOrigin), "http://bar.com");
  headers = new Headers();  ctx = {    request: {      headers: new Headers({ [Header.Origin]: "http://bar.com/xyz/" }),    },    response: {      headers,    },  } as Context;  cors({    allowOrigins: ["http://foo.com", "http://bar.com"],  })((c) => c)(ctx);  assertEquals(    headers.get(Header.AccessControlAllowOrigin),    "http://bar.com/xyz/",  );});