e2e_test.ts

import { createHandler } from "$fresh/server.ts";
import manifest from "@/fresh.gen.ts";
import {
  assert,
  assertEquals,
  assertFalse,
  assertInstanceOf,
} from "std/assert/mod.ts";

Deno.test("[http]", async (test) => {
  const handler = await createHandler(manifest);

  await test.step("GET /", async () => {
    const response = await handler(new Request("http://localhost"));

    assert(response.ok);
    assertInstanceOf(response.body, ReadableStream);
    assertEquals(
      response.headers.get("content-type"),
      "text/html; charset=utf-8",
    );
    assertEquals(response.status, 200);
  });

  await test.step("GET /account", async () => {
    const response = await handler(
      new Request("http://localhost/account"),
    );

    assertFalse(response.ok);
    assertFalse(response.body);
    assertEquals(
      response.headers.get("location"),
      "/signin?from=http://localhost/account",
    );
    assertEquals(response.status, 303);
  });

  await test.step("GET /signout", async () => {
    const response = await handler(
      new Request("http://localhost/signout"),
    );

    assertFalse(response.ok);
    assertFalse(response.body);
    assertEquals(response.headers.get("location"), "/");
    assertEquals(response.status, 302);
  });
});