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import { configSync } from "https://deno.land/std@0.166.0/dotenv/mod.ts";import {  afterAll,  afterEach,  beforeAll,  describe,  it,} from "https://deno.land/std@0.166.0/testing/bdd.ts";import {  assertSpyCalls,  resolvesNext,  Stub,  stub,} from "https://deno.land/std@0.166.0/testing/mock.ts";import {  assertEquals,  assertMatch,  assertRejects,  assertThrows,} from "https://deno.land/std@0.166.0/testing/asserts.ts";import {  _internals,  buildUrl,  execute,  validateApiKey,  validateTimeout,} from "../src/utils.ts";import { config } from "../src/config.ts";import { InvalidTimeoutError, MissingApiKeyError } from "../src/errors.ts";
configSync({ export: true });const BASE_URL = Deno.env.get("ENV_TYPE") === "local"  ? "http://localhost:3000"  : "https://serpapi.com";
describe("validateApiKey", () => {  afterEach(() => {    config.api_key = null;  });
  it("with no api_key", () => {    assertThrows(() => validateApiKey(""), MissingApiKeyError);    assertThrows(() => validateApiKey(undefined), MissingApiKeyError);  });
  it("with api_key set in config", () => {    config.api_key = "api_key";    assertThrows(() => validateApiKey(""), MissingApiKeyError);    assertEquals(validateApiKey(undefined), "api_key");  });
  it("with empty api_key set in config", () => {    config.api_key = "";    assertThrows(() => validateApiKey(""), MissingApiKeyError);    assertThrows(() => validateApiKey(undefined), MissingApiKeyError);  });
  it("with api_key", () => {    assertEquals(validateApiKey("  "), "  ");    assertEquals(validateApiKey("asd"), "asd");  });});
describe("validateTimeout", () => {  afterEach(() => {    config.timeout = 60000;  });
  it("with invalid timeout", () => {    assertThrows(() => validateTimeout(0), InvalidTimeoutError);    assertThrows(() => validateTimeout(-10), InvalidTimeoutError);  });
  it("with timeout set in config", () => {    config.timeout = 10000;    assertThrows(() => validateTimeout(0), InvalidTimeoutError);    assertEquals(validateTimeout(undefined), 10000);  });
  it("with invalid timeout set in config", () => {    config.timeout = -1;    assertThrows(() => validateTimeout(0), InvalidTimeoutError);    assertThrows(() => validateTimeout(undefined), InvalidTimeoutError);  });
  it("with valid timeout", () => {    assertEquals(validateTimeout(1), 1);    assertEquals(validateTimeout(10000), 10000);  });});
describe("buildUrl", () => {  let urlStub: Stub;
  beforeAll(() => {    urlStub = stub(_internals, "getBaseUrl", () => BASE_URL);  });
  afterAll(() => {    urlStub.restore();  });
  it("with blank path and empty parameters", () => {    assertEquals(buildUrl("", {}), `${BASE_URL}?`);  });
  it("with path and empty parameters", () => {    assertEquals(buildUrl("/", {}), `${BASE_URL}/?`);  });
  it("with path and parameters", () => {    assertEquals(      buildUrl("/search", { q: "coffee", gl: "us" }),      `${BASE_URL}/search?q=coffee&gl=us`,    );  });
  it("with undefined parameters", () => {    assertEquals(      buildUrl("/search", { q: "coffee", gl: undefined, hl: null }),      `${BASE_URL}/search?q=coffee&hl=null`,    );  });});
describe("execute", {  sanitizeOps: false,  sanitizeResources: false,}, () => {  let urlStub: Stub;
  beforeAll(() => {    urlStub = stub(_internals, "getBaseUrl", () => BASE_URL);  });
  afterAll(() => {    urlStub.restore();  });
  it("with path and parameters calls fetch with source appended", async () => {    const fetchStub = stub(      _internals,      "fetch",      resolvesNext([new Response("data")]),    );    try {      await execute("/search", { q: "coffee", gl: "us" }, 4000);    } finally {      fetchStub.restore();    }
    assertSpyCalls(fetchStub, 1);    const url = fetchStub.calls[0].args[0] as string;    // e.g. deno@1.28.2    assertMatch(      url,      /source=(nodejs|deno)%40\d+\.\d+\.\d+$/,    );  });
  it("with short timeout", () => {    assertRejects(async () =>      await execute("/search", { q: "coffee", gl: "us" }, 1)    );  });});