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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { assertEquals } from "../assert/mod.ts";import { accepts, acceptsEncodings, acceptsLanguages } from "./negotiation.ts";
Deno.test({  name: "accepts() handles no args",  fn() {    const req = new Request("https://example.com/", {      headers: {        "accept":          "text/html, application/xhtml+xml, application/xml;q=0.9, image/webp, */*;q=0.8",      },    });    assertEquals(accepts(req), [      "text/html",      "application/xhtml+xml",      "image/webp",      "application/xml",      "*/*",    ]);  },});
Deno.test({  name: "accepts() handles args",  fn() {    const req = new Request("https://example.com/", {      headers: {        "accept":          "text/html, application/xhtml+xml, application/xml;q=0.9, image/webp, */*;q=0.8",      },    });    assertEquals(accepts(req, "text/html", "image/webp"), "text/html");  },});
Deno.test({  name: "accepts() handles no match",  fn() {    const req = new Request("https://example.com/", {      headers: {        "accept": "text/html, application/xhtml+xml, application/xml",      },    });    assertEquals(accepts(req, "application/json"), undefined);  },});
Deno.test({  name: "accepts() handles args and no header",  fn() {    const req = new Request("https://example.com/");    assertEquals(accepts(req, "text/html", "image/webp"), "text/html");  },});
Deno.test({  name: "accepts() handles no args and no header",  fn() {    const req = new Request("https://example.com/");    assertEquals(accepts(req), ["*/*"]);  },});
Deno.test({  name: "acceptsEncodings() handles no args",  fn() {    const req = new Request("https://example.com/", {      headers: { "accept-encoding": "deflate, gzip;q=1.0, *;q=0.5" },    });    assertEquals(acceptsEncodings(req), ["deflate", "gzip", "*"]);  },});
Deno.test({  name: "acceptsEncodings() handles args",  fn() {    const req = new Request("https://example.com/", {      headers: { "accept-encoding": "deflate, gzip;q=1.0, *;q=0.5" },    });    assertEquals(acceptsEncodings(req, "gzip", "identity"), "gzip");  },});
Deno.test({  name: "acceptsEncodings() handles no match",  fn() {    const req = new Request("https://example.com/", {      headers: { "accept-encoding": "deflate, gzip" },    });    assertEquals(acceptsEncodings(req, "brotli"), undefined);  },});
Deno.test({  name: "acceptsEncodings() handles args and no header",  fn() {    const req = new Request("https://example.com/");    assertEquals(acceptsEncodings(req, "gzip", "identity"), "gzip");  },});
Deno.test({  name: "acceptsEncodings() handles no args and no header",  fn() {    const req = new Request("https://example.com/");    assertEquals(acceptsEncodings(req), ["*"]);  },});
Deno.test({  name: "acceptsLanguages() handles no args",  fn() {    const req = new Request("https://example.com/", {      headers: {        "accept-language": "fr-CH, fr;q=0.9, en;q=0.8, de;q=0.7, *;q=0.5",      },    });    assertEquals(acceptsLanguages(req), ["fr-CH", "fr", "en", "de", "*"]);  },});
Deno.test({  name: "acceptsLanguages() handles args",  fn() {    const req = new Request("https://example.com/", {      headers: {        "accept-language": "fr-CH, fr;q=0.9, en;q=0.8, de;q=0.7, *;q=0.5",      },    });    assertEquals(acceptsLanguages(req, "en-gb", "en-us", "en"), "en");  },});
Deno.test({  name: "acceptsLanguages() handles no match",  fn() {    const req = new Request("https://example.com/", {      headers: { "accept-language": "fr-CH, fr;q=0.9, en;q=0.8, de;q=0.7" },    });    assertEquals(acceptsLanguages(req, "zh"), undefined);  },});
Deno.test({  name: "acceptsLanguages() handles args and no header",  fn() {    const req = new Request("https://example.com/");    assertEquals(acceptsLanguages(req, "en-gb", "en-us", "en"), "en-gb");  },});
Deno.test({  name: "acceptsLanguages() handles no args and no header",  fn() {    const req = new Request("https://example.com/");    assertEquals(acceptsLanguages(req), ["*"]);  },});