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std/media_types/test.ts

Deno standard library
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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
const { test } = Deno;import { assertEquals } from "../testing/asserts.ts";import { lookup, contentType, extension, charset, extensions, types,} from "./mod.ts";
test(function testLookup(): void { assertEquals(lookup("json"), "application/json"); assertEquals(lookup(".md"), "text/markdown"); assertEquals(lookup("folder/file.js"), "application/javascript"); assertEquals(lookup("folder/.htaccess"), undefined);});
test(function testContentType(): void { assertEquals(contentType("markdown"), "text/markdown; charset=utf-8"); assertEquals(contentType("file.json"), "application/json; charset=utf-8"); assertEquals(contentType("text/html"), "text/html; charset=utf-8"); assertEquals( contentType("text/html; charset=iso-8859-1"), "text/html; charset=iso-8859-1" ); assertEquals(contentType(".htaccess"), undefined);});
test(function testExtension(): void { assertEquals(extension("application/octet-stream"), "bin"); assertEquals(extension("application/javascript"), "js"); assertEquals(extension("text/html"), "html");});
test(function testCharset(): void { assertEquals(charset("text/markdown"), "UTF-8"); assertEquals(charset("text/css"), "UTF-8");});
test(function testExtensions(): void { assertEquals(extensions.get("application/javascript"), ["js", "mjs"]); assertEquals(extensions.get("foo"), undefined);});
test(function testTypes(): void { assertEquals(types.get("js"), "application/javascript"); assertEquals(types.get("foo"), undefined);});