1 files changed, 50 insertions, 0 deletions
diff --git a/media_types/test.ts b/media_types/test.ts
new file mode 100644
index 000000000..af9326733
--- /dev/null
+++ b/media_types/test.ts
@@ -0,0 +1,50 @@
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+
+import { assertEqual, test } from "../testing/mod.ts";
+import {
+  lookup,
+  contentType,
+  extension,
+  charset,
+  extensions,
+  types
+} from "./mod.ts";
+
+test(function testLookup() {
+  assertEqual(lookup("json"), "application/json");
+  assertEqual(lookup(".md"), "text/markdown");
+  assertEqual(lookup("folder/file.js"), "application/javascript");
+  assertEqual(lookup("folder/.htaccess"), undefined);
+});
+
+test(function testContentType() {
+  assertEqual(contentType("markdown"), "text/markdown; charset=utf-8");
+  assertEqual(contentType("file.json"), "application/json; charset=utf-8");
+  assertEqual(contentType("text/html"), "text/html; charset=utf-8");
+  assertEqual(
+    contentType("text/html; charset=iso-8859-1"),
+    "text/html; charset=iso-8859-1"
+  );
+  assertEqual(contentType(".htaccess"), undefined);
+});
+
+test(function testExtension() {
+  assertEqual(extension("application/octet-stream"), "bin");
+  assertEqual(extension("application/javascript"), "js");
+  assertEqual(extension("text/html"), "html");
+});
+
+test(function testCharset() {
+  assertEqual(charset("text/markdown"), "UTF-8");
+  assertEqual(charset("text/css"), "UTF-8");
+});
+
+test(function testExtensions() {
+  assertEqual(extensions.get("application/javascript"), ["js", "mjs"]);
+  assertEqual(extensions.get("foo"), undefined);
+});
+
+test(function testTypes() {
+  assertEqual(types.get("js"), "application/javascript");
+  assertEqual(types.get("foo"), undefined);
+});