add json mime type

scripts/config/templates/mime.types

@@ -24,6 +24,7 @@ types {
     image/svg+xml                         svg;
 
     application/java-archive              jar war ear;
+    application/json                      json;
     application/mac-binhex40              hqx;
     application/msword                    doc;
     application/pdf                       pdf;

spec/fixtures/mime_types_json/static.json

@@ -0,0 +1,3 @@
+{
+  "root": "www"
+}

spec/fixtures/mime_types_json/www/foo.json

@@ -0,0 +1,3 @@
+{
+  "foo": "bar"
+}

spec/simple_spec.rb

@@ -32,6 +32,18 @@
     expect(response.body.chomp).to eq("Hello World")
   end
 
+  describe "mime/types" do
+    let(:name) { "mime_types_json" }
+
+    context "json" do
+      it "should serve json as application/json content type" do
+        response = app.get("/foo.json")
+        expect(response.code).to eq("200")
+        expect(response["Content-Type"]).to eq("application/json")
+      end
+    end
+  end
+
   describe "no config" do
     let(:name) { "no_config" }