Added param_parser specs

spec/param_parser_spec.cr

@@ -1,16 +1,27 @@
 require "./spec_helper"
 
 describe "ParamParser" do
-  it "parses params" do
-    kemal = Kemal::Handler.new
-    kemal.add_route "POST", "/" do |env|
+
+  it "parses query params" do
+    route = Route.new "POST", "/" do |env|
+      hasan = env.params["hasan"]
+      "Hello #{hasan}"
+    end
+    request = HTTP::Request.new("POST", "/?hasan=cemal")
+    params = Kemal::ParamParser.new(route, request).parse
+    params["hasan"].should eq "cemal"
+  end
+
+  it "parses request body" do
+    route = Route.new "POST", "/" do |env|
       name = env.params["name"]
       age = env.params["age"]
       hasan = env.params["hasan"]
       "Hello #{name} #{hasan} #{age}"
     end
-    request = HTTP::Request.new("POST", "/?hasan=cemal", body: "name=kemal&age=99")
-    response = kemal.call(request)
-    response.body.should eq("Hello kemal cemal 99")
+    request = HTTP::Request.new("POST", "/?hasan=cemal", body: "name=serdar&age=99")
+    params = Kemal::ParamParser.new(route, request).parse
+    params.should eq({"hasan" => "cemal", "name" => "serdar", "age" => "99"})
   end
+
 end

src/kemal/handler.cr

@@ -22,7 +22,7 @@ class Kemal::Handler < HTTP::Handler
     @routes.each do |route|
       match = route.match?(request)
       if match
-        params = Kemal::Params.new(route, request).parse
+        params = Kemal::ParamParser.new(route, request).parse
         context = Context.new(request, params.not_nil!)
         begin
           body = route.handler.call(context).to_s

src/kemal/param_parser.cr

@@ -1,4 +1,4 @@
-class Kemal::Params
+class Kemal::ParamParser
   def initialize(@route, @request)
     @route_components = route.components
     @request_components = request.path.not_nil!.split "/"