added specs for #param

spec/unit/request/params_spec.rb

@@ -0,0 +1,14 @@
+require 'spec_helper'
+
+describe Zero::Request, '#params' do
+  subject { Zero::Request.new(env) }
+  let(:env) { EnvGenerator.get('/foo?bar=baz') }
+
+  it "returns a Parameter object" do
+    subject.params.class.should be(Zero::Request::Parameter)
+  end
+
+  it "returns a valid Parameter object" do
+    subject.params.query['bar'].should == 'baz'
+  end
+end