added specs for #payload

spec/unit/request/parameter/payload_spec.rb

@@ -0,0 +1,24 @@
+require 'spec_helper'
+
+describe Zero::Request::Parameter, '#payload' do
+  subject { Zero::Request::Parameter.new(env) }
+
+  context "without parameters" do
+    let(:env) { EnvGenerator.get('/foo') }
+    its(:payload) { should == {} }
+  end
+
+  context "with a query string" do
+    let(:env) { EnvGenerator.get('/foo?bar=baz') }
+    its(:payload) { should == {} }
+  end
+
+  context "with a post body" do
+    let(:env) do
+      EnvGenerator.post('/foo', {
+        :input => 'bar=baz', 'CONTENT_TYPE' => 'multipart/form-data'
+      })
+    end
+    its(:payload) { should == {'bar' => 'baz'} }
+  end
+end