add project snippets API

spec/api/projects_spec.rb

@@ -3,6 +3,7 @@ require 'spec_helper'
 describe Gitlab::API do
   let(:user) { Factory :user }
   let!(:project) { Factory :project, :owner => user }
+  let!(:snippet) { Factory :snippet, :author => user, :project => project }
   before { project.add_access(user, :read) }
 
   describe "GET /projects" do
@@ -52,4 +53,31 @@ describe Gitlab::API do
       json.first['name'].should == project.repo.tags.sort_by(&:name).reverse.first.name
     end
   end
+
+  describe "GET /projects/:id/snippets/:snippet_id" do
+    it "should return a project snippet" do
+      get "/api/projects/#{project.code}/snippets/#{snippet.id}?private_token=#{user.private_token}"
+      response.status.should == 200
+      json = JSON.parse(response.body)
+      json['title'].should == snippet.title
+    end
+  end
+
+  describe "POST /projects/:id/snippets" do
+    it "should create a new project snippet" do
+      post "/api/projects/#{project.code}/snippets?private_token=#{user.private_token}",
+        :title => 'api test', :file_name => 'sample.rb', :code => 'test'
+      response.status.should == 201
+      json = JSON.parse(response.body)
+      json['title'].should == 'api test'
+    end
+  end
+
+  describe "DELETE /projects/:id/snippets/:snippet_id" do
+    it "should create a new project snippet" do
+      expect {
+        delete "/api/projects/#{project.code}/snippets/#{snippet.id}?private_token=#{user.private_token}"
+      }.should change { Snippet.count }.by(-1)
+    end
+  end
 end