APi for commits. Better api docs

spec/requests/api/commits_spec.rb

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+require 'spec_helper'
+
+describe Gitlab::API do
+  include ApiHelpers
+
+  let(:user) { Factory :user }
+  let!(:project) { Factory :project, owner: user }
+
+  describe "GET /projects/:id/commits" do
+    context "authorized user" do
+      before { project.add_access(user, :read) }
+
+      it "should return project commits" do
+        get api("/projects/#{project.code}/commits", user)
+        response.status.should == 200
+
+        json_response.should be_an Array
+        json_response.first['id'].should == project.commit.id
+      end
+    end
+
+    context "unauthorized user" do
+      it "should return project commits" do
+        get api("/projects/#{project.code}/commits")
+        response.status.should == 401
+      end
+    end
+  end
+end