add users API

spec/api/users_spec.rb

@@ -0,0 +1,38 @@
+require 'spec_helper'
+
+describe Gitlab::API do
+  let(:user) { Factory :user }
+
+  describe "GET /users" do
+    it "should return authentication error" do
+      get "/api/users"
+      response.status.should == 401
+    end
+
+    describe "authenticated GET /users" do
+      it "should return an array of users" do
+        get "/api/users?private_token=#{user.private_token}"
+        response.status.should == 200
+        json = JSON.parse(response.body)
+        json.should be_an Array
+        json.first['email'].should == user.email
+      end
+    end
+  end
+
+  describe "GET /users/:id" do
+    it "should return a user by id" do
+      get "/api/users/#{user.id}?private_token=#{user.private_token}"
+      response.status.should == 200
+      JSON.parse(response.body)['email'].should == user.email
+    end
+  end
+
+  describe "GET /user" do
+    it "should return current user" do
+      get "/api/user?private_token=#{user.private_token}"
+      response.status.should == 200
+      JSON.parse(response.body)['email'].should == user.email
+    end
+  end
+end