added some specs for gitlab_access class

spec/lib/gitlab/git_access_spec.rb

@@ -124,4 +124,48 @@ describe Gitlab::GitAccess do
       end
     end
   end
+
+  describe "pass_git_hooks?" do
+    describe "author email check" do
+      it 'returns true' do
+        access.pass_git_hooks?(user, project, 'refs/heads/master', '6f6d7e7ed', '570e7b2ab').should be_true
+      end
+
+      it 'returns false' do
+        project.create_git_hook
+        project.git_hook.update(commit_message_regex: "@only.com")
+        access.pass_git_hooks?(user, project, 'refs/heads/master', '6f6d7e7ed', '570e7b2ab').should be_false
+      end
+    end
+
+    describe "member_check" do
+      before do
+        project.create_git_hook
+        project.git_hook.update(member_check: true)
+      end
+
+      it 'returns false for non-member user' do
+        access.pass_git_hooks?(user, project, 'refs/heads/master', '6f6d7e7ed', '570e7b2ab').should be_false
+      end
+
+      it 'returns true if committer is a gitlab member' do
+        create(:user, email: 'dmitriy.zaporozhets@gmail.com')
+        access.pass_git_hooks?(user, project, 'refs/heads/master', '6f6d7e7ed', '570e7b2ab').should be_true
+      end
+    end
+
+    describe "file names check" do
+      it 'returns false when filename is prohibited' do
+        project.create_git_hook
+        project.git_hook.update(file_name_regex: "jpg$")
+        access.pass_git_hooks?(user, project, 'refs/heads/master', '913c66a37', '33f3729a4').should be_false
+      end
+
+      it 'returns true if file name is allowed' do
+        project.create_git_hook
+        project.git_hook.update(file_name_regex: "exe$")
+        access.pass_git_hooks?(user, project, 'refs/heads/master', '913c66a37', '33f3729a4').should be_true
+      end
+    end
+  end
 end