diff --git a/spec/models/project_services/gitlab_ci_service_spec.rb b/spec/models/project_services/gitlab_ci_service_spec.rb
index fedc37c9b94..4f8a1986995 100644
--- a/spec/models/project_services/gitlab_ci_service_spec.rb
+++ b/spec/models/project_services/gitlab_ci_service_spec.rb
@@ -26,6 +26,33 @@ describe GitlabCiService do
     it { is_expected.to have_one(:service_hook) }
   end
 
+ describe 'validations' do
+    context 'active' do
+      before { allow(subject).to receive(:activated?).and_return(true) }
+
+      it { is_expected.to validate_presence_of(:token) }
+      it { is_expected.to validate_presence_of(:project_url) }
+      it { is_expected.to allow_value('ewf9843kdnfdfs89234n').for(:token) }
+      it { is_expected.to allow_value('http://ci.example.com/project/1').for(:project_url) }
+      it { is_expected.not_to allow_value('token with spaces').for(:token) }
+      it { is_expected.not_to allow_value('token/with%spaces').for(:token) }
+      it { is_expected.not_to allow_value('this is not url').for(:project_url) }
+      it { is_expected.not_to allow_value('http//noturl').for(:project_url) }
+      it { is_expected.not_to allow_value('ftp://ci.example.com/projects/3').for(:project_url) }
+    end
+
+    context 'inactive' do
+      before { allow(subject).to receive(:activated?).and_return(false) }
+
+      it { is_expected.not_to validate_presence_of(:token) }
+      it { is_expected.not_to validate_presence_of(:project_url) }
+      it { is_expected.to allow_value('ewf9843kdnfdfs89234n').for(:token) }
+      it { is_expected.to allow_value('http://ci.example.com/project/1').for(:project_url) }
+      it { is_expected.to allow_value('token with spaces').for(:token) }
+      it { is_expected.to allow_value('ftp://ci.example.com/projects/3').for(:project_url) }
+    end
+  end
+
   describe 'commits methods' do
     before do
       @service = GitlabCiService.new
diff --git a/spec/requests/api/services_spec.rb b/spec/requests/api/services_spec.rb
index cedb5f15ead..6d29a28580a 100644
--- a/spec/requests/api/services_spec.rb
+++ b/spec/requests/api/services_spec.rb
@@ -17,6 +17,18 @@ describe API::API, api: true  do
 
       expect(response.status).to eq(400)
     end
+
+    it "should return if the format of token is invalid" do
+      put api("/projects/#{project.id}/services/gitlab-ci", user), token: 'token-with dashes and spaces%', project_url: "http://ci.example.com/projects/1", active: true
+
+      expect(response.status).to eq(404)
+    end
+
+    it "should return if the format of token is invalid" do
+      put api("/projects/#{project.id}/services/gitlab-ci", user), token: 'token-with dashes and spaces%', project_url: "ftp://ci.example/projects/1", active: true
+
+      expect(response.status).to eq(404)
+    end
   end
 
   describe "DELETE /projects/:id/services/gitlab-ci" do