1 files changed, 80 insertions, 0 deletions
diff --git a/spec/services/labels/update_service_spec.rb b/spec/services/labels/update_service_spec.rb
new file mode 100644
index 00000000000..f2498ea6990
--- /dev/null
+++ b/spec/services/labels/update_service_spec.rb
@@ -0,0 +1,80 @@
+require 'spec_helper'
+
+describe Labels::UpdateService, services: true do
+  describe '#execute' do
+    let(:project) { create(:project) }
+
+    let(:hex_color) { '#FF0000' }
+    let(:named_color) { 'red' }
+    let(:upcase_color) { 'RED' }
+    let(:spaced_color) { ' red ' }
+    let(:unknown_color) { 'unknown' }
+    let(:no_color) { '' }
+
+    let(:expected_saved_color) { hex_color }
+
+    before(:each) do
+      @label = Labels::CreateService.new(title: 'Initial', color: '#000000').execute(project: project)
+      expect(@label).to be_persisted
+    end
+
+    context 'with color in hex-code' do
+      it 'updates the label' do
+        label = Labels::UpdateService.new(params_with(hex_color)).execute(@label)
+
+        expect(label).to be_valid
+        expect(label.reload.color).to eq expected_saved_color
+      end
+    end
+
+    context 'with color in allowed name' do
+      it 'updates the label' do
+        label = Labels::UpdateService.new(params_with(named_color)).execute(@label)
+
+        expect(label).to be_valid
+        expect(label.reload.color).to eq expected_saved_color
+      end
+    end
+
+    context 'with color in up-case allowed name' do
+      it 'updates the label' do
+        label = Labels::UpdateService.new(params_with(upcase_color)).execute(@label)
+
+        expect(label).to be_valid
+        expect(label.reload.color).to eq expected_saved_color
+      end
+    end
+
+    context 'with color surrounded by spaces' do
+      it 'updates the label' do
+        label = Labels::UpdateService.new(params_with(spaced_color)).execute(@label)
+
+        expect(label).to be_valid
+        expect(label.reload.color).to eq expected_saved_color
+      end
+    end
+
+    context 'with unknown color' do
+      it 'doesn\'t update the label' do
+        label = Labels::UpdateService.new(params_with(unknown_color)).execute(@label)
+
+        expect(label).not_to be_valid
+      end
+    end
+
+    context 'with no color' do
+      it 'doesn\'t update the label' do
+        label = Labels::UpdateService.new(params_with(no_color)).execute(@label)
+
+        expect(label).not_to be_valid
+      end
+    end
+  end
+
+  def params_with(color)
+    {
+      title: 'A Label',
+      color: color
+    }
+  end
+end