1 files changed, 66 insertions, 0 deletions
diff --git a/spec/services/projects/record_target_platforms_service_spec.rb b/spec/services/projects/record_target_platforms_service_spec.rb
new file mode 100644
index 00000000000..85311f36428
--- /dev/null
+++ b/spec/services/projects/record_target_platforms_service_spec.rb
@@ -0,0 +1,66 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Projects::RecordTargetPlatformsService, '#execute' do
+  let_it_be(:project) { create(:project) }
+
+  subject(:execute) { described_class.new(project).execute }
+
+  context 'when project is an XCode project' do
+    before do
+      double = instance_double(Projects::AppleTargetPlatformDetectorService, execute: [:ios, :osx])
+      allow(Projects::AppleTargetPlatformDetectorService).to receive(:new) { double }
+    end
+
+    it 'creates a new setting record for the project', :aggregate_failures do
+      expect { execute }.to change { ProjectSetting.count }.from(0).to(1)
+      expect(ProjectSetting.last.target_platforms).to match_array(%w(ios osx))
+    end
+
+    it 'returns array of detected target platforms' do
+      expect(execute).to match_array %w(ios osx)
+    end
+
+    context 'when a project has an existing setting record' do
+      before do
+        create(:project_setting, project: project, target_platforms: saved_target_platforms)
+      end
+
+      def project_setting
+        ProjectSetting.find_by_project_id(project.id)
+      end
+
+      context 'when target platforms changed' do
+        let(:saved_target_platforms) { %w(tvos) }
+
+        it 'updates' do
+          expect { execute }.to change { project_setting.target_platforms }.from(%w(tvos)).to(%w(ios osx))
+        end
+
+        it { is_expected.to match_array %w(ios osx) }
+      end
+
+      context 'when target platforms are the same' do
+        let(:saved_target_platforms) { %w(osx ios) }
+
+        it 'does not update' do
+          expect { execute }.not_to change { project_setting.updated_at }
+        end
+      end
+    end
+  end
+
+  context 'when project is not an XCode project' do
+    before do
+      double = instance_double(Projects::AppleTargetPlatformDetectorService, execute: [])
+      allow(Projects::AppleTargetPlatformDetectorService).to receive(:new).with(project) { double }
+    end
+
+    it 'does nothing' do
+      expect { execute }.not_to change { ProjectSetting.count }
+    end
+
+    it { is_expected.to be_nil }
+  end
+end