1 files changed, 61 insertions, 0 deletions
diff --git a/spec/services/projects/apple_target_platform_detector_service_spec.rb b/spec/services/projects/apple_target_platform_detector_service_spec.rb
new file mode 100644
index 00000000000..6391161824c
--- /dev/null
+++ b/spec/services/projects/apple_target_platform_detector_service_spec.rb
@@ -0,0 +1,61 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Projects::AppleTargetPlatformDetectorService do
+  let_it_be(:project) { build(:project) }
+
+  subject { described_class.new(project).execute }
+
+  context 'when project is not an xcode project' do
+    before do
+      allow(Gitlab::FileFinder).to receive(:new) { instance_double(Gitlab::FileFinder, find: []) }
+    end
+
+    it 'returns an empty array' do
+      is_expected.to match_array []
+    end
+  end
+
+  context 'when project is an xcode project' do
+    using RSpec::Parameterized::TableSyntax
+
+    let(:finder) { instance_double(Gitlab::FileFinder) }
+
+    before do
+      allow(Gitlab::FileFinder).to receive(:new) { finder }
+    end
+
+    def search_query(sdk, filename)
+      "SDKROOT = #{sdk} filename:#{filename}"
+    end
+
+    context 'when setting string is found' do
+      where(:sdk, :filename, :result) do
+        'iphoneos'  | 'project.pbxproj' | [:ios]
+        'iphoneos'  | '*.xcconfig'      | [:ios]
+      end
+
+      with_them do
+        before do
+          allow(finder).to receive(:find).with(anything) { [] }
+          allow(finder).to receive(:find).with(search_query(sdk, filename)) { [instance_double(Gitlab::Search::FoundBlob)] }
+        end
+
+        it 'returns an array of unique detected targets' do
+          is_expected.to match_array result
+        end
+      end
+    end
+
+    context 'when setting string is not found' do
+      before do
+        allow(finder).to receive(:find).with(anything) { [] }
+      end
+
+      it 'returns an empty array' do
+        is_expected.to match_array []
+      end
+    end
+  end
+end