1 files changed, 51 insertions, 0 deletions
diff --git a/qa/spec/tools/ci/ff_changes_spec.rb b/qa/spec/tools/ci/ff_changes_spec.rb
new file mode 100644
index 00000000000..71ca26867e0
--- /dev/null
+++ b/qa/spec/tools/ci/ff_changes_spec.rb
@@ -0,0 +1,51 @@
+# frozen_string_literal: true
+
+RSpec.describe QA::Tools::Ci::FfChanges do
+  subject(:ff_changes) { described_class.new(mr_diff) }
+
+  before do
+    allow(Gitlab::QA::TestLogger).to receive(:logger).and_return(Logger.new(StringIO.new))
+  end
+
+  context "with merge request pipeline" do
+    let(:deleted_file) { false }
+    let(:mr_diff) do
+      [
+        {
+          path: "config/feature_flags/development/bulk_import_projects.yml",
+          deleted_file: deleted_file
+        }
+      ]
+    end
+
+    before do
+      allow(File).to receive(:read)
+        .with(File.expand_path("../#{mr_diff.first[:path]}", QA::Runtime::Path.qa_root))
+        .and_return(File.read("spec/fixtures/ff/bulk_import_projects.yml"))
+    end
+
+    context "with changed feature flag" do
+      it "returns inverse ff state option" do
+        expect(ff_changes.fetch).to eq("bulk_import_projects=enabled")
+      end
+    end
+
+    context "with deleted feature flag" do
+      let(:deleted_file) { true }
+
+      it "returns deleted ff state option" do
+        expect(ff_changes.fetch).to eq("bulk_import_projects=deleted")
+      end
+    end
+  end
+
+  context "without merge request pipeline" do
+    let(:mr_diff) { [] }
+
+    context "with empty mr diff" do
+      it "doesn't return any ff options" do
+        expect(ff_changes.fetch).to be_nil
+      end
+    end
+  end
+end