3 files changed, 157 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
diff --git a/qa/spec/tools/ci/non_empty_suites_spec.rb b/qa/spec/tools/ci/non_empty_suites_spec.rb
new file mode 100644
index 00000000000..d9bfe1eebe7
--- /dev/null
+++ b/qa/spec/tools/ci/non_empty_suites_spec.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+RSpec.describe QA::Tools::Ci::NonEmptySuites do
+  let(:non_empty_suites) { described_class.new(nil) }
+
+  let(:status) { instance_double(Process::Status, success?: true) }
+
+  before do
+    allow(Gitlab::QA::TestLogger).to receive(:logger).and_return(Logger.new(StringIO.new))
+    allow(Open3).to receive(:capture3).and_return(["output\n0", "", status])
+    allow(Open3).to receive(:capture3)
+      .with("bundle exec bin/qa Test::Instance::All --count-examples-only --address http://dummy1.test")
+      .and_return(["output\n1", "", status])
+  end
+
+  it "returns runnable test suites" do
+    expect(non_empty_suites.fetch).to eq("Test::Instance::All")
+  end
+end
diff --git a/qa/spec/tools/ci/qa_changes_spec.rb b/qa/spec/tools/ci/qa_changes_spec.rb
new file mode 100644
index 00000000000..bc98ec16d7f
--- /dev/null
+++ b/qa/spec/tools/ci/qa_changes_spec.rb
@@ -0,0 +1,87 @@
+# frozen_string_literal: true
+
+RSpec.describe QA::Tools::Ci::QaChanges do
+  subject(:qa_changes) { described_class.new(mr_diff, mr_labels) }
+
+  let(:mr_labels) { [] }
+
+  before do
+    allow(File).to receive(:directory?).and_return(false)
+  end
+
+  context "with spec only changes" do
+    let(:mr_diff) do
+      [
+        { path: "qa/qa/specs/features/test_spec.rb", diff: "" },
+        { path: "qa/qa/specs/features/another_test_spec.rb", diff: "" }
+      ]
+    end
+
+    it ".qa_tests return changed specs" do
+      expect(qa_changes.qa_tests).to eq(
+        "qa/specs/features/test_spec.rb qa/specs/features/another_test_spec.rb"
+      )
+    end
+
+    it ".framework_changes? return false" do
+      expect(qa_changes.framework_changes?).to eq(false)
+    end
+
+    it ".quarantine_changes? return false" do
+      expect(qa_changes.quarantine_changes?).to eq(false)
+    end
+  end
+
+  context "with framework changes" do
+    let(:mr_diff) { [{ path: "qa/qa.rb" }] }
+
+    it ".qa_tests do not return specifix specs" do
+      expect(qa_changes.qa_tests).to be_nil
+    end
+
+    it ".framework_changes? return true" do
+      expect(qa_changes.framework_changes?).to eq(true)
+    end
+
+    it ".quarantine_changes? return false" do
+      expect(qa_changes.quarantine_changes?).to eq(false)
+    end
+  end
+
+  context "with non qa changes" do
+    let(:mr_diff) { [{ path: "Gemfile" }] }
+
+    it ".framework_changes? return false" do
+      expect(qa_changes.framework_changes?).to eq(false)
+    end
+
+    it ".quarantine_changes? return false" do
+      expect(qa_changes.quarantine_changes?).to eq(false)
+    end
+
+    context "without mr labels" do
+      it ".qa_tests do not return any specific specs" do
+        expect(qa_changes.qa_tests).to be_nil
+      end
+    end
+
+    context "with mr label" do
+      let(:mr_labels) { ["devops::manage"] }
+
+      it ".qa_tests return specs for devops stage" do
+        expect(qa_changes.qa_tests.split(" ")).to include(
+          "qa/specs/features/browser_ui/1_manage/",
+          "qa/specs/features/api/1_manage/"
+        )
+      end
+    end
+  end
+
+  context "with quarantine changes" do
+    let(:mr_diff) { [{ path: "qa/qa/specs/features/test_spec.rb", diff: "+ , quarantine: true" }] }
+
+    it ".quarantine_changes? return true" do
+      expect(qa_changes.quarantine_changes?).to eq(true)
+    end
+  end
+end