1 files changed, 36 insertions, 0 deletions
diff --git a/spec/lib/gitlab/auto_devops/buildable_detector_spec.rb b/spec/lib/gitlab/auto_devops/buildable_detector_spec.rb
new file mode 100644
index 00000000000..42187def844
--- /dev/null
+++ b/spec/lib/gitlab/auto_devops/buildable_detector_spec.rb
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::AutoDevops::BuildableDetector do
+  describe '#buildable?' do
+    let(:project) { create(:project) }
+    let(:ref) { :head }
+
+    subject(:detector) { described_class.new(project, ref) }
+
+    context 'no matching variables or files' do
+      it 'is not buildable' do
+        expect(detector).to_not be_buildable
+      end
+    end
+
+    context 'matching variable' do
+      before do
+        create(:ci_variable, project: project, key: 'BUILDPACK_URL')
+      end
+
+      it 'is buildable' do
+        expect(detector).to be_buildable
+      end
+    end
+
+    context 'matching file' do
+      let(:project) { create(:project, :custom_repo, files: { 'Dockerfile' => '' }) }
+
+      it 'is buildable' do
+        expect(detector).to be_buildable
+      end
+    end
+  end
+end