1 files changed, 57 insertions, 0 deletions
diff --git a/spec/services/ml/create_candidate_service_spec.rb b/spec/services/ml/create_candidate_service_spec.rb
new file mode 100644
index 00000000000..fb3456b0bcc
--- /dev/null
+++ b/spec/services/ml/create_candidate_service_spec.rb
@@ -0,0 +1,57 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe ::Ml::CreateCandidateService, feature_category: :mlops do
+  describe '#execute' do
+    let_it_be(:model_version) { create(:ml_model_versions) }
+    let_it_be(:experiment) { create(:ml_experiments, project: model_version.project) }
+
+    let(:params) { {} }
+
+    subject(:candidate) { described_class.new(experiment, params).execute }
+
+    context 'with default parameters' do
+      it 'creates a candidate' do
+        expect { candidate }.to change { experiment.candidates.count }.by(1)
+      end
+
+      it 'gives a fake name' do
+        expect(candidate.name).to match(/[a-z]+-[a-z]+-[a-z]+-\d+/)
+      end
+
+      it 'sets the correct values', :aggregate_failures do
+        expect(candidate.start_time).to eq(0)
+        expect(candidate.experiment).to be(experiment)
+        expect(candidate.project).to be(experiment.project)
+        expect(candidate.user).to be_nil
+      end
+    end
+
+    context 'when parameters are passed' do
+      let(:params) do
+        {
+          start_time: 1234,
+          name: 'candidate_name',
+          model_version: model_version,
+          user: experiment.user
+        }
+      end
+
+      context 'with default parameters' do
+        it 'creates a candidate' do
+          expect { candidate }.to change { experiment.candidates.count }.by(1)
+        end
+
+        it 'sets the correct values', :aggregate_failures do
+          expect(candidate.start_time).to eq(1234)
+          expect(candidate.experiment).to be(experiment)
+          expect(candidate.project).to be(experiment.project)
+          expect(candidate.user).to be(experiment.user)
+          expect(candidate.name).to eq('candidate_name')
+          expect(candidate.model_version_id).to eq(model_version.id)
+        end
+      end
+    end
+  end
+end