1 files changed, 68 insertions, 0 deletions
diff --git a/spec/lib/generators/gitlab/snowplow_event_definition_generator_spec.rb b/spec/lib/generators/gitlab/snowplow_event_definition_generator_spec.rb
new file mode 100644
index 00000000000..25c4001a192
--- /dev/null
+++ b/spec/lib/generators/gitlab/snowplow_event_definition_generator_spec.rb
@@ -0,0 +1,68 @@
+# frozen_string_literal: true
+
+require 'generator_helper'
+
+RSpec.describe Gitlab::SnowplowEventDefinitionGenerator do
+  let(:ce_temp_dir) { Dir.mktmpdir }
+  let(:ee_temp_dir) { Dir.mktmpdir }
+  let(:generator_options) { { 'category' => 'Groups::EmailCampaignsController', 'action' => 'click' } }
+
+  before do
+    stub_const("#{described_class}::CE_DIR", ce_temp_dir)
+    stub_const("#{described_class}::EE_DIR", ee_temp_dir)
+  end
+
+  after do
+    FileUtils.rm_rf([ce_temp_dir, ee_temp_dir])
+  end
+
+  describe 'Creating event definition file' do
+    before do
+      stub_const('Gitlab::VERSION', '13.11.0-pre')
+    end
+
+    let(:sample_event_dir) { 'lib/generators/gitlab/snowplow_event_definition_generator' }
+
+    it 'creates CE event definition file using the template' do
+      sample_event = ::Gitlab::Config::Loader::Yaml.new(fixture_file(File.join(sample_event_dir, 'sample_event.yml'))).load_raw!
+
+      described_class.new([], generator_options).invoke_all
+
+      event_definition_path = File.join(ce_temp_dir, 'groups__email_campaigns_controller_click.yml')
+      expect(::Gitlab::Config::Loader::Yaml.new(File.read(event_definition_path)).load_raw!).to eq(sample_event)
+    end
+
+    context 'event definition already exists' do
+      before do
+        stub_const('Gitlab::VERSION', '12.11.0-pre')
+        described_class.new([], generator_options).invoke_all
+      end
+
+      it 'overwrites event definition --force flag set to true' do
+        sample_event = ::Gitlab::Config::Loader::Yaml.new(fixture_file(File.join(sample_event_dir, 'sample_event.yml'))).load_raw!
+
+        stub_const('Gitlab::VERSION', '13.11.0-pre')
+        described_class.new([], generator_options.merge('force' => true)).invoke_all
+
+        event_definition_path = File.join(ce_temp_dir, 'groups__email_campaigns_controller_click.yml')
+        event_data = ::Gitlab::Config::Loader::Yaml.new(File.read(event_definition_path)).load_raw!
+
+        expect(event_data).to eq(sample_event)
+      end
+
+      it 'raises error when --force flag set to false' do
+        expect { described_class.new([], generator_options.merge('force' => false)).invoke_all }
+          .to raise_error(StandardError, /Event definition already exists at/)
+      end
+    end
+
+    it 'creates EE event definition file using the template' do
+      sample_event = ::Gitlab::Config::Loader::Yaml.new(fixture_file(File.join(sample_event_dir, 'sample_event_ee.yml'))).load_raw!
+
+      described_class.new([], generator_options.merge('ee' => true)).invoke_all
+
+      event_definition_path = File.join(ee_temp_dir, 'groups__email_campaigns_controller_click.yml')
+      expect(::Gitlab::Config::Loader::Yaml.new(File.read(event_definition_path)).load_raw!).to eq(sample_event)
+    end
+  end
+end