1 files changed, 133 insertions, 0 deletions
diff --git a/spec/models/integrations/slack_spec.rb b/spec/models/integrations/slack_spec.rb
new file mode 100644
index 00000000000..e598c528967
--- /dev/null
+++ b/spec/models/integrations/slack_spec.rb
@@ -0,0 +1,133 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Integrations::Slack do
+  it_behaves_like Integrations::SlackMattermostNotifier, "Slack"
+
+  describe '#execute' do
+    before do
+      stub_request(:post, "https://slack.service.url/")
+    end
+
+    let_it_be(:slack_service) { create(:slack_service, branches_to_be_notified: 'all') }
+
+    it 'uses only known events', :aggregate_failures do
+      described_class::SUPPORTED_EVENTS_FOR_USAGE_LOG.each do |action|
+        expect(Gitlab::UsageDataCounters::HLLRedisCounter.known_event?("i_ecosystem_slack_service_#{action}_notification")).to be true
+      end
+    end
+
+    context 'hook data includes a user object' do
+      let_it_be(:user) { create_default(:user) }
+      let_it_be(:project) { create_default(:project, :repository, :wiki_repo) }
+
+      shared_examples 'increases the usage data counter' do |event_name|
+        it 'increases the usage data counter' do
+          expect(Gitlab::UsageDataCounters::HLLRedisCounter).to receive(:track_event).with(event_name, values: user.id).and_call_original
+
+          slack_service.execute(data)
+        end
+      end
+
+      context 'event is not supported for usage log' do
+        let_it_be(:pipeline) { create(:ci_pipeline) }
+
+        let(:data) { Gitlab::DataBuilder::Pipeline.build(pipeline) }
+
+        it 'does not increase the usage data counter' do
+          expect(Gitlab::UsageDataCounters::HLLRedisCounter).not_to receive(:track_event).with('i_ecosystem_slack_service_pipeline_notification', values: user.id)
+
+          slack_service.execute(data)
+        end
+      end
+
+      context 'issue notification' do
+        let_it_be(:issue) { create(:issue) }
+
+        let(:data) { issue.to_hook_data(user) }
+
+        it_behaves_like 'increases the usage data counter', 'i_ecosystem_slack_service_issue_notification'
+      end
+
+      context 'push notification' do
+        let(:data) { Gitlab::DataBuilder::Push.build_sample(project, user) }
+
+        it_behaves_like 'increases the usage data counter', 'i_ecosystem_slack_service_push_notification'
+      end
+
+      context 'deployment notification' do
+        let_it_be(:deployment) { create(:deployment, user: user) }
+
+        let(:data) { Gitlab::DataBuilder::Deployment.build(deployment, Time.current) }
+
+        it_behaves_like 'increases the usage data counter', 'i_ecosystem_slack_service_deployment_notification'
+      end
+
+      context 'wiki_page notification' do
+        let(:wiki_page) { create(:wiki_page, wiki: project.wiki, message: 'user created page: Awesome wiki_page') }
+
+        let(:data) { Gitlab::DataBuilder::WikiPage.build(wiki_page, user, 'create') }
+
+        before do
+          # Skip this method that is not relevant to this test to prevent having
+          # to update project which is frozen
+          allow(project.wiki).to receive(:after_wiki_activity)
+        end
+
+        it_behaves_like 'increases the usage data counter', 'i_ecosystem_slack_service_wiki_page_notification'
+      end
+
+      context 'merge_request notification' do
+        let_it_be(:merge_request) { create(:merge_request) }
+
+        let(:data) { merge_request.to_hook_data(user) }
+
+        it_behaves_like 'increases the usage data counter', 'i_ecosystem_slack_service_merge_request_notification'
+      end
+
+      context 'note notification' do
+        let_it_be(:issue_note) { create(:note_on_issue, note: 'issue note') }
+
+        let(:data) { Gitlab::DataBuilder::Note.build(issue_note, user) }
+
+        it_behaves_like 'increases the usage data counter', 'i_ecosystem_slack_service_note_notification'
+      end
+
+      context 'tag_push notification' do
+        let(:oldrev) { Gitlab::Git::BLANK_SHA }
+        let(:newrev) { '8a2a6eb295bb170b34c24c76c49ed0e9b2eaf34b' } # gitlab-test: git rev-parse refs/tags/v1.1.0
+        let(:ref) { 'refs/tags/v1.1.0' }
+        let(:data) { Git::TagHooksService.new(project, user, change: { oldrev: oldrev, newrev: newrev, ref: ref }).send(:push_data) }
+
+        it_behaves_like 'increases the usage data counter', 'i_ecosystem_slack_service_tag_push_notification'
+      end
+
+      context 'confidential note notification' do
+        let_it_be(:confidential_issue_note) { create(:note_on_issue, note: 'issue note', confidential: true) }
+
+        let(:data) { Gitlab::DataBuilder::Note.build(confidential_issue_note, user) }
+
+        it_behaves_like 'increases the usage data counter', 'i_ecosystem_slack_service_confidential_note_notification'
+      end
+
+      context 'confidential issue notification' do
+        let_it_be(:issue) { create(:issue, confidential: true) }
+
+        let(:data) { issue.to_hook_data(user) }
+
+        it_behaves_like 'increases the usage data counter', 'i_ecosystem_slack_service_confidential_issue_notification'
+      end
+    end
+
+    context 'hook data does not include a user' do
+      let(:data) { Gitlab::DataBuilder::Pipeline.build(create(:ci_pipeline)) }
+
+      it 'does not increase the usage data counter' do
+        expect(Gitlab::UsageDataCounters::HLLRedisCounter).not_to receive(:track_event)
+
+        slack_service.execute(data)
+      end
+    end
+  end
+end