Add latest changes from gitlab-org/gitlab@master

1 files changed, 235 insertions, 0 deletions

diff --git a/spec/presenters/projects/prometheus/alert_presenter_spec.rb b/spec/presenters/projects/prometheus/alert_presenter_spec.rb
new file mode 100644
index 00000000000..fc6ddcbfe02
--- /dev/null
+++ b/spec/presenters/projects/prometheus/alert_presenter_spec.rb
@@ -0,0 +1,235 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Projects::Prometheus::AlertPresenter do
+  let_it_be(:project) { create(:project) }
+
+  let(:presenter) { described_class.new(alert) }
+  let(:payload) { {} }
+  let(:alert) { create(:alerting_alert, project: project, payload: payload) }
+
+  describe '#project_full_path' do
+    subject { presenter.project_full_path }
+
+    it { is_expected.to eq(project.full_path) }
+  end
+
+  describe '#starts_at' do
+    subject { presenter.starts_at }
+
+    before do
+      payload['startsAt'] = starts_at
+    end
+
+    context 'with valid datetime' do
+      let(:datetime) { Time.now }
+      let(:starts_at) { datetime.rfc3339 }
+
+      it { is_expected.to eq(datetime.rfc3339) }
+    end
+
+    context 'with invalid datetime' do
+      let(:starts_at) { 'invalid' }
+
+      it { is_expected.to be_nil }
+    end
+  end
+
+  describe '#issue_summary_markdown' do
+    let(:markdown_line_break) { '  ' }
+
+    subject { presenter.issue_summary_markdown }
+
+    context 'without default payload' do
+      it do
+        is_expected.to eq(
+          <<~MARKDOWN.chomp
+            #### Summary
+
+            **Start time:** #{presenter.starts_at}
+
+          MARKDOWN
+        )
+      end
+    end
+
+    context 'with annotations' do
+      before do
+        payload['annotations'] = { 'title' => 'Alert Title', 'foo' => 'value1', 'bar' => 'value2' }
+      end
+
+      it do
+        is_expected.to eq(
+          <<~MARKDOWN.chomp
+            #### Summary
+
+            **Start time:** #{presenter.starts_at}
+
+            #### Alert Details
+
+            **foo:** value1#{markdown_line_break}
+            **bar:** value2
+          MARKDOWN
+        )
+      end
+    end
+
+    context 'with full query' do
+      before do
+        payload['generatorURL'] = 'http://host?g0.expr=query'
+      end
+
+      it do
+        is_expected.to eq(
+          <<~MARKDOWN.chomp
+            #### Summary
+
+            **Start time:** #{presenter.starts_at}#{markdown_line_break}
+            **full_query:** `query`
+
+          MARKDOWN
+        )
+      end
+    end
+
+    context 'with the Generic Alert parameters' do
+      let(:generic_alert_params) do
+        {
+          'title' => 'The Generic Alert Title',
+          'description' => 'The Generic Alert Description',
+          'monitoring_tool' => 'monitoring_tool_name',
+          'service' => 'service_name',
+          'hosts' => ['http://localhost:3000', 'http://localhost:3001']
+        }
+      end
+
+      before do
+        payload['annotations'] = generic_alert_params
+      end
+
+      it do
+        is_expected.to eq(
+          <<~MARKDOWN.chomp
+            #### Summary
+
+            **Start time:** #{presenter.starts_at}#{markdown_line_break}
+            **Service:** service_name#{markdown_line_break}
+            **Monitoring tool:** monitoring_tool_name#{markdown_line_break}
+            **Hosts:** http://localhost:3000 http://localhost:3001
+
+            #### Alert Details
+
+            **description:** The Generic Alert Description
+          MARKDOWN
+        )
+      end
+
+      context 'when hosts is a string' do
+        before do
+          payload['annotations'] = { 'hosts' => 'http://localhost:3000' }
+        end
+
+        it do
+          is_expected.to eq(
+            <<~MARKDOWN.chomp
+            #### Summary
+
+            **Start time:** #{presenter.starts_at}#{markdown_line_break}
+            **Hosts:** http://localhost:3000
+
+            MARKDOWN
+          )
+        end
+      end
+    end
+  end
+
+  context 'with gitlab alert' do
+    let(:gitlab_alert) { create(:prometheus_alert, project: project) }
+    let(:metric_id) { gitlab_alert.prometheus_metric_id }
+
+    let(:alert) do
+      create(:alerting_alert, project: project, metric_id: metric_id)
+    end
+
+    describe '#full_title' do
+      let(:query_title) do
+        "#{gitlab_alert.title} #{gitlab_alert.computed_operator} #{gitlab_alert.threshold} for 5 minutes"
+      end
+
+      let(:expected_subject) do
+        "#{alert.environment.name}: #{query_title}"
+      end
+
+      subject { presenter.full_title }
+
+      it { is_expected.to eq(expected_subject) }
+    end
+
+    describe '#metric_query' do
+      subject { presenter.metric_query }
+
+      it { is_expected.to eq(gitlab_alert.full_query) }
+    end
+
+    describe '#environment_name' do
+      subject { presenter.environment_name }
+
+      it { is_expected.to eq(alert.environment.name) }
+    end
+
+    describe '#performance_dashboard_link' do
+      let(:expected_link) do
+        Gitlab::Routing.url_helpers
+          .metrics_project_environment_url(project, alert.environment)
+      end
+
+      subject { presenter.performance_dashboard_link }
+
+      it { is_expected.to eq(expected_link) }
+    end
+  end
+
+  context 'without gitlab alert' do
+    describe '#full_title' do
+      subject { presenter.full_title }
+
+      context 'with title' do
+        let(:title) { 'some title' }
+
+        before do
+          expect(alert).to receive(:title).and_return(title)
+        end
+
+        it { is_expected.to eq(title) }
+      end
+
+      context 'without title' do
+        it { is_expected.to eq('') }
+      end
+    end
+
+    describe '#metric_query' do
+      subject { presenter.metric_query }
+
+      it { is_expected.to be_nil }
+    end
+
+    describe '#environment_name' do
+      subject { presenter.environment_name }
+
+      it { is_expected.to be_nil }
+    end
+
+    describe '#performance_dashboard_link' do
+      let(:expected_link) do
+        Gitlab::Routing.url_helpers.metrics_project_environments_url(project)
+      end
+
+      subject { presenter.performance_dashboard_link }
+
+      it { is_expected.to eq(expected_link) }
+    end
+  end
+end