Extract query variables into own module

1 files changed, 33 insertions, 0 deletions

diff --git a/spec/lib/gitlab/prometheus/query_variables_spec.rb b/spec/lib/gitlab/prometheus/query_variables_spec.rb
new file mode 100644
index 00000000000..78974cadb69
--- /dev/null
+++ b/spec/lib/gitlab/prometheus/query_variables_spec.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::Prometheus::QueryVariables do
+  describe '.call' do
+    set(:environment) { create(:environment) }
+    let(:slug) { environment.slug }
+
+    subject { described_class.call(environment) }
+
+    it { is_expected.to include(ci_environment_slug: slug) }
+
+    it do
+      is_expected.to include(environment_filter:
+                             %{container_name!="POD",environment="#{slug}"})
+    end
+
+    context 'without deployment platform' do
+      it { is_expected.to include(kube_namespace: '') }
+    end
+
+    context 'with deplyoment platform' do
+      let(:kube_namespace) { environment.deployment_platform.actual_namespace }
+
+      before do
+        create(:cluster, :provided_by_user, projects: [environment.project])
+      end
+
+      it { is_expected.to include(kube_namespace: kube_namespace) }
+    end
+  end
+end