1 files changed, 27 insertions, 0 deletions
diff --git a/spec/support/prometheus/metric_builders.rb b/spec/support/prometheus/metric_builders.rb
new file mode 100644
index 00000000000..c8d056d3fc8
--- /dev/null
+++ b/spec/support/prometheus/metric_builders.rb
@@ -0,0 +1,27 @@
+module Prometheus
+  module MetricBuilders
+    def simple_query(suffix = 'a', **opts)
+      { query_range: "query_range_#{suffix}" }.merge(opts)
+    end
+
+    def simple_queries
+      [simple_query, simple_query('b', label: 'label', unit: 'unit')]
+    end
+
+    def simple_metric(title: 'title', required_metrics: [], queries: [simple_query])
+      Gitlab::Prometheus::Metric.new(title: title, required_metrics: required_metrics, weight: 1, queries: queries)
+    end
+
+    def simple_metrics(added_metric_name: 'metric_a')
+      [
+        simple_metric(required_metrics: %W(#{added_metric_name} metric_b), queries: simple_queries),
+        simple_metric(required_metrics: [added_metric_name], queries: [simple_query('empty')]),
+        simple_metric(required_metrics: %w{metric_c})
+      ]
+    end
+
+    def simple_metric_group(name: 'name', metrics: simple_metrics)
+      Gitlab::Prometheus::MetricGroup.new(name: name, priority: 1, metrics: metrics)
+    end
+  end
+end