1 files changed, 69 insertions, 0 deletions
diff --git a/qa/spec/tools/long_running_spec_reporter_spec.rb b/qa/spec/tools/long_running_spec_reporter_spec.rb
new file mode 100644
index 00000000000..1bf520c53af
--- /dev/null
+++ b/qa/spec/tools/long_running_spec_reporter_spec.rb
@@ -0,0 +1,69 @@
+# frozen_string_literal: true
+
+RSpec.describe QA::Tools::LongRunningSpecReporter do
+  include QA::Support::Helpers::StubEnv
+
+  subject(:reporter) { described_class.execute }
+
+  let(:gcs_client) { double("Fog::Storage::GoogleJSON", get_object: report) }
+  let(:slack_notifier) { double("Slack::Notifier", post: nil) }
+
+  before do
+    stub_env("SLACK_WEBHOOK", "slack_url")
+    stub_env("QA_KNAPSACK_REPORT_GCS_CREDENTIALS", "gcs_json")
+
+    allow(Fog::Storage::Google).to receive(:new)
+      .with(google_project: "gitlab-qa-resources", google_json_key_string: "gcs_json")
+      .and_return(gcs_client)
+    allow(Slack::Notifier).to receive(:new)
+      .with("slack_url", channel: "#quality-reports", username: "Spec Runtime Report")
+      .and_return(slack_notifier)
+  end
+
+  context "without specs exceeding runtime" do
+    let(:report) do
+      {
+        body: <<~JSON
+          {
+            "spec.rb": 5,
+            "spec_2.rb": 10
+          }
+        JSON
+      }
+    end
+
+    it "returns all good message" do
+      expect { reporter }.to output("No long running specs detected, all good!\n").to_stdout
+    end
+  end
+
+  context "with specs exceeding runtime" do
+    let(:report) do
+      {
+        body: <<~JSON
+          {
+            "spec.rb": 5.0,
+            "spec_2.rb": 320.0
+          }
+        JSON
+      }
+    end
+
+    let(:spec) { "spec_2.rb: 5.33 minutes" }
+
+    let(:message) do
+      <<~MSG
+        Following spec files are exceeding 5 minute runtime threshold!
+        Current average spec runtime: 5 seconds.
+      MSG
+    end
+
+    it "notifies on long running specs" do
+      expect { reporter }.to output("#{message}\n#{spec}\n").to_stdout
+      expect(slack_notifier).to have_received(:post).with(
+        icon_emoji: ":time-out:",
+        text: "#{message}\n```#{spec}```"
+      )
+    end
+  end
+end