From 5372e109c0660e4670aa987568a51082beca1b3c Mon Sep 17 00:00:00 2001
From: GitLab Bot <gitlab-bot@gitlab.com>
Date: Wed, 8 Apr 2020 15:09:29 +0000
Subject: Add latest changes from gitlab-org/gitlab@master

---
 .../create_default_alerts_worker_spec.rb           | 66 ++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 spec/workers/prometheus/create_default_alerts_worker_spec.rb

(limited to 'spec/workers')

diff --git a/spec/workers/prometheus/create_default_alerts_worker_spec.rb b/spec/workers/prometheus/create_default_alerts_worker_spec.rb
new file mode 100644
index 00000000000..1b1867d5bb6
--- /dev/null
+++ b/spec/workers/prometheus/create_default_alerts_worker_spec.rb
@@ -0,0 +1,66 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Prometheus::CreateDefaultAlertsWorker do
+  let_it_be(:project) { create(:project) }
+  let(:worker) { described_class.new }
+  let(:logger) { worker.send(:logger) }
+  let(:service) { instance_double(Prometheus::CreateDefaultAlertsService) }
+  let(:service_result) { ServiceResponse.success }
+
+  subject { described_class.new.perform(project.id) }
+
+  before do
+    allow(Prometheus::CreateDefaultAlertsService)
+      .to receive(:new).with(project: project)
+      .and_return(service)
+    allow(service).to receive(:execute)
+      .and_return(service_result)
+  end
+
+  it_behaves_like 'an idempotent worker' do
+    let(:job_args) { [project.id] }
+
+    it 'calls the service' do
+      expect(service).to receive(:execute)
+
+      subject
+    end
+
+    context 'project is nil' do
+      let(:job_args) { [nil] }
+
+      it 'does not call the service' do
+        expect(service).not_to receive(:execute)
+
+        subject
+      end
+    end
+
+    context 'when service returns an error' do
+      let(:error_message) { 'some message' }
+      let(:service_result) { ServiceResponse.error(message: error_message) }
+
+      it 'succeeds and logs the error' do
+        expect(logger)
+          .to receive(:info)
+          .with(a_hash_including('message' => error_message))
+          .exactly(worker_exec_times).times
+
+        subject
+      end
+    end
+  end
+
+  context 'when service raises an exception' do
+    let(:error_message) { 'some exception' }
+    let(:exception) { StandardError.new(error_message) }
+
+    it 're-raises exception' do
+      allow(service).to receive(:execute).and_raise(exception)
+
+      expect { subject }.to raise_error(exception)
+    end
+  end
+end
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