mongodb_exporter: Add acceptance tests

spec/acceptance/mongodb_exporter_spec.rb

@@ -0,0 +1,48 @@
+require 'spec_helper_acceptance'
+
+describe 'prometheus mongodb exporter' do
+  it 'mongodb_exporter works idempotently with no errors' do
+    pp = 'include prometheus::mongodb_exporter'
+    apply_manifest(pp, catch_failures: true)
+    apply_manifest(pp, catch_changes: true)
+  end
+
+  describe service('mongodb_exporter') do
+    it { is_expected.to be_running }
+    it { is_expected.to be_enabled }
+  end
+  describe port(9216) do
+    it { is_expected.to be_listening.with('tcp6') }
+  end
+
+  describe 'mongodb_exporter update from 0.3.1 to 0.11.0' do
+    it 'is idempotent' do
+      pp = "class{'prometheus::mongodb_exporter': version => '0.3.1'}"
+      apply_manifest(pp, catch_failures: true)
+      apply_manifest(pp, catch_changes: true)
+    end
+
+    describe service('mongodb_exporter') do
+      it { is_expected.to be_running }
+      it { is_expected.to be_enabled }
+    end
+
+    describe port(9216) do
+      it { is_expected.to be_listening.with('tcp6') }
+    end
+    it 'is idempotent' do
+      pp = "class{'prometheus::mongodb_exporter': version => '0.11.0'}"
+      apply_manifest(pp, catch_failures: true)
+      apply_manifest(pp, catch_changes: true)
+    end
+
+    describe service('mongodb_exporter') do
+      it { is_expected.to be_running }
+      it { is_expected.to be_enabled }
+    end
+
+    describe port(9216) do
+      it { is_expected.to be_listening.with('tcp6') }
+    end
+  end
+end