add acceptance test for update from 0.7.1 to 0.9.0

spec/acceptance/haproxy_exporter_spec.rb

@@ -0,0 +1,56 @@
+require 'spec_helper_acceptance'
+
+describe 'prometheus haproxy_exporter' do
+  it 'haproxy_exporter works idempotently with no errors' do
+    if default[:platform] =~ %r{ubuntu-18.04-amd64}
+      pp = "package{'iproute2': ensure => present}"
+      apply_manifest(pp, catch_failures: true)
+    end
+    pp = 'include prometheus::haproxy_exporter'
+    # Run it twice and test for idempotency
+    apply_manifest(pp, catch_failures: true)
+    apply_manifest(pp, catch_changes: true)
+  end
+
+  describe service('haproxy_exporter') do
+    it { is_expected.to be_running }
+    it { is_expected.to be_enabled }
+  end
+
+  describe port(9101) do
+    it { is_expected.to be_listening.with('tcp6') }
+  end
+
+  describe 'haproxy_exporter update from 0.7.1 to 0.9.0' do
+    it 'is idempotent' do
+      pp = "class{'prometheus::haproxy_exporter': version => '0.7.1'}"
+      # Run it twice and test for idempotency
+      apply_manifest(pp, catch_failures: true)
+      apply_manifest(pp, catch_changes: true)
+    end
+
+    describe service('haproxy_exporter') do
+      it { is_expected.to be_running }
+      it { is_expected.to be_enabled }
+    end
+
+    describe port(9101) do
+      it { is_expected.to be_listening.with('tcp6') }
+    end
+    it 'is idempotent' do
+      pp = "class{'prometheus::haproxy_exporter': version => '0.9.0'}"
+      # Run it twice and test for idempotency
+      apply_manifest(pp, catch_failures: true)
+      apply_manifest(pp, catch_changes: true)
+    end
+
+    describe service('haproxy_exporter') do
+      it { is_expected.to be_running }
+      it { is_expected.to be_enabled }
+    end
+
+    describe port(9101) do
+      it { is_expected.to be_listening.with('tcp6') }
+    end
+  end
+end