Improve yum::copr idempotency

Fixes #340

manifests/copr.pp

@@ -27,25 +27,26 @@
   }
 
   if $facts['package_provider'] == 'dnf' {
+    $copr_name = regsubst($copr_repo, '@', 'group_')
     case $ensure {
       'enabled': {
         exec { "dnf -y copr enable ${copr_repo}":
           path    => '/bin:/usr/bin:/sbin/:/usr/sbin',
-          unless  => "dnf copr list | egrep -q '${copr_repo}\$'",
+          unless  => "dnf copr list | egrep -q '${copr_name}\$'",
           require => Package[$prereq_plugin],
         }
       }
       'disabled': {
         exec { "dnf -y copr disable ${copr_repo}":
           path    => '/bin:/usr/bin:/sbin/:/usr/sbin',
-          unless  => "dnf copr list | egrep -q '${copr_repo} (disabled)\$'",
+          unless  => "dnf copr list | egrep -q '${copr_name} \\(disabled\\)\$'",
           require => Package[$prereq_plugin],
         }
       }
       'removed': {
         exec { "dnf -y copr remove ${copr_repo}":
           path    => '/bin:/usr/bin:/sbin/:/usr/sbin',
-          onlyif  => "dnf copr list | egrep -q '${copr_repo}'",
+          onlyif  => "dnf copr list | egrep -q '${copr_name}'",
           require => Package[$prereq_plugin],
         }
       }

spec/acceptance/copr_spec.rb

@@ -0,0 +1,63 @@
+# frozen_string_literal: true
+
+require 'spec_helper_acceptance'
+
+describe 'yum::copr' do
+  context 'when @caddy/caddy and copart/restic are enabled' do
+    # Using puppet_apply as a helper
+    it 'must work idempotently with no errors' do
+      pp = <<-PUPPET
+      yum::copr { ['@caddy/caddy', 'copart/restic']: }
+      PUPPET
+
+      # Run it twice and test for idempotency
+      apply_manifest(pp, catch_failures: true)
+      apply_manifest(pp, catch_changes:  true)
+    end
+
+    describe command('dnf copr list') do
+      its(:stdout) { is_expected.to match(%r{^copr.fedorainfracloud.org/copart/restic$}) }
+      its(:stdout) { is_expected.to match(%r{^copr.fedorainfracloud.org/group_caddy/caddy$}) }
+    end
+  end
+
+  context 'when copart/restic is disabled' do
+    # Using puppet_apply as a helper
+    it 'must work idempotently with no errors' do
+      pp = <<-PUPPET
+      yum::copr { ['@caddy/caddy', 'copart/restic']:
+        ensure => 'disabled',
+      }
+      PUPPET
+
+      # Run it twice and test for idempotency
+      apply_manifest(pp, catch_failures: true)
+      apply_manifest(pp, catch_changes:  true)
+    end
+
+    describe command('dnf copr list') do
+      its(:stdout) { is_expected.to match(%r{^copr.fedorainfracloud.org/copart/restic \(disabled\)$}) }
+      its(:stdout) { is_expected.to match(%r{^copr.fedorainfracloud.org/group_caddy/caddy \(disabled\)$}) }
+    end
+  end
+
+  context 'when copart/restic is removed' do
+    # Using puppet_apply as a helper
+    it 'must work idempotently with no errors' do
+      pp = <<-PUPPET
+      yum::copr { ['@caddy/caddy', 'copart/restic']:
+        ensure => 'removed',
+      }
+      PUPPET
+
+      # Run it twice and test for idempotency
+      apply_manifest(pp, catch_failures: true)
+      apply_manifest(pp, catch_changes:  true)
+    end
+
+    describe command('dnf copr list') do
+      its(:stdout) { is_expected.not_to match(%r{^copr.fedorainfracloud.org/copart/restic$}) }
+      its(:stdout) { is_expected.not_to match(%r{^copr.fedorainfracloud.org/group_caddy/caddy$}) }
+    end
+  end
+end