Add acceptence test

Author: traylenator

spec/acceptance/stdlib_deferrable_epp_spec.rb

@@ -0,0 +1,50 @@
+# frozen_string_literal: true
+
+require 'spec_helper_acceptance'
+
+describe 'stdlib::deferable_epp function' do
+  let(:testfile) { (os[:family] == 'windows') ? 'C:\\test.epp' : '/tmp/test.epp' }
+
+  before(:all) do
+    apply_manifest(<<-MANIFEST)
+      $_epp = << @(EPP)
+      port=<%= $port %>
+      password=<%= $password %>
+      |EPP
+      file{ "#{testfile}"
+        ensure  => file,
+        content => $_epp,
+      }
+    MANIFEST
+  end
+
+  before(:each) do
+    rm_testfile = <<-MANIFEST
+      file { "#{testfile}.rendered":
+        ensure  => absent,
+      }
+    MANIFEST
+    apply_manifest(rm_testfile)
+  end
+
+  context 'with no deferred values' do
+    let(:pp) do
+      <<-MANIFEST
+        file{ "#{testfile}.rendered":
+          ensure  => file,
+          content => stdlib::deferred_epp(
+            $_test_file,
+            {'port' => 1234, 'password' => 'top_secret'}
+          ),
+        }
+      MANIFEST
+    end
+
+    it 'applies manifest, generates file' do
+      idempotent_apply(pp)
+      expect(file("#{testfile}.rendered")).to be_file
+      expect(file("#{testfile}.rendered").content).to match(%r{port=1234})
+      expect(file("#{testfile}.rendered").content).to match(%r{password=top_secret})
+    end
+  end
+end