Addition of compat hash type for deprecation

spec/aliases/hash_spec.rb

@@ -0,0 +1,32 @@
+require 'spec_helper'
+
+if Puppet.version.to_f >= 4.5
+  describe 'test::hash', type: :class do
+    describe 'accepts hashes' do
+      [
+        {},
+        {'one' => "two"},
+        {'wan' => 3},
+        {'001' => "helly"},
+      ].each do |value|
+        describe value.inspect do
+          let(:params) {{ value: value }}
+          it { is_expected.to compile }
+        end
+      end
+    end
+    describe 'rejects other values' do
+      [
+        '',
+        'one',
+        '1',
+        [],
+      ].each do |value|
+        describe value.inspect do
+          let(:params) {{ value: value }}
+          it { is_expected.to compile.and_raise_error(/parameter 'value' expects a Stdlib::Compat::Hash/) }
+        end
+      end
+    end
+  end
+end

spec/fixtures/test/manifests/hash.pp

@@ -0,0 +1,8 @@
+# Class to test the Stdlib::Compat::Hash type alias
+class test::hash(
+    Stdlib::Compat::Hash $value,
+    ) {
+
+  notice("Success")
+
+}

types/compat/hash.pp

@@ -0,0 +1,2 @@
+# Emulate the is_hash and validate_hash functions
+type Stdlib::Compat::Hash = Hash[Any, Any]