From f1edd2715a755573d7578839a3efe8473b79b5c5 Mon Sep 17 00:00:00 2001
From: David Schmitt <david.schmitt@puppet.com>
Date: Tue, 6 Sep 2016 11:18:48 +0100
Subject: (MODULES-3737) validate_legacy: refactoring

* validate_legacy now accepts undef values
* update the TypeMismatch message to include the original validate function name
* only notice, not warn, on newly allowed values
* changed previous_validation to function_name to avoid confusion with the function of the same name
* use deprecation() instead of warn(), when hitting a deprecated value
* prepare the tests and function for MODULES-3735
* rewrite validate_legacy tests to use new rspec-puppet
* move validate_re deprecation to puppet4 only
* adapt validate_re_spec
---
 lib/puppet/functions/validate_legacy.rb | 31 ++++++++++++++++---------------
 1 file changed, 16 insertions(+), 15 deletions(-)

(limited to 'lib/puppet')

diff --git a/lib/puppet/functions/validate_legacy.rb b/lib/puppet/functions/validate_legacy.rb
index b1066e2..0ba6dd8 100644
--- a/lib/puppet/functions/validate_legacy.rb
+++ b/lib/puppet/functions/validate_legacy.rb
@@ -2,48 +2,49 @@ Puppet::Functions.create_function(:validate_legacy, Puppet::Functions::InternalF
   # The function checks a value against both the target_type (new) and the previous_validation function (old).
 
   dispatch :validate_legacy do
+    scope_param
     param 'Type', :target_type
-    param 'String', :previous_validation
-    param 'NotUndef', :value
-    optional_param 'Any', :args
+    param 'String', :function_name
+    param 'Any', :value
+    optional_repeated_param 'Any', :args
   end
+
   dispatch :validate_legacy_s do
     scope_param
     param 'String', :type_string
-    param 'String', :previous_validation
-    param 'NotUndef', :value
+    param 'String', :function_name
+    param 'Any', :value
     optional_repeated_param 'Any', :args
   end
 
   def validate_legacy_s(scope, type_string, *args)
     t = Puppet::Pops::Types::TypeParser.new.parse(type_string, scope)
-    validate_legacy(t, *args)
+    validate_legacy(scope, t, *args)
   end
 
-  def validate_legacy(target_type, previous_validation, value, *prev_args)
+  def validate_legacy(scope, target_type, function_name, value, *prev_args)
     if assert_type(target_type, value)
-      if previous_validation(previous_validation, value, *prev_args)
+      if previous_validation(scope, function_name, value, *prev_args)
         # Silently passes
       else
-        Puppet.warn("Accepting previously invalid value for target_type '#{target_type}'")
+        Puppet.notice("Accepting previously invalid value for target type '#{target_type}'")
       end
     else
       caller_infos = caller.first.split(":")
       inferred_type = Puppet::Pops::Types::TypeCalculator.infer_set(value)
-      message = Puppet::Pops::Types::TypeMismatchDescriber.new.describe_mismatch(previous_validation, target_type, inferred_type)
-      error_msg = "#{message} : #{caller_infos[0]} : #{caller_infos[1]}"
-      if previous_validation(previous_validation, value, *prev_args)
-        Puppet.warn(error_msg)
+      error_msg = Puppet::Pops::Types::TypeMismatchDescriber.new.describe_mismatch("validate_legacy(#{function_name}) [#{caller_infos[0]}:#{caller_infos[1]}]", target_type, inferred_type)
+      if previous_validation(scope, function_name, value, *prev_args)
+        call_function('deprecation', 'validate_legacy', error_msg)
       else
         call_function('fail', error_msg)
       end
     end
   end
 
-  def previous_validation(previous_validation, value, *prev_args)
+  def previous_validation(scope, function_name, value, *prev_args)
     # Call the previous validation function and catch any errors. Return true if no errors are thrown.
     begin
-      call_function(previous_validation, value, *prev_args)
+      scope.send("function_#{function_name}".to_s, [value, *prev_args])
       true
     rescue Puppet::ParseError
       false
-- 
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