Fix backwards compatibility from #511

Maintain the old behavior in the case where the optional second
parameter isn't passed. Also, adding arity is backwards incompatible since
stdlib still supports 2.7, so remove that.

1 files changed, 3 insertions, 3 deletions

diff --git a/spec/functions/parsejson_spec.rb b/spec/functions/parsejson_spec.rb
index 5bea8af..a01f1f6 100755
--- a/spec/functions/parsejson_spec.rb
+++ b/spec/functions/parsejson_spec.rb
@@ -41,10 +41,10 @@ describe 'parsejson' do
 
   end
 
-  context 'with incorrect YAML data' do
-    it 'should return "nil" if a default value should be returned but is not provided' do
+  context 'with incorrect JSON data' do
+    it 'should raise an error with invalid JSON and no default' do
       is_expected.to run.with_params('').
-                         and_return(nil)
+                         and_raise_error(PSON::ParserError)
     end
 
     it 'should support a structure for a default value' do