Change formatting of a hash value in parameter validation error message

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 ### Changed
 * Change permit setting to work with parameters converted to an array or a hash
+* Change formatting of a hash value in parameter validation error message
 
 ### Fixed
 * Fix argument check against permitted values to allow nil value when optional

lib/tty/option/errors.rb

@@ -55,7 +55,7 @@ def initialize(param_or_message, value = nil)
           @param = param_or_message
 
           message = format(MESSAGE,
-                           value: value,
+                           value: format_value(value),
                            name: param.name,
                            type: param.to_sym)
         else

spec/unit/parse_spec.rb

@@ -201,7 +201,7 @@
       expect {
         cmd.parse(%w[a:1 b:2 c:3], raise_on_parse_error: true)
       }.to raise_error(TTY::Option::InvalidArgument,
-                       "value of `[:c, 3]` fails validation for 'foo' argument")
+                       "value of `c:3` fails validation for 'foo' argument")
     end
 
     it "doesn't raise on a validation rule failure and reads an error message" do
@@ -816,6 +816,21 @@
         }.to raise_error(TTY::Option::InvalidArgument,
                          "value of `12` fails validation for '--foo' option")
       end
+
+      it "validates an option given as multiple argument pairs" do
+        cmd = new_command do
+          option :foo do
+            long "--foo VAL"
+            convert :int_map
+            validate(->(val) { val[1] < 12 })
+          end
+        end
+
+        expect {
+          cmd.parse(%w[--foo a:11 b:12 c:13], raise_on_parse_error: true)
+        }.to raise_error(TTY::Option::InvalidArgument,
+                         "value of `b:12` fails validation for '--foo' option")
+      end
     end
   end