Special handling of exceptions (prints using full_message)

CHANGELOG.md

@@ -5,6 +5,7 @@
 - Provide partial support for Opal Ruby (missing display of file name, line number, and source code)
 - `source_line_count` option
 - `wraper` option for including both `header` and `footer`
+- Special handling of exceptions (prints using full_message)
 
 ## 0.8.2
 

TODO.md

@@ -4,10 +4,6 @@ Here are tasks considered for future versions. Once done, they are moved to the
 
 ## Next
 
-### 0.9.0
-
-- Special handling of exceptions (using full_message not to_s)
-
 ### Version TBD
 
 - Support pd arg1, arg2, arg3

lib/puts_debuggerer.rb

@@ -654,7 +654,9 @@ def __build_pd_data__(object, print_engine_options=nil, source_line_count=nil)
     pd_expression: __caller_pd_expression__(depth, source_line_count),
     object: object,
     object_printer: lambda do
-      if PutsDebuggerer.print_engine.is_a?(Proc)
+      if object.is_a?(Exception) && object.respond_to?(:full_message)
+        puts object.full_message
+      elsif PutsDebuggerer.print_engine.is_a?(Proc)
         PutsDebuggerer.print_engine.call(object)
       else
         if print_engine_options.to_h.empty?

spec/lib/puts_debuggerer_spec.rb

@@ -12,30 +12,46 @@
     PutsDebuggerer.caller = nil
     PutsDebuggerer.app_path = nil
   end
+
   it 'prints file, line number, ruby expression, and evaluated string object; returns evaluated object' do
     name = 'Robert'
     expect(PutsDebuggererInvoker.dynamic_greeting(name)).to eq('Hello Robert')
     output = $stdout.string
     expect(output).to eq("[PD] #{puts_debuggerer_invoker_file}:10\n   > pd \"Hello \#{name}\"\n  => \"Hello Robert\"\n")
   end
+
   it 'prints file, line number, ruby expression, and evaluated string object without extra parentheses when already surrounded; returns evaluated object' do
     name = 'Robert'
     expect(PutsDebuggererInvoker.parentheses_dynamic_greeting(name)).to eq("Hello Robert")
     output = $stdout.string
     expect(output).to eq("[PD] #{puts_debuggerer_invoker_file}:14\n   > pd (\"Hello \#{name}\")\n  => \"Hello Robert\"\n")
   end
+
   it 'prints file, line number, ruby expression, and evaluated numeric object without quotes; returns evaluated integer' do
     expect(PutsDebuggererInvoker.numeric_squaring(3)).to eq(9)
     output = $stdout.string
     expect(output).to eq("[PD] #{puts_debuggerer_invoker_file}:18\n   > pd n*n\n  => 9\n")
   end
+
   it 'prints inside pd expression' do
     name = 'Robert'
     expect(PutsDebuggererInvoker.inside_dynamic_greeting(name)).to eq('Hello Robert')
     output = $stdout.string
     expect(output).to eq("[PD] #{puts_debuggerer_invoker_file}:35\n   > greeting = \"Hello \#{pd(name)}\"\n  => \"Robert\"\n")
   end
 
+  it 'prints exception stack trace' do
+    class FakeException < Exception
+      def full_message
+        'StackTrace'
+      end
+    end
+    e = FakeException.new
+    PutsDebuggererInvoker.exception_stack_trace(e)
+    output = $stdout.string
+    expect(output).to eq("[PD] /Users/User/code/puts_debuggerer/spec/support/puts_debuggerer_invoker.rb:48\n   > pd error\n  => StackTrace\n")
+  end
+
   context 'look into puts debuggerer blog post by tenderlove for other goodies to add'
   context 'deadlock detection support'
   context 'object allocation support' #might need to note having to load this lib first before others for this to work

spec/support/puts_debuggerer_invoker.rb

@@ -43,4 +43,8 @@ def self.multi_line_dynamic_greeting_source_line_count(name)
     pd "Hello " +
       name.to_s, source_line_count: 2
   end
+  # intentional empty line
+  def self.exception_stack_trace(error)
+    pd error
+  end
 end