module_candidate.rb improved class lookup regex

Bug prevented lookup of Deeply::Nested::Class::Definitions.

Also properly differentiate when looking up docs/source for *commands* and for the class that represents the command, i.e:
show-doc show-source #=> displays show-source --help
show-doc Pry::Command::ShowSource #=> comments above class definition (as with any other class)

lib/pry/module_candidate.rb

@@ -78,7 +78,8 @@ class Pry
 
         return nil if !file.is_a?(String)
 
-        class_regexes = [/^\s*#{mod_type_string}\s*(\w*)(::)?#{wrapped.name.split(/::/).last}/,
+
+        class_regexes = [/^\s*#{mod_type_string}\s+(?:(?:\w*)::)*?#{wrapped.name.split(/::/).last}/,
                          /^\s*(::)?#{wrapped.name.split(/::/).last}\s*?=\s*?#{wrapped.class}/,
                          /^\s*(::)?#{wrapped.name.split(/::/).last}\.(class|instance)_eval/]
 

spec/code_object_spec.rb

@@ -43,7 +43,7 @@ describe Pry::CodeObject do
         @p = Pry.new
       end
 
-      it 'works' do
+      it 'should return command class' do
         @p.commands.command "jeremy-jones" do
           "lobster"
         end
@@ -52,6 +52,38 @@ describe Pry::CodeObject do
         m.source.should =~ /lobster/
       end
 
+      describe "class commands" do
+        before do
+          class LobsterLady < Pry::ClassCommand
+            match "lobster-lady"
+            description "nada."
+            def process
+              "lobster"
+            end
+          end
+        end
+
+        after do
+          Object.remove_const(:LobsterLady)
+        end
+
+        it 'should return Pry::ClassCommand class when looking up class command' do
+          Pry.commands.add_command(LobsterLady)
+          m = Pry::CodeObject.lookup("lobster-lady", binding, @p)
+          (m <= Pry::ClassCommand).should == true
+          m.source.should =~ /class LobsterLady/
+          Pry.commands.delete("lobster-lady")
+        end
+
+        it 'should return Pry::WrappedModule when looking up command class directly (as a class, not as a command)' do
+          Pry.commands.add_command(LobsterLady)
+          m = Pry::CodeObject.lookup("LobsterLady", binding, @p)
+          m.is_a?(Pry::WrappedModule).should == true
+          m.source.should =~ /class LobsterLady/
+          Pry.commands.delete("lobster-lady")
+        end
+      end
+
       it 'looks up commands by :listing name as well' do
         @p.commands.command /jeremy-.*/, "", :listing => "jeremy-baby" do
           "lobster"
@@ -215,7 +247,7 @@ describe Pry::CodeObject do
       o.is_a?(Pry::WrappedModule).should == true
     end
 
-    # actually locals are never looked up (via co.other_object)  when they're classes, it
+    # actually locals are never looked up (via co.default_lookup)  when they're classes, it
     # just falls through to co.method_or_class
     it 'should look up classes before locals' do
       c = ClassyWassy

spec/commands/show_doc_spec.rb

@@ -335,6 +335,35 @@ if !PryTestHelpers.mri18_and_no_real_source_location?
         @set.command "command with spaces", "description of a command with spaces" do; end
         pry_eval('show-doc command with spaces').should =~ /description of a command with spaces/
       end
+
+      describe "class commands" do
+        before do
+          # cute pink pincers
+          class LobsterLady < Pry::ClassCommand
+            match "lobster-lady"
+            description "nada."
+            def process
+              "lobster"
+            end
+          end
+
+          Pry.commands.add_command(LobsterLady)
+        end
+
+        after do
+          Object.remove_const(:LobsterLady)
+        end
+
+        it 'should display "help" when looking up by command name' do
+          pry_eval('show-doc lobster-lady').should =~ /nada/
+          Pry.commands.delete("lobster-lady")
+        end
+
+        it 'should display actual preceding comment for a class command, when class is used (rather than command name) when looking up' do
+          pry_eval('show-doc LobsterLady').should =~ /cute pink pincers/
+          Pry.commands.delete("lobster-lady")
+        end
+      end
     end
 
     describe "should set _file_ and _dir_" do

spec/wrapped_module_spec.rb

@@ -23,6 +23,13 @@ describe Pry::WrappedModule do
         end
 
         class ForeverAlone
+          class DoublyNested
+            # nested docs
+            class TriplyNested
+              def nested_method
+              end
+            end
+          end
         end
       end
     end
@@ -83,6 +90,11 @@ describe Pry::WrappedModule do
       it 'should return source for third ranked candidate' do
         Pry::WrappedModule(Host::CandidateTest).candidate(2).source.should =~ /test6/
       end
+
+      it 'should return source for deeply nested class' do
+        Pry::WrappedModule(Host::ForeverAlone::DoublyNested::TriplyNested).source.should =~ /nested_method/
+        Pry::WrappedModule(Host::ForeverAlone::DoublyNested::TriplyNested).source.lines.count.should == 4
+      end
     end
 
     describe "doc" do
@@ -102,6 +114,10 @@ describe Pry::WrappedModule do
       it 'should return doc for third ranked candidate' do
         Pry::WrappedModule(Host::CandidateTest).candidate(2).doc.should =~ /rank 2/
       end
+
+      it 'should return source for deeply nested class' do
+        Pry::WrappedModule(Host::ForeverAlone::DoublyNested::TriplyNested).doc.should =~ /nested docs/
+      end
     end
 
     after do