all tests passing, new functionality in form of: hash args to Pry.start() for :input and :output

lib/pry.rb

@@ -9,8 +9,13 @@ require "#{direc}/pry/input"
 require "#{direc}/pry/output"
 
 class Pry
-  def self.start(target=TOPLEVEL_BINDING)
-    new.repl(target)
+  def self.start(target=TOPLEVEL_BINDING, options={})
+    options = {
+      :input => Pry.input,
+      :output => Pry.output
+    }.merge!(options)
+
+    new(options[:input], options[:output]).repl(target)
   end
 
   def self.view(obj)

lib/pry/commands.rb

@@ -0,0 +1,81 @@
+class Pry
+  class Commands
+    def initialize(val, eval_string, target, output)
+      @commands = {
+        "exit_program" => proc { output.exit_program; exit },
+        "!" => proc { |opts| output.refresh; opts[:eval_string].clear },
+        "help" => proc { |opts| output.show_help; opts[:eval_string].clear },
+        "nesting" => proc { |opts| output.show_nesting(opts[:nesting]); opts[:eval_string].clear },
+        "status" => proc do |opts|
+          output.show_status(opts[:nesting], opts[:target])
+          eval_string.clear
+        end,
+        "exit_all" => proc { throw(:breakout, 0) },
+        "exit" => proc do
+          output.exit
+          throw(:breakout, opts[:nesting].level)
+        end,
+        "ls" => proc do |opts|
+          output.ls(opts[:target])
+          opts[:eval_string].clear
+        end,
+        /^cat\s+(.+)/ => proc do |opts|
+          obj = opts[:captures].first
+          output.cat(opts[:target], obj)
+          opts[:eval_string].clear
+        end,
+        /^cd\s+(.+)/ => proc do |opts|
+          obj = opts[:captures].first
+          opts[:target].eval("#{obj}.pry")
+          opts[:eval_string].clear
+        end,
+        /^show_doc\s*(.+)/ => proc do |opts|
+          meth_name = opts[:captures].first
+          doc = opts[:target].eval("method(:#{meth_name})").comment
+          output.show_doc doc
+          opts[:eval_string].clear
+        end,
+        /^show_idoc\s*(.+)/ => proc do |opts|
+          meth_name = opts[:captures].first
+          doc = opts[:target].eval("instance_method(:#{meth_name})").comment
+          output.show_doc doc
+          opts[:eval_string].clear
+        end,
+        /^show_method\s*(.+)/ => proc do |opts|
+          meth_name = opts[:captures].first
+          code = opts[:target].eval("method(:#{meth_name})").source
+          output.show_method code
+          opts[:eval_string].clear
+        end,
+        /^show_imethod\s*(.+)/ => proc do |opts|
+          meth_name = opts[:captures].first
+          code = opts[:target].eval("instance_method(:#{meth_name})").source
+          output.show_method code
+          opts[:eval_string].clear
+        end,
+        /^jump_to\s*(\d*)/ => proc do |opts|
+          break_level = opts[:captures].first.to_i
+          output.jump_to(break_level)
+          nesting = opts[:nesting]
+
+          case break_level
+          when nesting.level
+            output.warn_already_at_level(nesting.level)
+            opts[:eval_string].clear
+          when (0...nesting.level)
+            throw(:breakout, break_level + 1)
+          else
+            output.err_invalid_nest_level(break_level,
+                                      nesting.level - 1)
+            opts[:eval_string].clear
+          end
+        end
+      end
+    end
+    
+    def process_commands(val, eval_string, target)
+      
+    end
+  end
+end
+  

test/test.rb

@@ -29,10 +29,45 @@ describe Pry do
     end
 
     describe "repl" do
-      describe "commands" do
+      describe "basic functionality" do
+        it 'should set an ivar on an object and exit the repl' do
+          input_strings = ["@x = 10", "exit"]
+          input = InputTester.new(*input_strings)
+          output = OutputTester.new
 
+          o = Object.new
+
+          pry_tester = Pry.new(input, output)
+          pry_tester.repl(o)
+
+          o.instance_variable_get(:@x).should == 10
+          output.session_end_invoked.should == true
+        end
+      end
+
+      describe "nesting" do
+        it 'should nest properly' do
+          Pry.input = InputTester.new("pry", "pry", "pry", "nesting", "exit", "exit", "exit", "exit")
+          Pry.output = OutputTester.new
+
+          def (Pry.output).show_nesting(level)
+            class << self; attr_reader :nest_output; end
+            @nest_output = level.last.first
+          end
+
+          o = Object.new
+
+          pry_tester = Pry.new
+          pry_tester.repl(o)
+
+          Pry.output.nest_output.should == 3
+        end
+      end
+
+      describe "commands" do
         before do
           Pry.input = InputTester.new("exit")
+
           Pry.output = OutputTester.new
         end
 
@@ -40,7 +75,8 @@ describe Pry do
           Pry.reset_defaults
         end
 
-        { "!" => "refresh",
+        commands = {
+          "!" => "refresh",
           "help" => "show_help",
           "nesting" => "show_nesting",
           "status" => "show_status",
@@ -52,12 +88,14 @@ describe Pry do
           "show_doc test_method" => "show_doc",
           "show_idoc test_method" => "show_doc",
           "jump_to 0" => "jump_to"
-        }.each do |command, meth|
+        }
+        
+        commands.each do |command, meth|
 
           eval %{
             it "should invoke output##{meth}  when #{command} command entered" do
               input_strings = ["#{command}", "exit"]
-              input = InputTester.new(input_strings)
+              input = InputTester.new(*input_strings)
               output = OutputTester.new
               o = Class.new
           
@@ -68,34 +106,31 @@ describe Pry do
               output.session_end_invoked.should == true
             end
           }
+        end
         
+        commands.each do |command, meth|
 
-          # it "should invoke output#help when help command entered" do
-          #   input_strings = ["help", "exit"]
-          #   input = InputTester.new(input_strings)
-          #   output = OutputTester.new
-          #   o = Object.new
+          eval %{
+            it "should raise when trying to invoke #{command} command with preceding whitespace" do
+              input_strings = [" #{command}", "exit"]
+              input = InputTester.new(*input_strings)
+              output = OutputTester.new
+              o = Class.new
           
-          #   pry_tester = Pry.new(input, output)
-          #   pry_tester.repl(o)
+              pry_tester = Pry.new(input, output)
+              pry_tester.repl(o)
 
-          #   output.show_help_invoked.should == true
-          #   output.session_end_invoked.should == true
-          # end
+              if "#{command}" != "!"
+                output.output_buffer.is_a?(NameError).should == true
+              else
 
-          # it 'should set an ivar on an object and exit the repl' do
-          #   input_strings = ["@x = 10", "exit"]
-          #   input = InputTester.new(input_strings)
-          #   output = OutputTester.new
-
-          #   o = Object.new
-
-          #   pry_tester = Pry.new(input, output)
-          #   pry_tester.repl(o)
-
-          #   o.instance_variable_get(:@x).should == 10
-          #   output.session_end_invoked.should == true
-          # end
+                # because entering " !" in pry doesnt cause error, it
+                # just creates a wait prompt which the subsquent
+                # "exit" escapes from
+                output.output_buffer.should == ""
+              end
+            end
+          }
         end
       end
     end

test/test_helper.rb

@@ -4,9 +4,9 @@ class Object
 end
 
 class InputTester
-  def initialize(actions)
-    @orig_actions = Array(actions.dup)
-    @actions = Array(actions)
+  def initialize(*actions)
+    @orig_actions = actions.dup
+    @actions = actions
   end
 
   def read(*)
@@ -27,7 +27,6 @@ class OutputTester
 
   def print(val)
     @output_buffer = val
-    puts val.inspect
   end
 
   def method_missing(meth_name, *args, &block)