added tests for show-method and show-doc and cd commands, added some more test helpers

test/helper.rb

@@ -10,6 +10,25 @@ Pry::RC_FILES.clear
 Pry.color = false
 Pry.should_load_rc = false
 
+# sample doc
+def sample_method
+  :sample
+end
+
+def redirect_global_pry_input_output(new_in, new_out)
+  old_in = Pry.input
+  old_out = Pry.output
+
+  Pry.input = new_in
+  Pry.output = new_out
+  begin
+    yield
+  ensure
+    Pry.input = old_in
+    Pry.output = old_out
+  end
+end
+
 def redirect_global_pry_input(new_io)
   old_io = Pry.input
     Pry.input = new_io

test/test_default_commands.rb

@@ -1,30 +1,130 @@
 require 'helper'
 
-describe Pry::Commands do
+describe "Pry::Commands" do
+
+  describe "show-method" do
+    it 'should output a method\'s source' do
+      str_output = StringIO.new
+      redirect_global_pry_input_output(InputTester.new("show-method sample_method", "exit-all"), str_output) do
+        Pry.new.repl(TOPLEVEL_BINDING)
+      end
+
+      str_output.string.should =~ /def sample/
+    end
+
+    it 'should output a method\'s source with line numbers' do
+      str_output = StringIO.new
+      redirect_global_pry_input_output(InputTester.new("show-method -l sample_method", "exit-all"), str_output) do
+        Pry.new.repl(TOPLEVEL_BINDING)
+      end
+
+      str_output.string.should =~ /\d+: def sample/
+    end
+
+    it 'should output a method\'s source if inside method without needing to use method name' do
+      $str_output = StringIO.new
+
+      o = Object.new
+      def o.sample
+        redirect_global_pry_input_output(InputTester.new("show-method", "exit-all"), $str_output) do
+          binding.pry
+        end
+      end
+      o.sample
+
+      $str_output.string.should =~ /def o.sample/
+      $str_output = nil
+    end
+
+    it 'should output a method\'s source if inside method without needing to use method name, and using the -l switch' do
+      $str_output = StringIO.new
+
+      o = Object.new
+      def o.sample
+        redirect_global_pry_input_output(InputTester.new("show-method -l", "exit-all"), $str_output) do
+          binding.pry
+        end
+      end
+      o.sample
+
+      $str_output.string.should =~ /\d+: def o.sample/
+      $str_output = nil
+    end
+
+  end
+
+  describe "show-doc" do
+    it 'should output a method\'s documentation' do
+      str_output = StringIO.new
+      redirect_global_pry_input_output(InputTester.new("show-doc sample_method", "exit-all"), str_output) do
+        Pry.new.repl(TOPLEVEL_BINDING)
+      end
+
+      str_output.string.should =~ /sample doc/
+    end
+
+    it 'should output a method\'s documentation if inside method without needing to use method name' do
+      $str_output = StringIO.new
+
+      o = Object.new
+      def o.sample
+        redirect_global_pry_input_output(InputTester.new("show-doc", "exit-all"), $str_output) do
+          binding.pry
+        end
+      end
+      o.sample
+
+      $str_output.string.should =~ /sample doc/
+      $str_output = nil
+    end
+  end
+
+
   describe "cd" do
     it 'should cd into simple input' do
-      str_output = StringIO.new
       b = Pry.binding_for(Object.new)
       b.eval("x = :mon_ouie")
 
-      redirect_global_pry_input(InputTester.new("cd x", "self.should == :mon_ouie;", "exit-all")) do
-        Pry.new(:output => str_output).rep(b)
+      redirect_global_pry_input_output(InputTester.new("cd x", "self.should == :mon_ouie;", "exit-all"), StringIO.new) do
+        Pry.new.repl(b)
       end
+    end
 
+    it 'should break out of session with cd ..' do
+      b = Pry.binding_for(:outer)
+      b.eval("x = :inner")
+
+      redirect_global_pry_input_output(InputTester.new("cd x", "self.should == :inner;", "cd ..", "self.should == :outer", "exit-all"), StringIO.new) do
+        Pry.new.repl(b)
+      end
+    end
+
+    it 'should break out to outer-most session with cd /' do
+      b = Pry.binding_for(:outer)
+      b.eval("x = :inner")
+
+      redirect_global_pry_input_output(InputTester.new("cd x", "self.should == :inner;", "cd 5", "self.should == 5", "cd /", "self.should == :outer", "exit-all"), StringIO.new) do
+        Pry.new.repl(b)
+      end
+    end
+
+    it 'should start a session on TOPLEVEL_BINDING with cd ::' do
+      b = Pry.binding_for(:outer)
+
+      redirect_global_pry_input_output(InputTester.new("cd ::", "self.should == TOPLEVEL_BINDING.eval('self')", "exit-all"), StringIO.new) do
+        Pry.new.repl(5)
+      end
     end
 
     it 'should cd into complex input (with spaces)' do
-      str_output = StringIO.new
       o = Object.new
       def o.hello(x, y, z)
         :mon_ouie
       end
 
-      redirect_global_pry_input(InputTester.new("cd hello 1, 2, 3", "exit-all")) do
-        Pry.new(:output => str_output).rep(o)
+      redirect_global_pry_input_output(InputTester.new("cd hello 1, 2, 3", "self.should == :mon_ouie", "exit-all"), StringIO.new) do
+        Pry.new.repl(o)
       end
-
-      str_output.string.should  =~ /:mon_ouie/
     end
   end
 end