added RSpec and RSpec on Rails

vendor/gems/rspec-1.1.2/examples/pure/stubbing_example.rb

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+require File.dirname(__FILE__) + '/spec_helper'
+
+describe "A consumer of a stub" do
+  it "should be able to stub methods on any Object" do
+    obj = Object.new
+    obj.stub!(:foobar).and_return {:return_value}
+    obj.foobar.should equal(:return_value)
+  end
+end
+
+class StubbableClass
+  def self.find id
+    return :original_return
+  end
+end
+
+describe "A stubbed method on a class" do
+  it "should return the stubbed value" do
+    StubbableClass.stub!(:find).and_return(:stub_return)
+    StubbableClass.find(1).should equal(:stub_return)
+  end
+  
+  it "should revert to the original method after each spec" do
+    StubbableClass.find(1).should equal(:original_return)
+  end
+
+  it "can stub! and mock the same message" do
+    StubbableClass.stub!(:msg).and_return(:stub_value)
+    StubbableClass.should_receive(:msg).with(:arg).and_return(:mock_value)
+
+    StubbableClass.msg.should equal(:stub_value)
+    StubbableClass.msg(:other_arg).should equal(:stub_value)
+    StubbableClass.msg(:arg).should equal(:mock_value)
+    StubbableClass.msg(:another_arg).should equal(:stub_value)
+    StubbableClass.msg(:yet_another_arg).should equal(:stub_value)
+    StubbableClass.msg.should equal(:stub_value)
+  end
+end
+
+describe "A mock" do
+  it "can stub!" do
+    mock = mock("stubbing mock")
+    mock.stub!(:msg).and_return(:value)
+    (1..10).each {mock.msg.should equal(:value)}
+  end
+  
+  it "can stub! and mock" do
+    mock = mock("stubbing mock")
+    mock.stub!(:stub_message).and_return(:stub_value)
+    mock.should_receive(:mock_message).once.and_return(:mock_value)
+    (1..10).each {mock.stub_message.should equal(:stub_value)}
+    mock.mock_message.should equal(:mock_value)
+    (1..10).each {mock.stub_message.should equal(:stub_value)}
+  end
+  
+  it "can stub! and mock the same message" do
+    mock = mock("stubbing mock")
+    mock.stub!(:msg).and_return(:stub_value)
+    mock.should_receive(:msg).with(:arg).and_return(:mock_value)
+    mock.msg.should equal(:stub_value)
+    mock.msg(:other_arg).should equal(:stub_value)
+    mock.msg(:arg).should equal(:mock_value)
+    mock.msg(:another_arg).should equal(:stub_value)
+    mock.msg(:yet_another_arg).should equal(:stub_value)
+    mock.msg.should equal(:stub_value)
+  end
+end
+
+