added RSpec and RSpec on Rails

[rails.git] / vendor / gems / rspec-1.1.2 / lib / spec / mocks / error_generator.rb

diff --git a/vendor/gems/rspec-1.1.2/lib/spec/mocks/error_generator.rb b/vendor/gems/rspec-1.1.2/lib/spec/mocks/error_generator.rb
new file mode 100644 (file)
index 0000000..01d8f72
--- /dev/null
+++ b/vendor/gems/rspec-1.1.2/lib/spec/mocks/error_generator.rb
@@ -0,0 +1,84 @@
+module Spec
+  module Mocks
+    class ErrorGenerator
+      attr_writer :opts
+      
+      def initialize(target, name)
+        @target = target
+        @name = name
+      end
+      
+      def opts
+        @opts ||= {}
+      end
+
+      def raise_unexpected_message_error(sym, *args)
+        __raise "#{intro} received unexpected message :#{sym}#{arg_message(*args)}"
+      end
+      
+      def raise_unexpected_message_args_error(expectation, *args)
+        expected_args = format_args(*expectation.expected_args)
+        actual_args = args.empty? ? "(no args)" : format_args(*args)
+        __raise "#{intro} expected #{expectation.sym.inspect} with #{expected_args} but received it with #{actual_args}"
+      end
+      
+      def raise_expectation_error(sym, expected_received_count, actual_received_count, *args)
+        __raise "#{intro} expected :#{sym}#{arg_message(*args)} #{count_message(expected_received_count)}, but received it #{count_message(actual_received_count)}"
+      end
+      
+      def raise_out_of_order_error(sym)
+        __raise "#{intro} received :#{sym} out of order"
+      end
+      
+      def raise_block_failed_error(sym, detail)
+        __raise "#{intro} received :#{sym} but passed block failed with: #{detail}"
+      end
+      
+      def raise_missing_block_error(args_to_yield)
+        __raise "#{intro} asked to yield |#{arg_list(*args_to_yield)}| but no block was passed"
+      end
+      
+      def raise_wrong_arity_error(args_to_yield, arity)
+        __raise "#{intro} yielded |#{arg_list(*args_to_yield)}| to block with arity of #{arity}"
+      end
+      
+      private
+      def intro
+        @name ? "Mock '#{@name}'" : @target.inspect
+      end
+      
+      def __raise(message)
+        message = opts[:message] unless opts[:message].nil?
+        Kernel::raise(Spec::Mocks::MockExpectationError, message)
+      end
+      
+      def arg_message(*args)
+        " with " + format_args(*args)
+      end
+      
+      def format_args(*args)
+        return "(no args)" if args.empty? || args == [:no_args]
+        return "(any args)" if args == [:any_args]
+        "(" + arg_list(*args) + ")"
+      end
+
+      def arg_list(*args)
+        args.collect do |arg|
+          arg.respond_to?(:description) ? arg.description : arg.inspect
+        end.join(", ")
+      end
+      
+      def count_message(count)
+        return "at least #{pretty_print(count.abs)}" if count < 0
+        return pretty_print(count)
+      end
+
+      def pretty_print(count)
+        return "once" if count == 1
+        return "twice" if count == 2
+        return "#{count} times"
+      end
+
+    end
+  end
+end