spec/spec/matchers/have_spec.rb in rspec-1.0.4 vs spec/spec/matchers/have_spec.rb in rspec-1.0.5

@@ -45,10 +45,23 @@
       owner.should have(2).items_in_collection_with_size_method
     }.should fail_with("expected 2 items_in_collection_with_size_method, got 3")
   end
 end
 
+describe "should have(n).items where result responds to items but returns something other than a collection" do
+  it "should provide a meaningful error" do
+    owner = Class.new do
+      def items
+        Object.new
+      end
+    end.new
+    lambda do
+      owner.should have(3).items
+    end.should raise_error(RuntimeError, "expected items to be a collection but it does not respond to #length or #size")
+  end
+end
+
 describe "should_not have(n).items" do
   include HaveSpecHelper
 
   it "should pass if target has a collection of items with < n members" do
     owner = create_collection_owner_with(3)
@@ -254,6 +267,6 @@
 
 describe "have(n).things on an object which is not a collection nor contains one" do
   it "should fail" do
     lambda { Object.new.should have(2).things }.should raise_error(NoMethodError, /undefined method `things' for #<Object:/)
   end
-end
\ No newline at end of file
+end