1 files changed, 69 insertions, 0 deletions
diff --git a/spec/ruby/library/delegate/delegator/method_spec.rb b/spec/ruby/library/delegate/delegator/method_spec.rb
new file mode 100644
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--- /dev/null
+++ b/spec/ruby/library/delegate/delegator/method_spec.rb
@@ -0,0 +1,69 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require File.expand_path('../../fixtures/classes', __FILE__)
+
+describe "Delegator#method" do
+  before :each do
+    @simple = DelegateSpecs::Simple.new
+    @delegate = DelegateSpecs::Delegator.new(@simple)
+  end
+
+  it "returns a method object for public methods of the delegate object" do
+    m = @delegate.method(:pub)
+    m.should be_an_instance_of(Method)
+    m.call.should == :foo
+  end
+
+  it "raises a NameError for protected methods of the delegate object" do
+    lambda {
+      -> {
+        @delegate.method(:prot)
+      }.should complain(/delegator does not forward private method #prot/)
+    }.should raise_error(NameError)
+  end
+
+  it "raises a NameError for a private methods of the delegate object" do
+    lambda {
+      -> {
+        @delegate.method(:priv)
+      }.should complain(/delegator does not forward private method #priv/)
+    }.should raise_error(NameError)
+  end
+
+  it "returns a method object for public methods of the Delegator class" do
+    m = @delegate.method(:extra)
+    m.should be_an_instance_of(Method)
+    m.call.should == :cheese
+  end
+
+  it "returns a method object for protected methods of the Delegator class" do
+    m = @delegate.method(:extra_protected)
+    m.should be_an_instance_of(Method)
+    m.call.should == :baz
+  end
+
+  it "returns a method object for private methods of the Delegator class" do
+    m = @delegate.method(:extra_private)
+    m.should be_an_instance_of(Method)
+    m.call.should == :bar
+  end
+
+  it "raises a NameError for an invalid method name" do
+    lambda {
+      @delegate.method(:invalid_and_silly_method_name)
+    }.should raise_error(NameError)
+  end
+
+  it "returns a method that respond_to_missing?" do
+    m = @delegate.method(:pub_too)
+    m.should be_an_instance_of(Method)
+    m.call.should == :pub_too
+  end
+
+  it "raises a NameError if method is no longer valid because object has changed" do
+    m = @delegate.method(:pub)
+    @delegate.__setobj__([1,2,3])
+    lambda {
+      m.call
+    }.should raise_error(NameError)
+  end
+end