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Versions: 46
Compression:
Stored size: 1.37 KB
Contents
require File.dirname(__FILE__) + "/../spec_helper"
describe MethodObserver do
class TestObserver < MethodObserver
def before_observed_method(*args, &block); end
def after_observed_method(*args); end
end
class TestObject
def observed_method
:success
end
end
before :each do
@object = TestObject.new
@object.stub!(:before_result=).and_return(nil)
@object.stub!(:after_result=).and_return(:success)
@observer = TestObserver.new
@observer.observe(@object)
end
it "should permit only one object to be observed" do
lambda { @observer.observe(@object)}.should raise_error(MethodObserver::ObserverCannotObserveTwiceError)
end
it "should have a target equal to the observed object" do
@observer.should respond_to(:target)
@observer.target.should == @object
end
it "should invoke the before_ method before the object's method is invoked" do
@observer.should_receive(:before_observed_method) do
@observer.result.should be_nil
end
@object.observed_method.should == :success
@observer.result.should == :success
end
it "should invoke the after_ method after the object's method is invoked" do
@observer.should_receive(:after_observed_method) do
@observer.result.should == :success
end
@object.observed_method.should == :success
@observer.result.should == :success
end
end
Version data entries
46 entries across 46 versions & 5 rubygems