def test_clear_observered_resources_for_filtered_observers(self):
sample_file = self.project.root.create_file('myfile.txt')
sample_observer = _SampleObserver()
filtered = FilteredResourceObserver(sample_observer)
self.project.add_observer(filtered)
filtered.add_resource(sample_file)
filtered.clear_resources()
sample_file.write('1')
self.assertEquals(0, sample_observer.change_count)
def test_clear_observered_resources_for_filtered_observers(self):
sample_file = self.project.root.create_file("myfile.txt")
sample_observer = _SampleObserver()
filtered = FilteredResourceObserver(sample_observer)
self.project.add_observer(filtered)
filtered.add_resource(sample_file)
filtered.clear_resources()
sample_file.write("1")
self.assertEquals(0, sample_observer.change_count)
def test_removing_and_adding_resources_to_filtered_observer(self):
my_file = self.project.root.create_file('my_file.txt')
sample_observer = _SampleObserver()
filtered_observer = FilteredResourceObserver(sample_observer)
self.project.add_observer(filtered_observer)
my_file.write('1')
self.assertEquals(0, sample_observer.change_count)
filtered_observer.add_resource(my_file)
my_file.write('2')
self.assertEquals(1, sample_observer.change_count)
filtered_observer.remove_resource(my_file)
my_file.write('3')
self.assertEquals(1, sample_observer.change_count)
def test_removing_and_adding_resources_to_filtered_observer(self):
my_file = self.project.root.create_file("my_file.txt")
sample_observer = _SampleObserver()
filtered_observer = FilteredResourceObserver(sample_observer)
self.project.add_observer(filtered_observer)
my_file.write("1")
self.assertEquals(0, sample_observer.change_count)
filtered_observer.add_resource(my_file)
my_file.write("2")
self.assertEquals(1, sample_observer.change_count)
filtered_observer.remove_resource(my_file)
my_file.write("3")
self.assertEquals(1, sample_observer.change_count)