def test_ordering_of_placeholders_is_preserved():
before = ConcreteTemplate({'content': '((dog)) ((cat)) ((rat))'})
after = ConcreteTemplate(
{'content': '((platypus)) ((echidna)) ((quokka))'})
change = TemplateChange(before, after)
assert change.placeholders_removed == ['dog', 'cat', 'rat'
] == before.placeholders
assert change.placeholders_added == ['platypus', 'echidna', 'quokka'
] == after.placeholders
def compare_to(self, new):
return TemplateChange(self, new)
def test_placeholders_removed(old_template, new_template,
placeholders_removed):
assert TemplateChange(
old_template,
new_template).placeholders_removed == placeholders_removed
def test_checking_for_difference_between_templates(old_template, new_template,
should_differ):
assert TemplateChange(
old_template, new_template).has_different_placeholders == should_differ