def test_tag_definition_copies_attributes():
root = Document('<root foo="bar"/>').root
definition = tag("test", root.attributes)
root.attributes["bar"] = "foo"
root.append_child(definition)
assert root.attributes == {"bar": "foo", "foo": "bar"}
assert root.first_child.attributes == {"foo": "bar"}
def test_clone_quick_and_unsafe(sample_document):
assert str(sample_document.root.clone(
deep=True, quick_and_unsafe=True)) == str(sample_document.root)
root = Document("<root>node a</root>").root
root.append_child("|node b")
assert str(root.clone(deep=True,
quick_and_unsafe=True)) == "<root>node a</root>"
def test_setup_long_term_references(long_term_references):
long_term_references["a_document"] = Document("<document/>")
root = Document("<root>a</root>").root
root.append_child("b")
long_term_references["appended_b"] = root.last_child
root = Document("<root>a</root>").root
root.append_child("b")
root.append_child("c")
long_term_references["appended_b_with_c"] = root.last_child
def test_wrapper_cache():
gc.collect()
assert len(_wrapper_cache.wrappers) == 0
root = Document("<root/>").root
assert len(_wrapper_cache.wrappers) == 1
root.append_child(tag("node"))
assert len(_wrapper_cache.wrappers) == 2
root.first_child.detach()
gc.collect()
assert len(_wrapper_cache.wrappers) == 1
def test_fetch_or_create_by_xpath():
root = Document("<root><intermediate/></root>").root
assert str(root.fetch_or_create_by_xpath("./test")) == "<test/>"
assert str(root) == "<root><intermediate/><test/></root>"
assert str(root.fetch_or_create_by_xpath("./intermediate/target")) == "<target/>"
assert str(root) == "<root><intermediate><target/></intermediate><test/></root>"
assert str(root.fetch_or_create_by_xpath("./intermediate/target")) == "<target/>"
assert str(root) == "<root><intermediate><target/></intermediate><test/></root>"
root.append_child(tag("intermediate"))
with pytest.raises(InvalidOperation):
root.fetch_or_create_by_xpath("./intermediate")
with pytest.raises(InvalidOperation):
root.fetch_or_create_by_xpath("./intermediate/test")
def test_processing_instruction_node():
root = Document("<root/>").root
root.append_child(new_processing_instruction_node("foo", "bar"))
with altered_default_filters():
pi = root.first_child
assert pi.target == "foo"
assert pi.content == "bar"
assert str(pi) == "<?foo bar?>"
assert pi == new_processing_instruction_node("foo", "bar")
assert pi != root
assert pi != new_processing_instruction_node("ham", "bar")
assert str(root) == "<root><?foo bar?></root>"
assert pi.new_tag_node("ham").local_name == "ham"
def test_serialization():
root = Document("<root>a</root>").root
root.append_child("b")
assert str(root) == "<root>ab</root>"
