def test_build_exc() -> None:
"""Test the with statement handles exceptions correctly."""
class Exc(Exception):
pass
prop = Property('Root', [])
with pytest.raises(Exc): # Should not swallow.
with prop.build() as build:
build.prop('Hi')
raise Exc
# Exception doesn't rollback.
assert_tree(Property('Root', [
Property('prop', 'Hi'),
]), prop)
prop.clear()
with prop.build() as build:
build.leaf('value')
with pytest.raises(Exc):
with build.subprop as sub:
raise Exc
assert_tree(
Property('Root', [
Property('leaf', 'value'),
Property('subprop', []),
]), prop)
def test_blockfuncs_fail_on_leaf() -> None:
"""Check that methods requiring a block fail on a leaf property."""
leaf = Property('Name', 'blah')
with pytest.raises(ValueError):
for _ in leaf.find_all("blah"):
pass
with pytest.raises(ValueError):
leaf.find_key("blah")
with pytest.raises(ValueError):
for _ in leaf:
pass
with pytest.raises(ValueError):
leaf['blah']
with pytest.raises(ValueError):
leaf['blah'] = 't'
with pytest.raises(ValueError):
leaf.int('blah')
with pytest.raises(ValueError):
leaf.bool('blah')
with pytest.raises(ValueError):
leaf.float('blah')
with pytest.raises(ValueError):
leaf.vec('blah')
with pytest.raises(ValueError):
len(leaf)
with pytest.raises(ValueError):
with leaf.build():
pass
with pytest.raises(ValueError):
leaf.ensure_exists('blah')
with pytest.raises(ValueError):
leaf.set_key(("blah", "another"), 45)
with pytest.raises(ValueError):
leaf.merge_children()
def test_build():
"""Test the .build() constructor."""
prop = Property(None, [])
with prop.build() as b:
with b.Root1:
b.Key("Value")
b.Extra("Spaces")
with b.Block:
with b.Empty:
pass
with b.Block:
with b.bare:
b.block('he\tre')
with b.Root2:
b['Name with " in it']('Value with \" inside')
b.multiline(
'text\n\tcan continue\nfor many "lines" of\n possibly '
'indented\n\ntext'
)
# Note invalid = unchanged.
b.Escapes('\t \n \\d')
with b.Oneliner:
b.name('value')
with b.CommentChecks:
b['after ']('value')
b.Flag('allowed')
b.FlagAllows('This')
b.Replaced('toreplace')
b.Replaced('alsothis')
b.Replaced('toreplace2')
b.Replaced('alsothis2')
with b.Replaced:
b.lambda_('should')
b.replace('above')
with b.Replaced:
b['lambda2']('should2')
b.replace2('above2')
assert_tree(parse_result, prop)