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from textwrap import dedent
from parso import parse, load_grammar
def test_with_stmt():
module = parse('with x: f.\na')
assert module.children[0].type == 'with_stmt'
w, with_item, colon, f = module.children[0].children
assert f.type == 'error_node'
assert f.get_code(include_prefix=False) == 'f.'
assert module.children[2].type == 'name'
def test_one_line_function(each_version):
module = parse('def x(): f.', version=each_version)
assert module.children[0].type == 'funcdef'
def_, name, parameters, colon, f = module.children[0].children
assert f.type == 'error_node'
module = parse('def x(a:', version=each_version)
func = module.children[0]
assert func.type == 'error_node'
if each_version.startswith('2'):
assert func.children[-1].value == 'a'
else:
assert func.children[-1] == ':'
def test_if_else():
module = parse('if x:\n f.\nelse:\n g(')
if_stmt = module.children[0]
if_, test, colon, suite1, else_, colon, suite2 = if_stmt.children
f = suite1.children[1]
assert f.type == 'error_node'
assert f.children[0].value == 'f'
assert f.children[1].value == '.'
g = suite2.children[1]
assert g.children[0].value == 'g'
assert g.children[1].value == '('
def test_if_stmt():
module = parse('if x: f.\nelse: g(')
if_stmt = module.children[0]
assert if_stmt.type == 'if_stmt'
if_, test, colon, f = if_stmt.children
assert f.type == 'error_node'
assert f.children[0].value == 'f'
assert f.children[1].value == '.'
assert module.children[1].type == 'newline'
assert module.children[1].value == '\n'
assert module.children[2].type == 'error_leaf'
assert module.children[2].value == 'else'
assert module.children[3].type == 'error_leaf'
assert module.children[3].value == ':'
in_else_stmt = module.children[4]
assert in_else_stmt.type == 'error_node'
assert in_else_stmt.children[0].value == 'g'
assert in_else_stmt.children[1].value == '('
def test_invalid_token():
module = parse('a + ? + b')
error_node, q, plus_b, endmarker = module.children
assert error_node.get_code() == 'a +'
assert q.value == '?'
assert q.type == 'error_leaf'
assert plus_b.type == 'factor'
assert plus_b.get_code() == ' + b'
def test_invalid_token_in_fstr():
module = load_grammar(version='3.6').parse('f"{a + ? + b}"')
error_node, q, plus_b, error1, error2, endmarker = module.children
assert error_node.get_code() == 'f"{a +'
assert q.value == '?'
assert q.type == 'error_leaf'
assert plus_b.type == 'error_node'
assert plus_b.get_code() == ' + b'
assert error1.value == '}'
assert error1.type == 'error_leaf'
assert error2.value == '"'
assert error2.type == 'error_leaf'
def test_dedent_issues1():
code = dedent('''\
class C:
@property
f
g
end
''')
module = load_grammar(version='3.8').parse(code)
klass, endmarker = module.children
suite = klass.children[-1]
assert suite.children[2].type == 'error_leaf'
assert suite.children[3].get_code(include_prefix=False) == 'f\n'
assert suite.children[5].get_code(include_prefix=False) == 'g\n'
assert suite.type == 'suite'
def test_dedent_issues2():
code = dedent('''\
class C:
@property
if 1:
g
else:
h
end
''')
module = load_grammar(version='3.8').parse(code)
klass, endmarker = module.children
suite = klass.children[-1]
assert suite.children[2].type == 'error_leaf'
if_ = suite.children[3]
assert if_.children[0] == 'if'
assert if_.children[3].type == 'suite'
assert if_.children[3].get_code() == '\n g\n'
assert if_.children[4] == 'else'
assert if_.children[6].type == 'suite'
assert if_.children[6].get_code() == '\n h\n'
assert suite.children[4].get_code(include_prefix=False) == 'end\n'
assert suite.type == 'suite'
def test_dedent_issues3():
code = dedent('''\
class C:
f
g
''')
module = load_grammar(version='3.8').parse(code)
klass, endmarker = module.children
suite = klass.children[-1]
assert len(suite.children) == 4
assert suite.children[1].get_code() == ' f\n'
assert suite.children[1].type == 'simple_stmt'
assert suite.children[2].get_code() == ''
assert suite.children[2].type == 'error_leaf'
assert suite.children[2].token_type == 'ERROR_DEDENT'
assert suite.children[3].get_code() == ' g\n'
assert suite.children[3].type == 'simple_stmt'
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