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import textwrap
from unittest import TestCase
from .. import Naming
from ..Code import _indent_chunk, UtilityCode, process_utility_ccode
class TestIndent(TestCase):
def _test_indentations(self, chunk, expected):
for indentation in range(16):
expected_indented = textwrap.indent(expected, ' ' * indentation)
for line in expected_indented.splitlines():
# Validate before the comparison that empty lines got stripped also by textwrap.indent().
self.assertTrue(line == '' or line.strip(), repr(line))
with self.subTest(indentation=indentation):
result = _indent_chunk(chunk, indentation_length=indentation)
self.assertEqual(expected_indented, result)
def test_indent_empty(self):
self._test_indentations('', '')
def test_indent_empty_lines(self):
self._test_indentations('\n', '\n')
self._test_indentations('\n'*2, '\n'*2)
self._test_indentations('\n'*3, '\n'*3)
self._test_indentations(' \n'*2, '\n'*2)
self._test_indentations('\n \n \n \n', '\n'*4)
def test_indent_one_line(self):
self._test_indentations('abc', 'abc')
def test_indent_chunk(self):
chunk = """
x = 1
if x == 2:
print("False")
else:
print("True")
"""
expected = """
x = 1
if x == 2:
print("False")
else:
print("True")
"""
self._test_indentations(chunk, expected)
def test_indent_empty_line(self):
chunk = """
x = 1
if x == 2:
print("False")
else:
print("True")
"""
expected = """
x = 1
if x == 2:
print("False")
else:
print("True")
"""
self._test_indentations(chunk, expected)
def test_indent_empty_line_unclean(self):
lines = """
x = 1
if x == 2:
print("False")
else:
print("True")
""".splitlines(keepends=True)
lines[2] = ' \n'
chunk = ''.join(lines)
expected = """
x = 1
if x == 2:
print("False")
else:
print("True")
"""
self._test_indentations(chunk, expected)
class TestUtilityCodeProcessing(TestCase):
def _process(self, code):
utility_code = UtilityCode()
formatted_code, is_module_specific = process_utility_ccode(utility_code, None, code)
self.assertFalse(is_module_specific) # cannot currently test this case
return formatted_code
def assert_formatted_code(self, code: str, expected: str, dedent=False):
if dedent:
expected = textwrap.dedent(expected)
expected = expected.strip() + '\n\n'
formatted = self._process(code)
self.assertEqual(formatted, expected)
def test_format_cstring(self):
self.assert_formatted_code('''
Some Text and a CSTRING("""
spanning "multiple" 'lines'.
Really.
"""); # end of C string
''',
expected=r'''
Some Text and a "\n"
" spanning \042multiple\042 'lines'.\n"
" Really.\n"
" \n"
; # end of C string
''',
dedent=True)
def test_cglobal(self):
self.assert_formatted_code("""
CGLOBAL(name)
NAMED_CGLOBAL(empty_tuple)
""",
expected=f"""
{Naming.modulestateglobal_cname}->name
{Naming.modulestateglobal_cname}->{Naming.empty_tuple}
""")
def test_empty_builtin(self):
self.assert_formatted_code("""
EMPTY(tuple)EMPTY(bytes)
EMPTY(tuple);EMPTY(bytes)
EMPTY(unicode)
EMPTY(bytes)
EMPTY(tuple)
""",
expected=f"""
{Naming.modulestateglobal_cname}->{Naming.empty_tuple}{Naming.modulestateglobal_cname}->{Naming.empty_bytes}
{Naming.modulestateglobal_cname}->{Naming.empty_tuple};{Naming.modulestateglobal_cname}->{Naming.empty_bytes}
{Naming.modulestateglobal_cname}->{Naming.empty_unicode}
{Naming.modulestateglobal_cname}->{Naming.empty_bytes}
{Naming.modulestateglobal_cname}->{Naming.empty_tuple}
""")
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