def test_integration_line_length(tmpdir):
f = tmpdir.join('f.md')
f.write(
'```python\n'
'foo(very_very_very_very_very_very_very, long_long_long_long_long)\n'
'```\n', )
assert not blacken_docs.main((str(f), '--line-length=80'))
assert blacken_docs.main((str(f), '--line-length=50'))
assert f.read() == ('```python\n'
'foo(\n'
' very_very_very_very_very_very_very,\n'
' long_long_long_long_long,\n'
')\n'
'```\n')
def test_integration_multiple_target_version(tmpdir):
f = tmpdir.join('f.md')
f.write(
'```python\n'
'def very_very_long_function_name(\n'
' very_very_very_very_very_very,\n'
' very_very_very_very_very_very,\n'
' *long_long_long_long_long_long\n'
'):\n'
' pass\n'
'```\n', )
assert not blacken_docs.main((str(f), ))
assert not blacken_docs.main(
('--target-version', 'py27', '--target-version', 'py36', str(f)), )
def test_integration_syntax_error(tmpdir, capsys):
f = tmpdir.join('f.md')
f.write('```python\n' 'f(\n' '```\n', )
assert blacken_docs.main((str(f), ))
out, _ = capsys.readouterr()
assert out.startswith(f'{f}:1: code block parse error')
assert f.read() == ('```python\n' 'f(\n' '```\n')
def test_integration_modifies(tmpdir, capsys):
f = tmpdir.join('f.md')
f.write('```python\n' 'f(1,2,3)\n' '```\n', )
assert blacken_docs.main((str(f), ))
out, _ = capsys.readouterr()
assert out == f'{f}: Rewriting...\n'
assert f.read() == ('```python\n' 'f(1, 2, 3)\n' '```\n')
def test_integration_ignored_syntax_error(tmpdir, capsys):
f = tmpdir.join('f.md')
f.write('```python\n' 'f( )\n' '```\n' '\n' '```python\n' 'f(\n' '```\n', )
assert blacken_docs.main((str(f), '--skip-errors'))
out, _ = capsys.readouterr()
assert f.read() == ('```python\n'
'f()\n'
'```\n'
'\n'
'```python\n'
'f(\n'
'```\n')
def test_integration_filename_last(tmpdir):
f = tmpdir.join('f.md')
f.write(
'```python\n'
'def very_very_long_function_name(\n'
' very_very_very_very_very_very,\n'
' very_very_very_very_very_very,\n'
' *long_long_long_long_long_long\n'
'):\n'
' pass\n'
'```\n', )
assert not blacken_docs.main((str(f), ))
assert blacken_docs.main(('--target-version', 'py36', str(f)))
assert f.read() == ('```python\n'
'def very_very_long_function_name(\n'
' very_very_very_very_very_very,\n'
' very_very_very_very_very_very,\n'
' *long_long_long_long_long_long,\n'
'):\n'
' pass\n'
'```\n')
def test_integration_py36(tmpdir):
f = tmpdir.join('f.md')
f.write(
'```python\n'
'def very_very_long_function_name(\n'
' very_very_very_very_very_very,\n'
' very_very_very_very_very_very,\n'
' *long_long_long_long_long_long\n'
'):\n'
' pass\n'
'```\n', )
assert not blacken_docs.main((str(f), ))
assert blacken_docs.main((str(f), '--py36'))
assert f.read() == ('```python\n'
'def very_very_long_function_name(\n'
' very_very_very_very_very_very,\n'
' very_very_very_very_very_very,\n'
' *long_long_long_long_long_long,\n'
'):\n'
' pass\n'
'```\n')
def test_integration_skip_string_normalization(tmpdir):
f = tmpdir.join('f.md')
f.write(
'```python\n'
"f('hi')\n"
'```\n',
)
assert not blacken_docs.main((str(f), '--skip-string-normalization'))
assert f.read() == (
'```python\n'
"f('hi')\n"
'```\n'
)
def test_integration_ok(tmpdir, capsys):
f = tmpdir.join('f.md')
f.write(
'```python\n'
'f(1, 2, 3)\n'
'```\n',
)
assert not blacken_docs.main((str(f),))
assert not capsys.readouterr()[1]
assert f.read() == (
'```python\n'
'f(1, 2, 3)\n'
'```\n'
)