Files
bonobo/tests/test_commands.py

308 lines
9.7 KiB
Python

import functools
import io
import os
import runpy
import sys
from contextlib import redirect_stdout, redirect_stderr
from unittest.mock import patch
import pkg_resources
import pytest
from bonobo import __main__, __version__, get_examples_path
from bonobo.commands import entrypoint
from bonobo.commands.download import EXAMPLES_BASE_URL
def runner(f):
@functools.wraps(f)
def wrapped_runner(*args, catch_errors=False):
with redirect_stdout(io.StringIO()) as stdout, redirect_stderr(io.StringIO()) as stderr:
try:
f(list(args))
except BaseException as exc:
if not catch_errors:
raise
elif isinstance(catch_errors, BaseException) and not isinstance(exc, catch_errors):
raise
return stdout.getvalue(), stderr.getvalue(), exc
return stdout.getvalue(), stderr.getvalue()
return wrapped_runner
@runner
def runner_entrypoint(args):
""" Run bonobo using the python command entrypoint directly (bonobo.commands.entrypoint). """
return entrypoint(args)
@runner
def runner_module(args):
""" Run bonobo using the bonobo.__main__ file, which is equivalent as doing "python -m bonobo ..."."""
with patch.object(sys, 'argv', ['bonobo', *args]):
return runpy.run_path(__main__.__file__, run_name='__main__')
all_runners = pytest.mark.parametrize('runner', [runner_entrypoint, runner_module])
def test_entrypoint():
commands = {}
for command in pkg_resources.iter_entry_points('bonobo.commands'):
commands[command.name] = command
assert not {
'convert',
'init',
'inspect',
'run',
'version',
}.difference(set(commands))
@all_runners
def test_no_command(runner):
_, err, exc = runner(catch_errors=True)
assert type(exc) == SystemExit
assert 'error: the following arguments are required: command' in err
@all_runners
def test_run(runner):
out, err = runner('run', '--quiet', get_examples_path('types/strings.py'))
out = out.split('\n')
assert out[0].startswith('Foo ')
assert out[1].startswith('Bar ')
assert out[2].startswith('Baz ')
@all_runners
def test_run_module(runner):
out, err = runner('run', '--quiet', '-m', 'bonobo.examples.types.strings')
out = out.split('\n')
assert out[0].startswith('Foo ')
assert out[1].startswith('Bar ')
assert out[2].startswith('Baz ')
@all_runners
def test_run_path(runner):
out, err = runner('run', '--quiet', get_examples_path('types'))
out = out.split('\n')
assert out[0].startswith('Foo ')
assert out[1].startswith('Bar ')
assert out[2].startswith('Baz ')
@all_runners
def test_install_requirements_for_dir(runner):
dirname = get_examples_path('types')
with patch('bonobo.commands.run._install_requirements') as install_mock:
runner('run', '--install', dirname)
install_mock.assert_called_once_with(os.path.join(dirname, 'requirements.txt'))
@all_runners
def test_install_requirements_for_file(runner):
dirname = get_examples_path('types')
with patch('bonobo.commands.run._install_requirements') as install_mock:
runner('run', '--install', os.path.join(dirname, 'strings.py'))
install_mock.assert_called_once_with(os.path.join(dirname, 'requirements.txt'))
@all_runners
def test_version(runner):
out, err = runner('version')
out = out.strip()
assert out.startswith('bonobo ')
assert __version__ in out
out, err = runner('version', '-q')
out = out.strip()
assert out.startswith('bonobo ')
assert __version__ in out
out, err = runner('version', '-qq')
out = out.strip()
assert not out.startswith('bonobo ')
assert __version__ in out
@all_runners
def test_download_works_for_examples(runner):
expected_bytes = b'hello world'
class MockResponse(object):
def __init__(self):
self.status_code = 200
def iter_content(self, *args, **kwargs):
return [expected_bytes]
def __enter__(self):
return self
def __exit__(self, *args, **kwargs):
pass
fout = io.BytesIO()
fout.close = lambda: None
with patch('bonobo.commands.download._open_url') as mock_open_url, \
patch('bonobo.commands.download.open') as mock_open:
mock_open_url.return_value = MockResponse()
mock_open.return_value = fout
runner('download', 'examples/datasets/coffeeshops.txt')
expected_url = EXAMPLES_BASE_URL + 'datasets/coffeeshops.txt'
mock_open_url.assert_called_once_with(expected_url)
assert fout.getvalue() == expected_bytes
@all_runners
def test_download_fails_non_example(runner):
with pytest.raises(ValueError):
runner('download', 'something/entirely/different.txt')
@pytest.fixture
def env1(tmpdir):
env_file = tmpdir.join('.env_one')
env_file.write('\n'.join((
'SECRET=unknown',
'PASSWORD=sweet',
'PATH=first',
)))
return str(env_file)
@pytest.fixture
def env2(tmpdir):
env_file = tmpdir.join('.env_two')
env_file.write('\n'.join((
'PASSWORD=bitter',
"PATH='second'",
)))
return str(env_file)
all_environ_targets = pytest.mark.parametrize(
'target', [
(get_examples_path('environ.py'), ),
(
'-m',
'bonobo.examples.environ',
),
]
)
@all_runners
@all_environ_targets
class EnvironmentTestCase():
def run_quiet(self, runner, *args):
return runner('run', '--quiet', *args)
def run_environ(self, runner, *args, environ=None):
_environ = {'PATH': '/usr/bin'}
if environ:
_environ.update(environ)
with patch.dict('os.environ', _environ, clear=True):
out, err = self.run_quiet(runner, *args)
assert 'SECRET' not in os.environ
assert 'PASSWORD' not in os.environ
if 'PATH' in _environ:
assert 'PATH' in os.environ
assert os.environ['PATH'] == _environ['PATH']
assert err == ''
return dict(map(lambda line: line.split(' ', 1), filter(None, out.split('\n'))))
class TestDefaultEnvFile(EnvironmentTestCase):
def test_run_with_default_env_file(self, runner, target, env1):
env = self.run_environ(runner, *target, '--default-env-file', env1)
assert env.get('SECRET') == 'unknown'
assert env.get('PASSWORD') == 'sweet'
assert env.get('PATH') == '/usr/bin'
def test_run_with_multiple_default_env_files(self, runner, target, env1, env2):
env = self.run_environ(runner, *target, '--default-env-file', env1, '--default-env-file', env2)
assert env.get('SECRET') == 'unknown'
assert env.get('PASSWORD') == 'sweet'
assert env.get('PATH') == '/usr/bin'
env = self.run_environ(runner, *target, '--default-env-file', env2, '--default-env-file', env1)
assert env.get('SECRET') == 'unknown'
assert env.get('PASSWORD') == 'bitter'
assert env.get('PATH') == '/usr/bin'
class TestEnvFile(EnvironmentTestCase):
def test_run_with_file(self, runner, target, env1):
env = self.run_environ(runner, *target, '--env-file', env1)
assert env.get('SECRET') == 'unknown'
assert env.get('PASSWORD') == 'sweet'
assert env.get('PATH') == 'first'
def test_run_with_multiple_files(self, runner, target, env1, env2):
env = self.run_environ(runner, *target, '--env-file', env1, '--env-file', env2)
assert env.get('SECRET') == 'unknown'
assert env.get('PASSWORD') == 'bitter'
assert env.get('PATH') == 'second'
env = self.run_environ(runner, *target, '--env-file', env2, '--env-file', env1)
assert env.get('SECRET') == 'unknown'
assert env.get('PASSWORD') == 'sweet'
assert env.get('PATH') == 'first'
class TestEnvFileCombinations(EnvironmentTestCase):
def test_run_with_both_env_files(self, runner, target, env1, env2):
env = self.run_environ(runner, *target, '--default-env-file', env1, '--env-file', env2)
assert env.get('SECRET') == 'unknown'
assert env.get('PASSWORD') == 'bitter'
assert env.get('PATH') == 'second'
def test_run_with_both_env_files_then_overrides(self, runner, target, env1, env2):
env = self.run_environ(
runner, *target, '--default-env-file', env1, '--env-file', env2, '--env', 'PASSWORD=mine', '--env',
'SECRET=s3cr3t'
)
assert env.get('SECRET') == 's3cr3t'
assert env.get('PASSWORD') == 'mine'
assert env.get('PATH') == 'second'
class TestEnvVars(EnvironmentTestCase):
def test_run_no_env(self, runner, target):
env = self.run_environ(runner, *target, environ={'USER': 'romain'})
assert env.get('USER') == 'romain'
def test_run_env(self, runner, target):
env = self.run_environ(runner, *target, '--env', 'USER=serious', environ={'USER': 'romain'})
assert env.get('USER') == 'serious'
def test_run_env_mixed(self, runner, target):
env = self.run_environ(runner, *target, '--env', 'ONE=1', '--env', 'TWO="2"', environ={'USER': 'romain'})
assert env.get('USER') == 'romain'
assert env.get('ONE') == '1'
assert env.get('TWO') == '2'
def test_run_default_env(self, runner, target):
env = self.run_environ(runner, *target, '--default-env', 'USER=clown')
assert env.get('USER') == 'clown'
env = self.run_environ(runner, *target, '--default-env', 'USER=clown', environ={'USER': 'romain'})
assert env.get('USER') == 'romain'
env = self.run_environ(
runner, *target, '--env', 'USER=serious', '--default-env', 'USER=clown', environ={
'USER': 'romain'
}
)
assert env.get('USER') == 'serious'