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#!/usr/bin/env python3
# Copyright 2020 The Pigweed Authors
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
"""Tests for presubmit tools."""
import dataclasses
import re
import unittest
from pw_presubmit import presubmit
class TestFileFilter(unittest.TestCase):
"""Test FileFilter class"""
@dataclasses.dataclass
class TestData:
filter: presubmit.FileFilter
value: str
expected: bool
test_scenarios = (
TestData(presubmit.FileFilter(endswith=('bar', 'foo')), 'foo', True),
TestData(presubmit.FileFilter(endswith=('bar', 'boo')), 'foo', False),
TestData(
presubmit.FileFilter(exclude=(re.compile('a/.+'),), name=('foo',)),
'/a/b/c/foo',
False,
),
TestData(
presubmit.FileFilter(exclude=(re.compile('x/.+'),), name=('foo',)),
'/a/b/c/foo',
True,
),
TestData(
presubmit.FileFilter(exclude=(re.compile('a+'), re.compile('b+'))),
'cccc',
True,
),
TestData(presubmit.FileFilter(name=('foo',)), 'foo', True),
TestData(presubmit.FileFilter(name=('foo',)), 'food', False),
TestData(presubmit.FileFilter(name=(re.compile('foo'),)), 'foo', True),
TestData(
presubmit.FileFilter(name=(re.compile('foo'),)), 'food', False
),
TestData(presubmit.FileFilter(name=(re.compile('fo+'),)), 'foo', True),
TestData(presubmit.FileFilter(name=(re.compile('fo+'),)), 'fd', False),
TestData(
presubmit.FileFilter(suffix=('.exe',)), 'a/b.py/foo.exe', True
),
TestData(
presubmit.FileFilter(suffix=('.py',)), 'a/b.py/foo.exe', False
),
TestData(
presubmit.FileFilter(suffix=('.exe',)), 'a/b.py/foo.py.exe', True
),
TestData(
presubmit.FileFilter(suffix=('.py',)), 'a/b.py/foo.py.exe', False
),
TestData(presubmit.FileFilter(suffix=('.a', '.b')), 'foo.b', True),
TestData(presubmit.FileFilter(suffix=('.a', '.b')), 'foo.c', False),
)
def test_matches(self):
for test_num, test_data in enumerate(self.test_scenarios):
with self.subTest(i=test_num):
self.assertEqual(
test_data.filter.matches(test_data.value),
test_data.expected,
)
def _fake_function_1(_):
"""Fake presubmit function."""
def _fake_function_2(_):
"""Fake presubmit function."""
def _all_substeps(program):
substeps = {}
for step in program:
# pylint: disable=protected-access
for sub in step.substeps():
substeps[sub.name or step.name] = sub._func
# pylint: enable=protected-access
return substeps
class ProgramsTest(unittest.TestCase):
"""Tests the presubmit Programs abstraction."""
def setUp(self):
self._programs = presubmit.Programs(
first=[_fake_function_1, (), [(_fake_function_2,)]],
second=[_fake_function_2],
)
def test_empty(self):
self.assertEqual({}, presubmit.Programs())
def test_access_present_members_first(self):
self.assertEqual('first', self._programs['first'].name)
self.assertEqual(
('_fake_function_1', '_fake_function_2'),
tuple(x.name for x in self._programs['first']),
)
self.assertEqual(2, len(self._programs['first']))
substeps = _all_substeps(
self._programs['first'] # pylint: disable=protected-access
).values()
self.assertEqual(2, len(substeps))
self.assertEqual((_fake_function_1, _fake_function_2), tuple(substeps))
def test_access_present_members_second(self):
self.assertEqual('second', self._programs['second'].name)
self.assertEqual(
('_fake_function_2',),
tuple(x.name for x in self._programs['second']),
)
self.assertEqual(1, len(self._programs['second']))
substeps = _all_substeps(
self._programs['second'] # pylint: disable=protected-access
).values()
self.assertEqual(1, len(substeps))
self.assertEqual((_fake_function_2,), tuple(substeps))
def test_access_missing_member(self):
with self.assertRaises(KeyError):
_ = self._programs['not_there']
def test_all_steps(self):
all_steps = self._programs.all_steps()
self.assertEqual(len(all_steps), 2)
all_substeps = _all_substeps(all_steps.values())
self.assertEqual(len(all_substeps), 2)
# pylint: disable=protected-access
self.assertEqual(all_substeps['_fake_function_1'], _fake_function_1)
self.assertEqual(all_substeps['_fake_function_2'], _fake_function_2)
# pylint: enable=protected-access
class ContextTest(unittest.TestCase):
def test_presubmitcontext(self): # pylint: disable=no-self-use
_ = presubmit.PresubmitContext.create_for_testing()
def test_lucicontext(self): # pylint: disable=no-self-use
_ = presubmit.LuciContext.create_for_testing()
def test_lucitrigger(self): # pylint: disable=no-self-use
_ = presubmit.LuciTrigger.create_for_testing()
if __name__ == '__main__':
unittest.main()
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