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# Copyright 2019 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import contextlib
import os
import shutil
import tempfile
import unittest
from json5_generator import Json5File, Writer
@contextlib.contextmanager
def tmp_dir():
tmp = tempfile.mkdtemp(prefix='json5_generator_')
try:
yield tmp
finally:
shutil.rmtree(tmp)
class CleanupWriter(Writer):
def __init__(self, output_dir, cleanup):
super(CleanupWriter, self).__init__([], output_dir)
self._cleanup = cleanup
class Json5FileTest(unittest.TestCase):
def path_of_test_file(self, file_name):
return os.path.join(
os.path.dirname(os.path.realpath(__file__)), 'tests', file_name)
def test_valid_dict_value_parse(self):
actual = Json5File.load_from_files([
self.path_of_test_file('json5_generator_valid_dict_value.json5')
]).name_dictionaries
expected = [{
'name': 'item1',
'param1': {
'keys': 'valid',
'random': 'values'
}
}, {
'name': 'item2',
'param1': {
'random': 'values',
'default': 'valid'
}
}, {
'name': 'item3',
'param1': {
'keys': 'valid',
'default': 'values'
}
}]
self.assertEqual(len(actual), len(expected))
for exp, act in zip(expected, actual):
self.assertDictEqual(exp['param1'], act['param1'])
self.assertIsNone(act['param2'])
def test_valid_dict_value_parse_override(self):
json5_file = Json5File.load_from_files(
[self.path_of_test_file('json5_generator_valid_dict_value.json5')])
json5_file.load_override_file(
self.path_of_test_file(
'json5_generator_valid_dict_value.override.json5'))
actual = json5_file.name_dictionaries
expected = [{
'name': 'item1',
'param1': {
'keys': 'valid',
'default': 'values'
}
}, {
'name': 'item2',
'param1': {
'random': 'values',
'default': 'valid'
}
}, {
'name': 'item3',
'param2': {
'key': 'single',
'default': 'value'
}
}, {
'name': 'item4',
'param1': {
'keys': 'valid',
'random': 'values'
}
}]
self.assertEqual(len(actual), len(expected))
for exp, act in zip(expected, actual):
param_name = 'param1'
if exp['name'] == 'item3':
self.assertIsNone(act['param1'])
param_name = 'param2'
self.assertDictEqual(exp[param_name], act[param_name])
def test_no_valid_keys(self):
with self.assertRaises(AssertionError):
Json5File.load_from_files([
self.path_of_test_file('json5_generator_no_valid_keys.json5')
])
def test_value_not_in_valid_values(self):
with self.assertRaises(Exception):
Json5File.load_from_files([
self.path_of_test_file('json5_generator_invalid_value.json5')
])
def test_key_not_in_valid_keys(self):
with self.assertRaises(Exception):
Json5File.load_from_files(
[self.path_of_test_file('json5_generator_invalid_key.json5')])
def test_cleanup_multiple_files(self):
with tmp_dir() as tmp:
path1 = os.path.join(tmp, 'file1.h')
path2 = os.path.join(tmp, 'file2.h')
with open(path1, 'wb') as f:
f.write(b'File1')
with open(path2, 'wb') as f:
f.write(b'File2')
self.assertTrue(os.path.exists(path1))
self.assertTrue(os.path.exists(path2))
CleanupWriter(tmp, set(['file1.h', 'file2.h'])).cleanup_files(tmp)
self.assertFalse(os.path.exists(path1))
self.assertFalse(os.path.exists(path2))
def test_cleanup_partial_files(self):
with tmp_dir() as tmp:
path1 = os.path.join(tmp, 'file1.h')
path2 = os.path.join(tmp, 'file2.h')
with open(path1, 'wb') as f:
f.write(b'File1')
with open(path2, 'wb') as f:
f.write(b'File2')
self.assertTrue(os.path.exists(path1))
self.assertTrue(os.path.exists(path2))
CleanupWriter(tmp, set(['file2.h'])).cleanup_files(tmp)
self.assertTrue(os.path.exists(path1))
self.assertFalse(os.path.exists(path2))
def test_cleanup_nonexisting(self):
with tmp_dir() as tmp:
path1 = os.path.join(tmp, 'file1.h')
with open(path1, 'wb') as f:
f.write(b'File1')
self.assertTrue(os.path.exists(path1))
# Don't throw when trying to clean up something that doesn't exist.
CleanupWriter(tmp, set(['file1.h', 'file2.h'])).cleanup_files(tmp)
self.assertFalse(os.path.exists(path1))
if __name__ == "__main__":
unittest.main()
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