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# Copyright 2015 Google Inc. All rights reserved.
#
# 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
#
# http://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.
import os
import unittest
import _jsonnet
# Returns content if worked, None if file not found, or throws an exception
def try_path(dir, rel):
if not rel:
raise RuntimeError('Got invalid filename (empty string).')
if rel[0] == '/':
full_path = rel
else:
full_path = dir + rel
if full_path[-1] == '/':
raise RuntimeError('Attempted to import a directory')
if not os.path.isfile(full_path):
return full_path, None
with open(full_path) as f:
return full_path, f.read()
def import_callback(dir, rel):
full_path, content = try_path(dir, rel)
if content:
return full_path, content
raise RuntimeError('File not found')
# Test native extensions
def concat(a, b):
return a + b
def return_types():
return {
'a': [1, 2, 3, None, []],
'b': 1.0,
'c': True,
'd': None,
'e': {
'x': 1,
'y': 2,
'z': ['foo']
},
}
native_callbacks = {
'concat': (('a', 'b'), concat),
'return_types': ((), return_types),
}
class JsonnetTests(unittest.TestCase):
def setUp(self):
self.input_filename = os.path.join(
os.path.dirname(__file__),
"test.jsonnet",
)
self.expected_str = "true\n"
with open(self.input_filename, "r") as infile:
self.input_snippet = infile.read()
def test_evaluate_file(self):
json_str = _jsonnet.evaluate_file(
self.input_filename,
import_callback=import_callback,
native_callbacks=native_callbacks,
)
self.assertEqual(json_str, self.expected_str)
def test_evaluate_snippet(self):
json_str = _jsonnet.evaluate_snippet(
"snippet",
self.input_snippet,
import_callback=import_callback,
native_callbacks=native_callbacks,
)
self.assertEqual(json_str, self.expected_str)
if __name__ == '__main__':
unittest.main()
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