mirror of
https://github.com/google/go-jsonnet.git
synced 2025-08-07 14:57:24 +02:00
98 lines
2.6 KiB
Python
98 lines
2.6 KiB
Python
# Copyright 2015 Google Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import unittest
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import _jsonnet
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# Returns content if worked, None if file not found, or throws an exception
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def try_path(dir, rel):
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if not rel:
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raise RuntimeError('Got invalid filename (empty string).')
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if rel[0] == '/':
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full_path = rel
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else:
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full_path = dir + rel
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if full_path[-1] == '/':
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raise RuntimeError('Attempted to import a directory')
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if not os.path.isfile(full_path):
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return full_path, None
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with open(full_path) as f:
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return full_path, f.read()
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def import_callback(dir, rel):
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full_path, content = try_path(dir, rel)
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if content:
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return full_path, content
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raise RuntimeError('File not found')
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# Test native extensions
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def concat(a, b):
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return a + b
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def return_types():
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return {
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'a': [1, 2, 3, None, []],
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'b': 1.0,
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'c': True,
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'd': None,
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'e': {
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'x': 1,
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'y': 2,
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'z': ['foo']
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},
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}
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native_callbacks = {
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'concat': (('a', 'b'), concat),
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'return_types': ((), return_types),
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}
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class JsonnetTests(unittest.TestCase):
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def setUp(self):
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self.input_filename = os.path.join(
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os.path.dirname(__file__),
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"test.jsonnet",
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)
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self.expected_str = "true\n"
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with open(self.input_filename, "r") as infile:
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self.input_snippet = infile.read()
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def test_evaluate_file(self):
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json_str = _jsonnet.evaluate_file(
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self.input_filename,
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import_callback=import_callback,
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native_callbacks=native_callbacks,
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)
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self.assertEqual(json_str, self.expected_str)
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def test_evaluate_snippet(self):
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json_str = _jsonnet.evaluate_snippet(
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"snippet",
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self.input_snippet,
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import_callback=import_callback,
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native_callbacks=native_callbacks,
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)
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self.assertEqual(json_str, self.expected_str)
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if __name__ == '__main__':
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unittest.main()
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