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Commit 7d69b1d8 authored by Alexei Nicoara's avatar Alexei Nicoara
Browse files

Adding support to conditionally replace a value

Bug: 231691643
Test: presubmit
Change-Id: I786ab152a94126ebc8a9d7dea0bb68e07d789a0b
parent 2971a94e
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+10 −0
Original line number Diff line number Diff line
@@ -84,6 +84,16 @@ python_binary_host {
    ],
}

python_test_host {
    name: "jsonmodify_test",
    main: "jsonmodify_test.py",
    srcs: [
        "jsonmodify_test.py",
        "jsonmodify.py",
    ],
    test_suites: ["general-tests"],
}

python_binary_host {
    name: "test_config_fixer",
    main: "test_config_fixer.py",
+12 −0
Original line number Diff line number Diff line
@@ -59,6 +59,13 @@ class Replace(str):
      cur[key] = val


class ReplaceIfEqual(str):
  def apply(self, obj, old_val, new_val):
    cur, key = follow_path(obj, self)
    if cur and cur[key] == int(old_val):
      cur[key] = new_val


class Remove(str):
  def apply(self, obj):
    cur, key = follow_path(obj, self)
@@ -91,6 +98,11 @@ def main():
                      help='replace value of the key specified by path. If path doesn\'t exist, no op.',
                      metavar=('path', 'value'),
                      nargs=2, dest='patch', action='append')
  parser.add_argument("-se", "--replace-if-equal", type=ReplaceIfEqual,
                      help='replace value of the key specified by path to new_value if it\'s equal to old_value.' +
                      'If path doesn\'t exist or the value is not equal to old_value, no op.',
                      metavar=('path', 'old_value', 'new_value'),
                      nargs=3, dest='patch', action='append')
  parser.add_argument("-r", "--remove", type=Remove,
                      help='remove the key specified by path. If path doesn\'t exist, no op.',
                      metavar='path',
+75 −0
Original line number Diff line number Diff line
#!/usr/bin/env python
#
# Copyright (C) 2022 The Android Open Source Project
#
# 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.
#
"""Tests for jsonmodify."""

import json
import jsonmodify
import unittest


class JsonmodifyTest(unittest.TestCase):

  def test_set_value(self):
    obj = json.loads('{"field1": 111}')
    field1 = jsonmodify.SetValue("field1")
    field1.apply(obj, 222)
    field2 = jsonmodify.SetValue("field2")
    field2.apply(obj, 333)
    expected = json.loads('{"field1": 222, "field2": 333}')
    self.assertEqual(obj, expected)

  def test_replace(self):
    obj = json.loads('{"field1": 111}')
    field1 = jsonmodify.Replace("field1")
    field1.apply(obj, 222)
    field2 = jsonmodify.Replace("field2")
    field2.apply(obj, 333)
    expected = json.loads('{"field1": 222}')
    self.assertEqual(obj, expected)

  def test_replace_if_equal(self):
    obj = json.loads('{"field1": 111, "field2": 222}')
    field1 = jsonmodify.ReplaceIfEqual("field1")
    field1.apply(obj, 111, 333)
    field2 = jsonmodify.ReplaceIfEqual("field2")
    field2.apply(obj, 444, 555)
    field3 = jsonmodify.ReplaceIfEqual("field3")
    field3.apply(obj, 666, 777)
    expected = json.loads('{"field1": 333, "field2": 222}')
    self.assertEqual(obj, expected)

  def test_remove(self):
    obj = json.loads('{"field1": 111, "field2": 222}')
    field2 = jsonmodify.Remove("field2")
    field2.apply(obj)
    field3 = jsonmodify.Remove("field3")
    field3.apply(obj)
    expected = json.loads('{"field1": 111}')
    self.assertEqual(obj, expected)

  def test_append_list(self):
    obj = json.loads('{"field1": [111]}')
    field1 = jsonmodify.AppendList("field1")
    field1.apply(obj, 222, 333)
    field2 = jsonmodify.AppendList("field2")
    field2.apply(obj, 444, 555, 666)
    expected = json.loads('{"field1": [111, 222, 333], "field2": [444, 555, 666]}')
    self.assertEqual(obj, expected)


if __name__ == '__main__':
    unittest.main(verbosity=2)