def test_op_add_foo_four():
"""Should add a `four` member to the first object."""
patches = [{"op": "add", "path": "/0/foo/four", "value": 4}]
jp = JSONPatcher(sample_json, *patches)
changed = jp.patch()
assert changed is True
assert jp.obj[0]['foo']['four'] == 4
def test_op_add_replace_existing_value():
"""Should find an existing property and replace its value."""
patches = [{"op": "add", "path": "/1/bar/three", "value": 10}]
jp = JSONPatcher(sample_json, *patches)
changed = jp.patch()
assert changed is True
assert jp.obj[1]['bar']['three'] == 10
def test_op_add_ignore_existing_value():
"""Should ignore an existing property with the same value."""
patches = [{"op": "add", "path": "/1/bar/one", "value": 1}]
jp = JSONPatcher(sample_json, *patches)
changed = jp.patch()
assert changed is False
assert jp.obj[1]['bar']['one'] == 1
def test_op_replace_foo_three():
"""Should replace the value for the 'three' member in 'foo'."""
patches = [{"op": "replace", "path": "/0/foo/three", "value": "booyah"}]
jp = JSONPatcher(sample_json, *patches)
changed = jp.patch()
assert changed is True
assert jp.obj[0]['foo']['three'] == 'booyah'
def test_op_remove_foo_three():
"""Should remove the 'three' member from the first object."""
patches = [{"op": "remove", "path": "/0/foo/three"}]
jp = JSONPatcher(sample_json, *patches)
changed = jp.patch()
assert changed is True
assert 'three' not in jp.obj[0]['foo']
def test_op_copy_baz_list_bar():
"""Should copy the 'baz' list of fruits to 'foo' object."""
patches = [{"op": "copy", "from": "/2/baz", "path": "/0/foo/fruits"}]
jp = JSONPatcher(sample_json, *patches)
changed = jp.patch()
assert changed is True
assert len(jp.obj[2]['baz']) == 3
assert len(jp.obj[0]['foo']['fruits']) == 3
def test_op_copy_foo_three_bar_four():
"""Should copy the 'three' member in 'foo' to the 'bar' object."""
patches = [{"op": "copy", "from": "/0/foo/three", "path": "/1/bar/four"}]
jp = JSONPatcher(sample_json, *patches)
changed = jp.patch()
assert changed is True
assert jp.obj[0]['foo']['three'] == 3
assert jp.obj[1]['bar']['four'] == 3
def test_op_move_foo_object_end_of_list():
"""Should move the 'three' member in 'foo' to the end of the 'baz' list."""
patches = [{"op": "move", "from": "/0/foo/three", "path": "/2/baz/-"}]
jp = JSONPatcher(sample_json, *patches)
changed = jp.patch()
assert changed is True
assert jp.obj[0]['foo'].get('three', 'DUMMY VALUE') == 'DUMMY VALUE'
assert jp.obj[2]['baz'][-1] == 3
def test_op_move_baz_list_foo():
"""Should move the 'baz' list of fruits to 'foo' object."""
patches = [{"op": "move", "from": "/2/baz", "path": "/0/foo/fruits"}]
jp = JSONPatcher(sample_json, *patches)
changed = jp.patch()
assert changed is True
assert jp.obj[2].get('baz', 'DUMMY VALUE') == 'DUMMY VALUE'
assert len(jp.obj[0]['foo']['fruits']) == 3
def test_op_move_foo_three_bar_four():
"""Should move the 'three' property from 'foo' to 'bar'."""
patches = [{"op": "move", "from": "/0/foo/three", "path": "/1/bar/four"}]
jp = JSONPatcher(sample_json, *patches)
changed = jp.patch()
assert changed is True
assert jp.obj[0]['foo'].get('three', 'DUMMY VALUE') == 'DUMMY VALUE'
assert jp.obj[1]['bar']['four'] == 3
def test_op_remove_baz_list_member():
"""Should remove the last fruit item from the 'baz' list."""
patches = [{"op": "remove", "path": "/2/baz/2"}]
jp = JSONPatcher(sample_json, *patches)
changed = jp.patch()
assert changed is True
for obj in jp.obj[2]['baz']:
assert obj['foo'] != 'bananas'
assert obj['bar'] != 'potatoes'
def test_op_add_object_list():
"""Should add a new first object to the 'baz' list."""
patches = [{
"op": "add",
"path": "/2/baz/0",
"value": {
"foo": "kiwis",
"bar": "strawberries"
}
}]
jp = JSONPatcher(sample_json, *patches)
changed = jp.patch()
assert changed is True
assert jp.obj[2]['baz'][0] == patches[0]['value']
def test_op_add_object_end_of_list():
"""should add a new last object to the 'baz' list."""
patches = [{
"op": "add",
"path": "/2/baz/-",
"value": {
"foo": "raspberries",
"bar": "blueberries"
}
}]
jp = JSONPatcher(sample_json, *patches)
changed = jp.patch()
assert changed is True
assert jp.obj[2]['baz'][-1] == patches[0]['value']
def test_op_test_list_equal():
"""Should return True that two lists are equal."""
patches = [{
"op": "add",
"path": "/0/foo/compare",
"value": [1, 2, 3]
}, {
"op": "test",
"path": "/0/foo/compare",
"value": [1, 2, 3]
}]
jp = JSONPatcher(sample_json, *patches)
result = jp.patch()
assert result is True
def test_op_test_string_unequal():
"""Should return False that two strings are unequal."""
patches = [{"op": "test", "path": "/2/baz/0/foo", "value": "bananas"}]
jp = JSONPatcher(sample_json, *patches)
result = jp.patch()
assert result is False
def test_op_replace_fail_on_nonexistent_member():
"""Should raise an exception if replacing a non-existent object member."""
patches = [{"op": "replace", "path": "/0/foo/four", "value": 4}]
jp = JSONPatcher(sample_json, *patches)
with pytest.raises(PathError):
jp.patch()
def test_op_move_fail_on_nonexistent():
"""Should raise an exception if moving a non-existent object member."""
patches = [{"op": "move", "from": "/0/foo/four", "path": "/1/bar/four"}]
jp = JSONPatcher(sample_json, *patches)
with pytest.raises(PathError):
jp.patch()
def test_op_copy_fail_on_nonexistent_member():
"""Should raise an exception when copying a non-existent member."""
patches = [{"op": "copy", "from": "/1/bar/four", "path": "/0/foo/fruits"}]
jp = JSONPatcher(sample_json, *patches)
with pytest.raises(PathError):
jp.patch()
def test_op_test_wildcard_not_found():
"""Should return False on not finding an element with the given value."""
patches = [{"op": "test", "path": "/2/baz/*/bar", "value": "rocks"}]
jp = JSONPatcher(sample_json, *patches)
result = jp.patch()
assert result is False
def test_op_test_wildcard():
"""Should find an element in the 'baz' list with the matching value."""
patches = [{"op": "test", "path": "/2/baz/*/foo", "value": "grapes"}]
jp = JSONPatcher(sample_json, *patches)
result = jp.patch()
assert result is True
def test_op_test_number_unequal():
"""Should return False that two numbers are unequal."""
patches = [{"op": "test", "path": "/0/foo/one", "value": "bananas"}]
jp = JSONPatcher(sample_json, *patches)
result = jp.patch()
assert result is False