def test_merge_multiple_by(self):
source = {
"x": {
"by-foo": {
"quick": "fox",
"default": ["a", "b", "c"]
}
}
}
dest = {
"x": {
"by-bar": {
"purple": "rain",
"default": ["x", "y", "z"]
}
}
}
expected = {
"x": {
"by-foo": {
"quick": "fox",
"default": ["a", "b", "c"]
}
}
} # source wins
self.assertEqual(merge_to(source, dest), expected)
def test_merge_to_dicts(self):
source = {"a": 1, "b": 2}
dest = {"b": "20", "c": 30}
expected = {
"a": 1, # source only
"b": 2, # source overrides dest
"c": 30, # dest only
}
self.assertEqual(merge_to(source, dest), expected)
self.assertEqual(dest, expected)
def test_merge_diff_types(self):
source = {"x": [1, 2]}
dest = {"x": "abc"}
expected = {"x": [1, 2]} # source wins
self.assertEqual(merge_to(source, dest), expected)
self.assertEqual(dest, expected)
def test_merge_to_lists(self):
source = {"x": [3, 4]}
dest = {"x": [1, 2]}
expected = {"x": [1, 2, 3, 4]} # dest first
self.assertEqual(merge_to(source, dest), expected)
self.assertEqual(dest, expected)