from trainmap_backup import \
	camel_to_snake, transform_dict, VERBATIM_KEY, VERBATIM_VALUE, DISCARD


def test_camel_to_snake():
	assert camel_to_snake("testcase") == "testcase"
	assert camel_to_snake("test_case") == "test_case"
	assert camel_to_snake("Testcase") == "testcase"
	assert camel_to_snake("TestCase") == "test_case"
	assert camel_to_snake("AnotherTestCase") == "another_test_case"
	assert camel_to_snake("Test_Case") == "test__case"


def test_transform_dict():
	assert transform_dict(
		{
			"discard": DISCARD,
			"otherkey": ("newkey", VERBATIM_VALUE),
			"uppervalue": (VERBATIM_KEY, str.upper),
			"retainboth": (VERBATIM_KEY, VERBATIM_VALUE)
		},
		{
			"discard": True,
			"passthrough": True,
			"otherkey": True,
			"uppervalue": "value",
			"retainboth": "value",
		}
	) == {
		"passthrough": True,
		"newkey": True,
		"uppervalue": "VALUE",
		"retainboth": "value",
	}