feat: query_parser + stringcase.

stringcase/snake_case_test.go

@@ -0,0 +1,85 @@
+package stringcase
+
+import (
+	"testing"
+)
+
+func TestToSnakeCase(t *testing.T) {
+	tests := []struct {
+		input    string
+		expected string
+	}{
+		{"snake_case", "snake_case"},
+		{"CamelCase", "camel_case"},
+		{"lowerCamelCase", "lower_camel_case"},
+		{"F", "f"},
+		{"Foo", "foo"},
+		{"FooB", "foo_b"},
+		{"FooID", "foo_id"},
+		{" FooBar\t", "foo_bar"},
+		{"HTTPStatusCode", "http_status_code"},
+		{"ParseURL.DoParse", "parse_url_do_parse"},
+		{"Convert Space", "convert_space"},
+		{"Convert-dash", "convert_dash"},
+		{"Skip___MultipleUnderscores", "skip_multiple_underscores"},
+		{"Skip   MultipleSpaces", "skip_multiple_spaces"},
+		{"Skip---MultipleDashes", "skip_multiple_dashes"},
+		{"Hello World", "hello_world"},
+		{"Multiple Words Example", "multiple_words_example"},
+		{"", ""},
+		{"A", "a"},
+		{"z", "z"},
+		{"Special-Characters_Test", "special_characters_test"},
+		{"Numbers123Test", "numbers_123_test"},
+		{"Hello World!", "hello_world"},
+		{"Test@With#Symbols", "test_with_symbols"},
+		{"ComplexCase123!@#", "complex_case_123"},
+	}
+
+	for _, test := range tests {
+		result := ToSnakeCase(test.input)
+		if result != test.expected {
+			t.Errorf("ToSnakeCase(%q) = %q; expected %q", test.input, result, test.expected)
+		}
+	}
+}
+
+func TestUpperSnakeCase(t *testing.T) {
+	tests := []struct {
+		input    string
+		expected string
+	}{
+		{"snake_case", "SNAKE_CASE"},
+		{"CamelCase", "CAMEL_CASE"},
+		{"lowerCamelCase", "LOWER_CAMEL_CASE"},
+		{"F", "F"},
+		{"Foo", "FOO"},
+		{"FooB", "FOO_B"},
+		{"FooID", "FOO_ID"},
+		{" FooBar\t", "FOO_BAR"},
+		{"HTTPStatusCode", "HTTP_STATUS_CODE"},
+		{"ParseURL.DoParse", "PARSE_URL_DO_PARSE"},
+		{"Convert Space", "CONVERT_SPACE"},
+		{"Convert-dash", "CONVERT_DASH"},
+		{"Skip___MultipleUnderscores", "SKIP_MULTIPLE_UNDERSCORES"},
+		{"Skip   MultipleSpaces", "SKIP_MULTIPLE_SPACES"},
+		{"Skip---MultipleDashes", "SKIP_MULTIPLE_DASHES"},
+		{"Hello World", "HELLO_WORLD"},
+		{"Multiple Words Example", "MULTIPLE_WORDS_EXAMPLE"},
+		{"", ""},
+		{"A", "A"},
+		{"z", "Z"},
+		{"Special-Characters_Test", "SPECIAL_CHARACTERS_TEST"},
+		{"Numbers123Test", "NUMBERS_123_TEST"},
+		{"Hello World!", "HELLO_WORLD"},
+		{"Test@With#Symbols", "TEST_WITH_SYMBOLS"},
+		{"ComplexCase123!@#", "COMPLEX_CASE_123"},
+	}
+
+	for _, test := range tests {
+		result := UpperSnakeCase(test.input)
+		if result != test.expected {
+			t.Errorf("UpperSnakeCase(%q) = %q; expected %q", test.input, result, test.expected)
+		}
+	}
+}