test: added integration tests for Caser (#13)

tests/caser_test.rs

@@ -0,0 +1,127 @@
+use stringcase::Caser;
+
+#[test]
+fn it_should_convert_to_camel_case_by_method_of_string() {
+    let converted = "foo_bar100BAZQux".to_camel_case();
+    assert_eq!(converted, "fooBar100BazQux");
+}
+
+#[test]
+fn it_should_convert_to_camel_case_with_sep_by_method_of_string() {
+    let converted = "foo_bar100BAZQux".to_camel_case_with_sep("_");
+    assert_eq!(converted, "fooBar100BazQux");
+}
+
+#[test]
+fn it_should_convert_to_camel_case_with_keep_by_method_of_string() {
+    let converted = "foo_bar100BAZQux".to_camel_case_with_keep("#");
+    assert_eq!(converted, "fooBar100BazQux");
+}
+
+#[test]
+fn it_should_convert_to_cobol_case_by_method_of_string() {
+    let converted = "foo_bar100BAZQux".to_cobol_case();
+    assert_eq!(converted, "FOO-BAR100-BAZ-QUX");
+}
+
+#[test]
+fn it_should_convert_to_cobol_case_with_sep_by_method_of_string() {
+    let converted = "foo_bar100BAZQux".to_cobol_case_with_sep("_");
+    assert_eq!(converted, "FOO-BAR100-BAZ-QUX");
+}
+
+#[test]
+fn it_should_convert_to_cobol_case_with_keep_by_method_of_string() {
+    let converted = "foo_bar100BAZQux".to_cobol_case_with_keep("#");
+    assert_eq!(converted, "FOO-BAR100-BAZ-QUX");
+}
+
+#[test]
+fn it_should_convert_to_kebab_case_by_method_of_string() {
+    let converted = "foo_bar100BAZQux".to_kebab_case();
+    assert_eq!(converted, "foo-bar100-baz-qux");
+}
+
+#[test]
+fn it_should_convert_to_kebab_case_with_sep_by_method_of_string() {
+    let converted = "foo_bar100BAZQux".to_kebab_case_with_sep("_");
+    assert_eq!(converted, "foo-bar100-baz-qux");
+}
+
+#[test]
+fn it_should_convert_to_kebab_case_with_keep_by_method_of_string() {
+    let converted = "foo_bar100BAZQux".to_kebab_case_with_keep("#");
+    assert_eq!(converted, "foo-bar100-baz-qux");
+}
+
+#[test]
+fn it_should_convert_to_macro_case_by_method_of_string() {
+    let converted = "foo_bar100BAZQux".to_macro_case();
+    assert_eq!(converted, "FOO_BAR100_BAZ_QUX");
+}
+
+#[test]
+fn it_should_convert_to_macro_case_with_sep_by_method_of_string() {
+    let converted = "foo_bar100BAZQux".to_macro_case_with_sep("_");
+    assert_eq!(converted, "FOO_BAR100_BAZ_QUX");
+}
+
+#[test]
+fn it_should_convert_to_macro_case_with_keep_by_method_of_string() {
+    let converted = "foo_bar100BAZQux".to_macro_case_with_keep("#");
+    assert_eq!(converted, "FOO_BAR100_BAZ_QUX");
+}
+
+#[test]
+fn it_should_convert_to_pascal_case_by_method_of_string() {
+    let converted = "foo_bar100BAZQux".to_pascal_case();
+    assert_eq!(converted, "FooBar100BazQux");
+}
+
+#[test]
+fn it_should_convert_to_pascal_case_with_sep_by_method_of_string() {
+    let converted = "foo_bar100BAZQux".to_pascal_case_with_sep("_");
+    assert_eq!(converted, "FooBar100BazQux");
+}
+
+#[test]
+fn it_should_convert_to_pascal_case_with_keep_by_method_of_string() {
+    let converted = "foo_bar100BAZQux".to_pascal_case_with_keep("#");
+    assert_eq!(converted, "FooBar100BazQux");
+}
+
+#[test]
+fn it_should_convert_to_snake_case_by_method_of_string() {
+    let converted = "foo_bar100BAZQux".to_snake_case();
+    assert_eq!(converted, "foo_bar100_baz_qux");
+}
+
+#[test]
+fn it_should_convert_to_snake_case_with_sep_by_method_of_string() {
+    let converted = "foo_bar100BAZQux".to_snake_case_with_sep("_");
+    assert_eq!(converted, "foo_bar100_baz_qux");
+}
+
+#[test]
+fn it_should_convert_to_snake_case_with_keep_by_method_of_string() {
+    let converted = "foo_bar100BAZQux".to_snake_case_with_keep("#");
+    assert_eq!(converted, "foo_bar100_baz_qux");
+}
+
+#[test]
+fn it_should_convert_to_train_case_by_method_of_string() {
+    let converted = "foo_bar100BAZQux".to_train_case();
+    assert_eq!(converted, "Foo-Bar100-Baz-Qux");
+}
+
+#[test]
+fn it_should_convert_to_train_case_with_sep_by_method_of_string() {
+    let converted = "foo_bar100BAZQux".to_train_case();
+    assert_eq!(converted, "Foo-Bar100-Baz-Qux");
+}
+
+#[test]
+fn it_should_convert_to_train_case_with_keep_by_method_of_string() {
+    let converted = "foo_bar100BAZQux".to_train_case_with_keep("#");
+    assert_eq!(converted, "Foo-Bar100-Baz-Qux");
+}