1 files changed, 61 insertions, 0 deletions
diff --git a/validator_derive/tests/required.rs b/validator_derive/tests/required.rs
new file mode 100644
index 0000000..a073f28
--- /dev/null
+++ b/validator_derive/tests/required.rs
@@ -0,0 +1,61 @@
+#[macro_use]
+extern crate validator_derive;
+
+use serde::Serialize;
+use validator::Validate;
+
+#[derive(Serialize)]
+struct ObjectRef {
+    id: i32,
+    name: String,
+}
+
+#[derive(Serialize, Validate)]
+struct CheckedObjectRef {
+    #[validate(range(min = 1))]
+    id: i32,
+    #[validate(length(min = 1))]
+    name: String,
+}
+
+#[derive(Validate)]
+struct Required {
+    #[validate(required)]
+    val: Option<ObjectRef>,
+}
+
+#[derive(Validate)]
+struct RequiredNested {
+    #[validate(required_nested)]
+    val: Option<CheckedObjectRef>,
+}
+
+#[test]
+fn can_validate_required() {
+    let s = Required { val: Some(ObjectRef { id: 0, name: String::new() }) };
+
+    assert!(s.validate().is_ok());
+}
+
+#[test]
+fn can_validate_required_nested() {
+    let s = RequiredNested {
+        val: Some(CheckedObjectRef { id: 1, name: String::from("Reference representation") }),
+    };
+
+    assert!(s.validate().is_ok());
+}
+
+#[test]
+fn none_fails_required() {
+    let s = Required { val: None };
+
+    assert!(s.validate().is_err());
+}
+
+#[test]
+fn none_fails_required_nested() {
+    let s = RequiredNested { val: None };
+
+    assert!(s.validate().is_err());
+}