Test/unit tests vet request dto

src/test/java/org/example/vet1177/dto/request/vet/VetRequestTest.java

@@ -0,0 +1,84 @@
+package org.example.vet1177.dto.request.vet;
+
+import jakarta.validation.*;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.util.Set;
+import java.util.UUID;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class VetRequestTest {
+
+    private Validator validator;
+
+    @BeforeEach
+    void setUp() {
+        ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
+        validator = factory.getValidator();
+    }
+
+    private void assertHasViolation(Set<ConstraintViolation<VetRequest>> violations, String field) {
+        assertTrue( violations.stream()
+                .anyMatch(v -> v.getPropertyPath()
+                        .toString().equals(field)), "Expected violation on field: " + field ); }
+
+    @Test
+    void should_pass_validation_when_valid_input() {
+        VetRequest request = new VetRequest(
+                UUID.randomUUID(),
+                "LIC123",
+                "Surgery",
+                "Available weekdays"
+        );
+
+        Set<ConstraintViolation<VetRequest>> violations = validator.validate(request);
+
+        assertTrue(violations.isEmpty());
+    }
+
+    @Test
+    void should_fail_when_userId_is_null() {
+        VetRequest request = new VetRequest(
+                null,
+                "LIC123",
+                "Surgery",
+                "Info"
+        );
+
+        Set<ConstraintViolation<VetRequest>> violations = validator.validate(request);
+
+        assertHasViolation(violations, "userId");
+    }
+
+    @Test
+    void should_fail_when_licenseId_is_blank() {
+        VetRequest request = new VetRequest(
+                UUID.randomUUID(),
+                "",
+                "Surgery",
+                "Info"
+        );
+
+        Set<ConstraintViolation<VetRequest>> violations = validator.validate(request);
+
+        assertHasViolation(violations, "licenseId");
+    }
+
+    @Test
+    void should_fail_when_licenseId_too_long() {
+        String longLicense = "A".repeat(51);
+
+        VetRequest request = new VetRequest(
+                UUID.randomUUID(),
+                longLicense,
+                "Surgery",
+                "Info"
+        );
+
+        Set<ConstraintViolation<VetRequest>> violations = validator.validate(request);
+
+        assertHasViolation(violations, "licenseId");
+    }
+}