ValidateTypesFileTypeTest

src/main/java/scot/carricksoftware/grants/validators/images/ImageCommandValidator.java

@@ -9,5 +9,6 @@ import org.springframework.validation.BindingResult;
 import scot.carricksoftware.grants.commands.images.ImageCommand;
 
 public interface ImageCommandValidator {
+    @SuppressWarnings("unused")
     void validate(ImageCommand imageCommand, BindingResult bindingResult);
 }

src/test/java/scot/carricksoftware/grants/validators/helpers/ValidateTypesFileTypeTest.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2025.  Andrew Grant Carrick Software. All rights reserved
+ *
+ */
+
+package scot.carricksoftware.grants.validators.helpers;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import org.springframework.validation.BindingResult;
+
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoInteractions;
+
+@ExtendWith(MockitoExtension.class)
+class ValidateTypesFileTypeTest {
+
+    private ValidateTypes validateTypes;
+
+    private String field;
+    private String message;
+
+    @Mock
+    private BindingResult bindingResultMock;
+
+    @BeforeEach
+    void setUp() {
+        validateTypes = new ValidateTypesImpl();
+        field = "field";
+        message = "message";
+    }
+
+   @Test
+    void allowedTypeTest() {
+        validateTypes.validateFileType("file.YES", field, new String[]{"YES"}, message, bindingResultMock);
+        verifyNoInteractions(bindingResultMock);
+   }
+
+    @Test
+    void lowerCaseAllowedTypeTest() {
+        validateTypes.validateFileType("file.yes", field, new String[]{"YES"}, message, bindingResultMock);
+        verifyNoInteractions(bindingResultMock);
+    }
+
+    @Test
+    void notAllowedTypeTest() {
+        validateTypes.validateFileType("file.YES", field, new String[]{"NON"}, message, bindingResultMock);
+        verify(bindingResultMock).rejectValue(field,"", null, message);
+    }
+
+}