junit parameterized tests - custom provider

Author: bozo1209

src/test/java/guru/springframework/sfgpetclinic/CustomArgsProvider.java

@@ -0,0 +1,19 @@
+package guru.springframework.sfgpetclinic;
+
+import org.junit.jupiter.api.extension.ExtensionContext;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.ArgumentsProvider;
+
+import java.util.stream.Stream;
+
+public class CustomArgsProvider implements ArgumentsProvider {
+
+    @Override
+    public Stream<? extends Arguments> provideArguments(ExtensionContext extensionContext) throws Exception {
+        return Stream.of(
+                Arguments.of("FL", 10, 10),
+                Arguments.of("OH", 11, 11),
+                Arguments.of("MI", 12, 12)
+        );
+    }
+}

src/test/java/guru/springframework/sfgpetclinic/model/OwnerTest.java

@@ -1,5 +1,6 @@
 package guru.springframework.sfgpetclinic.model;
 
+import guru.springframework.sfgpetclinic.CustomArgsProvider;
 import guru.springframework.sfgpetclinic.ModelTests;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Tag;
@@ -73,6 +74,14 @@ static Stream<Arguments> getArgs(){
         return Stream.of(
                 Arguments.of("FL", 7, 7),
                 Arguments.of("OH", 8, 8),
-                Arguments.of("MI", 9, 9));
+                Arguments.of("MI", 9, 9)
+        );
     }
+    @DisplayName("custom provider test - ")
+    @ParameterizedTest(name = "{displayName} [{index}] {argumentsWithNames}")
+    @ArgumentsSource(CustomArgsProvider.class)
+    void fromCustomProviderTest(String stateName, int val1, int val2){
+        System.out.println(stateName + " " + val1 + " " + val2);
+    }
+
 }