BAEL-1772: Argument Matchers (#4323)

spring-mockito/src/test/java/com/baeldung/app/rest/FlowerControllerUnitTest.java

@@ -0,0 +1,44 @@
+package com.baeldung.app.rest;
+
+import com.baeldung.app.api.Flower;
+import com.baeldung.domain.service.FlowerService;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.runners.MockitoJUnitRunner;
+
+import static org.mockito.Matchers.anyInt;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.when;
+
+@RunWith(MockitoJUnitRunner.class)
+public class FlowerControllerUnitTest {
+
+    @Mock
+    private FlowerService flowerService;
+
+    @InjectMocks
+    private FlowerController flowerController;
+
+    @Test
+    public void isAFlower_withMockito_OK() {
+        when(flowerService.analize(eq("violetta"))).thenReturn("Flower");
+
+        String response = flowerController.isAFlower("violetta");
+
+        Assert.assertEquals("Flower", response);
+    }
+
+    @Test
+    public void isABigFlower_withMockito_OK() {
+        when(flowerService.isABigFlower(eq("violetta"), anyInt())).thenReturn(true);
+
+        Flower flower = new Flower("violetta", 15);
+
+        Boolean response = flowerController.isABigFlower(flower);
+
+        Assert.assertTrue(response);
+    }
+}