first commit

spring-web-modules/spring-resttemplate-2/src/test/java/com/baeldung/resttemplateexception/RestTemplateExceptionLiveTest.java

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+package com.baeldung.resttemplateexception;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.web.client.RestTemplate;
+import org.springframework.web.util.UriComponentsBuilder;
+
+import com.baeldung.resttemplateexception.model.Product;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = { RestTemplate.class, RestTemplateExceptionApplication.class })
+public class RestTemplateExceptionLiveTest {
+
+    @Autowired
+    RestTemplate restTemplate;
+
+    @Test(expected = IllegalArgumentException.class)
+    public void givenGetUrl_whenJsonIsPassed_thenThrowException() {
+
+        String url = "http://localhost:8080/spring-rest/api/get?criterion={\"prop\":\"name\",\"value\":\"ASUS VivoBook\"}";
+        Product product = restTemplate.getForObject(url, Product.class);
+
+    }
+
+    @Test
+    public void givenGetUrl_whenJsonIsPassed_thenGetProduct() {
+
+        String criterion = "{\"prop\":\"name\",\"value\":\"ASUS VivoBook\"}";
+        String url = "http://localhost:8080/spring-rest/api/get?criterion={criterion}";
+        Product product = restTemplate.getForObject(url, Product.class, criterion);
+
+        assertEquals(product.getPrice(), 650, 0);
+
+    }
+
+    @Test
+    public void givenGetUrl_whenJsonIsPassed_thenReturnProduct() {
+
+        String criterion = "{\"prop\":\"name\",\"value\":\"Acer Aspire 5\"}";
+        String url = "http://localhost:8080/spring-rest/api/get";
+
+        UriComponentsBuilder builder = UriComponentsBuilder.fromUriString(url).queryParam("criterion", criterion);
+        Product product = restTemplate.getForObject(builder.build().toUri(), Product.class);
+
+        assertEquals(product.getId(), 1, 0);
+
+    }
+}