GoogleBookAdapter added

src/component-test/java/io/wkrzywiec/hexagonal/library/application/AddNewBookTest.java

@@ -0,0 +1,46 @@
+package io.wkrzywiec.hexagonal.library.application;
+
+import io.restassured.RestAssured;
+import io.restassured.response.ValidatableResponse;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.web.server.LocalServerPort;
+import org.springframework.http.HttpStatus;
+
+import static io.restassured.RestAssured.given;
+import static org.hamcrest.Matchers.greaterThan;
+
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
+public class AddNewBookTest {
+
+    @LocalServerPort
+    private int port;
+
+    private String baseURL;
+
+    @BeforeEach
+    public void init(){
+        this.baseURL = "http://localhost:" + port;
+        RestAssured.enableLoggingOfRequestAndResponseIfValidationFails();
+    }
+
+    @Test
+    @DisplayName("Search for a new book in Google Books")
+    public void whenSearchForBook_thenGetList(){
+        //when
+        ValidatableResponse response = given()
+                .when()
+                    .param("query", "lean startup")
+                .get( baseURL + "/google/books")
+                    .prettyPeek()
+                .then();
+
+        //then
+        response.statusCode(HttpStatus.OK.value())
+                .contentType("application/json")
+                .body("items.size()", greaterThan(0));
+
+    }
+}