Added tests

Author: aaomidi

pom.xml

@@ -65,13 +65,18 @@
             <version>3.9.0</version>
             <scope>compile</scope>
         </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <version>5.2.0</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>
         <defaultGoal>clean package</defaultGoal>
         <directory>target</directory>
         <outputDirectory>target/classes</outputDirectory>
-        <sourceDirectory>${basedir}/src/main/java</sourceDirectory>
 
         <finalName>${project.name}-${project.version}</finalName>
         <resources>

src/test/java/io/ipinfo/IPInfoTests.java

@@ -0,0 +1,42 @@
+package io.ipinfo;
+
+import io.ipinfo.errors.ErrorResponseException;
+import io.ipinfo.errors.RateLimitedException;
+import io.ipinfo.model.IPResponse;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class IPInfoTests {
+    private IPInfo ipInfo;
+
+    @BeforeEach
+    void initAll() {
+        ipInfo = IPInfo.builder().build();
+    }
+
+    @Test
+    void testGoogleDNS() {
+        try {
+            IPResponse response = ipInfo.lookupIP("8.8.8.8");
+
+            assertAll("Country Code",
+                    () -> assertEquals(response.getCountryCode(), "US"),
+                    () -> assertEquals(response.getCountryName(), "United States"),
+                    () -> assertEquals(response.getHostname(), "google-public-dns-a.google.com"),
+                    () -> assertEquals(response.getIp(), "8.8.8.8")
+            );
+
+        } catch (RateLimitedException e) {
+            fail(e);
+        }
+    }
+
+    @Test
+    void testASNWithoutAuth() {
+        assertThrows(ErrorResponseException.class, () -> {
+            ipInfo.lookupASN("AS7922");
+        });
+    }
+}