Added unit tests

Author: vladimanaev

src/test/java/com/taboola/rest/api/internal/CommunicationFactoryTest.java

@@ -0,0 +1,47 @@
+package com.taboola.rest.api.internal;
+
+import retrofit2.http.GET;
+import retrofit2.http.Header;
+import retrofit2.http.Headers;
+
+import java.util.Collections;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import com.taboola.rest.api.exceptions.RestAPIException;
+import com.taboola.rest.api.internal.config.CommunicationConfig;
+import com.taboola.rest.api.internal.config.SerializationConfig;
+import com.taboola.rest.api.internal.config.UserAgentHeader;
+
+/**
+ * Created by vladi
+ * Date: 6/27/2021
+ * Time: 12:00 PM
+ * By Taboola
+ */
+public class CommunicationFactoryTest {
+
+    private CommunicationFactory testInstance;
+
+    public interface TestEndpoint {
+            @GET("/users/current/allowed-accounts")
+            @Headers("Content-Type: application/json")
+            Object getTestObject(@Header("Authorization") String accessToken) throws RestAPIException;
+    }
+
+    @Before
+    public void beforeTest() {
+        CommunicationConfig communicationConfig = new CommunicationConfig("http://localhost",
+                1L, 1L, 1L, 1, 60L,
+                Collections.singleton(new UserAgentHeader("Dummy-Agent")),true);
+        SerializationConfig serializationConfig = new SerializationConfig();
+        testInstance = new CommunicationFactory(communicationConfig, serializationConfig);
+    }
+
+    @Test
+    public void testHappyFlowServices() {
+        Assert.assertNotNull("Missing service instance", testInstance.createRetrofitEndpoint(TestEndpoint.class));
+    }
+}

src/test/java/com/taboola/rest/api/internal/SynchronousCallAdapterFactoryTest.java

@@ -0,0 +1,60 @@
+package com.taboola.rest.api.internal;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.taboola.rest.api.exceptions.RestAPIRequestException;
+import com.taboola.rest.api.model.APIError;
+
+import retrofit2.Call;
+import retrofit2.CallAdapter;
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Created by vladi
+ * Date: 1/16/2018
+ * Time: 10:16 PM
+ * By Taboola
+ */
+public class SynchronousCallAdapterFactoryTest {
+
+    private static final Logger logger = LogManager.getLogger(SynchronousCallAdapterFactoryTest.class);
+    private SynchronousCallAdapterFactory testInstance;
+
+    public static class DummyTestClass { }
+
+    @Before
+    public void beforeTest() {
+        testInstance = SynchronousCallAdapterFactory.create(new ObjectMapper());
+    }
+
+    @Test
+    public void testSynchronousAdapterForNonCallType() {
+        CallAdapter<Object, Object> actualAdapter = testInstance.get(DummyTestClass.class, null, null);
+        Assert.assertNotNull("Invalid adapter, expecting adapter", actualAdapter);
+        assertEquals("Invalid adapter type", DummyTestClass.class, actualAdapter.responseType());
+
+        actualAdapter = testInstance.get(Object.class, null, null);
+        Assert.assertNotNull("Invalid adapter, expecting adapter", actualAdapter);
+        assertEquals("Invalid adapter type", Object.class, actualAdapter.responseType());
+    }
+
+    @Test
+    public void testSynchronousAdapterForCallType() {
+        CallAdapter<Object, Object> actualAdapter = testInstance.get(Call.class, null, null);
+        Assert.assertNull("Invalid adapter, expecting no adapter", actualAdapter);
+    }
+
+    @Test
+    public void testParseError_whenErrorMsgContainsPercentSign_expectingValidFormatForStringFormat() {
+        APIError apiError = new APIError("Cpc boost value must be between -99% and 100%", 400);
+        apiError = testInstance.normalizeError(apiError);
+        RestAPIRequestException ex = new RestAPIRequestException(400, apiError);
+        logger.info(ex);
+        assertEquals("Failed to perform API call with response code [400]. Response payload status [400], message [Cpc boost value must be between -99% and 100%], offending field [null], message code [null]", ex.getMessage());
+    }
+}