Add AppEventsLoggerTest

Summary:
1. Add a simple serial executor which will can be used to mock multithread executor and make Runnable execute in serial way
2. Remove AnalytisUserIDTest which is deprecated
3. Add AppEventsLoggerTest, which tests analytics user id

Reviewed By: jingping2015, dreamolight

Differential Revision: D14340044

fbshipit-source-id: 48db11027340a972cfd89b7d0a4981020a98d3ad

facebook/src/test/java/com/facebook/FacebookPowerMockTestCase.java

@@ -20,6 +20,8 @@
 
 package com.facebook;
 
+import android.annotation.SuppressLint;
+
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.runner.RunWith;
@@ -30,7 +32,10 @@
 import org.robolectric.annotation.Config;
 import org.robolectric.shadows.ShadowLog;
 
+import java.util.concurrent.Executor;
+
 // ShadowLog is used to redirect the android.util.Log calls to System.out
+@SuppressLint("RunWithRobolectricTestRunner")
 @Config(shadows = {ShadowLog.class}, manifest = Config.NONE)
 @RunWith(RobolectricTestRunner.class)
 @PowerMockIgnore({ "org.mockito.*", "org.robolectric.*", "androidx.*", "android.*", "org.json.*" })
@@ -49,4 +54,12 @@ public void setUp() {
         ShadowLog.stream = System.out;
         MockitoAnnotations.initMocks(this);
     }
+
+    public static final class FacebookSerialExecutor implements Executor {
+
+        @Override
+        public void execute(Runnable command) {
+            command.run();
+        }
+    }
 }

facebook/src/test/java/com/facebook/appevents/AppEventsLoggerTest.java

@@ -0,0 +1,93 @@
+/**
+ * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
+ *
+ * You are hereby granted a non-exclusive, worldwide, royalty-free license to use,
+ * copy, modify, and distribute this software in source code or binary form for use
+ * in connection with the web services and APIs provided by Facebook.
+ *
+ * As with any software that integrates with the Facebook platform, your use of
+ * this software is subject to the Facebook Developer Principles and Policies
+ * [http://developers.facebook.com/policy/]. This copyright notice shall be
+ * included in all copies or substantial portions of the software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+package com.facebook.appevents;
+
+import com.facebook.FacebookPowerMockTestCase;
+import com.facebook.FacebookSdk;
+import com.facebook.appevents.internal.AppEventUtility;
+import com.facebook.appevents.internal.AppEventsLoggerUtility;
+import com.facebook.internal.Utility;
+
+import org.json.JSONObject;
+import org.junit.Before;
+import org.junit.Test;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.robolectric.RuntimeEnvironment;
+
+import java.util.concurrent.Executor;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+import static org.powermock.api.mockito.PowerMockito.doReturn;
+import static org.powermock.api.mockito.PowerMockito.mockStatic;
+import static org.powermock.api.mockito.PowerMockito.spy;
+import static org.powermock.api.mockito.PowerMockito.when;
+
+@PrepareForTest({
+        AppEventUtility.class,
+        AppEventsLogger.class,
+        FacebookSdk.class,
+        Utility.class,
+})
+public class AppEventsLoggerTest extends FacebookPowerMockTestCase {
+
+    private final Executor executor = new FacebookSerialExecutor();
+
+    @Before
+    public void init() throws Exception {
+        mockStatic(FacebookSdk.class);
+        when(FacebookSdk.isInitialized()).thenReturn(true);
+        when(FacebookSdk.getApplicationContext()).thenReturn(RuntimeEnvironment.application);
+
+        // Mock Utility class with empty stub functions, which will be called in
+        // AppEventsLoggerUtility.getJSONObjectForGraphAPICall
+        mockStatic(Utility.class);
+
+        // Disable AppEventUtility.isMainThread since executor now runs in main thread
+        spy(AppEventUtility.class);
+        doReturn(false).when(AppEventUtility.class, "isMainThread");
+        mockStatic(AppEventsLogger.class);
+        spy(AppEventsLogger.class);
+        doReturn(executor).when(AppEventsLogger.class, "getAnalyticsExecutor");
+    }
+
+    @Test
+    public void testSetAndClearUserID() throws Exception {
+        String userID = "12345678";
+        AppEventsLogger.setUserID(userID);
+        assertEquals(AppEventsLogger.getUserID(), userID);
+        AppEventsLogger.clearUserID();
+        assertNull(AppEventsLogger.getUserID());
+    }
+
+    @Test
+    public void testUserIDAddedToAppEvent() throws Exception {
+        String userID = "12345678";
+        AppEventsLogger.setUserID(userID);
+        JSONObject jsonObject =AppEventsLoggerUtility.getJSONObjectForGraphAPICall(
+                AppEventsLoggerUtility.GraphAPIActivityType.MOBILE_INSTALL_EVENT,
+                null,
+                "123",
+                true,
+                FacebookSdk.getApplicationContext());
+        assertEquals(jsonObject.getString("app_user_id"), userID);
+    }
+}