Added Wrapper for getEnabledFeatures (#184)

Added its unit tests
updated java version to 2.0.0-beta6
updated datafile as it was not passing all unittests of due to featureEnabled was not set

Author: mnoman09

android-sdk/src/androidTest/java/com/optimizely/ab/android/sdk/OptimizelyClientTest.java

@@ -47,6 +47,7 @@
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 import javax.annotation.Nonnull;
@@ -1220,6 +1221,59 @@ public void testBadIsFeatureEnabledWithoutAttribute() {
         );
     }
 
+    /**
+     * Verify {@link Optimizely#getEnabledFeatures(String, Map)} calls into
+     * {@link Optimizely#isFeatureEnabled(String, String, Map)} for each featureFlag
+     * return List of FeatureFlags that are enabled
+     */
+    @Test
+    public void testGetEnabledFeaturesWithValidUserID(){
+        assumeTrue(datafileVersion == Integer.parseInt(ProjectConfig.Version.V4.toString()));
+        OptimizelyClient optimizelyClient = new OptimizelyClient(
+                optimizely,
+                logger
+        );
+        List<String> enabledFeatures = optimizelyClient.getEnabledFeatures(GENERIC_USER_ID,
+                Collections.singletonMap("house", "Gryffindor"));
+        assertFalse(enabledFeatures.isEmpty());
+    }
+
+    /**
+     * Verify {@link Optimizely#getEnabledFeatures(String, Map)} calls into
+     * {@link Optimizely#isFeatureEnabled(String, String, Map)} for each featureFlag
+     * here user id is not valid because its not bucketed into any variation so it will
+     * return empty List of enabledFeatures
+     */
+    @Test
+    public void testGetEnabledFeaturesWithInValidUserIDandValidAttributes(){
+        assumeTrue(datafileVersion == Integer.parseInt(ProjectConfig.Version.V4.toString()));
+        OptimizelyClient optimizelyClient = new OptimizelyClient(
+                optimizely,
+                logger
+        );
+        List<String> enabledFeatures = optimizelyClient.getEnabledFeatures("InvalidUserID",
+                Collections.singletonMap("house", "Gryffindor"));
+        assertTrue(enabledFeatures.isEmpty());
+    }
+
+
+    /**
+     * Verify {@link Optimizely#getEnabledFeatures(String, Map)} calls into
+     * {@link Optimizely#isFeatureEnabled(String, String, Map)} for each featureFlag
+     * here Attributes are not valid because its not meeting any audience condition so
+     * return empty List of enabledFeatures
+     */
+    @Test
+    public void testGetEnabledFeaturesWithValidUserIDAndInvalidAttributes(){
+        assumeTrue(datafileVersion == Integer.parseInt(ProjectConfig.Version.V4.toString()));
+        OptimizelyClient optimizelyClient = new OptimizelyClient(
+                optimizely,
+                logger
+        );
+        List<String> enabledFeatures = optimizelyClient.getEnabledFeatures(GENERIC_USER_ID,
+                Collections.singletonMap("invalidKey", "invalidVal"));
+        assertTrue(enabledFeatures.isEmpty());
+    }
     //=======Feature Variables Testing===========
 
     /* FeatureVariableBoolean

android-sdk/src/debug/res/raw/validprojectconfigv4

@@ -102,6 +102,7 @@
 		"variations": [{
 			"id": "1880281238",
 			"key": "Fred",
+			"featureEnabled": true,
 			"variables": [{
 				"id": "675244127",
 				"value": "F"
@@ -112,6 +113,7 @@
 		}, {
 			"id": "3631049532",
 			"key": "Feorge",
+			"featureEnabled": true,
 			"variables": [{
 				"id": "675244127",
 				"value": "F"
@@ -138,6 +140,7 @@
 		}, {
 			"id": "2099211198",
 			"key": "George",
+			"featureEnabled": false,
 			"variables": [{
 				"id": "675244127",
 				"value": "G"
@@ -174,13 +177,15 @@
 		"variations": [{
 			"id": "1505457580",
 			"key": "pi_variation",
+			"featureEnabled": true,
 			"variables": [{
 				"id": "4111654444",
 				"value": "3.14"
 			}]
 		}, {
 			"id": "119616179",
 			"key": "euler_variation",
+			"featureEnabled": true,
 			"variables": [{
 				"id": "4111654444",
 				"value": "2.718"
@@ -320,6 +325,7 @@
 			"variations": [{
 				"id": "1394671166",
 				"key": "mutex_group_2_experiment_1_variation_1",
+				"featureEnabled": true,
 				"variables": [{
 					"id": "2059187672",
 					"value": "mutex_group_2_experiment_1_variation_1"
@@ -339,6 +345,7 @@
 			"variations": [{
 				"id": "1619235542",
 				"key": "mutex_group_2_experiment_2_variation_2",
+				"featureEnabled": true,
 				"variables": [{
 					"id": "2059187672",
 					"value": "mutex_group_2_experiment_2_variation_2"
@@ -449,6 +456,7 @@
 			"variations": [{
 				"id": "1566407342",
 				"key": "1566407342",
+				"featureEnabled": true,
 				"variables": [{
 					"id": "2077511132",
 					"value": "lumos"
@@ -471,6 +479,7 @@
 			"variations": [{
 				"id": "521740985",
 				"key": "521740985",
+				"featureEnabled": false,
 				"variables": [{
 					"id": "675244127",
 					"value": "G"
@@ -493,6 +502,7 @@
 			"variations": [{
 				"id": "180042646",
 				"key": "180042646",
+				"featureEnabled": true,
 				"variables": [{
 					"id": "675244127",
 					"value": "S"
@@ -515,6 +525,7 @@
 			"variations": [{
 				"id": "2346257680",
 				"key": "2346257680",
+				"featureEnabled": true,
 				"variables": [{
 					"id": "675244127",
 					"value": "D"
@@ -537,6 +548,7 @@
 			"variations": [{
 				"id": "3137445031",
 				"key": "3137445031",
+				"featureEnabled": true,
 				"variables": [{
 					"id": "675244127",
 					"value": "M"
@@ -562,6 +574,7 @@
 			"variations": [{
 				"id": "589640735",
 				"key": "589640735",
+				"featureEnabled": true,
 				"variables": []
 			}],
 			"trafficAllocation": [{
@@ -571,4 +584,4 @@
 		}]
 	}],
 	"variables": []
-}
+}

android-sdk/src/main/java/com/optimizely/ab/android/sdk/OptimizelyClient.java

@@ -33,6 +33,7 @@
 
 import java.util.Collections;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 /**
@@ -382,6 +383,22 @@ public void clearNotificationListeners() {
         }
     }
 
+    /**
+     * Get the list of features that are enabled for the user.
+     * @param userId The ID of the user.
+     * @param attributes The user's attributes.
+     * @return List of the feature keys that are enabled for the user if the userId is empty it will
+     * return Empty List.
+     */
+    public List<String> getEnabledFeatures(@NonNull String userId, @NonNull Map<String, String> attributes) {
+        if (isValid()) {
+            return optimizely.getEnabledFeatures(userId, attributes);
+        } else {
+            logger.warn("Optimizely is not initialized, could not get enabled feature for user {}",
+                    userId);
+            return null;
+        }
+    }
     //======== FeatureFlag APIs ========//
 
     /**

build.gradle

@@ -53,7 +53,7 @@ ext {
     build_tools_version = "27.0.0"
     min_sdk_version = 10
     target_sdk_version = 26
-    java_core_ver = "2.0.0-beta4"
+    java_core_ver = "2.0.0-beta6"
     android_logger_ver = "1.3.6"
     support_annotations_ver = "24.2.1"
     junit_ver = "4.12"