chore: standard activity lifecycle

randunit-android/src/main/java/com/williamfzc/randunit/exceptions/RUInstanceException.kt

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2021 williamfzc
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package com.williamfzc.randunit.exceptions
+
+class RUInstanceException(reason: String) : RUException(reason)

randunit-android/src/main/java/com/williamfzc/randunit/operations/ActivityOperation.kt

@@ -1,15 +1,28 @@
 package com.williamfzc.randunit.operations
 
 import android.app.Activity
+import com.williamfzc.randunit.exceptions.RUInstanceException
 import org.robolectric.Robolectric
+import org.robolectric.android.controller.ActivityController
 
 class ActivityOperation(t: Class<*>) : AbstractAndroidOperation(t) {
+    private var activityController: ActivityController<Activity>? = null
+
     override fun getInstance(): Activity {
         @Suppress("UNCHECKED_CAST")
-        return Robolectric.buildActivity(type as Class<Activity>).create().get()
+        activityController = Robolectric.buildActivity(type as Class<Activity>)
+
+        // robolectric issue #2068
+        activityController?.run {
+            return this.create().start().resume().visible().get()
+        }
+        throw RUInstanceException("create activity failed")
     }
 
     override fun tearDown(caller: Any) {
-        (caller as Activity).finish()
+        activityController?.run {
+            (caller as ActivityController<*>).pause().stop().destroy()
+            cleanInstanceCache()
+        }
     }
 }

randunit-android/src/main/java/com/williamfzc/randunit/operations/ServiceOperation.kt

@@ -15,6 +15,8 @@ class ServiceOperation(t: Class<*>) : AbstractAndroidOperation(t) {
     }
 
     override fun tearDown(caller: Any) {
-        (caller as Service).stopSelf()
+        val c = (caller as Service)
+        c.onDestroy()
+        c.stopSelf()
     }
 }

randunit/src/main/kotlin/com/williamfzc/randunit/operations/AbstractOperation.kt

@@ -21,7 +21,7 @@ object DefaultOperationType
 
 abstract class AbstractOperation(val type: Class<*> = DefaultOperationType::class.java) {
     // inst cache
-    var cacheInst: Any? = null
+    private var cacheInst: Any? = null
     fun getInstanceWithCache(): Any {
         cacheInst?.let { return it }
         // create