Сократить lifecycle overhead ранних ботов

app/src/androidTest/java/com/projectsacrifice/game/EarlyLevelPlaythroughTest.java

@@ -17,30 +17,27 @@ import static org.junit.Assert.assertTrue;
 public final class EarlyLevelPlaythroughTest {
     @Test
     public void levelOneProvesMovementAndJumpWithoutDeaths() {
-        for (int pass = 1; pass <= 3; pass++) {
-            LevelPlaytestBot.Result result = run(EarlyLevelScenarios.levelOne(), 20_000L);
+        runThreeConsecutive(EarlyLevelScenarios.levelOne(), 20_000L, (pass, result) -> {
             assertTrue(passDiagnostic(pass, result), result.completed());
             assertEquals("Pass " + pass + ": level 1 must not require a volunteer",
                     0, result.deaths());
-        }
+        });
     }
 
     @Test
     public void levelTwoBuildsTheIntendedThreeCorpseBridge() {
-        for (int pass = 1; pass <= 3; pass++) {
-            LevelPlaytestBot.Result result = run(EarlyLevelScenarios.levelTwo(), 30_000L);
+        runThreeConsecutive(EarlyLevelScenarios.levelTwo(), 30_000L, (pass, result) -> {
             assertTrue(passDiagnostic(pass, result), result.completed());
             assertEquals("Pass " + pass + ": the intended bridge uses three volunteers",
                     3, result.deaths());
             assertEquals("Pass " + pass + ": all three bridge bodies must remain",
                     3, result.corpseCount());
-        }
+        });
     }
 
     @Test
     public void levelThreeLeavesASawCorpseOnThePlateAndOpensTheDoor() {
-        for (int pass = 1; pass <= 3; pass++) {
-            LevelPlaytestBot.Result result = run(EarlyLevelScenarios.levelThree(), 25_000L);
+        runThreeConsecutive(EarlyLevelScenarios.levelThree(), 25_000L, (pass, result) -> {
             assertTrue(passDiagnostic(pass, result), result.completed());
             assertEquals("Pass " + pass + ": the saw solution requires one volunteer",
                     1, result.deaths());
@@ -48,34 +45,40 @@ public final class EarlyLevelPlaythroughTest {
                     1, result.corpseCount());
             assertTrue("Pass " + pass + ": the corpse must keep the pressure door open",
                     result.doorOpened());
-        }
+        });
     }
 
     @Test
     public void levelFourTogglesAndRidesTheLiftToTheUpperGallery() {
-        for (int pass = 1; pass <= 3; pass++) {
-            LevelPlaytestBot.Result result = run(EarlyLevelScenarios.levelFour(), 30_000L);
+        runThreeConsecutive(EarlyLevelScenarios.levelFour(), 30_000L, (pass, result) -> {
             assertTrue(passDiagnostic(pass, result), result.completed());
             assertEquals("Pass " + pass + ": the lift route must not require a volunteer",
                     0, result.deaths());
-        }
+        });
     }
 
     private static String passDiagnostic(int pass, LevelPlaytestBot.Result result) {
         return "Consecutive pass " + pass + ": " + result.diagnostic();
     }
 
-    private static LevelPlaytestBot.Result run(LevelPlaytestBot.Scenario scenario, long timeoutMillis) {
+    private static void runThreeConsecutive(LevelPlaytestBot.Scenario scenario, long timeoutMillis,
+                                            ResultAssertion assertion) {
         try (ActivityScenario<MainActivity> activity = ActivityScenario.launch(MainActivity.class)) {
             final GameView[] view = new GameView[1];
             activity.onActivity(mainActivity -> view[0] = mainActivity.gameViewForAutomation());
-            return new LevelPlaytestBot().run(
-                    new AndroidDriver(InstrumentationRegistry.getInstrumentation(), view[0]),
-                    scenario,
-                    timeoutMillis
-            );
+            AndroidDriver driver = new AndroidDriver(
+                    InstrumentationRegistry.getInstrumentation(), view[0]);
+            LevelPlaytestBot bot = new LevelPlaytestBot();
+            for (int pass = 1; pass <= 3; pass++) {
+                assertion.verify(pass, bot.run(driver, scenario, timeoutMillis));
             }
         }
+    }
+
+    @FunctionalInterface
+    private interface ResultAssertion {
+        void verify(int pass, LevelPlaytestBot.Result result);
+    }
 
     private static final class AndroidDriver implements LevelPlaytestBot.Driver {
         private final Instrumentation instrumentation;

app/src/test/java/com/projectsacrifice/game/LevelPlaytestBotTest.java

@@ -25,6 +25,25 @@ public final class LevelPlaytestBotTest {
         assertEquals("Reach the goal", result.lastStep());
     }
 
+    @Test
+    public void sameDriverCanRestartTheCompleteScenarioThreeTimes() {
+        ScriptedDriver driver = new ScriptedDriver();
+        LevelPlaytestBot.Scenario scenario = LevelPlaytestBot.Scenario
+                .builder(7, "Repeated scenario")
+                .step("Create a corpse", 1_000L, LevelPlaytestBot.Input.right(),
+                        snapshot -> snapshot.deaths() >= 1)
+                .step("Reach the goal", 1_000L, LevelPlaytestBot.Input.left(),
+                        GameView.AutomationSnapshot::completed)
+                .build();
+
+        for (int pass = 1; pass <= 3; pass++) {
+            LevelPlaytestBot.Result result = new LevelPlaytestBot().run(driver, scenario, 5_000L);
+            assertTrue("Pass " + pass + ": " + result.diagnostic(), result.completed());
+            assertEquals("Pass " + pass, "Reach the goal", result.lastStep());
+            assertEquals("Pass " + pass, 1, result.deaths());
+        }
+    }
+
     @Test
     public void stepTimeoutReportsItsNameAndObservableSnapshot() {
         ScriptedDriver driver = new ScriptedDriver(false);
@@ -81,6 +100,11 @@ public final class LevelPlaytestBotTest {
         @Override
         public void startLevel(int oneBasedLevelNumber) {
             startedLevel = oneBasedLevelNumber;
+            nowMillis = 0L;
+            moveLeft = false;
+            moveRight = false;
+            deaths = 0;
+            completed = false;
         }
 
         @Override