Check for sidecar null-ness before removing

Test: cd tests/robotests && mma
Bug: 36681116
Change-Id: Id48113502c538b607d92700d3e58943614cfc150

tests/robotests/src/com/android/settings/fingerprint/FingerprintEnrollFindSensorTest.java

@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * 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.android.settings.fingerprint;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyInt;
+import static org.mockito.Mockito.verify;
+import static org.robolectric.RuntimeEnvironment.application;
+
+import android.content.ComponentName;
+import android.content.Intent;
+import android.hardware.fingerprint.FingerprintManager.EnrollmentCallback;
+import android.os.CancellationSignal;
+import android.widget.Button;
+
+import com.android.settings.ChooseLockSettingsHelper;
+import com.android.settings.R;
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+import com.android.settings.password.IFingerprintManager;
+import com.android.settings.testutils.shadow.SettingsShadowResources;
+import com.android.settings.testutils.shadow.ShadowDynamicIndexableContentMonitor;
+import com.android.settings.testutils.shadow.ShadowEventLogWriter;
+import com.android.settings.testutils.shadow.ShadowUtils;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.Robolectric;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.Shadows;
+import org.robolectric.annotation.Config;
+import org.robolectric.shadows.ShadowActivity;
+import org.robolectric.shadows.ShadowActivity.IntentForResult;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(
+        manifest = TestConfig.MANIFEST_PATH,
+        sdk = TestConfig.SDK_VERSION,
+        shadows = {
+                SettingsShadowResources.class,
+                SettingsShadowResources.SettingsShadowTheme.class,
+                ShadowDynamicIndexableContentMonitor.class,
+                ShadowEventLogWriter.class,
+                ShadowUtils.class
+        })
+public class FingerprintEnrollFindSensorTest {
+
+    @Mock
+    private IFingerprintManager mFingerprintManager;
+
+    private FingerprintEnrollFindSensor mActivity;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        ShadowUtils.setFingerprintManager(mFingerprintManager);
+
+        RuntimeEnvironment.getAppResourceLoader().getResourceIndex();
+
+        mActivity = Robolectric.buildActivity(
+                FingerprintEnrollFindSensor.class,
+                new Intent()
+                        // Set the challenge token so the confirm screen will not be shown
+                        .putExtra(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN, new byte[0]))
+                .setup().get();
+    }
+
+    @After
+    public void tearDown() {
+        ShadowUtils.reset();
+    }
+
+    @Test
+    public void clickNextAndFingerprint_shouldNotCrash() {
+        ArgumentCaptor<EnrollmentCallback> callbackCaptor =
+                ArgumentCaptor.forClass(EnrollmentCallback.class);
+        verify(mFingerprintManager).enroll(
+                any(byte[].class),
+                any(CancellationSignal.class),
+                anyInt(),
+                anyInt(),
+                callbackCaptor.capture());
+
+        Button nextButton = mActivity.findViewById(R.id.next_button);
+        nextButton.performClick();
+        callbackCaptor.getValue().onEnrollmentProgress(123);
+        nextButton.performClick();
+
+        ShadowActivity shadowActivity = Shadows.shadowOf(mActivity);
+        IntentForResult startedActivity =
+                shadowActivity.getNextStartedActivityForResult();
+        assertThat(startedActivity).named("Next activity 1").isNotNull();
+        assertThat(startedActivity.intent.getComponent())
+                .isEqualTo(new ComponentName(application, FingerprintEnrollEnrolling.class));
+
+        // Should only start one next activity
+        assertThat(shadowActivity.getNextStartedActivityForResult()).named("Next activity 2")
+                .isNull();
+    }
+}

tests/robotests/src/com/android/settings/testutils/shadow/SettingsShadowResources.java

@@ -139,10 +139,14 @@ public class SettingsShadowResources extends ShadowResources {
             // Replace all private string references with a placeholder.
             if (set != null) {
                 for (int i = 0; i < set.getAttributeCount(); ++i) {
-                    if (set.getAttributeValue(i).startsWith("@*android:string")) {
-                        Node node = ReflectionHelpers.callInstanceMethod(
-                                XmlResourceParserImpl.class, set, "getAttributeAt",
-                                ReflectionHelpers.ClassParameter.from(int.class, i));
+                    String attributeValue = set.getAttributeValue(i);
+                    Node node = ReflectionHelpers.callInstanceMethod(
+                            XmlResourceParserImpl.class, set, "getAttributeAt",
+                            ReflectionHelpers.ClassParameter.from(int.class, i));
+                    if (attributeValue.contains("attr/fingerprint_layout_theme")) {
+                        // Workaround for https://github.com/robolectric/robolectric/issues/2641
+                        node.setNodeValue("@style/FingerprintLayoutTheme");
+                    } else if (attributeValue.startsWith("@*android:string")) {
                         node.setNodeValue("PLACEHOLDER");
                     }
                 }
@@ -156,7 +160,6 @@ public class SettingsShadowResources extends ShadowResources {
                     ReflectionHelpers.getField(assetManager, "appliedStyles");
             for (Long idx : appliedStylesList.keySet()) {
                 List<Object> appliedStyles = appliedStylesList.get(idx);
-                int i = 1;
                 for (Object appliedStyle : appliedStyles) {
                     StyleResolver styleResolver = ReflectionHelpers.getField(appliedStyle, "style");
                     List<StyleData> styleDatas =

tests/robotests/src/com/android/settings/testutils/shadow/ShadowUtils.java

@@ -19,6 +19,7 @@ package com.android.settings.testutils.shadow;
 import android.content.Context;
 
 import com.android.settings.Utils;
+import com.android.settings.password.IFingerprintManager;
 
 import org.robolectric.annotation.Implementation;
 import org.robolectric.annotation.Implements;
@@ -26,8 +27,23 @@ import org.robolectric.annotation.Implements;
 @Implements(Utils.class)
 public class ShadowUtils {
 
+    private static IFingerprintManager sFingerprintManager = null;
+
     @Implementation
     public static int enforceSameOwner(Context context, int userId) {
         return userId;
     }
+
+    @Implementation
+    public static IFingerprintManager getFingerprintManagerWrapperOrNull(Context context) {
+        return sFingerprintManager;
+    }
+
+    public static void setFingerprintManager(IFingerprintManager fingerprintManager) {
+        sFingerprintManager = fingerprintManager;
+    }
+
+    public static void reset() {
+        sFingerprintManager = null;
+    }
 }