Allow skipping PIN setup screen

So that setup wizard can show PIN option by default.

Test: Added Robolectric and instrumentation tests
Bug: 38509560
Change-Id: Id72744dd444b9b026ca5f28f230bae3bec254b2f
(cherry picked from commit 0f897d79f6)

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

@@ -0,0 +1,111 @@
+/*
+ * 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.robolectric.RuntimeEnvironment.application;
+
+import android.app.KeyguardManager;
+import android.content.Intent;
+import android.content.pm.UserInfo;
+import android.view.View;
+import android.widget.Button;
+
+import com.android.settings.R;
+import com.android.settings.TestConfig;
+import com.android.settings.password.SetupSkipDialog;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settings.testutils.shadow.ShadowEventLogWriter;
+import com.android.settings.testutils.shadow.ShadowLockPatternUtils;
+import com.android.settings.testutils.shadow.ShadowUserManager;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.Robolectric;
+import org.robolectric.Shadows;
+import org.robolectric.annotation.Config;
+import org.robolectric.shadows.ShadowActivity;
+import org.robolectric.shadows.ShadowKeyguardManager;
+import org.robolectric.util.ActivityController;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(
+        manifest = TestConfig.MANIFEST_PATH,
+        sdk = TestConfig.SDK_VERSION,
+        shadows = {
+                ShadowEventLogWriter.class,
+                ShadowLockPatternUtils.class,
+                ShadowUserManager.class
+        })
+public class SetupFingerprintEnrollIntroductionTest {
+
+    @Mock
+    private UserInfo mUserInfo;
+
+    private ActivityController<SetupFingerprintEnrollIntroduction> mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        final Intent intent = new Intent();
+        mController = Robolectric.buildActivity(SetupFingerprintEnrollIntroduction.class, intent);
+
+        ShadowUserManager.getShadow().setUserInfo(0, mUserInfo);
+    }
+
+    @Test
+    public void testKeyguardNotSecure_shouldFinishWithSetupSkipDialogResultSkip() {
+        getShadowKeyguardManager().setIsKeyguardSecure(false);
+
+        mController.create().resume();
+
+        final Button skipButton = mController.get().findViewById(R.id.fingerprint_cancel_button);
+        assertThat(skipButton.getVisibility()).named("Skip visible").isEqualTo(View.VISIBLE);
+        skipButton.performClick();
+
+        ShadowActivity shadowActivity = Shadows.shadowOf(mController.get());
+        assertThat(mController.get().isFinishing()).named("Is finishing").isTrue();
+        assertThat(shadowActivity.getResultCode()).named("Result code")
+                .isEqualTo(SetupSkipDialog.RESULT_SKIP);
+    }
+
+    @Test
+    public void testKeyguardSecure_shouldFinishWithFingerprintResultSkip() {
+        getShadowKeyguardManager().setIsKeyguardSecure(true);
+
+        mController.create().resume();
+
+        final Button skipButton = mController.get().findViewById(R.id.fingerprint_cancel_button);
+        assertThat(skipButton.getVisibility()).named("Skip visible").isEqualTo(View.VISIBLE);
+        skipButton.performClick();
+
+        ShadowActivity shadowActivity = Shadows.shadowOf(mController.get());
+        assertThat(mController.get().isFinishing()).named("Is finishing").isTrue();
+        assertThat(shadowActivity.getResultCode()).named("Result code")
+                .isEqualTo(FingerprintEnrollBase.RESULT_SKIP);
+    }
+
+    private ShadowKeyguardManager getShadowKeyguardManager() {
+        return Shadows.shadowOf(application.getSystemService(KeyguardManager.class));
+    }
+}

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

@@ -16,6 +16,8 @@
 
 package com.android.settings.testutils.shadow;
 
+import android.app.admin.DevicePolicyManager;
+
 import com.android.internal.widget.LockPatternUtils;
 import org.robolectric.annotation.Implementation;
 import org.robolectric.annotation.Implements;
@@ -27,4 +29,9 @@ public class ShadowLockPatternUtils {
     public boolean isSecure(int id) {
         return true;
     }
+
+    @Implementation
+    public int getActivePasswordQuality(int userId) {
+        return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED;
+    }
 }

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

@@ -16,11 +16,19 @@
 
 package com.android.settings.testutils.shadow;
 
+import android.annotation.UserIdInt;
 import android.content.Context;
+import android.content.pm.UserInfo;
 import android.os.UserManager;
+import android.util.SparseArray;
 
+import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Implementation;
 import org.robolectric.annotation.Implements;
+import org.robolectric.internal.ShadowExtractor;
+
+import java.util.Collections;
+import java.util.List;
 
 /**
  * This class provides the API 24 implementation of UserManager.get(Context).
@@ -28,8 +36,34 @@ import org.robolectric.annotation.Implements;
 @Implements(UserManager.class)
 public class ShadowUserManager {
 
+    private SparseArray<UserInfo> mUserInfos = new SparseArray<>();
+
+    public void setUserInfo(int userHandle, UserInfo userInfo) {
+        mUserInfos.put(userHandle, userInfo);
+    }
+
+    @Implementation
+    public UserInfo getUserInfo(int userHandle) {
+        return mUserInfos.get(userHandle);
+    }
+
+    @Implementation
+    public List<UserInfo> getProfiles(@UserIdInt int userHandle) {
+        return Collections.emptyList();
+    }
+
+    @Implementation
+    public int getCredentialOwnerProfile(@UserIdInt int userHandle) {
+        return userHandle;
+    }
+
     @Implementation
     public static UserManager get(Context context) {
         return (UserManager) context.getSystemService(Context.USER_SERVICE);
     }
+
+    public static ShadowUserManager getShadow() {
+        return (ShadowUserManager) ShadowExtractor.extract(
+                RuntimeEnvironment.application.getSystemService(UserManager.class));
+    }
 }