Convert the rest of encryption page into pref controller

Bug: 32953042
Test: robotests
Change-Id: I6c1b28314a988e6499065ddaee2aeae0ac28c537

tests/robotests/src/com/android/settings/security/CredentialStoragePreferenceControllerTest.java

@@ -0,0 +1,72 @@
+/*
+ * 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.security;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.support.v7.preference.Preference;
+
+import com.android.settings.R;
+import com.android.settings.TestConfig;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settings.testutils.shadow.ShadowKeyStore;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION_O,
+        shadows = {
+                ShadowKeyStore.class
+        })
+public class CredentialStoragePreferenceControllerTest {
+
+    private Context mContext;
+    private CredentialStoragePreferenceController mController;
+    private Preference mPreference;
+
+    @Before
+    public void setUp() {
+        mContext = RuntimeEnvironment.application;
+        mController = new CredentialStoragePreferenceController(mContext);
+        mPreference = new Preference(mContext);
+    }
+
+    @Test
+    public void updateState_hardwareBacked_showHardwareSummary() {
+        ShadowKeyStore.setHardwareBacked(true);
+
+        mController.updateState(mPreference);
+
+        assertThat(mPreference.getSummary())
+                .isEqualTo(mContext.getText(R.string.credential_storage_type_hardware));
+    }
+
+    @Test
+    public void updateState_hardwareBacked_showSoftwareSummary() {
+        ShadowKeyStore.setHardwareBacked(false);
+
+        mController.updateState(mPreference);
+
+        assertThat(mPreference.getSummary())
+                .isEqualTo(mContext.getText(R.string.credential_storage_type_software));
+    }
+}

tests/robotests/src/com/android/settings/security/EncryptionStatusPreferenceControllerTest.java

@@ -34,7 +34,7 @@ import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
 
 @RunWith(SettingsRobolectricTestRunner.class)
-@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION,
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION_O,
         shadows = {
                 ShadowUserManager.class,
                 ShadowLockPatternUtils.class

tests/robotests/src/com/android/settings/security/RestrictedEncryptionPreferenceControllerTest.java

@@ -0,0 +1,86 @@
+/*
+ * 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.security;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.os.UserManager;
+
+import com.android.settings.TestConfig;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settings.testutils.shadow.ShadowUserManager;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION_O,
+        shadows = {
+                ShadowUserManager.class
+        })
+public class RestrictedEncryptionPreferenceControllerTest {
+
+    private Context mContext;
+    private ShadowUserManager mUserManager;
+    private CredentialStoragePreferenceController mCredentialStoragePreferenceController;
+    private InstallCredentialsPreferenceController mInstallCredentialsPreferenceController;
+    private ResetCredentialsPreferenceController mResetCredentialsPreferenceController;
+    private UserCredentialsPreferenceController mUserCredentialsPreferenceController;
+
+    @Before
+    public void setUp() {
+        mContext = RuntimeEnvironment.application;
+        mCredentialStoragePreferenceController =
+                new CredentialStoragePreferenceController(mContext);
+        mInstallCredentialsPreferenceController =
+                new InstallCredentialsPreferenceController(mContext);
+        mResetCredentialsPreferenceController =
+                new ResetCredentialsPreferenceController(mContext, new Lifecycle());
+        mUserCredentialsPreferenceController =
+                new UserCredentialsPreferenceController(mContext);
+        mUserManager = ShadowUserManager.getShadow();
+    }
+
+    @After
+    public void tearDown() {
+        mUserManager.reset();
+    }
+
+    @Test
+    public void isAvailable_noRestriction_shouldReturnTrue() {
+        assertThat(mCredentialStoragePreferenceController.isAvailable()).isTrue();
+        assertThat(mInstallCredentialsPreferenceController.isAvailable()).isTrue();
+        assertThat(mResetCredentialsPreferenceController.isAvailable()).isTrue();
+        assertThat(mUserCredentialsPreferenceController.isAvailable()).isTrue();
+    }
+
+    @Test
+    public void isAvailable_hasRestriction_shouldReturnFalse() {
+        mUserManager.addBaseUserRestriction(UserManager.DISALLOW_CONFIG_CREDENTIALS);
+
+        assertThat(mCredentialStoragePreferenceController.isAvailable()).isFalse();
+        assertThat(mInstallCredentialsPreferenceController.isAvailable()).isFalse();
+        assertThat(mResetCredentialsPreferenceController.isAvailable()).isFalse();
+        assertThat(mUserCredentialsPreferenceController.isAvailable()).isFalse();
+    }
+}

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

@@ -0,0 +1,43 @@
+/*
+ * 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.testutils.shadow;
+
+import android.security.KeyStore;
+
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+import org.robolectric.annotation.Resetter;
+
+@Implements(KeyStore.class)
+public class ShadowKeyStore {
+
+    private static boolean sIsHardwareBacked;
+
+    @Resetter
+    public void reset() {
+        sIsHardwareBacked = false;
+    }
+
+    @Implementation
+    public boolean isHardwareBacked() {
+        return sIsHardwareBacked;
+    }
+
+    public static void setHardwareBacked(boolean hardwareBacked) {
+        sIsHardwareBacked = hardwareBacked;
+    }
+}

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

@@ -19,30 +19,36 @@ package com.android.settings.testutils.shadow;
 import android.annotation.UserIdInt;
 import android.content.Context;
 import android.content.pm.UserInfo;
+import android.os.UserHandle;
 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.annotation.Resetter;
 import org.robolectric.shadow.api.Shadow;
 
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
-/**
- * This class provides the API 24 implementation of UserManager.get(Context).
- */
 @Implements(UserManager.class)
 public class ShadowUserManager extends org.robolectric.shadows.ShadowUserManager {
 
     private SparseArray<UserInfo> mUserInfos = new SparseArray<>();
     private boolean mAdminUser;
+    private List<String> mRestrictions = new ArrayList<>();
 
     public void setIsAdminUser(boolean isAdminUser) {
         mAdminUser = isAdminUser;
     }
 
+    @Resetter
+    public void reset() {
+        mRestrictions.clear();
+    }
+
     @Implementation
     public boolean isAdminUser() {
         return mAdminUser;
@@ -72,6 +78,15 @@ public class ShadowUserManager extends org.robolectric.shadows.ShadowUserManager
         return (UserManager) context.getSystemService(Context.USER_SERVICE);
     }
 
+    @Implementation
+    public boolean hasBaseUserRestriction(String restrictionKey, UserHandle userHandle) {
+        return mRestrictions.contains(restrictionKey);
+    }
+
+    public void addBaseUserRestriction(String restriction) {
+        mRestrictions.add(restriction);
+    }
+
     public static ShadowUserManager getShadow() {
         return (ShadowUserManager) Shadow.extract(
                 RuntimeEnvironment.application.getSystemService(UserManager.class));