Merge "Disable lock screen by default for demo users" into oc-dr1-dev
diff --git a/core/java/com/android/internal/widget/LockPatternUtils.java b/core/java/com/android/internal/widget/LockPatternUtils.java
index e3b9178..53a9654 100644
--- a/core/java/com/android/internal/widget/LockPatternUtils.java
+++ b/core/java/com/android/internal/widget/LockPatternUtils.java
@@ -648,8 +648,12 @@
         boolean disabledByDefault = mContext.getResources().getBoolean(
                 com.android.internal.R.bool.config_disableLockscreenByDefault);
         boolean isSystemUser = UserManager.isSplitSystemUser() && userId == UserHandle.USER_SYSTEM;
+        UserInfo userInfo = getUserManager().getUserInfo(userId);
+        boolean isDemoUser = UserManager.isDeviceInDemoMode(mContext) && userInfo != null
+                && userInfo.isDemo();
         return getBoolean(DISABLE_LOCKSCREEN_KEY, false, userId)
-                || (disabledByDefault && !isSystemUser);
+                || (disabledByDefault && !isSystemUser)
+                || isDemoUser;
     }
 
     /**
diff --git a/core/tests/utiltests/AndroidManifest.xml b/core/tests/utiltests/AndroidManifest.xml
index da09894..d6384e7 100644
--- a/core/tests/utiltests/AndroidManifest.xml
+++ b/core/tests/utiltests/AndroidManifest.xml
@@ -40,6 +40,7 @@
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
     <uses-permission android:name="android.permission.PACKET_KEEPALIVE_OFFLOAD" />
+    <uses-permission android:name="android.permission.ACCESS_KEYGUARD_SECURE_STORAGE" />
 
     <application>
         <uses-library android:name="android.test.runner" />
diff --git a/core/tests/utiltests/src/com/android/internal/util/LockPatternUtilsTest.java b/core/tests/utiltests/src/com/android/internal/util/LockPatternUtilsTest.java
new file mode 100644
index 0000000..b18ee17
--- /dev/null
+++ b/core/tests/utiltests/src/com/android/internal/util/LockPatternUtilsTest.java
@@ -0,0 +1,100 @@
+/*
+ * 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.internal.util;
+
+import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_MANAGED;
+import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.ContextWrapper;
+import android.content.pm.UserInfo;
+import android.os.UserManager;
+import android.provider.Settings;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.filters.SmallTest;
+import android.support.test.runner.AndroidJUnit4;
+
+import android.test.mock.MockContentResolver;
+import com.android.internal.util.test.FakeSettingsProvider;
+import com.android.internal.widget.ILockSettings;
+import com.android.internal.widget.LockPatternUtils;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mockito;
+
+@RunWith(AndroidJUnit4.class)
+@SmallTest
+public class LockPatternUtilsTest {
+
+    private static final int DEMO_USER_ID = 5;
+
+    private LockPatternUtils mLockPatternUtils;
+
+    private void configureTest(boolean isSecure, boolean isDemoUser, int deviceDemoMode)
+            throws Exception {
+        final Context context = spy(new ContextWrapper(InstrumentationRegistry.getTargetContext()));
+
+        final MockContentResolver cr = new MockContentResolver(context);
+        cr.addProvider(Settings.AUTHORITY, new FakeSettingsProvider());
+        when(context.getContentResolver()).thenReturn(cr);
+        Settings.Global.putInt(cr, Settings.Global.DEVICE_DEMO_MODE, deviceDemoMode);
+
+        final ILockSettings ils = Mockito.mock(ILockSettings.class);
+        when(ils.havePassword(DEMO_USER_ID)).thenReturn(isSecure);
+        when(ils.getLong("lockscreen.password_type", PASSWORD_QUALITY_UNSPECIFIED, DEMO_USER_ID))
+                .thenReturn((long) PASSWORD_QUALITY_MANAGED);
+        // TODO(b/63758238): stop spying the class under test
+        mLockPatternUtils = spy(new LockPatternUtils(context));
+        when(mLockPatternUtils.getLockSettings()).thenReturn(ils);
+
+        final UserInfo userInfo = Mockito.mock(UserInfo.class);
+        when(userInfo.isDemo()).thenReturn(isDemoUser);
+        final UserManager um = Mockito.mock(UserManager.class);
+        when(um.getUserInfo(DEMO_USER_ID)).thenReturn(userInfo);
+        when(context.getSystemService(Context.USER_SERVICE)).thenReturn(um);
+    }
+
+    @Test
+    public void isLockScreenDisabled_isDemoUser_true() throws Exception {
+        configureTest(false, true, 2);
+        assertTrue(mLockPatternUtils.isLockScreenDisabled(DEMO_USER_ID));
+    }
+
+    @Test
+    public void isLockScreenDisabled_isSecureAndDemoUser_false() throws Exception {
+        configureTest(true, true, 2);
+        assertFalse(mLockPatternUtils.isLockScreenDisabled(DEMO_USER_ID));
+    }
+
+    @Test
+    public void isLockScreenDisabled_isNotDemoUser_false() throws Exception {
+        configureTest(false, false, 2);
+        assertFalse(mLockPatternUtils.isLockScreenDisabled(DEMO_USER_ID));
+    }
+
+    @Test
+    public void isLockScreenDisabled_isNotInDemoMode_false() throws Exception {
+        configureTest(false, true, 0);
+        assertFalse(mLockPatternUtils.isLockScreenDisabled(DEMO_USER_ID));
+    }
+}