Add summary text for more top level setting tiles

- Connected devices
- App & notifs
- Battery

Bug: 110405144
Test: robotests
Change-Id: Ife44f7c5165483a1bad903ce90a241108ab5da25

tests/robotests/src/com/android/settings/accounts/TopLevelAccountEntryPreferenceControllerTest.java

@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2018 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.accounts;
+
+import static com.android.settings.accounts.TopLevelAccountEntryPreferenceControllerTest
+        .ShadowAuthenticationHelper.LABELS;
+import static com.android.settings.accounts.TopLevelAccountEntryPreferenceControllerTest
+        .ShadowAuthenticationHelper.TYPES;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.os.UserHandle;
+import android.text.TextUtils;
+
+import com.android.settings.R;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settingslib.accounts.AuthenticatorHelper;
+
+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;
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+import org.robolectric.annotation.Resetter;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(shadows = {TopLevelAccountEntryPreferenceControllerTest.ShadowAuthenticationHelper.class})
+public class TopLevelAccountEntryPreferenceControllerTest {
+
+    private TopLevelAccountEntryPreferenceController mController;
+    private Context mContext;
+
+    @Before
+    public void setUp() {
+        mContext = RuntimeEnvironment.application;
+        mController = new TopLevelAccountEntryPreferenceController(mContext, "test_key");
+    }
+
+    @After
+    public void tearDown() {
+        ShadowAuthenticationHelper.reset();
+    }
+
+    @Test
+
+    public void updateSummary_hasAccount_shouldDisplayUpTo3AccountTypes() {
+        assertThat(mController.getSummary())
+                .isEqualTo(LABELS[0] + ", " + LABELS[1] + ", and " + LABELS[2]);
+    }
+
+    @Test
+    public void updateSummary_noAccount_shouldDisplayDefaultSummary() {
+        ShadowAuthenticationHelper.setEnabledAccount(null);
+
+        assertThat(mController.getSummary()).isEqualTo(
+                mContext.getText(R.string.account_dashboard_default_summary));
+    }
+
+    @Test
+    public void updateSummary_noAccountTypeLabel_shouldNotDisplayNullEntry() {
+        final String[] enabledAccounts = {TYPES[0], "unlabeled_account_type", TYPES[1]};
+        ShadowAuthenticationHelper.setEnabledAccount(enabledAccounts);
+
+
+        // should only show the 2 accounts with labels
+        assertThat(mController.getSummary()).isEqualTo(LABELS[0] + " and " + LABELS[1]);
+    }
+
+    @Implements(AuthenticatorHelper.class)
+    public static class ShadowAuthenticationHelper {
+
+        static final String[] TYPES = {"type1", "type2", "type3", "type4"};
+        static final String[] LABELS = {"LABEL1", "LABEL2", "LABEL3", "LABEL4"};
+        private static String[] sEnabledAccount = TYPES;
+
+        public void __constructor__(Context context, UserHandle userHandle,
+                AuthenticatorHelper.OnAccountsUpdateListener listener) {
+        }
+
+        private static void setEnabledAccount(String[] enabledAccount) {
+            sEnabledAccount = enabledAccount;
+        }
+
+        @Resetter
+        public static void reset() {
+            sEnabledAccount = TYPES;
+        }
+
+        @Implementation
+        public String[] getEnabledAccountTypes() {
+            return sEnabledAccount;
+        }
+
+        @Implementation
+        public CharSequence getLabelForType(Context context, final String accountType) {
+            if (TextUtils.equals(accountType, TYPES[0])) {
+                return LABELS[0];
+            } else if (TextUtils.equals(accountType, TYPES[1])) {
+                return LABELS[1];
+            } else if (TextUtils.equals(accountType, TYPES[2])) {
+                return LABELS[2];
+            } else if (TextUtils.equals(accountType, TYPES[3])) {
+                return LABELS[3];
+            }
+            return null;
+        }
+    }
+}