Merge "[TNU08] Remove the "tethering is on" notification"

4 files changed, 39 insertions, 351 deletions

diff --git a/packages/Tethering/res/values/config.xml b/packages/Tethering/res/values/config.xml
index aed5ab8df6af..effc24ac4de5 100644
--- a/packages/Tethering/res/values/config.xml
+++ b/packages/Tethering/res/values/config.xml
@@ -156,51 +156,6 @@
     <!-- ComponentName of the service used to run no ui tether provisioning. -->
     <string translatable="false" name="config_wifi_tether_enable">com.android.settings/.wifi.tether.TetherService</string>
 
-    <!-- Enable tethering notification -->
-    <!-- Icons for showing tether enable notification.
-         Each item should have two elements and be separated with ";".
-
-         The first element is downstream types which is one of tethering. This element has to be
-         made by WIFI, USB, BT, and OR'd with the others. Use "|" to combine multiple downstream
-         types and use "," to separate each combinations. Such as
-
-             USB|BT,WIFI|USB|BT
-
-         The second element is icon for the item. This element has to be composed by
-         <package name>:drawable/<resource name>. Such as
-
-             1. com.android.networkstack.tethering:drawable/stat_sys_tether_general
-             2. android:drawable/xxx
-
-         So the entire string of each item would be
-
-             USB|BT,WIFI|USB|BT;com.android.networkstack.tethering:drawable/stat_sys_tether_general
-
-         NOTE: One config can be separated into two or more for readability. Such as
-
-               WIFI|USB,WIFI|BT,USB|BT,WIFI|USB|BT;android:drawable/xxx
-
-               can be separated into
-
-               WIFI|USB;android:drawable/xxx
-               WIFI|BT;android:drawable/xxx
-               USB|BT;android:drawable/xxx
-               WIFI|USB|BT;android:drawable/xxx
-
-         Notification will not show if the downstream type isn't listed in array.
-         Empty array means disable notifications. -->
-    <!-- In AOSP, hotspot is configured to no notification by default. Because status bar has showed
-         an icon on the right side already -->
-    <string-array translatable="false" name="tethering_notification_icons">
-        <item>USB;com.android.networkstack.tethering:drawable/stat_sys_tether_usb</item>
-        <item>BT;com.android.networkstack.tethering:drawable/stat_sys_tether_bluetooth</item>
-        <item>WIFI|USB,WIFI|BT,USB|BT,WIFI|USB|BT;com.android.networkstack.tethering:drawable/stat_sys_tether_general</item>
-    </string-array>
-    <!-- String for tether enable notification title. -->
-    <string name="tethering_notification_title">@string/tethered_notification_title</string>
-    <!-- String for tether enable notification message. -->
-    <string name="tethering_notification_message">@string/tethered_notification_message</string>
-
     <!-- No upstream notification is shown when there is a downstream but no upstream that is able
          to do the tethering. -->
     <!-- Delay(millisecond) to show no upstream notification after there's no Backhaul. Set delay to
diff --git a/packages/Tethering/res/values/overlayable.xml b/packages/Tethering/res/values/overlayable.xml
index bbba3f30a292..16ae8ade19da 100644
--- a/packages/Tethering/res/values/overlayable.xml
+++ b/packages/Tethering/res/values/overlayable.xml
@@ -32,44 +32,6 @@
             <item type="string" name="config_mobile_hotspot_provision_response"/>
             <item type="integer" name="config_mobile_hotspot_provision_check_period"/>
             <item type="string" name="config_wifi_tether_enable"/>
-            <!-- Configuration values for TetheringNotificationUpdater -->
-            <!-- Icons for showing tether enable notification.
-            Each item should have two elements and be separated with ";".
-
-            The first element is downstream types which is one of tethering. This element has to be
-            made by WIFI, USB, BT, and OR'd with the others. Use "|" to combine multiple downstream
-            types and use "," to separate each combinations. Such as
-
-            USB|BT,WIFI|USB|BT
-
-            The second element is icon for the item. This element has to be composed by
-            <package name>:drawable/<resource name>. Such as
-
-            1. com.android.networkstack.tethering:drawable/stat_sys_tether_general
-            2. android:drawable/xxx
-
-            So the entire string of each item would be
-
-            USB|BT,WIFI|USB|BT;com.android.networkstack.tethering:drawable/stat_sys_tether_general
-
-            NOTE: One config can be separated into two or more for readability. Such as
-
-                  WIFI|USB,WIFI|BT,USB|BT,WIFI|USB|BT;android:drawable/xxx
-
-                  can be separated into
-
-                  WIFI|USB;android:drawable/xxx
-                  WIFI|BT;android:drawable/xxx
-                  USB|BT;android:drawable/xxx
-                  WIFI|USB|BT;android:drawable/xxx
-
-            Notification will not show if the downstream type isn't listed in array.
-            Empty array means disable notifications. -->
-            <item type="array" name="tethering_notification_icons"/>
-            <!-- String for tether enable notification title. -->
-            <item type="string" name="tethering_notification_title"/>
-            <!-- String for tether enable notification message. -->
-            <item type="string" name="tethering_notification_message"/>
             <!-- Params from config.xml that can be overlaid -->
         </policy>
     </overlayable>
diff --git a/packages/Tethering/src/com/android/networkstack/tethering/TetheringNotificationUpdater.java b/packages/Tethering/src/com/android/networkstack/tethering/TetheringNotificationUpdater.java
index f490cc4719fa..7fd6b61ccdbe 100644
--- a/packages/Tethering/src/com/android/networkstack/tethering/TetheringNotificationUpdater.java
+++ b/packages/Tethering/src/com/android/networkstack/tethering/TetheringNotificationUpdater.java
@@ -17,9 +17,6 @@
 package com.android.networkstack.tethering;
 
 import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_ROAMING;
-import static android.net.TetheringManager.TETHERING_BLUETOOTH;
-import static android.net.TetheringManager.TETHERING_USB;
-import static android.net.TetheringManager.TETHERING_WIFI;
 import static android.text.TextUtils.isEmpty;
 
 import android.app.Notification;
@@ -39,10 +36,8 @@ import android.os.UserHandle;
 import android.provider.Settings;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
-import android.util.Log;
 import android.util.SparseArray;
 
-import androidx.annotation.ArrayRes;
 import androidx.annotation.DrawableRes;
 import androidx.annotation.IntDef;
 import androidx.annotation.IntRange;
@@ -77,9 +72,6 @@ public class TetheringNotificationUpdater {
     private static final boolean NO_NOTIFY = false;
     @VisibleForTesting
     static final int EVENT_SHOW_NO_UPSTREAM = 1;
-    // Id to update and cancel enable notification. Must be unique within the tethering app.
-    @VisibleForTesting
-    static final int ENABLE_NOTIFICATION_ID = 1000;
     // Id to update and cancel restricted notification. Must be unique within the tethering app.
     @VisibleForTesting
     static final int RESTRICTED_NOTIFICATION_ID = 1001;
@@ -120,7 +112,6 @@ public class TetheringNotificationUpdater {
 
     @Retention(RetentionPolicy.SOURCE)
     @IntDef(value = {
-            ENABLE_NOTIFICATION_ID,
             RESTRICTED_NOTIFICATION_ID,
             NO_UPSTREAM_NOTIFICATION_ID,
             ROAMING_NOTIFICATION_ID
@@ -223,7 +214,6 @@ public class TetheringNotificationUpdater {
         final boolean tetheringActiveChanged =
                 (downstreamTypes == DOWNSTREAM_NONE) != (mDownstreamTypesMask == DOWNSTREAM_NONE);
         final boolean subIdChanged = subId != mActiveDataSubId;
-        final boolean downstreamChanged = downstreamTypes != mDownstreamTypesMask;
         final boolean upstreamChanged = noUpstream != mNoUpstream;
         final boolean roamingChanged = isRoaming != mRoaming;
         final boolean updateAll = tetheringActiveChanged || subIdChanged;
@@ -232,19 +222,10 @@ public class TetheringNotificationUpdater {
         mNoUpstream = noUpstream;
         mRoaming = isRoaming;
 
-        if (updateAll || downstreamChanged) updateEnableNotification();
         if (updateAll || upstreamChanged) updateNoUpstreamNotification();
         if (updateAll || roamingChanged) updateRoamingNotification();
     }
 
-    private void updateEnableNotification() {
-        final boolean tetheringInactive = mDownstreamTypesMask == DOWNSTREAM_NONE;
-
-        if (tetheringInactive || setupNotification() == NO_NOTIFY) {
-            clearNotification(ENABLE_NOTIFICATION_ID);
-        }
-    }
-
     private void updateNoUpstreamNotification() {
         final boolean tetheringInactive = mDownstreamTypesMask == DOWNSTREAM_NONE;
 
@@ -310,64 +291,6 @@ public class TetheringNotificationUpdater {
                 NO_UPSTREAM_NOTIFICATION_ID, null /* pendingIntent */, action);
     }
 
-    /**
-     * Returns the downstream types mask which convert from given string.
-     *
-     * @param types This string has to be made by "WIFI", "USB", "BT", and OR'd with the others.
-     *
-     * @return downstream types mask value.
-     */
-    @VisibleForTesting
-    @IntRange(from = 0, to = 7)
-    int getDownstreamTypesMask(@NonNull final String types) {
-        int downstreamTypesMask = DOWNSTREAM_NONE;
-        final String[] downstreams = types.split("\\|");
-        for (String downstream : downstreams) {
-            if (USB_DOWNSTREAM.equals(downstream.trim())) {
-                downstreamTypesMask |= (1 << TETHERING_USB);
-            } else if (WIFI_DOWNSTREAM.equals(downstream.trim())) {
-                downstreamTypesMask |= (1 << TETHERING_WIFI);
-            } else if (BLUETOOTH_DOWNSTREAM.equals(downstream.trim())) {
-                downstreamTypesMask |= (1 << TETHERING_BLUETOOTH);
-            }
-        }
-        return downstreamTypesMask;
-    }
-
-    /**
-     * Returns the icons {@link android.util.SparseArray} which get from given string-array resource
-     * id.
-     *
-     * @param id String-array resource id
-     *
-     * @return {@link android.util.SparseArray} with downstream types and icon id info.
-     */
-    @NonNull
-    @VisibleForTesting
-    SparseArray<Integer> getIcons(@ArrayRes int id, @NonNull Resources res) {
-        final String[] array = res.getStringArray(id);
-        final SparseArray<Integer> icons = new SparseArray<>();
-        for (String config : array) {
-            if (isEmpty(config)) continue;
-
-            final String[] elements = config.split(";");
-            if (elements.length != 2) {
-                Log.wtf(TAG,
-                        "Unexpected format in Tethering notification configuration : " + config);
-                continue;
-            }
-
-            final String[] types = elements[0].split(",");
-            for (String type : types) {
-                int mask = getDownstreamTypesMask(type);
-                if (mask == DOWNSTREAM_NONE) continue;
-                icons.put(mask, res.getIdentifier(
-                        elements[1].trim(), null /* defType */, null /* defPackage */));
-            }
-        }
-        return icons;
-    }
-
     private boolean setupRoamingNotification() {
         final Resources res = getResourcesForSubId(mContext, mActiveDataSubId);
         final boolean upstreamRoamingNotification =
@@ -403,29 +326,6 @@ public class TetheringNotificationUpdater {
         return NOTIFY_DONE;
     }
 
-    private boolean setupNotification() {
-        final Resources res = getResourcesForSubId(mContext, mActiveDataSubId);
-        final SparseArray<Integer> downstreamIcons =
-                getIcons(R.array.tethering_notification_icons, res);
-
-        final int iconId = downstreamIcons.get(mDownstreamTypesMask, NO_ICON_ID);
-        if (iconId == NO_ICON_ID) return NO_NOTIFY;
-
-        final String title = res.getString(R.string.tethering_notification_title);
-        final String message = res.getString(R.string.tethering_notification_message);
-        if (isEmpty(title) || isEmpty(message)) return NO_NOTIFY;
-
-        final PendingIntent pi = PendingIntent.getActivity(
-                mContext.createContextAsUser(UserHandle.CURRENT, 0 /* flags */),
-                0 /* requestCode */,
-                new Intent(Settings.ACTION_TETHER_SETTINGS),
-                Intent.FLAG_ACTIVITY_NEW_TASK,
-                null /* options */);
-
-        showNotification(iconId, title, message, ENABLE_NOTIFICATION_ID, pi, new Action[0]);
-        return NOTIFY_DONE;
-    }
-
     private void showNotification(@DrawableRes final int iconId, @NonNull final String title,
             @NonNull final String message, @NotificationId final int id, @Nullable PendingIntent pi,
             @NonNull final Action... actions) {
diff --git a/packages/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringNotificationUpdaterTest.kt b/packages/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringNotificationUpdaterTest.kt
index 04f31a7a2880..745468fdf378 100644
--- a/packages/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringNotificationUpdaterTest.kt
+++ b/packages/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringNotificationUpdaterTest.kt
@@ -20,8 +20,6 @@ import android.app.Notification
 import android.app.NotificationManager
 import android.content.Context
 import android.content.res.Resources
-import android.net.ConnectivityManager.TETHERING_BLUETOOTH
-import android.net.ConnectivityManager.TETHERING_USB
 import android.net.ConnectivityManager.TETHERING_WIFI
 import android.os.Handler
 import android.os.HandlerThread
@@ -29,14 +27,12 @@ import android.os.Looper
 import android.net.NetworkCapabilities
 import android.net.NetworkCapabilities.NET_CAPABILITY_NOT_ROAMING
 import android.os.UserHandle
-import android.telephony.SubscriptionManager.INVALID_SUBSCRIPTION_ID
 import android.telephony.TelephonyManager
 import androidx.test.filters.SmallTest
 import androidx.test.platform.app.InstrumentationRegistry
 import androidx.test.runner.AndroidJUnit4
 import com.android.internal.util.test.BroadcastInterceptingContext
 import com.android.networkstack.tethering.TetheringNotificationUpdater.DOWNSTREAM_NONE
-import com.android.networkstack.tethering.TetheringNotificationUpdater.ENABLE_NOTIFICATION_ID
 import com.android.networkstack.tethering.TetheringNotificationUpdater.EVENT_SHOW_NO_UPSTREAM
 import com.android.networkstack.tethering.TetheringNotificationUpdater.NO_UPSTREAM_NOTIFICATION_ID
 import com.android.networkstack.tethering.TetheringNotificationUpdater.RESTRICTED_NOTIFICATION_ID
@@ -63,17 +59,9 @@ import org.mockito.Mockito.verifyZeroInteractions
 import org.mockito.MockitoAnnotations
 
 const val TEST_SUBID = 1
-const val WIFI_ICON_ID = 1
-const val USB_ICON_ID = 2
-const val BT_ICON_ID = 3
-const val GENERAL_ICON_ID = 4
 const val WIFI_MASK = 1 shl TETHERING_WIFI
-const val USB_MASK = 1 shl TETHERING_USB
-const val BT_MASK = 1 shl TETHERING_BLUETOOTH
-const val TITLE = "Tethering active"
-const val MESSAGE = "Tap here to set up."
-const val TEST_TITLE = "Hotspot active"
-const val TEST_MESSAGE = "Tap to set up hotspot."
+const val TEST_DISALLOW_TITLE = "Tether function is disallowed"
+const val TEST_DISALLOW_MESSAGE = "Please contact your admin"
 const val TEST_NO_UPSTREAM_TITLE = "Hotspot has no internet access"
 const val TEST_NO_UPSTREAM_MESSAGE = "Device cannot connect to internet."
 const val TEST_NO_UPSTREAM_BUTTON = "Turn off hotspot"
@@ -88,7 +76,6 @@ class TetheringNotificationUpdaterTest {
     @Mock private lateinit var mockContext: Context
     @Mock private lateinit var notificationManager: NotificationManager
     @Mock private lateinit var telephonyManager: TelephonyManager
-    @Mock private lateinit var defaultResources: Resources
     @Mock private lateinit var testResources: Resources
 
     // lateinit for these classes under test, as they should be reset to a different instance for
@@ -97,11 +84,6 @@ class TetheringNotificationUpdaterTest {
     private lateinit var notificationUpdater: TetheringNotificationUpdater
     private lateinit var fakeTetheringThread: HandlerThread
 
-    private val ENABLE_ICON_CONFIGS = arrayOf(
-            "USB;android.test:drawable/usb", "BT;android.test:drawable/bluetooth",
-            "WIFI|BT;android.test:drawable/general", "WIFI|USB;android.test:drawable/general",
-            "USB|BT;android.test:drawable/general", "WIFI|USB|BT;android.test:drawable/general")
-
     private val ROAMING_CAPABILITIES = NetworkCapabilities()
     private val HOME_CAPABILITIES = NetworkCapabilities().addCapability(NET_CAPABILITY_NOT_ROAMING)
     private val NOTIFICATION_ICON_ID = R.drawable.stat_sys_tether_general
@@ -117,29 +99,19 @@ class TetheringNotificationUpdaterTest {
 
     private inner class WrappedNotificationUpdater(c: Context, looper: Looper)
         : TetheringNotificationUpdater(c, looper) {
-        override fun getResourcesForSubId(context: Context, subId: Int) =
-                when (subId) {
-                    TEST_SUBID -> testResources
-                    INVALID_SUBSCRIPTION_ID -> defaultResources
-                    else -> super.getResourcesForSubId(context, subId)
-                }
+        override fun getResourcesForSubId(c: Context, subId: Int) =
+                if (subId == TEST_SUBID) testResources else super.getResourcesForSubId(c, subId)
     }
 
     private fun setupResources() {
-        doReturn(ENABLE_ICON_CONFIGS).`when`(defaultResources)
-                .getStringArray(R.array.tethering_notification_icons)
-        doReturn(arrayOf("WIFI;android.test:drawable/wifi")).`when`(testResources)
-                .getStringArray(R.array.tethering_notification_icons)
         doReturn(5).`when`(testResources)
                 .getInteger(R.integer.delay_to_show_no_upstream_after_no_backhaul)
         doReturn(true).`when`(testResources)
                 .getBoolean(R.bool.config_upstream_roaming_notification)
-        doReturn(TITLE).`when`(defaultResources).getString(R.string.tethering_notification_title)
-        doReturn(MESSAGE).`when`(defaultResources)
-                .getString(R.string.tethering_notification_message)
-        doReturn(TEST_TITLE).`when`(testResources).getString(R.string.tethering_notification_title)
-        doReturn(TEST_MESSAGE).`when`(testResources)
-                .getString(R.string.tethering_notification_message)
+        doReturn(TEST_DISALLOW_TITLE).`when`(testResources)
+                .getString(R.string.disable_tether_notification_title)
+        doReturn(TEST_DISALLOW_MESSAGE).`when`(testResources)
+                .getString(R.string.disable_tether_notification_message)
         doReturn(TEST_NO_UPSTREAM_TITLE).`when`(testResources)
                 .getString(R.string.no_upstream_notification_title)
         doReturn(TEST_NO_UPSTREAM_MESSAGE).`when`(testResources)
@@ -150,14 +122,6 @@ class TetheringNotificationUpdaterTest {
                 .getString(R.string.upstream_roaming_notification_title)
         doReturn(TEST_ROAMING_MESSAGE).`when`(testResources)
                 .getString(R.string.upstream_roaming_notification_message)
-        doReturn(USB_ICON_ID).`when`(defaultResources)
-                .getIdentifier(eq("android.test:drawable/usb"), any(), any())
-        doReturn(BT_ICON_ID).`when`(defaultResources)
-                .getIdentifier(eq("android.test:drawable/bluetooth"), any(), any())
-        doReturn(GENERAL_ICON_ID).`when`(defaultResources)
-                .getIdentifier(eq("android.test:drawable/general"), any(), any())
-        doReturn(WIFI_ICON_ID).`when`(testResources)
-                .getIdentifier(eq("android.test:drawable/wifi"), any(), any())
     }
 
     @Before
@@ -206,119 +170,27 @@ class TetheringNotificationUpdaterTest {
     }
 
     @Test
-    fun testNotificationWithDownstreamChanged() {
-        // Wifi downstream. No notification.
-        notificationUpdater.onDownstreamChanged(WIFI_MASK)
-        verifyNotificationCancelled(listOf(ENABLE_NOTIFICATION_ID))
-
-        // Same downstream changed. Nothing happened.
-        notificationUpdater.onDownstreamChanged(WIFI_MASK)
-        verifyZeroInteractions(notificationManager)
-
-        // Wifi and usb downstreams. Show enable notification
-        notificationUpdater.onDownstreamChanged(WIFI_MASK or USB_MASK)
-        verifyNotification(GENERAL_ICON_ID, TITLE, MESSAGE, ENABLE_NOTIFICATION_ID)
-
-        // Usb downstream. Still show enable notification.
-        notificationUpdater.onDownstreamChanged(USB_MASK)
-        verifyNotification(USB_ICON_ID, TITLE, MESSAGE, ENABLE_NOTIFICATION_ID)
-
-        // No downstream. No notification.
-        notificationUpdater.onDownstreamChanged(DOWNSTREAM_NONE)
-        verifyNotificationCancelled(listOf(ENABLE_NOTIFICATION_ID, NO_UPSTREAM_NOTIFICATION_ID,
-                ROAMING_NOTIFICATION_ID))
-    }
-
-    @Test
-    fun testNotificationWithActiveDataSubscriptionIdChanged() {
-        // Usb downstream. Showed enable notification with default resource.
-        notificationUpdater.onDownstreamChanged(USB_MASK)
-        verifyNotification(USB_ICON_ID, TITLE, MESSAGE, ENABLE_NOTIFICATION_ID)
-
-        // Same subId changed. Nothing happened.
-        notificationUpdater.onActiveDataSubscriptionIdChanged(INVALID_SUBSCRIPTION_ID)
-        verifyZeroInteractions(notificationManager)
-
-        // Set test sub id. Clear notification with test resource.
+    fun testRestrictedNotification() {
+        // Set test sub id.
         notificationUpdater.onActiveDataSubscriptionIdChanged(TEST_SUBID)
-        verifyNotificationCancelled(listOf(ENABLE_NOTIFICATION_ID, NO_UPSTREAM_NOTIFICATION_ID,
-                ROAMING_NOTIFICATION_ID))
-
-        // Wifi downstream. Show enable notification with test resource.
-        notificationUpdater.onDownstreamChanged(WIFI_MASK)
-        verifyNotification(WIFI_ICON_ID, TEST_TITLE, TEST_MESSAGE, ENABLE_NOTIFICATION_ID)
-
-        // No downstream. No notification.
-        notificationUpdater.onDownstreamChanged(DOWNSTREAM_NONE)
-        verifyNotificationCancelled(listOf(ENABLE_NOTIFICATION_ID, NO_UPSTREAM_NOTIFICATION_ID,
-                ROAMING_NOTIFICATION_ID))
-    }
-
-    private fun assertIconNumbers(number: Int, configs: Array<String?>) {
-        doReturn(configs).`when`(defaultResources)
-                .getStringArray(R.array.tethering_notification_icons)
-        assertEquals(number, notificationUpdater.getIcons(
-                R.array.tethering_notification_icons, defaultResources).size())
-    }
-
-    @Test
-    fun testGetIcons() {
-        assertIconNumbers(0, arrayOfNulls<String>(0))
-        assertIconNumbers(0, arrayOf(null, ""))
-        assertIconNumbers(3, arrayOf(
-                // These configurations are invalid with wrong strings or symbols.
-                ";", ",", "|", "|,;", "WIFI", "1;2", " U SB; ", "bt;", "WIFI;USB;BT", "WIFI|USB|BT",
-                "WIFI,BT,USB", " WIFI| |  | USB, test:drawable/test",
-                // This configuration is valid with two downstream types (USB, BT).
-                "USB|,,,,,|BT;drawable/test ",
-                // This configuration is valid with one downstream types (WIFI).
-                "     WIFI     ; android.test:drawable/xxx "))
-    }
-
-    @Test
-    fun testGetDownstreamTypesMask() {
-        assertEquals(DOWNSTREAM_NONE, notificationUpdater.getDownstreamTypesMask(""))
-        assertEquals(DOWNSTREAM_NONE, notificationUpdater.getDownstreamTypesMask("1"))
-        assertEquals(DOWNSTREAM_NONE, notificationUpdater.getDownstreamTypesMask("WIFI_P2P"))
-        assertEquals(DOWNSTREAM_NONE, notificationUpdater.getDownstreamTypesMask("usb"))
-        assertEquals(WIFI_MASK, notificationUpdater.getDownstreamTypesMask(" WIFI "))
-        assertEquals(USB_MASK, notificationUpdater.getDownstreamTypesMask("USB | B T"))
-        assertEquals(BT_MASK, notificationUpdater.getDownstreamTypesMask(" WIFI: | BT"))
-        assertEquals(WIFI_MASK or USB_MASK,
-                notificationUpdater.getDownstreamTypesMask("1|2|USB|WIFI|BLUETOOTH||"))
-    }
-
-    @Test
-    fun testSetupRestrictedNotification() {
-        val title = context.resources.getString(R.string.disable_tether_notification_title)
-        val message = context.resources.getString(R.string.disable_tether_notification_message)
-        val disallowTitle = "Tether function is disallowed"
-        val disallowMessage = "Please contact your admin"
-        doReturn(title).`when`(defaultResources)
-                .getString(R.string.disable_tether_notification_title)
-        doReturn(message).`when`(defaultResources)
-                .getString(R.string.disable_tether_notification_message)
-        doReturn(disallowTitle).`when`(testResources)
-                .getString(R.string.disable_tether_notification_title)
-        doReturn(disallowMessage).`when`(testResources)
-                .getString(R.string.disable_tether_notification_message)
+        verifyNotificationCancelled(listOf(NO_UPSTREAM_NOTIFICATION_ID, ROAMING_NOTIFICATION_ID))
 
         // User restrictions on. Show restricted notification.
         notificationUpdater.notifyTetheringDisabledByRestriction()
-        verifyNotification(NOTIFICATION_ICON_ID, title, message, RESTRICTED_NOTIFICATION_ID)
+        verifyNotification(NOTIFICATION_ICON_ID, TEST_DISALLOW_TITLE, TEST_DISALLOW_MESSAGE,
+                RESTRICTED_NOTIFICATION_ID)
 
         // User restrictions off. Clear notification.
         notificationUpdater.tetheringRestrictionLifted()
         verifyNotificationCancelled(listOf(RESTRICTED_NOTIFICATION_ID))
 
-        // Set test sub id. No notification.
-        notificationUpdater.onActiveDataSubscriptionIdChanged(TEST_SUBID)
-        verifyNotificationCancelled(listOf(ENABLE_NOTIFICATION_ID, NO_UPSTREAM_NOTIFICATION_ID,
-                ROAMING_NOTIFICATION_ID))
+        // No downstream.
+        notificationUpdater.onDownstreamChanged(DOWNSTREAM_NONE)
+        verifyZeroInteractions(notificationManager)
 
-        // User restrictions on again. Show restricted notification with test resource.
+        // User restrictions on again. Show restricted notification.
         notificationUpdater.notifyTetheringDisabledByRestriction()
-        verifyNotification(NOTIFICATION_ICON_ID, disallowTitle, disallowMessage,
+        verifyNotification(NOTIFICATION_ICON_ID, TEST_DISALLOW_TITLE, TEST_DISALLOW_MESSAGE,
                 RESTRICTED_NOTIFICATION_ID)
     }
 
@@ -356,15 +228,14 @@ class TetheringNotificationUpdaterTest {
     }
 
     @Test
-    fun testNotificationWithUpstreamCapabilitiesChanged_NoUpstream() {
-        // Set test sub id. No notification.
+    fun testNoUpstreamNotification() {
+        // Set test sub id.
         notificationUpdater.onActiveDataSubscriptionIdChanged(TEST_SUBID)
-        verifyNotificationCancelled(listOf(ENABLE_NOTIFICATION_ID, NO_UPSTREAM_NOTIFICATION_ID,
-                ROAMING_NOTIFICATION_ID))
+        verifyNotificationCancelled(listOf(NO_UPSTREAM_NOTIFICATION_ID, ROAMING_NOTIFICATION_ID))
 
-        // Wifi downstream. Show enable notification with test resource.
+        // Wifi downstream.
         notificationUpdater.onDownstreamChanged(WIFI_MASK)
-        verifyNotification(WIFI_ICON_ID, TEST_TITLE, TEST_MESSAGE, ENABLE_NOTIFICATION_ID)
+        verifyNotificationCancelled(listOf(NO_UPSTREAM_NOTIFICATION_ID, ROAMING_NOTIFICATION_ID))
 
         // There is no upstream. Show no upstream notification.
         notificationUpdater.onUpstreamCapabilitiesChanged(null)
@@ -386,15 +257,14 @@ class TetheringNotificationUpdaterTest {
         verifyNotification(NOTIFICATION_ICON_ID, TEST_NO_UPSTREAM_TITLE, TEST_NO_UPSTREAM_MESSAGE,
                 NO_UPSTREAM_NOTIFICATION_ID)
 
-        // No downstream. No notification.
+        // No downstream.
         notificationUpdater.onDownstreamChanged(DOWNSTREAM_NONE)
-        verifyNotificationCancelled(listOf(ENABLE_NOTIFICATION_ID, NO_UPSTREAM_NOTIFICATION_ID,
-                ROAMING_NOTIFICATION_ID))
+        verifyNotificationCancelled(listOf(NO_UPSTREAM_NOTIFICATION_ID, ROAMING_NOTIFICATION_ID))
 
-        // Put up enable notification with wifi downstream and home capabilities.
+        // Wifi downstream and home capabilities.
         notificationUpdater.onDownstreamChanged(WIFI_MASK)
         notificationUpdater.onUpstreamCapabilitiesChanged(HOME_CAPABILITIES)
-        verifyNotification(WIFI_ICON_ID, TEST_TITLE, TEST_MESSAGE, ENABLE_NOTIFICATION_ID)
+        verifyNotificationCancelled(listOf(NO_UPSTREAM_NOTIFICATION_ID, ROAMING_NOTIFICATION_ID))
 
         // Set R.integer.delay_to_show_no_upstream_after_no_backhaul to -1 and change to no upstream
         // again. Don't put up no upstream notification.
@@ -429,15 +299,14 @@ class TetheringNotificationUpdaterTest {
     }
 
     @Test
-    fun testNotificationWithUpstreamCapabilitiesChanged_Roaming() {
-        // Set test sub id. Clear notification.
+    fun testRoamingNotification() {
+        // Set test sub id.
         notificationUpdater.onActiveDataSubscriptionIdChanged(TEST_SUBID)
-        verifyNotificationCancelled(listOf(ENABLE_NOTIFICATION_ID, NO_UPSTREAM_NOTIFICATION_ID,
-                ROAMING_NOTIFICATION_ID))
+        verifyNotificationCancelled(listOf(NO_UPSTREAM_NOTIFICATION_ID, ROAMING_NOTIFICATION_ID))
 
-        // Wifi downstream. Show enable notification with test resource.
+        // Wifi downstream.
         notificationUpdater.onDownstreamChanged(WIFI_MASK)
-        verifyNotification(WIFI_ICON_ID, TEST_TITLE, TEST_MESSAGE, ENABLE_NOTIFICATION_ID)
+        verifyNotificationCancelled(listOf(NO_UPSTREAM_NOTIFICATION_ID, ROAMING_NOTIFICATION_ID))
 
         // Upstream capabilities changed to roaming state. Show roaming notification.
         notificationUpdater.onUpstreamCapabilitiesChanged(ROAMING_CAPABILITIES)
@@ -464,14 +333,16 @@ class TetheringNotificationUpdaterTest {
         verifyNotification(NOTIFICATION_ICON_ID, TEST_NO_UPSTREAM_TITLE, TEST_NO_UPSTREAM_MESSAGE,
                 NO_UPSTREAM_NOTIFICATION_ID)
 
-        // No downstream. No notification.
+        // No downstream.
         notificationUpdater.onDownstreamChanged(DOWNSTREAM_NONE)
-        verifyNotificationCancelled(listOf(ENABLE_NOTIFICATION_ID, NO_UPSTREAM_NOTIFICATION_ID,
-                ROAMING_NOTIFICATION_ID))
+        verifyNotificationCancelled(listOf(NO_UPSTREAM_NOTIFICATION_ID, ROAMING_NOTIFICATION_ID))
 
-        // Wifi downstream again. Show enable notification with test resource.
+        // Wifi downstream again.
         notificationUpdater.onDownstreamChanged(WIFI_MASK)
-        verifyNotification(WIFI_ICON_ID, TEST_TITLE, TEST_MESSAGE, ENABLE_NOTIFICATION_ID)
+        notificationUpdater.handler.waitForDelayedMessage(EVENT_SHOW_NO_UPSTREAM, TIMEOUT_MS)
+        verifyNotificationCancelled(listOf(ROAMING_NOTIFICATION_ID), false)
+        verifyNotification(NOTIFICATION_ICON_ID, TEST_NO_UPSTREAM_TITLE, TEST_NO_UPSTREAM_MESSAGE,
+                NO_UPSTREAM_NOTIFICATION_ID)
 
         // Set R.bool.config_upstream_roaming_notification to false and change upstream
         // network to roaming state again. No roaming notification.