Hide MMS messages if switch mobile data automatically

Per designer's comment, hide the "MMS messages" if user cannot use it to
control MMS.

Fix: 303759893
Test: manual - turn "Switch mobile data automatically" on / off
Test: unit test
Change-Id: I874524c0cedb48f7daf87f32920e26428ae78c89

tests/spa_unit/src/com/android/settings/network/telephony/MmsMessagePreferenceControllerTest.kt

@@ -79,6 +79,20 @@ class MmsMessagePreferenceControllerTest {
         assertThat(availabilityStatus).isEqualTo(CONDITIONALLY_UNAVAILABLE)
     }
 
+    @Test
+    fun getAvailabilityStatus_autoDataSwitch_returnUnavailable() {
+        mockTelephonyManager.stub {
+            on { isApnMetered(ApnSetting.TYPE_MMS) } doReturn true
+            on {
+                isMobileDataPolicyEnabled(TelephonyManager.MOBILE_DATA_POLICY_AUTO_DATA_SWITCH)
+            } doReturn true
+        }
+
+        val availabilityStatus = controller.getAvailabilityStatus(SUB_ID)
+
+        assertThat(availabilityStatus).isEqualTo(CONDITIONALLY_UNAVAILABLE)
+    }
+
     @Test
     fun getAvailabilityStatus_mobileDataOffWithValidSubId_returnAvailable() {
         mockTelephonyManager.stub {

tests/spa_unit/src/com/android/settings/network/telephony/SubscriptionRepositoryTest.kt

@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2023 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.network.telephony
+
+import android.content.Context
+import android.telephony.SubscriptionManager
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.android.settingslib.spa.testutils.firstWithTimeoutOrNull
+import com.android.settingslib.spa.testutils.toListWithTimeout
+import com.google.common.truth.Truth.assertThat
+import kotlinx.coroutines.async
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.runBlocking
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.kotlin.any
+import org.mockito.kotlin.doAnswer
+import org.mockito.kotlin.doReturn
+import org.mockito.kotlin.mock
+import org.mockito.kotlin.spy
+
+@RunWith(AndroidJUnit4::class)
+class SubscriptionRepositoryTest {
+    private var subInfoListener: SubscriptionManager.OnSubscriptionsChangedListener? = null
+
+    private val mockSubscriptionManager = mock<SubscriptionManager> {
+        on { addOnSubscriptionsChangedListener(any(), any()) } doAnswer {
+            subInfoListener = it.arguments[1] as SubscriptionManager.OnSubscriptionsChangedListener
+            subInfoListener?.onSubscriptionsChanged()
+        }
+    }
+
+    private val context: Context = spy(ApplicationProvider.getApplicationContext()) {
+        on { getSystemService(SubscriptionManager::class.java) } doReturn mockSubscriptionManager
+    }
+
+    @Test
+    fun subscriptionsChangedFlow_hasInitialValue() = runBlocking {
+        val initialValue = context.subscriptionsChangedFlow().firstWithTimeoutOrNull()
+
+        assertThat(initialValue).isSameInstanceAs(Unit)
+    }
+
+    @Test
+    fun subscriptionsChangedFlow_changed() = runBlocking {
+        val listDeferred = async {
+            context.subscriptionsChangedFlow().toListWithTimeout()
+        }
+        delay(100)
+
+        subInfoListener?.onSubscriptionsChanged()
+
+        assertThat(listDeferred.await()).hasSize(2)
+    }
+}