Adding EthernetInterfaceTracker to support EthernetSettings

This class is part of the middleware and will be used to be notified when an EthernetInterface is added or removed. Flag: com.android.settings.connectivity.ethernet_settings Test: atest SettingsRoboTests: com.android.settings.network.EthernetInterfaceTrackerTest Change-Id: If3a1f4d7a96b301cd47ffbea55864bcc780cd1e0
2025-01-15 22:20:26 +00:00
parent 6d2152fb10
commit 4d662c5bde
2 changed files with 154 additions and 0 deletions
--- a/tests/robotests/src/com/android/settings/network/ethernet/EthernetInterfaceTrackerTest.kt
+++ b/tests/robotests/src/com/android/settings/network/ethernet/EthernetInterfaceTrackerTest.kt
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2025 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.ethernet
+
+import android.content.Context
+import android.content.ContextWrapper
+import android.net.EthernetManager
+import android.net.IpConfiguration
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNotNull
+import org.junit.Assert.assertNull
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.kotlin.mock
+
+@RunWith(AndroidJUnit4::class)
+class EthernetInterfaceTrackerTest {
+    private val mockEthernetManager = mock<EthernetManager>()
+
+    private val context: Context =
+        object : ContextWrapper(ApplicationProvider.getApplicationContext()) {
+            override fun getSystemService(name: String): Any? =
+                when (name) {
+                    Context.ETHERNET_SERVICE -> mockEthernetManager
+                    else -> super.getSystemService(name)
+                }
+        }
+
+    private val ethernetInterfaceTracker = EthernetInterfaceTracker(context)
+
+    @Test
+    fun getInterface_shouldReturnEmpty() {
+        assertNull(ethernetInterfaceTracker.getInterface("id0"))
+    }
+
+    @Test
+    fun getAvailableInterfaces_shouldReturnEmpty() {
+        assertEquals(ethernetInterfaceTracker.getAvailableInterfaces().size, 0)
+    }
+
+    @Test
+    fun interfacesChanged_shouldUpdateInterfaces() {
+        ethernetInterfaceTracker.onInterfaceStateChanged(
+            "id0",
+            EthernetManager.STATE_LINK_DOWN,
+            EthernetManager.ROLE_NONE,
+            IpConfiguration(),
+        )
+
+        assertNotNull(ethernetInterfaceTracker.getInterface("id0"))
+        assertEquals(ethernetInterfaceTracker.getAvailableInterfaces().size, 1)
+
+        ethernetInterfaceTracker.onInterfaceStateChanged(
+            "id0",
+            EthernetManager.STATE_ABSENT,
+            EthernetManager.ROLE_NONE,
+            IpConfiguration(),
+        )
+
+        assertNull(ethernetInterfaceTracker.getInterface("id0"))
+        assertEquals(ethernetInterfaceTracker.getAvailableInterfaces().size, 0)
+    }
+}