Test bluetooth error page

Delete robolectric tests for the NoHfpFragment.
Test 3 usecases:
1. Bluetooth is disabled
2. Bluetooth is enabled but there is no paired devices
3. Clicking on the connect bluetooth button navigates to bluetooth
settings

Bug: 187461550
Test: atest CarDialerInstruTests
Change-Id: If1f1ec475deef38d0681b53a2e85a46695cd3482

4 files changed, 111 insertions, 67 deletions

diff --git a/framework/fake/src/com/android/car/dialer/framework/FakeHfpManager.java b/framework/fake/src/com/android/car/dialer/framework/FakeHfpManager.java
index 1e4c992f..22ec8701 100644
--- a/framework/fake/src/com/android/car/dialer/framework/FakeHfpManager.java
+++ b/framework/fake/src/com/android/car/dialer/framework/FakeHfpManager.java
@@ -18,7 +18,6 @@ package com.android.car.dialer.framework;
 
 import android.bluetooth.BluetoothDevice;
 
-import androidx.lifecycle.LiveData;
 import androidx.lifecycle.MutableLiveData;
 
 import com.android.car.dialer.framework.testdata.CallLogDataHandler;
@@ -44,8 +43,8 @@ public class FakeHfpManager {
 
     private Map<String, SimulatedBluetoothDevice> mDeviceMap = new HashMap<>();
     private List<BluetoothDevice> mDeviceList;
-    private LiveData<Integer> mBluetoothStateLiveData;
-    private LiveData<Set<BluetoothDevice>> mBluetoothPairListLiveData;
+    private MutableLiveData<Integer> mBluetoothStateLiveData;
+    private MutableLiveData<Set<BluetoothDevice>> mBluetoothPairListLiveData;
     private MutableLiveData<List<BluetoothDevice>> mHfpDeviceListLiveData;
 
     private final CallLogDataHandler mCallLogDataHandler;
@@ -93,15 +92,15 @@ public class FakeHfpManager {
         return simulatedBluetoothDevice;
     }
 
-    public LiveData<Integer> getBluetoothStateLiveData() {
+    public MutableLiveData<Integer> getBluetoothStateLiveData() {
         return mBluetoothStateLiveData;
     }
 
-    public LiveData<Set<BluetoothDevice>> getBluetoothPairListLiveData() {
+    public MutableLiveData<Set<BluetoothDevice>> getBluetoothPairListLiveData() {
         return mBluetoothPairListLiveData;
     }
 
-    public LiveData<List<BluetoothDevice>> getHfpDeviceListLiveData() {
+    public MutableLiveData<List<BluetoothDevice>> getHfpDeviceListLiveData() {
         return mHfpDeviceListLiveData;
     }
 }
diff --git a/tests/instrutests/Android.bp b/tests/instrutests/Android.bp
index bc005ed2..8221e7d4 100644
--- a/tests/instrutests/Android.bp
+++ b/tests/instrutests/Android.bp
@@ -20,6 +20,7 @@ android_test {
         "androidx.test.rules",
         "androidx.test.espresso.core",
         "androidx.test.espresso.contrib",
+        "androidx.test.espresso.intents",
         "hilt_android_testing",
         "mockito-target-extended",
     ],
diff --git a/tests/instrutests/src/com/android/car/dialer/integration/NoHfpFragmentTest.java b/tests/instrutests/src/com/android/car/dialer/integration/NoHfpFragmentTest.java
new file mode 100644
index 00000000..435149a6
--- /dev/null
+++ b/tests/instrutests/src/com/android/car/dialer/integration/NoHfpFragmentTest.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2021 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.car.dialer.integration;
+
+import static androidx.test.espresso.Espresso.onView;
+import static androidx.test.espresso.action.ViewActions.swipeLeft;
+import static androidx.test.espresso.assertion.ViewAssertions.matches;
+import static androidx.test.espresso.intent.Intents.intended;
+import static androidx.test.espresso.intent.matcher.IntentMatchers.hasAction;
+import static androidx.test.espresso.intent.matcher.IntentMatchers.hasCategories;
+import static androidx.test.espresso.matcher.ViewMatchers.isDisplayed;
+import static androidx.test.espresso.matcher.ViewMatchers.withId;
+import static androidx.test.espresso.matcher.ViewMatchers.withText;
+
+import static org.hamcrest.Matchers.allOf;
+
+import android.content.Context;
+import android.content.Intent;
+
+import androidx.test.core.app.ActivityScenario;
+import androidx.test.espresso.intent.Intents;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.platform.app.InstrumentationRegistry;
+
+import com.android.car.dialer.R;
+import com.android.car.dialer.bluetooth.BluetoothState;
+import com.android.car.dialer.framework.FakeHfpManager;
+import com.android.car.dialer.ui.TelecomActivity;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.Collections;
+
+import javax.inject.Inject;
+
+import dagger.hilt.android.testing.HiltAndroidRule;
+import dagger.hilt.android.testing.HiltAndroidTest;
+
+@RunWith(AndroidJUnit4.class)
+@HiltAndroidTest
+public class NoHfpFragmentTest {
+
+    // Consistent with the constants defined in NoHfpFragment.
+    private static final String Bluetooth_Setting_ACTION = "android.settings.BLUETOOTH_SETTINGS";
+    private static final String Bluetooth_Setting_CATEGORY = "android.intent.category.DEFAULT";
+
+    @Rule
+    public final HiltAndroidRule mHiltAndroidRule = new HiltAndroidRule(this);
+
+    @Inject FakeHfpManager mFakeHfpManager;
+
+    @Before
+    public void setup() {
+        mHiltAndroidRule.inject();
+
+        Context context = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        ActivityScenario.launch(new Intent(context, TelecomActivity.class));
+    }
+
+    @Test
+    public void bluetoothDisabled_displayErrorMsg() {
+        mFakeHfpManager.getBluetoothStateLiveData().postValue(BluetoothState.DISABLED);
+
+        onView(withId(R.id.error_string)).check(
+                matches(allOf(isDisplayed(), withText(R.string.bluetooth_disabled))));
+    }
+
+    @Test
+    public void noPairedDevices_displayErrorMsg() {
+        mFakeHfpManager.getBluetoothStateLiveData().postValue(BluetoothState.ENABLED);
+        mFakeHfpManager.getBluetoothPairListLiveData().postValue(Collections.EMPTY_SET);
+
+        onView(withId(R.id.error_string)).check(
+                matches(allOf(isDisplayed(), withText(R.string.bluetooth_unpaired))));
+    }
+
+    @Test
+    public void clickButton_navigateToBluetoothSettings() {
+        onView(withId(R.id.connect_bluetooth_button)).check(matches(isDisplayed()));
+
+        Intents.init();
+        // Use swipe action to perform the click action since the UI messes up and overlaps with
+        // each other.
+        onView(withId(R.id.connect_bluetooth_button)).perform(swipeLeft());
+        intended(allOf(hasAction(Bluetooth_Setting_ACTION),
+                hasCategories(Collections.singleton(Bluetooth_Setting_CATEGORY))));
+        Intents.release();
+    }
+}
diff --git a/tests/robotests/src/com/android/car/dialer/ui/warning/NoHfpFragmentTest.java b/tests/robotests/src/com/android/car/dialer/ui/warning/NoHfpFragmentTest.java
deleted file mode 100644
index 7e2657b0..00000000
--- a/tests/robotests/src/com/android/car/dialer/ui/warning/NoHfpFragmentTest.java
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * 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.car.dialer.ui.warning;
-
-import static com.google.common.truth.Truth.assertThat;
-
-import android.view.View;
-import android.widget.TextView;
-
-import com.android.car.dialer.CarDialerRobolectricTestRunner;
-import com.android.car.dialer.FragmentTestActivity;
-import com.android.car.dialer.R;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.MockitoAnnotations;
-import org.robolectric.Robolectric;
-
-@RunWith(CarDialerRobolectricTestRunner.class)
-public class NoHfpFragmentTest {
-
-    private NoHfpFragment mNoHfpFragment;
-    private FragmentTestActivity mFragmentTestActivity;
-
-    @Before
-    public void setup() {
-        MockitoAnnotations.initMocks(this);
-
-        mNoHfpFragment = new NoHfpFragment();
-        mFragmentTestActivity = Robolectric.buildActivity(
-                FragmentTestActivity.class).create().start().resume().get();
-        mFragmentTestActivity.setFragment(mNoHfpFragment);
-    }
-
-    @Test
-    public void createView_notNull() {
-        assertThat(mNoHfpFragment.getView()).isNotNull();
-    }
-
-    @Test
-    public void createView_displayErrorMsg() {
-        View rootView = mNoHfpFragment.getView();
-        TextView errorMsgView = rootView.findViewById(R.id.error_string);
-        assertThat(errorMsgView.getText()).isEqualTo(
-                mNoHfpFragment.getString(R.string.bluetooth_disabled));
-    }
-}