Merge "Implement receiver flow of WiFi sharing feature"

tests/robotests/src/com/android/settings/wifi/ButtonPreferenceTest.java

@@ -0,0 +1,82 @@
+/*
+ * 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.wifi;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.view.View;
+import android.widget.ImageButton;
+
+import com.android.settings.R;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import androidx.preference.PreferenceViewHolder;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+public class ButtonPreferenceTest {
+
+    private Context mContext;
+    private View mRootView;
+    private ButtonPreference mPref;
+    private PreferenceViewHolder mHolder;
+    private boolean mClicked;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        mContext = RuntimeEnvironment.application;
+        mPref = new ButtonPreference(mContext);
+        mRootView = View.inflate(mContext, R.layout.wifi_button_preference_widget, /* parent */
+                null);
+        mHolder = PreferenceViewHolder.createInstanceForTests(mRootView);
+    }
+
+    @Test
+    public void initButton_noIcon_shouldInvisible() {
+        mPref.initButton(mHolder);
+        assertThat(mRootView.findViewById(R.id.button_icon).getVisibility()).isEqualTo(View.GONE);
+    }
+
+    @Test
+    public void initButton_withIcon_shouldVisible() {
+        mPref.setButtonIcon(R.drawable.ic_qrcode_24dp);
+        mPref.initButton(mHolder);
+        assertThat(mRootView.findViewById(R.id.button_icon).getVisibility()).isEqualTo(
+                View.VISIBLE);
+    }
+
+    @Test
+    public void initButton_whenClick_shouldCallback() {
+        mClicked = false;
+        mPref.setButtonIcon(R.drawable.ic_qrcode_24dp);
+        mPref.setButtonOnClickListener((View v) -> {
+            mClicked = true;
+        });
+        mPref.initButton(mHolder);
+        ImageButton button = (ImageButton) mRootView.findViewById(R.id.button_icon);
+        button.performClick();
+        assertThat(mClicked).isTrue();
+    }
+}