| /* |
| * Copyright (C) 2016 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 androidx.appcompat.widget; |
| |
| import static android.support.test.espresso.Espresso.onView; |
| import static android.support.test.espresso.action.ViewActions.click; |
| import static android.support.test.espresso.assertion.ViewAssertions.matches; |
| import static android.support.test.espresso.matcher.RootMatchers.isPlatformPopup; |
| import static android.support.test.espresso.matcher.ViewMatchers.withId; |
| import static android.support.test.espresso.matcher.ViewMatchers.withText; |
| |
| import static androidx.appcompat.testutils.TestUtilsMatchers.hasChild; |
| import static androidx.appcompat.testutils.TestUtilsMatchers.isCombinedBackground; |
| |
| import android.content.res.Resources; |
| import android.support.test.filters.LargeTest; |
| import android.support.test.filters.SmallTest; |
| |
| import androidx.annotation.ColorInt; |
| import androidx.annotation.ColorRes; |
| import androidx.annotation.IdRes; |
| import androidx.appcompat.test.R; |
| import androidx.core.content.ContextCompat; |
| import androidx.core.content.res.ResourcesCompat; |
| |
| import org.hamcrest.Matcher; |
| import org.junit.Test; |
| |
| /** |
| * In addition to all tinting-related tests done by the base class, this class provides |
| * tests specific to {@link AppCompatSpinner} class. |
| */ |
| @SmallTest |
| public class AppCompatSpinnerTest |
| extends AppCompatBaseViewTest<AppCompatSpinnerActivity, AppCompatSpinner> { |
| public AppCompatSpinnerTest() { |
| super(AppCompatSpinnerActivity.class); |
| } |
| |
| @Override |
| protected boolean hasBackgroundByDefault() { |
| // Spinner has default background set on it |
| return true; |
| } |
| |
| /** |
| * Helper method that verifies that the popup for the specified {@link AppCompatSpinner} |
| * is themed with the specified color. |
| */ |
| private void verifySpinnerPopupTheming(@IdRes int spinnerId, |
| @ColorRes int expectedPopupColorResId, boolean matchDropDownListView) { |
| final Resources res = mActivityTestRule.getActivity().getResources(); |
| final @ColorInt int expectedPopupColor = |
| ResourcesCompat.getColor(res, expectedPopupColorResId, null); |
| final AppCompatSpinner spinner = (AppCompatSpinner) mContainer.findViewById(spinnerId); |
| |
| // Click the spinner to show its popup content |
| onView(withId(spinnerId)).perform(click()); |
| |
| // The internal implementation details of the AppCompatSpinner's popup content depends |
| // on the platform version itself (in android.widget.PopupWindow) as well as on when the |
| // popup theme is being applied first (in XML or at runtime). Instead of trying to catch |
| // all possible variations of how the popup content is wrapped, we use a view matcher that |
| // creates a single bitmap that combines backgrounds starting from the parent of the |
| // popup content items upwards (drawing them in reverse order), and then tests that the |
| // combined bitmap matches the expected color fill. This should remove dependency on the |
| // internal implementation details on which exact "chrome" part of the popup has the |
| // matching background. |
| String itemText = (String) spinner.getAdapter().getItem(2); |
| Matcher popupContentMatcher = hasChild(withText(itemText)); |
| // Note that we are only testing the center pixel of the combined popup background. This |
| // is to "eliminate" otherwise hacky code that would need to skip over rounded corners and |
| // drop shadow of the combined visual appearance of a popup. |
| onView(popupContentMatcher).inRoot(isPlatformPopup()).check( |
| matches(isCombinedBackground(expectedPopupColor, true))); |
| |
| // Click an entry in the popup to dismiss it |
| onView(withText(itemText)).perform(click()); |
| } |
| |
| @LargeTest |
| @Test |
| public void testPopupThemingFromXmlAttribute() { |
| verifySpinnerPopupTheming(R.id.view_magenta_themed_popup, R.color.test_magenta, true); |
| } |
| |
| @LargeTest |
| @Test |
| public void testUnthemedPopupRuntimeTheming() { |
| final AppCompatSpinner spinner = |
| (AppCompatSpinner) mContainer.findViewById(R.id.view_unthemed_popup); |
| spinner.setPopupBackgroundResource(R.drawable.test_background_blue); |
| verifySpinnerPopupTheming(R.id.view_unthemed_popup, R.color.test_blue, false); |
| |
| // Set a different popup background |
| spinner.setPopupBackgroundDrawable(ContextCompat.getDrawable( |
| mActivityTestRule.getActivity(), R.drawable.test_background_green)); |
| verifySpinnerPopupTheming(R.id.view_unthemed_popup, R.color.test_green, false); |
| } |
| |
| @LargeTest |
| @Test |
| public void testThemedPopupRuntimeTheming() { |
| final AppCompatSpinner spinner = |
| (AppCompatSpinner) mContainer.findViewById(R.id.view_ocean_themed_popup); |
| verifySpinnerPopupTheming(R.id.view_ocean_themed_popup, R.color.ocean_default, true); |
| |
| // Now set a different popup background |
| spinner.setPopupBackgroundResource(R.drawable.test_background_red); |
| verifySpinnerPopupTheming(R.id.view_ocean_themed_popup, R.color.test_red, false); |
| |
| // Set a different popup background |
| spinner.setPopupBackgroundDrawable(ContextCompat.getDrawable( |
| mActivityTestRule.getActivity(), R.drawable.test_background_blue)); |
| verifySpinnerPopupTheming(R.id.view_ocean_themed_popup, R.color.test_blue, false); |
| } |
| } |