/
MaterialDatePickerPagesTest.java
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/
MaterialDatePickerPagesTest.java
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/*
* Copyright 2019 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.google.android.material.datepicker;
import static com.google.android.material.datepicker.MaterialDatePickerTestUtils.findFirstVisibleItem;
import static org.hamcrest.Matchers.lessThan;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertThat;
import androidx.fragment.app.FragmentManager;
import androidx.appcompat.app.AppCompatActivity;
import android.view.View;
import androidx.arch.core.executor.testing.InstantTaskExecutorRule;
import androidx.core.view.ViewCompat;
import androidx.core.view.accessibility.AccessibilityNodeInfoCompat;
import androidx.test.espresso.IdlingRegistry;
import androidx.test.platform.app.InstrumentationRegistry;
import androidx.test.rule.ActivityTestRule;
import androidx.test.runner.AndroidJUnit4;
import java.util.Calendar;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
@RunWith(AndroidJUnit4.class)
public class MaterialDatePickerPagesTest {
private static final Month START = Month.create(2000, Calendar.JANUARY);
private static final Month END = Month.create(2000, Calendar.MAY);
private static final Month OPEN_AT = Month.create(2000, Calendar.FEBRUARY);
private ListenerIdlingResource listenerIdlingResource;
@Rule
public final InstantTaskExecutorRule instantTaskExecutorRule = new InstantTaskExecutorRule();
@Rule
public final ActivityTestRule<AppCompatActivity> activityTestRule =
new ActivityTestRule<>(AppCompatActivity.class);
private MaterialDatePicker<Long> dialogFragment;
@Before
public void setupDatePickerDialogForSwiping() {
CalendarConstraints calendarConstraints =
new CalendarConstraints.Builder()
.setStart(START.timeInMillis)
.setEnd(END.timeInMillis)
.setOpenAt(OPEN_AT.timeInMillis)
.build();
FragmentManager fragmentManager = activityTestRule.getActivity().getSupportFragmentManager();
String tag = "Date DialogFragment";
dialogFragment =
MaterialDatePicker.Builder.datePicker().setCalendarConstraints(calendarConstraints).build();
dialogFragment.show(fragmentManager, tag);
InstrumentationRegistry.getInstrumentation().waitForIdleSync();
IdlingRegistry.getInstance()
.register(
new RecyclerIdlingResource(
dialogFragment.getView().findViewWithTag(MaterialCalendar.MONTHS_VIEW_GROUP_TAG)));
listenerIdlingResource = new ListenerIdlingResource();
}
@Test
public void calendarSwipeCappedAtStart() {
MaterialDatePickerTestUtils.swipeEarlier(dialogFragment);
MaterialDatePickerTestUtils.swipeEarlier(dialogFragment);
MaterialDatePickerTestUtils.swipeEarlier(dialogFragment);
MaterialDatePickerTestUtils.swipeEarlier(dialogFragment);
assertEquals(START, findFirstVisibleItem(dialogFragment));
}
@Test
public void calendarSwipeCappedAtEnd() {
MaterialDatePickerTestUtils.swipeLater(dialogFragment);
MaterialDatePickerTestUtils.swipeLater(dialogFragment);
MaterialDatePickerTestUtils.swipeLater(dialogFragment);
MaterialDatePickerTestUtils.swipeLater(dialogFragment);
assertEquals(END, findFirstVisibleItem(dialogFragment));
}
@Test
public void calendarOpensOnCurrent() {
assertEquals(OPEN_AT, findFirstVisibleItem(dialogFragment));
}
@Test
public void swipeChangesMonth() {
// This listener with idling resource guarantees that the call to getSelection() is not null.
dialogFragment.addOnPositiveButtonClickListener(
new MaterialPickerOnPositiveButtonClickListener<Long>() {
@Override
public void onPositiveButtonClick(Long selection) {
listenerIdlingResource.callFromListener();
}
});
Calendar startingTimeOfMonth = Calendar.getInstance();
startingTimeOfMonth.clear();
startingTimeOfMonth.set(OPEN_AT.year, OPEN_AT.month, 1);
MaterialDatePickerTestUtils.swipeEarlier(dialogFragment);
MaterialDatePickerTestUtils.clickDialogVisibleDay(5);
MaterialDatePickerTestUtils.clickOk();
listenerIdlingResource.beginBlocking();
Calendar c = Calendar.getInstance();
c.setTimeInMillis(dialogFragment.getSelection());
assertThat(c.getTimeInMillis(), lessThan(startingTimeOfMonth.getTimeInMillis()));
}
@Test
public void changingSelectorToDayMaintainsCurrentMonth() {
MaterialDatePickerTestUtils.clickNext();
MaterialDatePickerTestUtils.clickSelectorToggle();
MaterialDatePickerTestUtils.clickSelectorToggle();
assertEquals(findFirstVisibleItem(dialogFragment), OPEN_AT.monthsLater(1));
}
@Test
public void accessibility_daySelection_notScrollable() {
View view = dialogFragment.getView().findViewById(R.id.mtrl_calendar_months);
AccessibilityNodeInfoCompat nodeInfo = AccessibilityNodeInfoCompat.obtain();
ViewCompat.onInitializeAccessibilityNodeInfo(view, nodeInfo);
assertFalse(nodeInfo.isScrollable());
}
}