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LTRHorizontalFromEndDemoActivityTest.java
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LTRHorizontalFromEndDemoActivityTest.java
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package onautoscrolledtoview.demo;
import android.content.Intent;
import android.content.res.Configuration;
import android.content.res.Resources;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.test.platform.app.InstrumentationRegistry;
import androidx.test.rule.ActivityTestRule;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TestRule;
import java.util.Locale;
import onautoscrolledtoview.OnAutoScrolledToView;
import static androidx.test.espresso.Espresso.onView;
import static androidx.test.espresso.assertion.ViewAssertions.doesNotExist;
import static androidx.test.espresso.assertion.ViewAssertions.matches;
import static androidx.test.espresso.matcher.ViewMatchers.isCompletelyDisplayed;
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 onautoscrolledtoview.OnAutoScrolledToView.onAutoScrolledToView;
public final class LTRHorizontalFromEndDemoActivityTest {
@Rule
public final TestRule activityTestRule = new ActivityTestRule<DemoActivity>(DemoActivity.class) {
@Override
protected void beforeActivityLaunched() {
final Resources resources = InstrumentationRegistry.getInstrumentation()
.getTargetContext()
.getResources();
final Configuration configuration = resources.getConfiguration();
configuration.setLayoutDirection(new Locale("es"));
resources.updateConfiguration(configuration, resources.getDisplayMetrics());
}
@Override
protected Intent getActivityIntent() {
return DemoActivity.newCallingIntent(
InstrumentationRegistry.getInstrumentation().getTargetContext(),
99,
LinearLayoutManager.HORIZONTAL);
}
};
@Before
public void beforeEach() {
InstrumentationRegistry.getInstrumentation().waitForIdleSync();
}
@Test
public void element99IsVisible() {
onView(withText("\n[99]\n")).check(matches(isCompletelyDisplayed()));
}
@Test
public void element0DoesNotExist() {
onView(withText("\n[0]\n")).check(doesNotExist());
}
@Test
public void element0ExistsWithAutoScroll() {
onAutoScrolledToView(
withText("\n[0]\n"),
withId(R.id.my_recyclerview),
OnAutoScrolledToView.Options.builder()
.axisPxDeltaPerScroll(new OnAutoScrolledToView.AxisPxDelta(
OnAutoScrolledToView.AxisPxDelta.Axis.HORIZONTAL))
.build())
.check(matches(isDisplayed()));
}
@Test
public void elementMinus1DoesNotExistWithAutoScroll() {
onAutoScrolledToView(
withText("\n[-1]\n"),
withId(R.id.my_recyclerview),
OnAutoScrolledToView.Options.builder()
.axisPxDeltaPerScroll(new OnAutoScrolledToView.AxisPxDelta(
OnAutoScrolledToView.AxisPxDelta.Axis.HORIZONTAL))
.build())
.check(doesNotExist());
}
}