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UserFragmentTest.java
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UserFragmentTest.java
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package com.testing.user.async;
import static android.support.test.espresso.Espresso.onView;
import static android.support.test.espresso.assertion.ViewAssertions.matches;
import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.awaitility.Awaitility.await;
import android.support.test.InstrumentationRegistry;
import android.support.test.espresso.matcher.ViewMatchers;
import android.support.test.runner.AndroidJUnit4;
import com.testing.MainActivity;
import com.testing.rules.CreateFileRule;
import com.testing.rules.FragmentAsyncTestRule;
import com.testing.rules.FragmentTestRule;
import java.io.File;
import org.junit.ClassRule;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.RuleChain;
import org.junit.rules.TestRule;
import org.junit.runner.RunWith;
@RunWith(AndroidJUnit4.class)
public class UserFragmentTest {
@ClassRule
public static TestRule asyncRule =
new FragmentAsyncTestRule<>(MainActivity.class, new UserFragment());
@Rule
public final RuleChain rules =
RuleChain.outerRule(new CreateFileRule(getTestFile(), "{name : Sasha}"))
.around(new FragmentTestRule<>(MainActivity.class, new UserFragment()));
@Test
public void nameDisplayed() {
await()
.atMost(5, SECONDS)
.ignoreExceptions()
.untilAsserted(() -> onView(ViewMatchers.withText("Sasha")).check(matches(isDisplayed())));
}
private static File getTestFile() {
return new File(
InstrumentationRegistry.getTargetContext().getFilesDir().getAbsoluteFile()
+ File.separator
+ "test_file");
}
}