google3/third_party/java_src/junit/test/java/org/junit/tests/experimental/results/PrintableResultTest.java

package org.junit.tests.experimental.results;

import static java.util.Arrays.asList;
import static org.hamcrest.CoreMatchers.allOf;
import static org.hamcrest.CoreMatchers.containsString;
import static org.hamcrest.MatcherAssert.assertThat;

import java.util.Arrays;

import org.junit.experimental.results.PrintableResult;
import org.junit.experimental.theories.DataPoint;
import org.junit.experimental.theories.Theories;
import org.junit.experimental.theories.Theory;
import org.junit.runner.Description;
import org.junit.runner.RunWith;
import org.junit.runner.notification.Failure;

@RunWith(Theories.class)
public class PrintableResultTest {
    @Theory(nullsAccepted = false)
    public void backTraceHasGoodToString(String descriptionName,
            final String stackTraceClassName) {
        Failure failure = new Failure(Description
                .createSuiteDescription(descriptionName), new Throwable() {
            private static final long serialVersionUID = 1L;

            @Override
            public StackTraceElement[] getStackTrace() {
                return new StackTraceElement[]{new StackTraceElement(
                        stackTraceClassName, "methodName", "fileName", 1)};
            }
        });

        assertThat(new PrintableResult(asList(failure)).toString(), allOf(
                containsString(descriptionName), containsString(stackTraceClassName)));
    }

    @DataPoint
    public static String SHELL_POINT = "Shell Point";

    @Theory
    public void includeMultipleFailures(String secondExceptionName) {
        PrintableResult backtrace = new PrintableResult(Arrays.asList(
                new Failure(Description.createSuiteDescription("firstName"),
                        new RuntimeException("firstException")), new Failure(
                Description.createSuiteDescription("secondName"),
                new RuntimeException(secondExceptionName))));
        assertThat(backtrace.toString(), containsString(secondExceptionName));
    }
}