package org.junit.tests.experimental.max;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.not;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertThat;
import java.lang.annotation.Annotation;
import java.net.URL;
import java.net.URLClassLoader;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.Description;
public class DescriptionTest {
@Test
public void parseClass_whenCantParse() {
assertNull(Description.TEST_MECHANISM.getTestClass());
}
@Test
public void parseMethod_whenCantParse() {
assertNull(Description.TEST_MECHANISM.getMethodName());
}
@Test(expected = IllegalArgumentException.class)
public void createSuiteDescription_whenZeroLength() {
Description.createSuiteDescription("");
}
@Test(expected = IllegalArgumentException.class)
public void createSuiteDescription_whenNull() {
Description.createSuiteDescription((String) null);
}
@Test
public void parseClassAndMethodNoAnnotations() throws Exception {
Description description = Description.createTestDescription(Description.class, "aTestMethod");
assertThat(description.getClassName(), equalTo("org.junit.runner.Description"));
assertThat(description.getMethodName(), equalTo("aTestMethod"));
assertThat(description.getAnnotations().size(), equalTo(0));
}
@Test
public void parseClassAndMethodWithAnnotations() throws Exception {
Annotation[] annotations =
DescriptionTest.class.getMethod("parseClassAndMethodWithAnnotations").getDeclaredAnnotations();
Description description = Description.createTestDescription(Description.class, "aTestMethod", annotations);
assertThat(description.getClassName(), equalTo("org.junit.runner.Description"));
assertThat(description.getMethodName(), equalTo("aTestMethod"));
assertThat(description.getAnnotations().size(), equalTo(1));
}
@Test
public void parseClassNameAndMethodUniqueId() throws Exception {
Description description = Description.createTestDescription("not a class name", "aTestMethod", 123);
assertThat(description.getClassName(), equalTo("not a class name"));
assertThat(description.getMethodName(), equalTo("aTestMethod"));
assertThat(description.getAnnotations().size(), equalTo(0));
}
@Test
public void sameNamesButDifferentUniqueIdAreNotEqual() throws Exception {
assertThat(Description.createTestDescription("not a class name", "aTestMethod", 1),
not(equalTo(Description.createTestDescription("not a class name", "aTestMethod", 2))));
}
@Test
public void usesPassedInClassObject() throws Exception {
class URLClassLoader2 extends URLClassLoader {
URLClassLoader2(URL... urls) {
super(urls);
}
@Override // just making public
public Class<?> findClass(String name) throws ClassNotFoundException {
return super.findClass(name);
}
}
URL classpath = Sweet.class.getProtectionDomain().getCodeSource().getLocation();
URLClassLoader2 loader = new URLClassLoader2(classpath);
Class<?> clazz = loader.findClass(Sweet.class.getName());
assertEquals(loader, clazz.getClassLoader());
Description d = Description.createSuiteDescription(clazz);
assertEquals(clazz, d.getTestClass());
assertNull(d.getMethodName());
assertEquals(1, d.getAnnotations().size());
assertEquals(Ignore.class, d.getAnnotations().iterator().next().annotationType());
d = Description.createTestDescription(clazz, "tessed");
assertEquals(clazz, d.getTestClass());
assertEquals("tessed", d.getMethodName());
assertEquals(0, d.getAnnotations().size());
d = Description.createTestDescription(clazz, "tessed", clazz.getMethod("tessed").getAnnotations());
assertEquals(clazz, d.getTestClass());
assertEquals("tessed", d.getMethodName());
assertEquals(1, d.getAnnotations().size());
assertEquals(Test.class, d.getAnnotations().iterator().next().annotationType());
d = d.childlessCopy();
assertEquals(clazz, d.getTestClass());
assertEquals("tessed", d.getMethodName());
assertEquals(1, d.getAnnotations().size());
assertEquals(Test.class, d.getAnnotations().iterator().next().annotationType());
}
@Ignore
private static class Sweet {
@Test
public void tessed() {
}
}
}