1 package org.junit.runners.model;
2
3 import static org.hamcrest.CoreMatchers.is;
4 import static org.hamcrest.CoreMatchers.nullValue;
5 import static org.junit.Assert.assertThat;
6 import static org.junit.Assert.assertTrue;
7 import static org.junit.rules.ExpectedException.none;
8
9 import java.lang.annotation.Annotation;
10 import java.lang.reflect.Field;
11
12 import org.junit.ClassRule;
13 import org.junit.Rule;
14 import org.junit.Test;
15 import org.junit.rules.ExpectedException;
16
17 public class FrameworkFieldTest {
18 @Rule
19 public final ExpectedException thrown = none();
20
21 @Test
22 public void cannotBeCreatedWithoutUnderlyingField() {
23 thrown.expect(NullPointerException.class);
24 thrown.expectMessage("FrameworkField cannot be created without an underlying field.");
25 new FrameworkField(null);
26 }
27
28 @Test
29 public void hasToStringWhichPrintsFieldName() throws Exception {
30 Field field = ClassWithDummyField.class.getField("dummyField");
31 FrameworkField frameworkField = new FrameworkField(field);
32 assertTrue(frameworkField.toString().contains("dummyField"));
33 }
34
35 @Test
36 public void presentAnnotationIsAvailable() throws Exception {
37 Field field = ClassWithDummyField.class.getField("annotatedField");
38 FrameworkField frameworkField = new FrameworkField(field);
39 Annotation annotation = frameworkField.getAnnotation(Rule.class);
40 assertTrue(Rule.class.isAssignableFrom(annotation.getClass()));
41 }
42
43 @Test
44 public void missingAnnotationIsNotAvailable() throws Exception {
45 Field field = ClassWithDummyField.class.getField("annotatedField");
46 FrameworkField frameworkField = new FrameworkField(field);
47 Annotation annotation = frameworkField.getAnnotation(ClassRule.class);
48 assertThat(annotation, is(nullValue()));
49 }
50
51 private static class ClassWithDummyField {
52 @SuppressWarnings("unused")
53 public final int dummyField = 0;
54
55 @Rule
56 public final int annotatedField = 0;
57 }
58 }