1 package org.junit.tests.experimental.theories.runner;
2
3 import static org.junit.Assert.assertEquals;
4 import static org.junit.tests.experimental.theories.TheoryTestUtils.potentialAssignments;
5 import org.junit.Test;
6 import org.junit.experimental.theories.DataPoint;
7 import org.junit.experimental.theories.Theories;
8 import org.junit.runner.RunWith;
9
10 public class WithAutoGeneratedDataPoints {
11
12 private enum ENUM { VALUE, OTHER_VALUE, THIRD_VALUE };
13
14 @RunWith(Theories.class)
15 public static class TheoryTestClassWithAutogeneratedParameterValues {
16
17 public void theory(ENUM e) {
18 }
19
20 public void theory(boolean b) {
21 }
22
23 }
24
25 @Test
26 public void shouldAutomaticallyGenerateEnumDataPoints() throws Throwable {
27 assertEquals(ENUM.values().length, potentialAssignments(
28 TheoryTestClassWithAutogeneratedParameterValues.class.getMethod("theory", ENUM.class)).size());
29 }
30
31 @Test
32 public void shouldAutomaticallyGenerateBooleanDataPoints() throws Throwable {
33 assertEquals(2, potentialAssignments(
34 TheoryTestClassWithAutogeneratedParameterValues.class.getMethod("theory", boolean.class)).size());
35 }
36
37 @RunWith(Theories.class)
38 public static class TheoryTestClassWithSpecificEnumDataPoint {
39
40 @DataPoint
41 public static ENUM value = ENUM.OTHER_VALUE;
42
43 public void theory(ENUM e) {
44 }
45
46 }
47
48 @Test
49 public void shouldNotAutogenerateEnumDataPointsWhenSpecificDataPointGiven() throws Throwable {
50 assertEquals(1, potentialAssignments(
51 TheoryTestClassWithSpecificEnumDataPoint.class.getMethod("theory", ENUM.class)).size());
52 }
53
54 @RunWith(Theories.class)
55 public static class TheoryTestClassWithSpecificBooleanDataPoint {
56
57 @DataPoint
58 public static boolean value = true;
59
60 public void theory(boolean b) {
61 }
62
63 }
64
65 @Test
66 public void shouldNotAutogenerateBooleanDataPointsWhenSpecificDataPointGiven() throws Throwable {
67 assertEquals(1, potentialAssignments(
68 TheoryTestClassWithSpecificBooleanDataPoint.class.getMethod("theory", boolean.class)).size());
69 }
70
71 }