1 package org.junit.tests.experimental.theories.runner;
2
3 import static org.hamcrest.CoreMatchers.containsString;
4 import static org.junit.Assert.assertEquals;
5 import static org.junit.Assert.assertThat;
6 import static org.junit.tests.experimental.theories.TheoryTestUtils.potentialAssignments;
7
8 import java.util.List;
9
10 import org.junit.Test;
11 import org.junit.experimental.theories.DataPoint;
12 import org.junit.experimental.theories.DataPoints;
13 import org.junit.experimental.theories.FromDataPoints;
14 import org.junit.experimental.theories.PotentialAssignment;
15 import org.junit.experimental.theories.Theories;
16 import org.junit.experimental.theories.Theory;
17 import org.junit.runner.RunWith;
18
19 public class WithNamedDataPoints {
20
21 @RunWith(Theories.class)
22 public static class HasSpecificDatapointsParameters {
23
24 @DataPoints
25 public static String[] badStrings = new String[] { "bad" };
26
27 @DataPoint
28 public static String badString = "also bad";
29
30 @DataPoints("named")
31 public static String[] goodStrings = new String[] { "expected", "also expected" };
32
33 @DataPoint("named")
34 public static String goodString = "expected single value";
35
36 @DataPoints("named")
37 public static String[] methodStrings() {
38 return new String[] { "expected method value" };
39 }
40
41 @DataPoint("named")
42 public static String methodString() {
43 return "expected single method string";
44 }
45
46 @DataPoints
47 public static String[] otherMethod() {
48 return new String[] { "other method value" };
49 }
50
51 @DataPoint
52 public static String otherSingleValueMethod() {
53 return "other single value string";
54 }
55
56 @Theory
57 public void theory(@FromDataPoints("named") String param) {
58 }
59
60 }
61
62 @Test
63 public void onlyUseSpecificDataPointsIfSpecified() throws Throwable {
64 List<PotentialAssignment> assignments = potentialAssignments(HasSpecificDatapointsParameters.class
65 .getMethod("theory", String.class));
66
67 assertEquals(5, assignments.size());
68 for (PotentialAssignment assignment : assignments) {
69 assertThat((String) assignment.getValue(), containsString("expected"));
70 }
71 }
72
73 }