1 package org.junit.tests.experimental.theories;
2
3 import static org.junit.Assert.*;
4 import org.junit.Test;
5 import org.junit.experimental.theories.PotentialAssignment;
6 import org.junit.experimental.theories.PotentialAssignment.CouldNotGenerateValueException;
7
8 public class PotentialAssignmentTest {
9
10 @Test
11 public void shouldUseQuotedValueInDescription() throws CouldNotGenerateValueException {
12 String name = "stringDatapoint";
13 Object value = new Object() {
14 @Override
15 public String toString() {
16 return "string value";
17 }
18 };
19
20 PotentialAssignment assignment = PotentialAssignment.forValue(name, value);
21
22 assertEquals("\"string value\" <from stringDatapoint>", assignment.getDescription());
23 }
24
25 @Test
26 public void shouldNotUseQuotesForNullValueDescriptions() throws CouldNotGenerateValueException {
27 String name = "nullDatapoint";
28 Object value = null;
29
30 PotentialAssignment assignment = PotentialAssignment.forValue(name, value);
31
32 assertEquals("null <from nullDatapoint>", assignment.getDescription());
33 }
34
35 @Test
36 public void shouldIncludeFailureInDescriptionIfToStringFails() throws CouldNotGenerateValueException {
37 String name = "explodingValue";
38 Object value = new Object() {
39 @Override
40 public String toString() {
41 throw new RuntimeException("Oh no!");
42 }
43 };
44
45 PotentialAssignment assignment = PotentialAssignment.forValue(name, value);
46
47 assertEquals("[toString() threw RuntimeException: Oh no!] <from explodingValue>", assignment.getDescription());
48 }
49
50 @Test
51 public void shouldReturnGivenValue() throws CouldNotGenerateValueException {
52 Object value = new Object();
53 PotentialAssignment assignment = PotentialAssignment.forValue("name", value);
54 assertEquals(value, assignment.getValue());
55 }
56
57 }