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1
3 package atest.jmock;
4
5 import junit.framework.AssertionFailedError;
6 import org.jmock.Mock;
7 import org.jmock.MockObjectTestCase;
8 import org.jmock.core.DynamicMockError;
9
10
11 public class ErrorMessagesAcceptanceTest extends MockObjectTestCase
12 {
13 private static final String  MOCK_NAME = "MOCK_NAME";
14
15 public void testUnexpectedCallAlsoShowsExpectedCalls() {
16 String arg1 = "arg1";
17 String callID = "callID";
18 Object arg2 = newDummy("arg2");
19 Mock mock = mock(Types.WithTwoMethods.class, MOCK_NAME);
20 unregisterToVerify(mock);
22 mock.expects(once()).method("twoArgsReturnsInt").with(ANYTHING, ANYTHING)
23 .will(returnValue(1)).id(callID);
24 mock.expects(once()).method("twoArgsReturnsInt").with(eq(arg1), same(arg2))
25 .after(callID)
26 .will(returnValue(1));
27
28 try {
29 ((Types.WithTwoMethods)mock.proxy()).noArgsReturnsNothing();
30 }
31 catch (DynamicMockError error) {
32 String errorMessage = error.getMessage();
33
34 String causeOfError = "no match found";
35 String expectedMethod1 =
36 "expected once: twoArgsReturnsInt( ANYTHING, ANYTHING ), returns <1> [" + callID + "]";
37 String expectedMethod2 =
38 "expected once: twoArgsReturnsInt( eq(<" + arg1 + ">), same(<" + arg2 + ">) ), after " + callID + " (not invoked), returns <1>";
39
40 assertStringContains("should contain mock name",
41 errorMessage, MOCK_NAME);
42
43 assertStringContains("should report cause of error",
44 errorMessage, causeOfError);
45
46 assertSubstringOrder("mock name should appear before cause of error",
47 errorMessage, MOCK_NAME, causeOfError);
48
49 assertStringContains("should report invokedMethod that caused error",
50 errorMessage,
51 "noArgsReturnsNothing()");
52
53 assertStringContains("should report acceptable methods (#1)",
54 errorMessage, expectedMethod1);
55
56 assertStringContains("should report acceptable methods (#2)",
57 errorMessage, expectedMethod2);
58
59 assertSubstringOrder("should report acceptable methods in search order",
60 errorMessage, expectedMethod1, expectedMethod2);
61
62 return;
63 }
64
65 fail("expected DynamicMockError");
66 }
67
68 public void testShowsNoExpectationsStringWhenNoExpectationsSet() {
69 Mock mock = mock(Types.WithTwoMethods.class);
70 try {
71 ((Types.WithTwoMethods)mock.proxy()).twoArgsReturnsInt("arg1", "arg2");
72 }
73 catch (DynamicMockError error) {
74 String errorMessage = error.getMessage();
75
76 assertStringContains("should report no expectations have been set",
77 errorMessage, "No expectations set");
78 return;
79 }
80
81 fail("expected DynamicMockError");
82 }
83
84 public void testShowsExpectationThatDoesNotVerify() {
85 String arg1 = "arg1";
86 Object arg2 = new Object ();
87 String expectedMethod =
88 "expected once: twoArgsReturnsInt( eq(<" + arg1 + ">), same(<" + arg2 + ">) ), returns <1>";
89
90 Mock mock = mock(Types.WithTwoMethods.class, MOCK_NAME);
91 unregisterToVerify(mock);
93 mock.expects(once()).method("twoArgsReturnsInt").with(eq(arg1), same(arg2))
94 .will(returnValue(1));
95
96 try {
97 mock.verify();
98 }
99 catch (AssertionFailedError ex) {
100 String message = ex.getMessage();
101
102 assertStringContains("error message should contain expected invokedMethod",
103 message, expectedMethod);
104 assertStringContains("error message should describe error",
105 message, "was not invoked");
106
107 return;
108 }
109
110 fail("expected AssertionFailedError");
111 }
112
113 public static void assertStringContains( String message, String string, String substring ) {
114 assertTrue(message + ": expected \"" + string + "\" to contain \"" + substring + "\"",
115 string.indexOf(substring) >= 0);
116 }
117
118 public static void assertSubstringOrder( String message, String string,
119 String earlierSubstring, String laterSubstring ) {
120 assertStringContains(message, string, earlierSubstring);
121 assertStringContains(message, string, laterSubstring);
122
123 int earlierIndex = string.indexOf(earlierSubstring);
124 int laterIndex = string.indexOf(laterSubstring);
125
126 assertTrue(message + ": expected \"" + earlierSubstring + "\" " +
127 "to appear before \"" + laterSubstring + "\" in \"" + string + "\"",
128 earlierIndex < laterIndex);
129
130 }
131 }
132 |
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