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11 package org.mule.tck;
12
13 import org.mule.impl.RequestContext;
14 import org.mule.tck.testmodels.fruit.InvalidSatsuma;
15 import org.mule.umo.transformer.TransformerException;
16 import org.mule.umo.transformer.UMOTransformer;
17
18 import java.util.Arrays;
19
20 public abstract class AbstractTransformerTestCase extends AbstractMuleTestCase
21 {
22
23
24 protected void doSetUp() throws Exception
25 {
26
27 RequestContext.setEvent(getTestEvent("test"));
28 }
29
30
31 protected void doTearDown() throws Exception
32 {
33 RequestContext.setEvent(null);
34 }
35
36
37
38 protected String normalizeString(String rawString)
39 {
40 rawString = rawString.replaceAll("\r", "");
41 rawString = rawString.replaceAll("\n", "");
42 return rawString.replaceAll("\t", "");
43 }
44
45 public void testTransform() throws Exception
46 {
47 Object result = this.getTransformer().transform(getTestData());
48 assertNotNull(result);
49
50 Object expectedResult = this.getResultData();
51 assertNotNull(expectedResult);
52
53 assertTrue(this.compareResults(expectedResult, result));
54 }
55
56 public void testRoundtripTransform() throws Exception
57 {
58 if (this.getRoundTripTransformer() != null)
59 {
60 Object result = this.getRoundTripTransformer().transform(this.getResultData());
61 assertNotNull(result);
62
63 assertTrue(this.compareRoundtripResults(this.getTestData(), result));
64 }
65 }
66
67 public void testBadReturnType() throws Exception
68 {
69 this.doTestBadReturnType(this.getTransformer(), this.getTestData());
70 }
71
72 public void testRoundtripBadReturnType() throws Exception
73 {
74 if (this.getRoundTripTransformer() != null)
75 {
76 this.doTestBadReturnType(this.getRoundTripTransformer(), this.getResultData());
77 }
78 }
79
80 public void testRoundTrip() throws Exception
81 {
82 if (this.getRoundTripTransformer() != null)
83 {
84 UMOTransformer trans = this.getTransformer();
85 trans.setNextTransformer(this.getRoundTripTransformer());
86 Object result = trans.transform(this.getTestData());
87 this.compareRoundtripResults(this.getTestData(), result);
88 }
89 }
90
91 public void doTestBadReturnType(UMOTransformer tran, Object src) throws Exception
92 {
93 tran.setReturnClass(InvalidSatsuma.class);
94 try
95 {
96 tran.transform(src);
97 fail("Should throw exception for bad return type");
98 }
99 catch (TransformerException e)
100 {
101
102 }
103 }
104
105 public void testClone() throws Exception
106 {
107 UMOTransformer original = this.getTransformer();
108 UMOTransformer clone = (UMOTransformer) original.clone();
109 this.doTestClone(original, clone);
110 }
111
112 protected void doTestClone(UMOTransformer original, UMOTransformer clone) throws Exception
113 {
114 assertNotSame(original, clone);
115 }
116
117 public abstract UMOTransformer getTransformer() throws Exception;
118
119 public abstract UMOTransformer getRoundTripTransformer() throws Exception;
120
121 public abstract Object getTestData();
122
123 public abstract Object getResultData();
124
125 public boolean compareResults(Object expected, Object result)
126 {
127 if (expected == null && result == null)
128 {
129 return true;
130 }
131
132 if (expected == null || result == null)
133 {
134 return false;
135 }
136
137 if (expected instanceof Object[] && result instanceof Object[])
138 {
139 return Arrays.equals((Object[]) expected, (Object[]) result);
140
141
142
143 }
144 else if (expected instanceof byte[] && result instanceof byte[])
145 {
146 return Arrays.equals((byte[]) expected, (byte[]) result);
147 }
148
149
150 if (expected instanceof String && result instanceof String)
151 {
152 expected = this.normalizeString((String) expected);
153 result = this.normalizeString((String) result);
154 }
155
156 return expected.equals(result);
157 }
158
159 public boolean compareRoundtripResults(Object expected, Object result)
160 {
161 return compareResults(expected, result);
162 }
163
164 }