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1
21 package com.db4o.db4ounit.common.assorted;
22
23 import com.db4o.config.*;
24 import com.db4o.db4ounit.util.Strings;
25
26 import db4ounit.*;
27 import db4ounit.extensions.*;
28 import db4ounit.extensions.fixtures.*;
29
30
31 public class AliasesTestCase extends AbstractDb4oTestCase implements OptOutDefragSolo {
32
33 public static void main(String  [] args) {
34 new AliasesTestCase().runSolo();
35 }
36
37
38 private int id;
39
40 private Alias alias;
41
42
43 public static class AFoo{
44 public String foo;
45 }
46
47 public static class ABar extends AFoo {
48 public String bar;
49 }
50
51 public static class BFoo {
52 public String foo;
53 }
54
55 public static class BBar extends BFoo {
56 public String bar;
57 }
58
59 public static class CFoo{
60 public String foo;
61 }
62
63 public static class CBar extends CFoo {
64 public String bar;
65 }
66
67 protected void store(){
68 addACAlias();
69 CBar bar = new CBar();
70 bar.foo = "foo";
71 bar.bar = "bar";
72 store(bar);
73 id = (int)db().getID(bar);
74 }
75
76 public void testAccessByChildClass() throws Exception {
77 addABAlias();
78 BBar bar = (BBar) retrieveOnlyInstance(BBar.class);
79 assertInstanceOK(bar);
80 }
81
82 public void testAccessByParentClass() throws Exception {
83 addABAlias();
84 BBar bar = (BBar) retrieveOnlyInstance(BFoo.class);
85 assertInstanceOK(bar);
86 }
87
88 public void testAccessById() throws Exception {
89 addABAlias();
90 BBar bar = (BBar) db().getByID(id);
91 db().activate(bar, 2);
92 assertInstanceOK(bar);
93 }
94
95 public void testAccessWithoutAlias() throws Exception {
96 removeAlias();
97 ABar bar = (ABar) retrieveOnlyInstance(ABar.class);
98 assertInstanceOK(bar);
99 }
100
101 private void assertInstanceOK (BBar bar) {
102 Assert.areEqual("foo", bar.foo);
103 Assert.areEqual("bar", bar.bar);
104 }
105
106 private void assertInstanceOK (ABar bar) {
107 Assert.areEqual("foo", bar.foo);
108 Assert.areEqual("bar", bar.bar);
109 }
110
111 private void addABAlias() throws Exception {
112 addAlias("A", "B");
113 }
114
115 private void addACAlias(){
116 addAlias("A", "C");
117 }
118
119 private void addAlias(String storedLetter, String runtimeLetter){
120 removeAlias();
121 alias = createAlias(storedLetter, runtimeLetter);
122 db().configure().addAlias(alias);
123 }
124
125 private void removeAlias(){
126 if(alias != null){
127 db().configure().removeAlias(alias);
128 alias = null;
129 }
130 }
131
132 private WildcardAlias createAlias(String storedLetter, String runtimeLetter){
133 String className = reflector().forObject(new ABar()).getName();
134 String storedPattern = Strings.replace(className, "ABar", storedLetter + "*");
135 String runtimePattern = Strings.replace(className, "ABar", runtimeLetter + "*");
136 return new WildcardAlias(storedPattern, runtimePattern);
137 }
138
139 }
140 |
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