1 /***
2 * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
3 */
4 package test.net.sourceforge.pmd.rules;
5
6 import net.sourceforge.pmd.PMD;
7 import net.sourceforge.pmd.Report;
8 import net.sourceforge.pmd.Rule;
9 import test.net.sourceforge.pmd.testframework.SimpleAggregatorTst;
10 import test.net.sourceforge.pmd.testframework.TestDescriptor;
11
12 public class UnusedImportsRuleTest extends SimpleAggregatorTst {
13
14 private Rule rule;
15
16 public void setUp() {
17 rule = findRule("imports", "UnusedImports");
18 rule.setMessage("Avoid this stuff -> ''{0}''");
19 }
20
21 public void testAll() {
22 runTests(new TestDescriptor[] {
23 new TestDescriptor(TEST1, "simple unused single type import", 1, rule),
24 new TestDescriptor(TEST2, "one used single type import", 0, rule),
25 new TestDescriptor(TEST3, "2 unused single-type imports", 2, rule),
26 new TestDescriptor(TEST4, "1 used single type import", 0, rule),
27 new TestDescriptor(TEST5, "1 import stmt, used only in throws clause", 0, rule),
28 });
29 }
30
31 public void testForLoop() throws Throwable {
32 Report rpt = new Report();
33 runTestFromString15(TEST6, rule, rpt);
34 assertEquals(0, rpt.size());
35 }
36
37 public void testGenerics() throws Throwable {
38 Report rpt = new Report();
39 runTestFromString15(TEST7, rule, rpt);
40 assertEquals(0, rpt.size());
41 }
42
43 public void testAnnotations() throws Throwable {
44 Report rpt = new Report();
45 runTestFromString15(TEST8, rule, rpt);
46 assertEquals(0, rpt.size());
47 }
48
49 public void testAnnotations2() throws Throwable {
50 Report rpt = new Report();
51 runTestFromString15(TEST9, rule, rpt);
52 assertEquals(0, rpt.size());
53 }
54
55 private static final String TEST1 =
56 "import java.io.File;" + PMD.EOL +
57 "public class Foo {}";
58
59 private static final String TEST2 =
60 "import java.io.File;" + PMD.EOL +
61 "public class Foo {" + PMD.EOL +
62 " private File file;" + PMD.EOL +
63 "}";
64
65 private static final String TEST3 =
66 "import java.io.File;" + PMD.EOL +
67 "import java.util.List;" + PMD.EOL +
68 "public class Foo {" + PMD.EOL +
69 "}";
70
71 private static final String TEST4 =
72 "import java.security.AccessController;" + PMD.EOL +
73 "public class Foo {" + PMD.EOL +
74 " public void foo() {" + PMD.EOL +
75 " AccessController.doPrivileged(null);" + PMD.EOL +
76 " }" + PMD.EOL +
77 "}";
78
79 private static final String TEST5 =
80 "import java.rmi.RemoteException;" + PMD.EOL +
81 "public class Foo {" + PMD.EOL +
82 " public void foo() throws RemoteException {}" + PMD.EOL +
83 "}";
84
85 private static final String TEST6 =
86 "import java.util.ArrayList;" + PMD.EOL +
87 "public class Foo {" + PMD.EOL +
88 " public void foo(ArrayList list) {" + PMD.EOL +
89 " for (String s : list) {}" + PMD.EOL +
90 " }" + PMD.EOL +
91 "}";
92
93 private static final String TEST7 =
94 "import foo.TestInterfaceTwo;" + PMD.EOL +
95 "public class Foo {" + PMD.EOL +
96 " private List<TestInterfaceTwo> x = new ArrayList<TestInterfaceTwo>();" + PMD.EOL +
97 "}";
98
99 private static final String TEST8 =
100 "import foo.annotation.Retention;" + PMD.EOL +
101 "import foo.annotation.RetentionPolicy;" + PMD.EOL +
102 "@Retention(RetentionPolicy.RUNTIME)" + PMD.EOL +
103 "public @interface Foo {" + PMD.EOL +
104 "}";
105
106 private static final String TEST9 =
107 "import foo.FooAnnotation1;" + PMD.EOL +
108 "import foo.FooAnnotation2;" + PMD.EOL +
109 "@FooAnnotation1" + PMD.EOL +
110 "@FooAnnotation2" + PMD.EOL +
111 "public class Foo {}";
112
113 }