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1 package com.puppycrawl.tools.checkstyle.bcel;
2
3 import com.puppycrawl.tools.checkstyle.api.AuditEvent;
4 import com.puppycrawl.tools.checkstyle.api.Configuration;
5 import com.puppycrawl.tools.checkstyle.*;
6 import java.io.ByteArrayInputStream  ;
7 import java.io.ByteArrayOutputStream ;
8 import java.io.File ;
9 import java.io.IOException ;
10 import java.io.InputStreamReader ;
11 import java.io.LineNumberReader ;
12 import java.io.OutputStream ;
13 import java.io.PrintStream ;
14 import java.util.Locale ;
15 import java.util.Properties ;
16
17 import junit.framework.TestCase;
18
19 public abstract class BcelCheckTestCase
20 extends TestCase
21 {
22
23 protected static class BriefLogger
24 extends DefaultLogger
25 {
26 public BriefLogger(OutputStream out)
27 {
28 super(out, true);
29 }
30 public void auditStarted(AuditEvent evt) {}
31 public void fileFinished(AuditEvent evt) {}
32 public void fileStarted(AuditEvent evt) {}
33 }
34
35 private final ByteArrayOutputStream mBAOS = new ByteArrayOutputStream ();
36 protected final PrintStream mStream = new PrintStream (mBAOS);
37 protected final Properties mProps = new Properties ();
38
39 public static DefaultConfiguration createCheckConfig(Class aClazz)
40 {
41 final DefaultConfiguration checkConfig =
42 new DefaultConfiguration(aClazz.getName());
43 return checkConfig;
44 }
45
46 protected Checker createChecker(Configuration aCheckConfig)
47 throws Exception
48 {
49 final DefaultConfiguration dc = createCheckerConfig(aCheckConfig);
50 final Checker c = new Checker();
51 final Locale locale = Locale.ENGLISH;
54 c.setLocaleCountry(locale.getCountry());
55 c.setLocaleLanguage(locale.getLanguage());
56 c.configure(dc);
57 c.addListener(new BriefLogger(mStream));
58 return c;
59 }
60
61 protected DefaultConfiguration createCheckerConfig(Configuration aConfig)
62 {
63 final DefaultConfiguration dc =
64 new DefaultConfiguration("configuration");
65 final DefaultConfiguration twConf = createCheckConfig(ClassFileSetCheck.class);
66 dc.addChild(twConf);
67 twConf.addChild(aConfig);
68 return dc;
69 }
70
71 protected static String getPath(String aFilename)
72 throws IOException
73 {
74 final File f = new File (System.getProperty("testinputs.compiled.dir"),
75 aFilename);
76 return f.getCanonicalPath();
77 }
78
79 protected void verify(Configuration aConfig, String aFileName, String [] aExpected)
80 throws Exception
81 {
82 verify(createChecker(aConfig), aFileName, aFileName, aExpected);
83 }
84
85 protected void verify(Checker aC, String aFileName, String [] aExpected)
86 throws Exception
87 {
88 verify(aC, aFileName, aFileName, aExpected);
89 }
90
91 protected void verify(Checker aC,
92 String aProcessedFilename,
93 String aMessageFileName,
94 String [] aExpected)
95 throws Exception
96 {
97 verify(aC,
98 new File [] {new File (aProcessedFilename)},
99 aMessageFileName, aExpected);
100 }
101
102 protected void verify(Checker aC,
103 File [] aProcessedFiles,
104 String aMessageFileName,
105 String [] aExpected)
106 throws Exception
107 {
108 mStream.flush();
109 final int errs = aC.process(aProcessedFiles);
110
111 final ByteArrayInputStream bais =
113 new ByteArrayInputStream (mBAOS.toByteArray());
114 final LineNumberReader lnr =
115 new LineNumberReader (new InputStreamReader (bais));
116
117 for (int i = 0; i < aExpected.length; i++) {
118 final String expected = aMessageFileName + ":" + aExpected[i];
119 final String actual = lnr.readLine();
120 assertEquals("error message " + i, expected, actual);
121 }
122
123 assertEquals("unexpected output: " + lnr.readLine(),
124 aExpected.length, errs);
125 aC.destroy();
126 }
127 }
128 |
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