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1 package com.puppycrawl.tools.checkstyle;
2
3 import com.puppycrawl.tools.checkstyle.api.AuditEvent;
4 import com.puppycrawl.tools.checkstyle.api.Configuration;
5
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 BaseCheckTestCase
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 protected 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(TreeWalker.class);
66 twConf.addAttribute("charset", "iso-8859-1");
68 dc.addChild(twConf);
69 twConf.addChild(aConfig);
70 return dc;
71 }
72
73 protected static String getPath(String aFilename)
74 throws IOException
75 {
76 final File f = new File (System.getProperty("testinputs.dir"),
77 aFilename);
78 return f.getCanonicalPath();
79 }
80
81 protected void verify(Configuration aConfig, String aFileName, String [] aExpected)
82 throws Exception
83 {
84 verify(createChecker(aConfig), aFileName, aFileName, aExpected);
85 }
86
87 protected void verify(Checker aC, String aFileName, String [] aExpected)
88 throws Exception
89 {
90 verify(aC, aFileName, aFileName, aExpected);
91 }
92
93 protected void verify(Checker aC,
94 String aProcessedFilename,
95 String aMessageFileName,
96 String [] aExpected)
97 throws Exception
98 {
99 verify(aC,
100 new File [] {new File (aProcessedFilename)},
101 aMessageFileName, aExpected);
102 }
103
104 protected void verify(Checker aC,
105 File [] aProcessedFiles,
106 String aMessageFileName,
107 String [] aExpected)
108 throws Exception
109 {
110 mStream.flush();
111 final int errs = aC.process(aProcessedFiles);
112
113 final ByteArrayInputStream bais =
115 new ByteArrayInputStream (mBAOS.toByteArray());
116 final LineNumberReader lnr =
117 new LineNumberReader (new InputStreamReader (bais));
118
119 for (int i = 0; i < aExpected.length; i++) {
120 final String expected = aMessageFileName + ":" + aExpected[i];
121 final String actual = lnr.readLine();
122 assertEquals("error message " + i, expected, actual);
123 }
124
125 assertEquals("unexpected output: " + lnr.readLine(),
126 aExpected.length, errs);
127 aC.destroy();
128 }
129 }
130 |
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