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Java > Open Source Codes > org > jruby > javasupport > test > RubyTestCase


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14  * Copyright (C) 2002 Don Schwartz <schwardo@users.sourceforge.net>
15  * Copyright (C) 2002-2004 Anders Bengtsson <ndrsbngtssn@yahoo.se>
16  * Copyright (C) 2002-2004 Jan Arne Petersen <jpetersen@uni-bonn.de>
17  * Copyright (C) 2004 Stefan Matthias Aust <sma@3plus4.de>
18  * Copyright (C) 2004 Charles O Nutter <headius@headius.com>
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32 package org.jruby.javasupport.test;
33
34 import java.io.FileOutputStream JavaDoc;
35 import java.io.IOException JavaDoc;
36 import java.io.InputStream JavaDoc;
37 import java.net.URL JavaDoc;
38
39 import junit.framework.TestCase;
40
41 import org.jruby.Ruby;
42 import org.jruby.RubyKernel;
43 import org.jruby.javasupport.JavaUtil;
44 import org.jruby.runtime.builtin.IRubyObject;
45 import org.jruby.util.NormalizedFile;
46
47 public class RubyTestCase extends TestCase {
48     private static final IRubyObject[] EMPTY_ARRAY = IRubyObject.NULL_ARRAY;
49
50     public RubyTestCase(String JavaDoc name) {
51         super(name);
52     }
53
54     protected Ruby createRuby(URL JavaDoc url) throws IOException JavaDoc {
55         if (url == null) {
56             throw new NullPointerException JavaDoc("url was null");
57         }
58         InputStream JavaDoc in = url.openStream();
59         NormalizedFile f = (NormalizedFile)NormalizedFile.createTempFile("rtc", ".rb");
60         FileOutputStream JavaDoc out = new FileOutputStream JavaDoc(f);
61
62         int length;
63         byte[] buf = new byte[8096];
64         while ((length = in.read(buf, 0, buf.length)) >= 0) {
65             out.write(buf, 0, length);
66         }
67         in.close();
68         out.close();
69
70         String JavaDoc filePath = f.getAbsolutePath();
71         Ruby runtime = Ruby.getDefaultInstance();
72         initRuby(runtime);
73         RubyKernel.require(runtime.getTopSelf(), runtime.newString(filePath), null);
74         f.delete();
75         return runtime;
76     }
77
78     // Is there something built into JRuby to do this?
79
protected void initRuby(Ruby runtime) {
80         IRubyObject empty =
81             JavaUtil.convertJavaToRuby(
82                 runtime,
83                 EMPTY_ARRAY,
84                 EMPTY_ARRAY.getClass());
85
86         runtime.defineReadonlyVariable("$-p", runtime.getNil());
87         runtime.defineReadonlyVariable("$-n", runtime.getNil());
88         runtime.defineReadonlyVariable("$-a", runtime.getNil());
89         runtime.defineReadonlyVariable("$-l", runtime.getNil());
90         runtime.defineReadonlyVariable("$\"", empty);
91         runtime.defineReadonlyVariable("$*", empty);
92         runtime.defineReadonlyVariable("$:", empty);
93         runtime.defineGlobalConstant("ARGV", empty);
94     }
95 }
96
97
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