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1
34 package org.jruby.test;
35
36 import java.io.ByteArrayOutputStream  ;
37 import java.io.PrintStream ;
38 import java.util.ArrayList ;
39 import java.util.Arrays ;
40
41 import org.jruby.Ruby;
42 import org.jruby.RubyArray;
43 import org.jruby.RubyException;
44 import org.jruby.RubyInstanceConfig;
45 import org.jruby.RubyIO;
46 import org.jruby.RubyString;
47 import org.jruby.exceptions.RaiseException;
48
49
54 public class TestRuby extends TestRubyBase {
55
56 public TestRuby(String name) {
57 super(name);
58 }
59
60 public void setUp() {
61 runtime = Ruby.getDefaultInstance();
62 }
63
64 public void testVarAndMet() throws Exception {
65 runtime.getLoadService().init(new ArrayList ());
66 eval("load 'test/testVariableAndMethod.rb'");
67 assertEquals("Hello World", eval("puts($a)"));
68 assertEquals("dlroW olleH", eval("puts $b"));
69 assertEquals("Hello World", eval("puts $d.reverse, $c, $e.reverse"));
70 assertEquals("135 20 3", eval("puts $f, \" \", $g, \" \", $h"));
71 }
72
73 public void testPrintErrorWithNilBacktrace() throws Exception {
74 testPrintErrorWithBacktrace("nil");
75 }
76
77 public void testPrintErrorWithStringBacktrace() throws Exception {
78 testPrintErrorWithBacktrace("\"abc\"");
79 }
80
81 private void testPrintErrorWithBacktrace(String backtrace) throws Exception {
82 RubyIO oldStderr = (RubyIO)runtime.getGlobalVariables().get("$stderr");
83 try {
84 ByteArrayOutputStream stderrOutput = new ByteArrayOutputStream ();
85 RubyIO newStderr = new RubyIO(runtime, stderrOutput);
86 runtime.getGlobalVariables().set("$stderr", newStderr);
87
88 try {
89 eval("class MyError < StandardError ; def backtrace ; " + backtrace + " ; end ; end ; raise MyError.new ");
90 fail("Expected MyError to be raised");
91 } catch (RaiseException re) {
92 runtime.printError(re.getException());
94 }
95 } finally {
96 runtime.getGlobalVariables().set("$stderr", oldStderr);
97 }
98 }
99
100 public void testPrintErrorShouldPrintErrorMessageAndStacktraceWhenBacktraceIsPresent() {
101 final ByteArrayOutputStream err = new ByteArrayOutputStream ();
102 RubyInstanceConfig config = new RubyInstanceConfig() {{
103 setInput(System.in); setOutput(System.out); setError(new PrintStream (err)); setObjectSpaceEnabled(false);
104 }};
105 Ruby ruby = Ruby.newInstance(config);
106 RubyException exception = new RubyException(ruby, ruby.getClass("NameError"), "A message");
107 RubyString[] lines = new RubyString[]{
108 RubyString.newString(ruby, "Line 1"),
109 RubyString.newString(ruby, "Line 2"),
110 };
111 RubyArray backtrace = RubyArray.newArray(ruby, Arrays.asList(lines));
112 exception.set_backtrace(backtrace);
113 ruby.printError(exception);
114 assertEquals("Line 1: A message (NameError)\n\tfrom Line 2\n", err.toString());
115 }
116
117 public void testPrintErrorShouldOnlyPrintErrorMessageWhenBacktraceIsNil() {
118 final ByteArrayOutputStream err = new ByteArrayOutputStream ();
119 RubyInstanceConfig config = new RubyInstanceConfig() {{
120 setInput(System.in); setOutput(System.out); setError(new PrintStream (err)); setObjectSpaceEnabled(false);
121 }};
122 Ruby ruby = Ruby.newInstance(config);
123 RubyException exception = new RubyException(ruby, ruby.getClass("NameError"), "A message");
124 ruby.printError(exception);
125 }
127 }
128 |
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