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* Copyright (C) 2007 Nick Sieger
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package org.jruby.test;
import org.jruby.exceptions.RaiseException;
import org.jruby.Ruby;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import org.jruby.RubyRuntimeAdapter;
import org.jruby.javasupport.JavaEmbedUtils;
public class TestRaiseException extends TestRubyBase {
public static class ThrowFromJava {
public void throwIt() {
throw new RuntimeException("here");
}
}
protected void setUp() throws Exception {
super.setUp();
runtime = Ruby.newInstance();
}
public void testJavaExceptionTraceIncludesRubys() throws Exception {
String script =
"def one\n" +
" two\n" +
"end\n" +
"def two\n" +
" raise 'here'\n" +
"end\n" +
"one\n";
try {
eval(script);
fail("should have raised an exception");
} catch (RaiseException re) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
re.printStackTrace(new PrintStream(baos));
String trace = baos.toString();
// System.out.println(trace);
assertTrue(trace.indexOf("here") >= 0);
assertTrue(trace.indexOf("one") >= 0);
assertTrue(trace.indexOf("two") >= 0);
// removed this line because we don't include the interpreter in
// traces (for now)
//assertTrue(trace.indexOf("evaluator") == -1);
}
}
public void testRubyExceptionTraceIncludesJavas() throws Exception {
String script =
"require 'java'\n" +
"include_class('org.jruby.test.TestRaiseException$ThrowFromJava') {|p,c| 'ThrowFromJava' }\n" +
"def throw_it\n" +
"tfj = ThrowFromJava.new\n" +
"tfj.throwIt\n" +
"end\n" +
"throw_it\n";
try {
eval(script);
fail("should have raised an exception");
} catch (RaiseException re) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
re.printStackTrace(new PrintStream(baos));
//String trace = baos.toString();
// System.out.println(trace);
}
}
public void testRubyExceptionWithoutCause() throws Exception {
try {
RubyRuntimeAdapter evaler = JavaEmbedUtils.newRuntimeAdapter();
evaler.eval(runtime, "no_method_with_this_name");
fail("Expected ScriptException");
} catch (RaiseException re) {
assertEquals("(NameError) undefined local variable or method `no_method_with_this_name' for main:Object", re.getMessage());
}
}
}