/***** BEGIN LICENSE BLOCK *****
* Version: CPL 1.0/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Common Public
* License Version 1.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.eclipse.org/legal/cpl-v10.html
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Copyright (C) 2001-2002 Benoit Cerrina <b.cerrina@wanadoo.fr>
* Copyright (C) 2002-2004 Anders Bengtsson <ndrsbngtssn@yahoo.se>
* Copyright (C) 2002-2004 Jan Arne Petersen <jpetersen@uni-bonn.de>
* Copyright (C) 2004 Stefan Matthias Aust <sma@3plus4.de>
* Copyright (C) 2006 Aslak Hellesoy <rinkrank@codehaus.org>
* Copyright (C) 2006 Michael Studman <codehaus@michaelstudman.com>
* Copyright (C) 2007 Nick Sieger <nicksieger@gmail.com>
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package org.jruby.test;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.Arrays;
import org.jruby.Ruby;
import org.jruby.RubyArray;
import org.jruby.RubyException;
import org.jruby.RubyInstanceConfig;
import org.jruby.RubyIO;
import org.jruby.RubyString;
import org.jruby.exceptions.RaiseException;
import org.jruby.runtime.Block;
import org.jruby.runtime.builtin.IRubyObject;
/**
* Unit test for the ruby class.
*
* @author Benoit
*/
public class TestRuby extends TestRubyBase {
public TestRuby(String name) {
super(name);
}
@Override
protected void setUp() throws Exception {
super.setUp();
runtime = Ruby.newInstance();
}
public void testArgvIsNonNil() throws Exception {
assert(!runtime.getObject().getConstant("ARGV").isNil());
assert(!runtime.getGlobalVariables().get("$*").isNil());
}
public void testVarAndMet() throws Exception {
runtime.getLoadService().init(new ArrayList());
eval("load 'test/testVariableAndMethod.rb'");
assertEquals("Hello World", eval("puts($a)"));
assertEquals("dlroW olleH", eval("puts $b"));
assertEquals("Hello World", eval("puts $d.reverse, $c, $e.reverse"));
assertEquals("135 20 3", eval("puts $f, \" \", $g, \" \", $h"));
}
public void testPrintErrorWithNilBacktrace() throws Exception {
testPrintErrorWithBacktrace("nil");
}
public void testPrintErrorWithStringBacktrace() throws Exception {
testPrintErrorWithBacktrace("\"abc\"");
}
private void testPrintErrorWithBacktrace(String backtrace) throws Exception {
RubyIO oldStderr = (RubyIO)runtime.getGlobalVariables().get("$stderr");
try {
ByteArrayOutputStream stderrOutput = new ByteArrayOutputStream();
RubyIO newStderr = new RubyIO(runtime, stderrOutput);
runtime.getGlobalVariables().set("$stderr", newStderr);
try {
eval("class MyError < StandardError ; def backtrace ; " + backtrace + " ; end ; end ; raise MyError.new ");
fail("Expected MyError to be raised");
} catch (RaiseException re) {
//No ClassCastException!
runtime.printError(re.getException());
}
} finally {
runtime.getGlobalVariables().set("$stderr", oldStderr);
}
}
public void testPrintErrorShouldPrintErrorMessageAndStacktraceWhenBacktraceIsPresent() {
final ByteArrayOutputStream err = new ByteArrayOutputStream();
RubyInstanceConfig config = new RubyInstanceConfig() {{
setInput(System.in); setOutput(System.out); setError(new PrintStream(err)); setObjectSpaceEnabled(false);
}};
Ruby ruby = Ruby.newInstance(config);
RubyException exception = (RubyException)runtime.getClass("NameError").newInstance(ruby.getCurrentContext(), new IRubyObject[]{ruby.newString("A message")}, Block.NULL_BLOCK);
RubyString[] lines = new RubyString[]{
RubyString.newString(ruby, "Line 1"),
RubyString.newString(ruby, "Line 2"),
};
RubyArray backtrace = RubyArray.newArray(ruby, Arrays.asList(lines));
exception.set_backtrace(backtrace);
ruby.printError(exception);
assertEquals("Line 1: A message (NameError)\n\tfrom Line 2\n", err.toString());
}
public void testPrintErrorShouldOnlyPrintErrorMessageWhenBacktraceIsNil() {
final ByteArrayOutputStream err = new ByteArrayOutputStream();
RubyInstanceConfig config = new RubyInstanceConfig() {{
setInput(System.in); setOutput(System.out); setError(new PrintStream(err)); setObjectSpaceEnabled(false);
}};
Ruby ruby = Ruby.newInstance(config);
RubyException exception = (RubyException)runtime.getClass("NameError").newInstance(ruby.getCurrentContext(), new IRubyObject[]{ruby.newString("A message")}, Block.NULL_BLOCK);
ruby.printError(exception);
// assertEquals(":[0,0]:[0,7]: A message (NameError)\n", err.toString());
}
}