Java Code Examples for org.jruby.Ruby#newInstance()

public void checkForWindowNameAndComments() throws Exception {
    ModuleList moduleList = new ModuleList(Ruby.newInstance(), "authentication");
    Module top = moduleList.getTop();
    List<Module> modules = top.getChildren();
    assertEquals(1, modules.size());
    Module login = modules.get(0);
    assertEquals("login", login.getName());
    List<Function> functions = login.getFunctions();
    assertEquals(2, functions.size());
    Function loginFunction = functions.get(0);
    String lineSepearator = System.getProperty("line.separator");
    assertEquals(
            convert2code(new String[] { "=begin", "This is an example with with_window call and comments", "=end" }).trim(),
            loginFunction.getDocumentation().trim().replaceAll("\n", lineSepearator));
    assertEquals("Login", loginFunction.getWindow());
    Function loginFunction2 = functions.get(1);
    assertEquals("", loginFunction2.getDocumentation());
    assertNull(loginFunction2.getWindow());
}
 

public void checkForListArgs() throws Exception {
    ModuleList moduleList = new ModuleList(Ruby.newInstance(), "selection");
    Module top = moduleList.getTop();
    List<Module> modules = top.getChildren();
    assertEquals(1, modules.size());
    Module arrays = modules.get(0);
    assertEquals("arrays", arrays.getName());
    List<Function> functions = arrays.getFunctions();
    assertEquals(3, functions.size());
    Function selectOneFunction = functions.get(0);
    assertEquals("select_one", selectOneFunction.getName());
    List<Argument> arguments = selectOneFunction.getArguments();
    assertEquals(2, arguments.size());
    Argument arg = arguments.get(0);
    assertEquals("integers", arg.getName());
    assertNull(arg.getDefault());
    assertNotNull(arg.getDefaultList());
    arg = arguments.get(1);
    assertEquals("strings", arg.getName());
    assertNull(arg.getDefault(), arg.getDefault());
    assertNotNull(arg.getDefaultList());
}
 

/**
 * This hooks our Ruble scripting up to Content Assist, allowing them to contribute possible proposals. Experimental
 * right now as the way to return results is... interesting.
 * 
 * @param viewer
 * @param offset
 * @return
 */
protected List<ICompletionProposal> addRubleProposals(ITextViewer viewer, int offset)
{
	ArrayList<ICompletionProposal> proposals = new ArrayList<ICompletionProposal>();
	try
	{
		String scope = getDocumentScopeManager().getScopeAtOffset(viewer, offset);
		List<ContentAssistElement> commands = getBundleManager().getContentAssists(new ScopeFilter(scope));
		if (!CollectionsUtil.isEmpty(commands))
		{
			Ruby ruby = Ruby.newInstance();
			for (ContentAssistElement ce : commands)
			{
				proposals.addAll(addRubleCAProposals(viewer, offset, ruby, ce));
			}
		}
	}
	catch (BadLocationException e)
	{
		IdeLog.logError(CommonEditorPlugin.getDefault(), e);
	}

	proposals.trimToSize();
	return proposals;
}
 

public void returnsFunctionsFromAFile() throws Exception {
    ModuleList moduleList = new ModuleList(Ruby.newInstance(), "moduledir");
    Module top = moduleList.getTop();
    assertEquals(1, top.getChildren().size());
    assertEquals(0, top.getFunctions().size());
    Module module = top.getChildren().get(0);
    assertEquals(1, module.getFunctions().size());
    assertEquals(0, module.getChildren().size());
    Function f = module.getFunctions().get(0);
    assertEquals("module_function_1", f.getName());
    assertEquals("f", f.getArguments().get(0).getName());
    assertEquals("s", f.getArguments().get(1).getName());
    assertEquals(null, f.getArguments().get(0).getDefault());
    assertEquals("Hello", f.getArguments().get(1).getDefault());
}
 

public void returnsFunctionsFromSubdirectories() throws Exception {
    ModuleList moduleList = new ModuleList(Ruby.newInstance(), "moduledir2");
    Module top = moduleList.getTop();
    assertEquals(2, top.getChildren().size());
    Module subdir = top.getChildren().get(0);
    assertEquals("subdir", subdir.getName());
    Module subdir2 = top.getChildren().get(1);
    assertEquals("subdir", subdir2.getName());
}
 

public JComponent createComponent() {
    JPanel panel = new JPanel();
    JPanel console = new JPanel();
    panel.setLayout(new BorderLayout());

    final JEditorPane text = new JTextPane();

    text.setMargin(new Insets(8, 8, 8, 8));
    text.setCaretColor(new Color(0xa4, 0x00, 0x00));
    text.setBackground(new Color(0xf2, 0xf2, 0xf2));
    text.setForeground(new Color(0xa4, 0x00, 0x00));
    Font font = findFont("Monospaced", Font.PLAIN, 14, new String[]{
            "Monaco", "Andale Mono"});

    text.setFont(font);
    JScrollPane pane = new JScrollPane();
    pane.setViewportView(text);
    pane.setBorder(BorderFactory.createLineBorder(Color.darkGray));
    panel.add(pane, BorderLayout.CENTER);
    console.validate();

    final TextAreaReadline tar = new TextAreaReadline(text,
            getString("Wellcom") + " \n\n");

    RubyInstanceConfig config = new RubyInstanceConfig() {
        {
            //setInput(tar.getInputStream());
            //setOutput(new PrintStream(tar.getOutputStream()));
            //setError(new PrintStream(tar.getOutputStream()));
            setObjectSpaceEnabled(false);
        }
    };
    Ruby runtime = Ruby.newInstance(config);
    tar.hookIntoRuntimeWithStreams(runtime);

    run(runtime);
    return panel;
}
 

@Test public void shouldWrapJavaIOExceptions() throws Exception {
  Ruby ruby = Ruby.newInstance();
  RackInput rackInput = mock(RackInput.class);
  when(rackInput.read(null)).thenThrow(new IOException("fake"));

  JRubyRackInput subject = new JRubyRackInput(ruby, rackInput);
  GlobalVariables globalVariables = ruby.getGlobalVariables();
  globalVariables.set("$rack_input", subject);

  IRubyObject result =
      ruby.evalScriptlet(
          "begin; $rack_input.read; rescue IOError => e; \"rescued #{e.message}\"; end");
  assertThat(result.asJavaString()).isEqualTo("rescued fake");
}
 

public void moduleListReturnsEmptyArrayWhenNoModulesAreAvailable() throws Exception {
    ModuleList moduleList = new ModuleList(Ruby.newInstance(), "emptymoduledir");
    Module top = moduleList.getTop();
    assertEquals(0, top.getChildren().size());
    assertEquals(0, top.getFunctions().size());
}