/**
* Test persistence of display model's properties
*
* @throws Exception on error
*/
@Test
public void testDisplayModelPersistence() throws Exception {
final DisplayModel model = new DisplayModel();
model.getProperty("width").setValueFromObject(400);
model.getProperty("height").setValueFromObject(800);
final Widget widget = new Widget("base");
widget.setPropertyValue(widgetName, "Test");
widget.getProperty("x").setValueFromObject(42);
model.addChild(widget);
final ByteArrayOutputStream out = new ByteArrayOutputStream();
try (final ModelWriter writer = new ModelWriter(out); ) {
writer.writeModel(model);
}
final String xml = out.toString();
System.out.println(xml);
final ModelReader reader = new ModelReader(new ByteArrayInputStream(xml.getBytes()));
final DisplayModel readback = reader.readModel();
assertThat(readback.getPropertyValue(CommonWidgetProperties.positionWidth), equalTo(400));
assertThat(readback.getPropertyValue(CommonWidgetProperties.positionHeight), equalTo(800));
assertThat(readback.getChildren().size(), equalTo(1));
assertThat(
readback.getChildren().get(0).getPropertyValue(CommonWidgetProperties.positionX),
equalTo(42));
}
/**
* Writing widgets as XML
*
* @throws Exception on error
*/
@Test
public void testWidgetWriting() throws Exception {
final ByteArrayOutputStream stream = new ByteArrayOutputStream();
try (final ModelWriter writer = new ModelWriter(stream); ) {
final Widget widget = new CustomWidget();
widget.setPropertyValue(widgetName, "Demo");
widget.getProperty(CustomWidget.miscZeroTen).setValue(7);
writer.writeWidget(widget);
final GroupWidget group = new GroupWidget();
group.setPropertyValue(widgetName, "My Group");
final Widget child = new Widget("base");
child.setPropertyValue(widgetName, "Jänner");
group.addChild(child);
writer.writeWidget(group);
}
final String xml = stream.toString();
System.out.println(xml);
final String desired = getExampleFile();
assertThat(xml.replace("\r", ""), equalTo(desired));
}
/**
* Write and read multi-line string property
*
* @throws Exception on error
*/
@Test
public void testMultilineString() throws Exception {
final WidgetPropertyDescriptor<String> prop = widgetName;
final String written_value = "Line 1\n" + "Line 2\n" + "Line 3";
final ByteArrayOutputStream out = new ByteArrayOutputStream();
try (final ModelWriter writer = new ModelWriter(out); ) {
final Widget widget = new Widget("base");
widget.setPropertyValue(prop, "StringTest");
assertThat(widget.getProperty(prop), instanceOf(StringWidgetProperty.class));
widget.getProperty(prop).setValue(written_value);
writer.writeWidget(widget);
}
checkReadback(out.toString(), prop, written_value);
// Same text
String xml =
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+ "<display version=\"1.0.0\">\n"
+ " <widget type=\"base\" version=\"1.0.0\">\n"
+ " <name>Line 1\n"
+ "Line 2\n"
+ "Line 3</name>\n"
+ " <x>0</x>\n"
+ " <y>0</y>\n"
+ " </widget>\n"
+ "</display>";
checkReadback(xml, prop, written_value);
// .. with Unicode for the newlines
xml =
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+ "<display version=\"1.0.0\">\n"
+ " <widget type=\"base\" version=\"1.0.0\">\n"
+ " <name>Line 1
"
+ "Line 2
"
+ "Line 3</name>\n"
+ " <x>0</x>\n"
+ " <y>0</y>\n"
+ " </widget>\n"
+ "</display>";
checkReadback(xml, prop, written_value);
}
/**
* Read widgets from XML
*
* @throws Exception on error
*/
@Test
public void testWidgetReading() throws Exception {
final String xml = getExampleFile();
final InputStream stream = new ByteArrayInputStream(xml.getBytes());
final ModelReader reader = new ModelReader(stream);
final DisplayModel model = reader.readModel();
final List<Widget> widgets = model.getChildren();
for (final Widget widget : widgets) {
System.out.println(widget);
System.out.println(
widget.getProperties().stream().map(Object::toString).collect(Collectors.joining("\n")));
}
assertThat(widgets.size(), equalTo(2));
final List<String> names = widgets.stream().map(Widget::getName).collect(Collectors.toList());
assertThat(names, equalTo(Arrays.asList("Demo", "My Group")));
assertThat(widgets.get(1), instanceOf(GroupWidget.class));
assertThat(((GroupWidget) widgets.get(1)).getChildren().get(0).getName(), equalTo("Jänner"));
}
@Override
public void run() {
// Count 0..99 at 10 Hz
final String text = Long.toString((System.currentTimeMillis() / 100) % 100);
widget.setPropertyValue(propText, text);
}