JavaFX8 TestFX - CDI

20.10.2015 JavaFX8 - TestFX - CDI - JUG
http://localhost:63342/java-courses/doc/javafx-testfx-tdd.html#1 2/164
Sven Ruppert
has been coding java since 1996
Fellow / Senior Manager
reply Group
Germany - Munich
@SvenRuppert
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JavaFX 8 - JumpStart
Intro
Swing was yesterday.... now JavaFX ;-)
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Intro
Since Java8...
.. JavaFX8 is part of the JDK
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Intro
Since Java8...
.. you could use it with JDK7, but you have to add it by yourself.
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Intro
Since Java8...
BUT:
The switch from JavaFX 2.2 to JavaFX8 could be a lot of work..
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Intro
Since Java8...
BUT:
The switch from JavaFX 2.2 to JavaFX8 could be a lot of work..
for example: Builder-API is now deprecated and a lot of the constructors are
changed.
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Hello World - only to remember
a simple example with a button and a service...
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different ways to implement..
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different ways to implement..
.. lets start without fxml
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@SvenRuppert
public class JavaFXPlain extends Application {
public static void main(String[] args) { launch(args); }
@Override
public void start(Stage primaryStage) {
final AnchorPane rootNode = new AnchorPane();
HBox hBox = new HBox();
final TextField tf1 = new TextField(), tf2 = new TextField(), tfResult = new TextField();
final Button button = new Button();
button.setText("Ohhh press me..");
button.setOnAction(event -> {
String v1 = tf1.getText(); String v2 = tf2.getText();
int result = valueOf(v1) + valueOf(v2);
tfResult.setText(result+"");
});
hBox.getChildren().addAll(tf1, tf2, button, tfResult);
rootNode.getChildren().add(hBox);
final Scene scene = new Scene(rootNode, 640, 60);
primaryStage.setScene(scene);
primaryStage.show();
}
}
JAVA
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Application:
The main class from an JavaFX Application will extend
javafx.application.Application.
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Application:
Method: start
The start() Method will be the main start-point of the application.
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Application:
Method: start
Stage:
This instance is the top level container for all JavaFX Components
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Application:
Method: start
Stage:
This instance is the top level container for all JavaFX Components
Scene:
This instance will be the container for the your content.
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@SvenRuppert
public static void main(String[] args) { launch(args); }
@Override
int result = valueOf(v1) + valueOf(v2);
});
}
}
JAVA
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oh now..... how to test it ???
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we will start with jUnit....
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.. so we have to extract the logic
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.. so we have to extract the logic
@SvenRuppert
publicclassAddService{
publicintadd(inta,intb){returna+b;}
}
JAVA
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@SvenRuppert
}
@TestpublicvoidtestAdd001()throwsException{
AddServiceservice=newAddService();
intr=service.add(0,0);
Assert.assertEquals(0,r);
}
JAVA
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@SvenRuppert
}
@TestpublicvoidtestAdd001()throwsException{
AddServiceservice=newAddService();
intr=service.add(0,0);
Assert.assertEquals(0,r);
}
publicclassString2Int{
publicintconvert(Strings){returnInteger.valueOf(s);}
}
JAVA
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@SvenRuppert
public class AddService {
public int add(int a, int b){ return a +b; }
}
@Test public void testAdd001() throws Exception {
AddService service = new AddService();
int r = service.add(0, 0);
Assert.assertEquals(0, r);
}
public class String2Int {
public int convert(String s){ return Integer.valueOf(s); }
}
@Test public void test001() throws Exception {
String2Int s = new String2Int();
int r = s.convert("0");
Assert.assertEquals(r, 0);
}
JAVA
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What is reached?
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What is reached?
.. UI with less logic
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What is reached?
.. we could test the logic with jUnit
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What is reached?
.. we increased the code coverage
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What is reached?
.. we increased the code coverage
but how much?
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@SvenRuppert
private AddService addService = new AddService();
private String2Int string2Int = new String2Int();
int intA = string2Int.convert(v1); int intB = string2Int.convert(v2);
int result = addService.add(intA, intB);
});
}
JAVA
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performance is part of TDD
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.. how fast are the services?
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.. start with microbenchmarks
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.. use JMH -> http://openjdk.java.net/projects/code-tools/jmh/
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.. use JMH -> http://openjdk.java.net/projects/code-tools/jmh/
show the code v003 ;-)
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JavaFX 8 - TestFX
testing - Basics : plain jUnit
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JavaFX 8 - TestFX
testing - Frameworks
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JavaFX 8 - TestFX
testing - Frameworks
testing - (C)DI
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JavaFX 8 - TestFX
integration tests - including UI ?
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JavaFX 8 - TestFX
but....
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JavaFX 8 - TestFX
but....
unit tests - how to test a UI component
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JavaFX 8 - TestFX
but....
unit tests - how to test a UI component
system tests - how to test an UI workflow
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JavaFX 8 - TestFX
manual testing
a tester tests the complete app
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JavaFX 8 - TestFX
manual testing
create a test plan
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JavaFX 8 - TestFX
manual testing
create a test plan
update the test plan for each release
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JavaFX 8 - TestFX
manual testing
create a test plan
update the test plan for each release
test each release
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JavaFX 8 - TestFX
CI / CD
update the test plan for each commit
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JavaFX 8 - TestFX
CI / CD
update the test plan for each commit
test each commit
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JavaFX 8 - TestFX
IDE based Tools like Selenium
QF-Test
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JavaFX 8 - TestFX
QF-Test
commercial product
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JavaFX 8 - TestFX
QF-Test
commercial product
developer licence costs around 1995 €
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JavaFX 8 - TestFX
QF-Test
commercial product
no JUnit approach
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JavaFX 8 - TestFX
QF-Test
commercial product
no JUnit approach
CI integration
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JavaFX 8 - TestFX
QF-Test
commercial product
no JUnit approach
CI integration
nearly the same as froglogic...
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JavaFX 8 - TestFX
JemmyFX
is for JavaFX 2.2
last commit is over 2 yearsago
looks like there is no development activity
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JavaFX 8 - TestFX
JemmyFX
is for JavaFX 2.2
last commit is over 2 yearsago
looks like there is no development activity
Don´t use it
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JavaFX 8 - TestFX
MarvinFX
https://github.com/guigarage/MarvinFX
Provides Supervisors for JavaFX Properties
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JavaFX 8 - TestFX
MarvinFX
we (Hendrik Ebbers and Sven) are merging into TestFX
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JavaFX 8 - TestFX
MarvinFX
we (Hendrik Ebbers and Sven) are merging into TestFX
Don´t use it
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JavaFX 8 - TestFX
MarvinFX
define
@SvenRuppert
PropertySupervisor<String>textSupervisor=
newPropertySupervisor<>(textfield.textProperty());
JAVA
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JavaFX 8 - TestFX
MarvinFX
rules
@SvenRuppert
textPropertySupervisor.assertWillChange();
textPropertySupervisor.assertWillChangeByDefinedCount(3);
textPropertySupervisor.assertWillChangeThisWay("A","B","C");
JAVA
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JavaFX 8 - TestFX
MarvinFX
interaction
//interact with UI by using TestFX
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JavaFX 8 - TestFX
MarvinFX
check
@SvenRuppert
textPropertySupervisor.confirm(); JAVA
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JavaFX 8 - TestFX
finally TestFX
active development
LTS branch for Java7 is available
active branch JavaFX8 only
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JavaFX 8 - TestFX
finally TestFX
verifying the behavior of JavaFX applications
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JavaFX 8 - TestFX
finally TestFX
API for interacting with JavaFX applications.
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JavaFX 8 - TestFX
finally TestFX
fluent and clean API
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JavaFX 8 - TestFX
finally TestFX
Supports Hamcrest Matchers and Lambda expressions.
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JavaFX 8 - TestFX
finally TestFX
Screenshots of failed tests.
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JavaFX 8 - TestFX
finally TestFX
Screenshots of failed tests.
internal used by Oracle for JavaFX
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JavaFX 8 - TestFX
finally TestFX
start with a Login Screen.
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JavaFX 8 - TestFX
finally TestFX
... TextField / Password-Field / Button
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JavaFX 8 - TestFX
finally TestFX
... TextField / Password-Field / Button
@SvenRuppert
click(".text-field").type("steve");
click(".password-field").type("duke4ever");
click(".button:default");
assertNodeExists(".dialog");
JAVA
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JavaFX 8 - TestFX
finally TestFX
each test must extend the GUITest class
@SvenRuppert
publicclassMyTestextendsGuiTest{
@Test
publicvoidtestLogin(){...}
}
JAVA
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JavaFX 8 - TestFX
finally TestFX
each test must extend the GUITest class
.. and provide the the root node
@SvenRuppert
protectedNodegetRootNode(){..}
@Test
publicvoidtestLogin(){...}
}
JAVA
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JavaFX 8 - TestFX
finally TestFX
The GuiTest class provides a lot of functions that can be used to interact with
JavaFX
.. and provide the the root node
@SvenRuppert
protectedNodegetRootNode(){..}
@Test
publicvoidtestLogin(){
click(".text-field");
type("steve");
//...
}
}
JAVA
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JavaFX 8 - TestFX
finally TestFX
ok, how we would do it ?
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JavaFX 8 - TestFX
finally TestFX
ok, how we would do it ?
..extract a component
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JavaFX 8 - TestFX
finally TestFX
@SvenRuppert
public class AddComponent extends HBox {
private Controller controller = new Controller();
final private TextField tf1 = new TextField();
final private TextField tf2 = new TextField();
final private TextField tfResult = new TextField();
{
tf1.setId("tf1");
tf2.setId("tf2");
tfResult.setId("tfResult");
button.setId("btnAdd");
String result = controller.add(v1, v2);
tfResult.setText(result);
});
this.getChildren().addAll(tf1, tf2, button, tfResult);
}
}
JAVA
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JavaFX 8 - TestFX
finally TestFX
@SvenRuppert
public static void main(String[] args) {
launch(args);
}
@Override
rootNode.getChildren().add(new AddComponent());
}
}
JAVA
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JavaFX 8 - TestFX
finally TestFX
Controller is tested !
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JavaFX 8 - TestFX
finally TestFX
the main class is nearly only pure JDK/JavaFX8
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JavaFX 8 - TestFX
finally TestFX
the component AddComponent needs to be tested at the Button Action Event
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JavaFX 8 - TestFX
finally TestFX
if the Button Action Event is tested -> code coverage is increased
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JavaFX 8 - TestFX
finally TestFX
.. extend from GUITest
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JavaFX 8 - TestFX
finally TestFX
.. create RootNode
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JavaFX 8 - TestFX
finally TestFX
.. create RootNode
.. write your tests
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JavaFX 8 - TestFX
finally TestFX
@SvenRuppert
public class AddComponentTest extends GuiTest {
@Override
protected Parent getRootNode() {
AddComponent addComponent = new AddComponent();
addComponent.setId("c");
return addComponent;
}
JAVA
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JavaFX 8 - TestFX
finally TestFX
@SvenRuppert
@Test
public void test001() throws Exception {
Node c = find("#c");
Assert.assertNotNull(c);
TextField tf1 = find("#tf1", c);
clickOn(tf1).write("1");
clickOn((Button)find("#btnAdd")).clickOn();
TextField tfResult = find("#tfResult");
Assertions.verifyThat(tfResult, hasText("3"));
Thread.sleep(5_000);
}
JAVA
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JavaFX 8 - TestFX
finally TestFX
.. and now code and running test -> v004
@SvenRuppert
@Test
public void test001() throws Exception {
Node c = find("#c");
Assert.assertNotNull(c);
clickOn((Button)find("#btnAdd")).clickOn();
TextField tfResult = find("#tfResult");
Assertions.verifyThat(tfResult, hasText("3"));
Thread.sleep(5_000);
}
JAVA
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JavaFX 8 - TestFX
finally TestFX
Now... FXML
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JavaFX 8 - TestFX
finally TestFX
Now... FXML
.. with FXML you could describe the UI
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JavaFX 8 - TestFX
finally TestFX
Now... FXML
.. but how ?
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JavaFX 8 - TestFX
finally TestFX
Now... FXML
.. but how ?
Create Components... beginning from the top.
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JavaFX 8 - TestFX
finally TestFX
Now... FXML
.. but how ?
.. every Component will have
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JavaFX 8 - TestFX
finally TestFX
Now... FXML
.. but how ?
.. .. a class called XYZPane
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JavaFX 8 - TestFX
finally TestFX
Now... FXML
.. but how ?
.. .. a class called XYZPaneController
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JavaFX 8 - TestFX
finally TestFX
Now... FXML
.. but how ?
.. .. a class called XYZPaneController
.. .. a file called XYZPane.fxml
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JavaFX 8 - TestFX
finally TestFX
@SvenRuppert
public class Main extends Application {
@Override
public void start(Stage primaryStage) throws Exception {
MainPane root = new MainPane();
primaryStage.setTitle("Hello World");
primaryStage.setScene(new Scene(root, 300, 275));
}
public static void main(String[] args) {
launch(args);
}
}
JAVA
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JavaFX 8 - TestFX
finally TestFX
@SvenRuppert
public class BasePane<T> extends AnchorPane {
public T controller;
public BasePane() {
final String fxmlFile = this.getClass().getSimpleName()+".fxml";
FXMLLoader loader = createFXMLLoader(fxmlFile);
controller = loader.getController();
AnchorPane.setBottomAnchor(this, 0.0);
AnchorPane.setTopAnchor(this, 0.0);
AnchorPane.setLeftAnchor(this, 0.0);
AnchorPane.setRightAnchor(this, 0.0);
}
private FXMLLoader createFXMLLoader(final String fxmlFile) {
URL resource = getClass().getResource(fxmlFile);
FXMLLoader loader = new FXMLLoader(resource);
loader.setRoot(this);
try { loader.load(); } catch (IOException e) { e.printStackTrace(); }
return loader;
}
}
JAVA
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JavaFX 8 - TestFX
finally TestFX
@SvenRuppert
public class MainPane extends BasePane<MainPaneController> {
public MainPane(){ }
}
JAVA
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JavaFX 8 - TestFX
finally TestFX
@SvenRuppert
public class MainPane extends BasePane<MainPaneController> {
public MainPane(){ }
}
public class MainPaneController {
@FXML Button btn;
@FXML EditPane editPane;
public MainPaneController() { System.out.println("MainPaneController = OK" ); }
private int counter = 0;
public void onDoSomething(ActionEvent actionEvent){
btn.setText("Main pressed " + counter);
counter = counter +1;
//label from Edit changing
editPane.setLabelText();
}
}
JAVA
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JavaFX 8 - TestFX
finally TestFX
@SvenRuppert
<?import javafx.scene.control.Button?>
<?import javafx.scene.control.Label?>
<?import javafx.scene.layout.VBox?>
<?import org.rapidpm.demo.jdkio2015.v005.fx.main.edit.EditPane?>
<fx:root type="org.rapidpm.demo.jdkio2015.v005.fx.main.MainPane"
fx:controller="org.rapidpm.demo.jdkio2015.v005.fx.main.MainPaneController"
xmlns:fx="http://javafx.com/fxml"
fx:id="mainPane" >

<VBox>
<Label fx:id="lb" text="Hello World"/>
<Button fx:id="btn" onAction="#onDoSomething" text="Main Button"/>
<EditPane fx:id="editPane"/>
</VBox>
</fx:root>
JAVA
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JavaFX 8 - TestFX
finally TestFX
@SvenRuppert
@Override
protected Parent getRootNode() {
return new MainPane();
}
@Test
public void testMainButton01() throws Exception {
final Label lbMain = find("#lb");
Assert.assertNotNull(lbMain);
Assertions.verifyThat(lbMain, hasText("Hello World"));
final Button btnMain = find("#btn");
Assert.assertNotNull(btnMain);
Assertions.verifyThat(btnMain, hasText("Main Button"));
final EditPane editPane = find("#editPane");
Assert.assertNotNull(editPane);
}
JAVA
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Why CDI
why CDI ? ;-)
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Why CDI
we want to get rid of hard connections

Why CDI
we want to get rid of hard connections
Have a look at the definition of a List. List will be the return value -> List.
@SvenRuppert
publicList<Data>execute(){...}; JAVA
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Why CDI
the caller of the method dont know if it is an ArrayList or LinkedList... but
@SvenRuppert
importjava.util.List;
importjava.util.ArrayList;
publicList<Data>execute(){
finalList<Data>result=newArrayList<>();
//....
returnresult;
}
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Why CDI
the caller of the method dont know if it is an ArrayList or LinkedList... but
.. inside the method you will have a static ref to ArrayList
@SvenRuppert
//....
returnresult;
}
JAVA
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Why CDI
if you are not using a special method from ArrayList ... -> trimToSize()

Why CDI
Why not get rid of the static ref ??

Why CDI
Maybe at runtime a LinkedList would be better.. we dont want to compile all
again..

Why CDI
Maybe at runtime a LinkedList would be better.. we dont want to compile all
again..
ok, we could use Factories..

Why CDI
we are using plain SE
.. an example of a factory implementation
@SvenRuppert
importjava.util.LinkedList;
publicclassListFactory{
publicListcreateArrayList() {returnnewArrayList();}
publicListcreateLinkedList(){returnnewLinkedList();}
publicListcreateList() {returnnewArrayList();}
}
JAVA
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Why CDI
Do we have something better reached?

Why CDI
the developers in your project are using this factory...

Why CDI
the developers in your project are using this factory... if they will know that there
is a factory ;-)

Why CDI
@SvenRuppert
//....
returnresult;
}
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Why CDI
@SvenRuppert
//....
returnresult;
}
importorg.rapidpm.demo.ListFactory;
finalListlist=newListFactory().createArrayList();
//....
returnresult;
}
JAVA
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Why CDI
ok, no static ref to ArrayList..

Why CDI
but we have a static ref to the factory method

Why CDI
but we have a static ref to the factory method
The implementation of the ListFactory itself will have all ref to all
implementations

Solution Nr 1
based on Java SE
a little bit more dynamic..

Solution Nr 1
based on Java SE
@SvenRuppert
importjava.util.LinkedList;
importorg.rapidpm.demo.cdi.commons.registry.ContextResolver;
publicclassListFactory{
publicListcreateList(finalContextResolvercontextResolver){
if(contextResolver==null){returncreateArrayList();}
else{
if(contextResolver.resolveContext()){returncreateArrayList();}
else{returncreateLinkedList();}
}
}
}
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Solution Nr 1
based on Java SE
the complexity is now -> ContextResolver

Solution Nr 1
based on Java SE
Added dep to the ContextResolver

Solution Nr 1
based on Java SE
Added dep to the ContextResolver
you got: at runtime you could switch the implementation

Solution Nr 1
based on Java SE
if you want to get rid of the deps inside the factory.. create a registry

Solution Nr 1
based on Java SE
at runtime you could register / unregister implemenattaions..

Solution Nr 1
based on Java SE
at runtime you could register / unregister implemenattaions..
CDI will help...

finally CDI ;-)
based on Weld / WELD-SE
instances are given from the container via @Inject

finally CDI ;-)
@SvenRuppert
@InjectListlist; JAVA
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finally CDI ;-)
@SvenRuppert
@Inject@CDILegacyTestListlist; JAVA
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finally CDI ;-)
@SvenRuppert
@Inject@CDILegacyTestListlist;
@Produces@CDILegacyTest
publicListcreateList(...){...}
JAVA
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finally CDI ;-)
@SvenRuppert
publicListcreateList(InjectionPointinjectionPoint,
BeanManagerbeanManager,ContextResolvercontextResolver){
....
}
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finally CDI ;-)
@SvenRuppert
booleanb=contextResolver.resolveContext(...); //treffenderEntscheidungen...
if(b){returnnewLinkedList();}else{returnnewArrayList();}
}
JAVA
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finally CDI ;-)
the time to create the instance is to early..
@SvenRuppert
}
JAVA
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finally CDI ;-)
but it could be done at runtime..

finally CDI ;-)
decide as late as possible

finally CDI ;-)
@SvenRuppert
@Inject@CDILegacyTestInstance<List>listInstance; JAVA
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finally CDI ;-)
@SvenRuppert
@Inject@CDILegacyTestInstance<List>listInstance;
//..später
finalListlist=listInstance.get();
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finally CDI ;-)
@SvenRuppert
@Inject@CDILegacyTestInstance<List>listInstance;
//..später
finalListlist=listInstance.get();
}
JAVA
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finally CDI ;-)
static bound via AnnotationsLiteral:
@SvenRuppert
@Inject@MyQualifierListliste; JAVA
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finally CDI ;-)
Generics are not well supported
@SvenRuppert
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finally CDI ;-)
Generics are not well supported
but still complex to use
@SvenRuppert
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CDI explained by code
Qualifier und AnnotationsLiterale
@SvenRuppert
@Inject@CDILoggerLoggerlogger; JAVA
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@SvenRuppert
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@SvenRuppert
@Producer@CDILoggerLoggercreate(...); JAVA
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@SvenRuppert
@Producer@CDILoggerLoggercreate(..){
AnnotationsLiteralprodAL=contextResolver.resolve(..);
};
JAVA
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@SvenRuppert
@Producer@CDILoggerLoggercreate(BeanManagerbm,ContextResolvercr){
returncreator.getManagedInstance(Logger.class,annotationLiteral);
};
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you will get a dynamic AnnotationLiteral
@SvenRuppert
};
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you will get a dynamic AnnotationLiteral
AnnotationsLiteral and class -> select the Producers
@SvenRuppert
};
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Now... JavaFX with afterburner ...

apache licensed

apache licensed
as lean as possible: 3 classes, no external dependencies

apache licensed
combines: FXML, Convention over Configuration and JSR-330 / @Inject
integrated with maven 3

apache licensed
under active development

apache licensed
injection over a few steps is working

apache licensed
postconstruct is working

apache licensed
using existing CDI Services with Annotations (Scopes and so on) is not working with afterburner

apache licensed
using existing CDI Services with Annotations (Scopes and so on) is not working with afterburner
no mixed mode with CDI and afterburner.fx

Now... JavaFX with afterburner.fx ... show the code ..

Now... JavaFX with CDI bootstrap ... code only..

@SvenRuppert
http://www.rapidpm.org // http://www.codecentric.de
(privater) Tech - Newsletter -> Core Java, Reflection, IoT, uvm
Bei Interesse bitte bei mir eintragen -> plain old Zettel ;-)
g+: www.google.com/+SvenRuppert
github : github.com/svenruppert

<Thank You!>
g+ www.google.com/+SvenRuppert
twitter @SvenRuppert
www www.rapidpm.org
github github.com/svenruppert

JavaFX8 TestFX - CDI

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