/** Creates and initialises an SCXML data model in the context. */
@Before
public void setUp() throws Exception {
fsm = SCXMLTestHelper.getExecutor(SCXMLReader.read(new StringReader(SCRIPT)));
evaluator = fsm.getEvaluator();
context = fsm.getGlobalContext();
context.set(Context.NAMESPACES_KEY, null);
}
// Hello World example using a custom <hello> action
@Test
public void testCustomActionHelloWorld() throws Exception {
// (1) Form a list of custom actions defined in the SCXML
// document (and any included documents via "src" attributes)
CustomAction ca1 =
new CustomAction("http://my.custom-actions.domain/CUSTOM1", "hello", Hello.class);
// Register the same action under a different name, just to test
// multiple custom actions
CustomAction ca2 =
new CustomAction("http://my.custom-actions.domain/CUSTOM2", "bar", Hello.class);
List<CustomAction> customActions = new ArrayList<CustomAction>();
customActions.add(ca1);
customActions.add(ca2);
// (2) Parse the document
SCXML scxml =
SCXMLTestHelper.parse("org/apache/commons/scxml2/custom-hello-world-01.xml", customActions);
// (3) Get a SCXMLExecutor
SCXMLExecutor exec = SCXMLTestHelper.getExecutor(scxml);
exec.go();
// (4) Single, final state
Assert.assertEquals("custom", (exec.getStatus().getStates().iterator().next()).getId());
Assert.assertTrue(exec.getStatus().isFinal());
// The custom action defined by Hello.class should be called
// to execute() exactly twice at this point (one by <my:hello/> and the other by <foo:bar/>).
Assert.assertEquals(2, Hello.callbacks);
}
// Hello World example using the SCXML <log> action
@Test
public void testHelloWorld() throws Exception {
// (1) Get a SCXMLExecutor
SCXMLExecutor exec = SCXMLTestHelper.getExecutor("org/apache/commons/scxml2/hello-world.xml");
exec.go();
// (2) Single, final state
Assert.assertEquals("hello", (exec.getStatus().getStates().iterator().next()).getId());
Assert.assertTrue(exec.getStatus().isFinal());
}
// Hello World example using custom <my:send> action
// (overriding SCXML local name "send")
@Test
public void testCustomActionOverrideLocalName() throws Exception {
// (1) List of custom actions, use same local name as SCXML action
CustomAction ca =
new CustomAction("http://my.custom-actions.domain/CUSTOM", "send", Hello.class);
List<CustomAction> customActions = new ArrayList<CustomAction>();
customActions.add(ca);
// (2) Parse the document
SCXML scxml =
SCXMLTestHelper.parse("org/apache/commons/scxml2/custom-hello-world-03.xml", customActions);
// (3) Get a SCXMLExecutor
SCXMLExecutor exec = SCXMLTestHelper.getExecutor(scxml);
exec.go();
// (4) Single, final state
Assert.assertEquals("custom", (exec.getStatus().getStates().iterator().next()).getId());
// The custom action defined by Hello.class should be called
// to execute() exactly once at this point (by <my:send/>).
Assert.assertEquals(1, Hello.callbacks);
}
// Hello World example using custom <my:hello> action
// as part of an external state source (src attribute)
@Test
public void testCustomActionExternalSrcHelloWorld() throws Exception {
// (1) Form a list of custom actions defined in the SCXML
// document (and any included documents via "src" attributes)
CustomAction ca =
new CustomAction("http://my.custom-actions.domain/CUSTOM", "hello", Hello.class);
List<CustomAction> customActions = new ArrayList<CustomAction>();
customActions.add(ca);
// (2) Parse the document
SCXML scxml =
SCXMLTestHelper.parse("org/apache/commons/scxml2/external-hello-world.xml", customActions);
// (3) Get a SCXMLExecutor
SCXMLExecutor exec = SCXMLTestHelper.getExecutor(scxml);
exec.go();
// (4) Single, final state
Assert.assertEquals("custom", (exec.getStatus().getStates().iterator().next()).getId());
// The custom action defined by Hello.class should be called
// to execute() exactly twice at this point (one by <my:hello/> and the other by <my:hello/> in
// external).
Assert.assertEquals(2, Hello.callbacks);
}
// Hello World example using custom <my:hello> action that generates an
// event which has the payload examined with JEXL expressions
@Test
public void testCustomActionEventPayloadHelloWorldJexl() throws Exception {
// (1) Form a list of custom actions defined in the SCXML
// document (and any included documents via "src" attributes)
CustomAction ca =
new CustomAction("http://my.custom-actions.domain/CUSTOM", "hello", Hello.class);
List<CustomAction> customActions = new ArrayList<CustomAction>();
customActions.add(ca);
// (2) Parse the document
SCXML scxml =
SCXMLTestHelper.parse(
"org/apache/commons/scxml2/custom-hello-world-04-jexl.xml", customActions);
// (3) Get a SCXMLExecutor
SCXMLExecutor exec = SCXMLTestHelper.getExecutor(scxml);
exec.go();
// (4) Single, final state
Assert.assertEquals(
"Invalid intermediate state",
"custom1",
(exec.getStatus().getStates().iterator().next()).getId());
// (5) Verify datamodel variable is correct
Assert.assertEquals(
"Missing helloName1 in root context",
"custom04a",
exec.getGlobalContext().get("helloName1"));
// The custom action defined by Hello.class should be called
// to execute() exactly once at this point (by onentry in init state).
Assert.assertEquals(1, Hello.callbacks);
// (6) Check use of payload in non-initial state
SCXMLTestHelper.fireEvent(exec, "custom.next");
// (7) Verify correct end state
Assert.assertEquals(
"Missing helloName1 in root context",
"custom04b",
exec.getGlobalContext().get("helloName1"));
Assert.assertEquals(
"Invalid final state", "end", (exec.getStatus().getStates().iterator().next()).getId());
Assert.assertTrue(exec.getStatus().isFinal());
// The custom action defined by Hello.class should be called
// to execute() exactly two times at this point (by onentry in custom2 state).
Assert.assertEquals(2, Hello.callbacks);
}