Examples of org.springframework.webflow.execution.Event

Package org.springframework.webflow.execution

Examples of org.springframework.webflow.execution.Event

org.springframework.webflow.execution.Event
Signals the occurrence of something an active flow execution should respond to. Each event has a string id that provides a key for identifying what happened: e.g "coinInserted", or "pinDropped". Events may have attributes that provide arbitrary payload data, e.g. "coin.amount=25", or "pinDropSpeed=25ms".
As an example, a "submit" event might signal that a Submit button was pressed in a web browser. A "success" event might signal an action executed successfully. A "finish" event might signal a subflow ended normally.
Why is this not an interface? A specific design choice. An event is not a strategy that defines a generic type or role--it is essentially an immutable value object. It is expected that specializations of this base class be "Events" and not part of some other inheritance hierarchy. @author Keith Donald @author Erwin Vervaet @author Colin Sampaleanu

  }


  public void testEvaluateExpressionNullResult() throws Exception {
    EvaluateAction action = new EvaluateAction(new StaticExpression(null), null);
    MockRequestContext context = new MockRequestContext();
    Event result = action.execute(context);
    assertEquals("success", result.getId());
  }

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  public void testEvaluateExpressionResultExposer() throws Exception {
    StaticExpression resultExpression = new StaticExpression("");
    EvaluateAction action = new EvaluateAction(new StaticExpression("bar"), new ActionResultExposer(
        resultExpression, null, null));
    MockRequestContext context = new MockRequestContext();
    Event result = action.execute(context);
    assertEquals("bar", result.getId());
    assertEquals("bar", resultExpression.getValue(null));
  }

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  public void testNonStringEvaluation() throws Exception {
    String expression = "${3 + 4}";
    TransitionCriteria criterion = (TransitionCriteria) converter.convertSourceToTargetClass(expression,
        TransitionCriteria.class);
    MockRequestContext ctx = getRequestContext();
    ctx.setCurrentEvent(new Event(this, "7"));
    assertTrue("Criterion should evaluate to true", criterion.test(ctx));
  }

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  public void testCurrenEventEval() throws Exception {
    String expression = "${currentEvent == 'submit'}";
    TransitionCriteria criterion = (TransitionCriteria) converter.convertSourceToTargetClass(expression,
        TransitionCriteria.class);
    MockRequestContext ctx = getRequestContext();
    ctx.setCurrentEvent(new Event(this, "submit"));
    assertTrue("Criterion should evaluate to true", criterion.test(ctx));
  }

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  private MockRequestContext getRequestContext() {
    Flow flow = new Flow("id");
    MockRequestContext ctx = new MockRequestContext(flow);
    RequestContextHolder.setRequestContext(ctx);
    ctx.getFlowScope().put("foo", "bar");
    ctx.setCurrentEvent(new Event(this, "sample"));
    return ctx;
  }

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  public void testResolveEventAttributes() {
    MockRequestContext context = new MockRequestContext();
    LocalAttributeMap attributes = new LocalAttributeMap();
    attributes.put("foo", "bar");
    context.setCurrentEvent(new Event(this, "event", attributes));
    Expression exp = parser.parseExpression("currentEvent.attributes.foo", new FluentParserContext()
        .evaluate(RequestContext.class));
    assertEquals("bar", exp.getValue(context));
  }

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    assertTrue(context.isPropertyResolved());
  }


  public void testGetType_CurrentEvent() {
    MockRequestContext requestContext = new MockRequestContext();
    requestContext.setCurrentEvent(new Event(this, "foo"));
    RequestContextHolder.setRequestContext(requestContext);
    assertTrue(ClassUtils.isAssignable(Event.class, context.getELResolver().getType(context, null, "currentEvent")));
    assertTrue(context.isPropertyResolved());
  }

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    assertTrue(context.isPropertyResolved());
  }


  public void testGetValue_CurrentEvent() {
    MockRequestContext requestContext = new MockRequestContext();
    requestContext.setCurrentEvent(new Event(this, "foo"));
    RequestContextHolder.setRequestContext(requestContext);
    assertSame(requestContext.getCurrentEvent(), context.getELResolver().getValue(context, null, "currentEvent"));
    assertTrue(context.isPropertyResolved());
  }

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import org.springframework.webflow.execution.Event;


public class MockActionTests extends TestCase {
  public void testMockActionExecute() {
    MockAction action = new MockAction();
    Event e = action.execute(new MockRequestContext());
    assertEquals("success", e.getId());
    assertTrue(e.getAttributes().isEmpty());
  }

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    assertTrue(e.getAttributes().isEmpty());
  }


  public void testMockActionExecuteCustomResult() {
    MockAction action = new MockAction("foo");
    Event e = action.execute(new MockRequestContext());
    assertEquals("foo", e.getId());
    assertTrue(e.getAttributes().isEmpty());
  }

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