Examples with FEELEventListener org.kie.dmn.api.feel.runtime.events.FEELEventListener used on opensource projects

Example 1 with FEELEventListener

use of org.kie.dmn.api.feel.runtime.events.FEELEventListener in project drools by kiegroup.

the class BaseFEELTest method testExpression.

@Test
public void testExpression() {
    FEELEventListener listener = mock(FEELEventListener.class);
    feel.addListener(listener);
    feel.addListener(evt -> {
        System.out.println(evt);
    });
    assertResult(expression, result);
    if (severity != null) {
        ArgumentCaptor<FEELEvent> captor = ArgumentCaptor.forClass(FEELEvent.class);
        verify(listener, atLeastOnce()).onEvent(captor.capture());
        assertThat(captor.getValue().getSeverity(), is(severity));
    } else {
        verify(listener, never()).onEvent(any(FEELEvent.class));
    }
}

Example 2 with FEELEventListener

use of org.kie.dmn.api.feel.runtime.events.FEELEventListener in project drools by kiegroup.

the class FEELErrorMessagesTest method unknownVariable.

@Test
public void unknownVariable() {
    FEEL feel = FEEL.newInstance();
    FEELEventListener fel = Mockito.mock(FEELEventListener.class);
    feel.addListener(fel);
    CompilerContext ctx = feel.newCompilerContext();
    // ctx.addInputVariableType( "a variable name", BuiltInType.STRING );
    feel.compile("a variable name", ctx);
    ArgumentCaptor<FEELEvent> captor = ArgumentCaptor.forClass(FEELEvent.class);
    verify(fel, times(2)).onEvent(captor.capture());
    Assert.assertThat(captor.getAllValues().size(), is(2));
    Assert.assertThat(captor.getAllValues().get(1), is(instanceOf(UnknownVariableErrorEvent.class)));
    Assert.assertThat(((UnknownVariableErrorEvent) captor.getAllValues().get(1)).getOffendingSymbol(), is("a variable name"));
}

Example 3 with FEELEventListener

use of org.kie.dmn.api.feel.runtime.events.FEELEventListener in project drools by kiegroup.

the class DecisionTableFunction method toDecisionRule.

/**
 * Convert row to DTDecisionRule
 * @param mainCtx the main context is used to identify the hosted FEELEventManager
 * @param embeddedFEEL a possibly cached embedded FEEL to compile the output expression, error will be reported up to the mainCtx
 * @param index
 * @param rule
 * @param inputSize
 * @return
 */
private static DTDecisionRule toDecisionRule(EvaluationContext mainCtx, FEEL embeddedFEEL, int index, List<?> rule, int inputSize) {
    // TODO should be check indeed block of inputSize n inputs, followed by block of outputs.
    DTDecisionRule dr = new DTDecisionRule(index);
    for (int i = 0; i < rule.size(); i++) {
        Object o = rule.get(i);
        if (i < inputSize) {
            dr.getInputEntry().add(toUnaryTest(mainCtx, o));
        } else {
            FEELEventListener ruleListener = event -> mainCtx.notifyEvt(() -> new FEELEventBase(event.getSeverity(), Msg.createMessage(Msg.ERROR_COMPILE_EXPR_DT_FUNCTION_RULE_IDX, index + 1, event.getMessage()), event.getSourceException()));
            embeddedFEEL.addListener(ruleListener);
            CompiledExpression compiledExpression = embeddedFEEL.compile((String) o, embeddedFEEL.newCompilerContext());
            dr.getOutputEntry().add(compiledExpression);
            embeddedFEEL.removeListener(ruleListener);
        }
    }
    return dr;
}

Example 4 with FEELEventListener

use of org.kie.dmn.api.feel.runtime.events.FEELEventListener in project drools by kiegroup.

the class SimpleDecisionTablesTest method testMain.

@Test
public void testMain() {
    List<FEELEvent> events = new ArrayList<>();
    FEELEventListener listener = evt -> events.add(evt);
    feel.addListener(listener);
    String expression = loadExpression("simple_decision_tables.feel");
    Map context = (Map) feel.evaluate(expression);
    System.out.println(printContext(context));
    assertThat(context.get("result1"), is("Adult"));
    assertThat(context.get("result2"), is("Medium"));
    assertThat((Map<?, ?>) context.get("result3"), hasSize(2));
    assertThat((Map<?, ?>) context.get("result3"), hasEntry("Out1", "out1b"));
    assertThat((Map<?, ?>) context.get("result3"), hasEntry("Out2", "out2b"));
    assertThat((Map<?, ?>) context.get("result4"), hasSize(2));
    assertThat((Map<?, ?>) context.get("result4"), hasEntry("Out1", "io1a"));
    assertThat((Map<?, ?>) context.get("result4"), hasEntry("Out2", "io2a"));
    assertThat(context.get("result5"), nullValue());
    assertTrue(events.stream().anyMatch(e -> e instanceof HitPolicyViolationEvent && e.getSeverity().equals(Severity.WARN)));
    feel.removeListener(listener);
}

Example 5 with FEELEventListener

use of org.kie.dmn.api.feel.runtime.events.FEELEventListener in project drools by kiegroup.

the class KieExtendedBaseFEELTest method testExpression.

@Test
public void testExpression() {
    FEELEventListener listener = mock(FEELEventListener.class);
    feel.addListener(listener);
    feel.addListener(evt -> {
        System.out.println(evt);
    });
    assertResult(expression, result);
    if (severity != null) {
        ArgumentCaptor<FEELEvent> captor = ArgumentCaptor.forClass(FEELEvent.class);
        verify(listener, atLeastOnce()).onEvent(captor.capture());
        assertThat(captor.getValue().getSeverity(), is(severity));
    } else {
        verify(listener, never()).onEvent(any(FEELEvent.class));
    }
}