Examples with RuleDescr org.drools.drl.ast.descr.RuleDescr used on opensource projects

Example 11 with RuleDescr

use of org.drools.drl.ast.descr.RuleDescr in project drools by kiegroup.

the class RuleBuilderTest method testInvalidDialect.

@Test
public void testInvalidDialect() throws Exception {
    final PackageDescr pkgDescr = new PackageDescr("org.drools");
    final RuleDescr ruleDescr = new RuleDescr("Test Rule");
    ruleDescr.addAttribute(new AttributeDescr("dialect", "mvl"));
    ruleDescr.setConsequence("");
    pkgDescr.addRule(ruleDescr);
    final KnowledgeBuilderImpl kBuilder = new KnowledgeBuilderImpl();
    kBuilder.addPackage(pkgDescr);
    assertFalse(kBuilder.getErrors().toString(), kBuilder.getErrors().isEmpty());
}

Example 12 with RuleDescr

use of org.drools.drl.ast.descr.RuleDescr in project drools by kiegroup.

the class RuleParserTest method testSimpleMethodCallWithFrom.

@Test
public void testSimpleMethodCallWithFrom() throws Exception {
    final RuleDescr rule = (RuleDescr) parseResource("rule", "test_SimpleMethodCallWithFrom.drl");
    assertFalse(parser.getErrors().toString(), parser.hasErrors());
    final PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get(0);
    final FromDescr from = (FromDescr) pattern.getSource();
    final MVELExprDescr method = (MVELExprDescr) from.getDataSource();
    assertEquals("something.doIt( foo,bar,42,\"hello\",[ a : \"b\", \"something\" : 42, \"a\" : foo, x : [x:y]],\"end\", [a, \"b\", 42] )", method.getExpression());
}

Example 13 with RuleDescr

use of org.drools.drl.ast.descr.RuleDescr in project drools by kiegroup.

the class PackageDescrTest method testAttributeOverriding.

@Test
public void testAttributeOverriding() {
    PackageDescr desc = new PackageDescr("foo");
    AttributeDescr at1 = new AttributeDescr("foo", "bar");
    AttributeDescr at2 = new AttributeDescr("foo2", "default");
    desc.addAttribute(at1);
    desc.addAttribute(at2);
    RuleDescr rule = new RuleDescr("abc");
    rule.addAttribute(new AttributeDescr("foo", "overridden"));
    desc.addRule(rule);
    List pkgAts = desc.getAttributes();
    assertEquals("bar", ((AttributeDescr) pkgAts.get(0)).getValue());
    assertEquals("default", ((AttributeDescr) pkgAts.get(1)).getValue());
    desc.afterRuleAdded(rule);
    Map<String, AttributeDescr> ruleAts = rule.getAttributes();
    assertEquals("overridden", ((AttributeDescr) ruleAts.get("foo")).getValue());
    assertEquals("default", ((AttributeDescr) ruleAts.get("foo2")).getValue());
}

Example 14 with RuleDescr

use of org.drools.drl.ast.descr.RuleDescr in project drools by kiegroup.

the class RuleParserTest method testAndOrRules.

/**
 * Test that explicit "&&", "||" works as expected
 */
@Test
public void testAndOrRules() throws Exception {
    final PackageDescr pkg = (PackageDescr) parseResource("compilationUnit", "and_or_rule.drl");
    assertNotNull(pkg);
    assertEquals(1, pkg.getRules().size());
    final RuleDescr rule = (RuleDescr) pkg.getRules().get(0);
    assertEquals("simple_rule", rule.getName());
    // we will have 3 children under the main And node
    final AndDescr and = rule.getLhs();
    assertEquals(3, and.getDescrs().size());
    PatternDescr left = (PatternDescr) and.getDescrs().get(0);
    PatternDescr right = (PatternDescr) and.getDescrs().get(1);
    assertEquals("Person", left.getObjectType());
    assertEquals("Cheese", right.getObjectType());
    assertEquals(1, left.getConstraint().getDescrs().size());
    ExprConstraintDescr fld = (ExprConstraintDescr) left.getConstraint().getDescrs().get(0);
    assertEquals("name == \"mark\"", fld.getExpression());
    assertEquals(1, right.getConstraint().getDescrs().size());
    fld = (ExprConstraintDescr) right.getConstraint().getDescrs().get(0);
    assertEquals("type == \"stilton\"", fld.getExpression());
    // now the "||" part
    final OrDescr or = (OrDescr) and.getDescrs().get(2);
    assertEquals(2, or.getDescrs().size());
    left = (PatternDescr) or.getDescrs().get(0);
    right = (PatternDescr) or.getDescrs().get(1);
    assertEquals("Person", left.getObjectType());
    assertEquals("Cheese", right.getObjectType());
    assertEquals(1, left.getConstraint().getDescrs().size());
    fld = (ExprConstraintDescr) left.getConstraint().getDescrs().get(0);
    assertEquals("name == \"mark\"", fld.getExpression());
    assertEquals(1, right.getConstraint().getDescrs().size());
    fld = (ExprConstraintDescr) right.getConstraint().getDescrs().get(0);
    assertEquals("type == \"stilton\"", fld.getExpression());
    assertEqualsIgnoreWhitespace("System.out.println( \"Mark and Michael\" );", (String) rule.getConsequence());
}

Example 15 with RuleDescr

use of org.drools.drl.ast.descr.RuleDescr in project drools by kiegroup.

the class RuleParserTest method testRuleOldSyntax1.

@Test
public void testRuleOldSyntax1() throws Exception {
    final String source = "rule \"Test\" when ( not $r :LiteralRestriction( operator == Operator.EQUAL ) ) then end";
    PackageDescr pkg = (PackageDescr) parse("compilationUnit", source);
    assertFalse(parser.getErrors().toString(), parser.hasErrors());
    RuleDescr rule = (RuleDescr) pkg.getRules().get(0);
    assertEquals("Test", rule.getName());
    assertEquals(1, rule.getLhs().getDescrs().size());
    assertEquals(1, ((NotDescr) rule.getLhs().getDescrs().get(0)).getDescrs().size());
    NotDescr notDescr = (NotDescr) rule.getLhs().getDescrs().get(0);
    PatternDescr patternDescr = (PatternDescr) notDescr.getDescrs().get(0);
    assertEquals("$r", patternDescr.getIdentifier());
    assertEquals(1, patternDescr.getDescrs().size());
    ExprConstraintDescr fieldConstraintDescr = (ExprConstraintDescr) patternDescr.getDescrs().get(0);
    assertEquals("operator == Operator.EQUAL", fieldConstraintDescr.getExpression());
}