Examples with AndDescr org.drools.compiler.lang.descr.AndDescr used on opensource projects

Example 66 with AndDescr

use of org.drools.compiler.lang.descr.AndDescr in project drools by kiegroup.

the class RuleParserTest method testBoundVariables.

@Test
public void testBoundVariables() throws Exception {
    final PackageDescr pkg = (PackageDescr) parseResource("compilationUnit", "bindings.drl");
    final RuleDescr ruleDescr = (RuleDescr) pkg.getRules().get(0);
    final AndDescr lhs = ruleDescr.getLhs();
    assertEquals(2, lhs.getDescrs().size());
    final PatternDescr cheese = (PatternDescr) lhs.getDescrs().get(0);
    assertEquals("Cheese", cheese.getObjectType());
    assertEquals(1, cheese.getDescrs().size());
    ExprConstraintDescr fieldBinding = (ExprConstraintDescr) cheese.getDescrs().get(0);
    assertEquals("$type : type == \"stilton\"", fieldBinding.getExpression());
    final PatternDescr person = (PatternDescr) lhs.getDescrs().get(1);
    assertEquals(2, person.getDescrs().size());
    fieldBinding = (ExprConstraintDescr) person.getDescrs().get(0);
    assertEquals("$name : name == \"bob\"", fieldBinding.getExpression());
    ExprConstraintDescr fld = (ExprConstraintDescr) person.getDescrs().get(1);
    assertEquals("likes == $type", fld.getExpression());
}

Example 67 with AndDescr

use of org.drools.compiler.lang.descr.AndDescr in project drools by kiegroup.

the class AndDescrTest method testAddUnboundPatternsEtc.

@Test
public void testAddUnboundPatternsEtc() {
    final AndDescr and = new AndDescr();
    and.addDescr(new NotDescr());
    and.addDescr(new PatternDescr("Foo"));
    and.addDescr(new NotDescr());
    assertEquals(3, and.getDescrs().size());
}

Example 68 with AndDescr

use of org.drools.compiler.lang.descr.AndDescr in project drools by kiegroup.

the class RuleParserTest method testBracketsPrecedence.

/**
 */
@Test
public void testBracketsPrecedence() throws Exception {
    final PackageDescr pkg = (PackageDescr) parseResource("compilationUnit", "brackets_precedence.drl");
    assertEquals(1, pkg.getRules().size());
    final RuleDescr rule = (RuleDescr) pkg.getRules().get(0);
    final AndDescr rootAnd = (AndDescr) rule.getLhs();
    assertEquals(2, rootAnd.getDescrs().size());
    final OrDescr leftOr = (OrDescr) rootAnd.getDescrs().get(0);
    assertEquals(2, leftOr.getDescrs().size());
    final NotDescr not = (NotDescr) leftOr.getDescrs().get(0);
    final PatternDescr foo1 = (PatternDescr) not.getDescrs().get(0);
    assertEquals("Foo", foo1.getObjectType());
    final PatternDescr foo2 = (PatternDescr) leftOr.getDescrs().get(1);
    assertEquals("Foo", foo2.getObjectType());
    final OrDescr rightOr = (OrDescr) rootAnd.getDescrs().get(1);
    assertEquals(2, rightOr.getDescrs().size());
    final PatternDescr shoes = (PatternDescr) rightOr.getDescrs().get(0);
    assertEquals("Shoes", shoes.getObjectType());
    final PatternDescr butt = (PatternDescr) rightOr.getDescrs().get(1);
    assertEquals("Butt", butt.getObjectType());
}

Example 69 with AndDescr

use of org.drools.compiler.lang.descr.AndDescr in project drools by kiegroup.

the class RuleParserTest method testNotNode.

@Test
public void testNotNode() throws Exception {
    final RuleDescr rule = (RuleDescr) parseResource("rule", "rule_not.drl");
    assertFalse(parser.getErrors().toString(), parser.hasErrors());
    assertNotNull(rule);
    assertEquals("simple_rule", rule.getName());
    final AndDescr lhs = rule.getLhs();
    assertEquals(1, lhs.getDescrs().size());
    final NotDescr not = (NotDescr) lhs.getDescrs().get(0);
    assertEquals(1, not.getDescrs().size());
    final PatternDescr pattern = (PatternDescr) not.getDescrs().get(0);
    assertEquals("Cheese", pattern.getObjectType());
    assertEquals(1, pattern.getConstraint().getDescrs().size());
    final AndDescr and = (AndDescr) pattern.getConstraint();
    final ExprConstraintDescr fld = (ExprConstraintDescr) and.getDescrs().get(0);
    assertEquals("type == \"stilton\"", fld.getExpression());
}

Example 70 with AndDescr

use of org.drools.compiler.lang.descr.AndDescr in project drools by kiegroup.

the class RuleParserTest method testStringEscapes.

@Test
public void testStringEscapes() throws Exception {
    String source = "package com.sample  rule test  when  Cheese( type matches \"\\..*\\\\.\" )  then  end";
    PackageDescr pkg = (PackageDescr) parse("compilationUnit", source);
    assertEquals("com.sample", pkg.getName());
    RuleDescr rule = (RuleDescr) pkg.getRules().get(0);
    assertEquals("test", rule.getName());
    assertEquals(1, rule.getLhs().getDescrs().size());
    PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get(0);
    AndDescr constraint = (AndDescr) pattern.getConstraint();
    assertEquals(1, constraint.getDescrs().size());
    assertEquals("type matches \"\\..*\\\\.\"", constraint.getDescrs().get(0).toString());
}