Examples with DrlParser org.drools.drl.parser.DrlParser used on opensource projects

Example 6 with DrlParser

use of org.drools.drl.parser.DrlParser in project drools by kiegroup.

the class DrlParserTest method testDeclaredSuperType.

@Test
public void testDeclaredSuperType() throws Exception {
    String drl = "package foo \n" + "declare Bean1 \n" + "age: int \n" + "name : String \n" + "end \n" + "declare Bean2 extends Bean1\n" + "cheese : String \n" + "end";
    DrlParser parser = new DrlParser(LanguageLevelOption.DRL5);
    PackageDescr pkgDescr = parser.parse(null, drl);
    TypeDeclarationDescr bean1Type = pkgDescr.getTypeDeclarations().get(0);
    assertNull(bean1Type.getSuperTypeName());
    TypeDeclarationDescr bean2Type = pkgDescr.getTypeDeclarations().get(1);
    assertEquals("Bean1", bean2Type.getSuperTypeName());
}

Example 7 with DrlParser

use of org.drools.drl.parser.DrlParser in project drools by kiegroup.

the class RuleParserTest method testExpanderMultipleConstraints.

@Test
public void testExpanderMultipleConstraints() throws Exception {
    final DrlParser parser = new DrlParser(LanguageLevelOption.DRL6);
    final PackageDescr pkg = parser.parse(this.getReader("expander_multiple_constraints.dslr"), this.getReader("multiple_constraints.dsl"));
    assertFalse(parser.getErrors().toString(), parser.hasErrors());
    final RuleDescr rule = (RuleDescr) pkg.getRules().get(0);
    assertEquals(2, rule.getLhs().getDescrs().size());
    PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get(0);
    assertEquals("Person", pattern.getObjectType());
    assertEquals(2, pattern.getConstraint().getDescrs().size());
    assertEquals("age < 42", ((ExprConstraintDescr) pattern.getConstraint().getDescrs().get(0)).getExpression());
    assertEquals("location==atlanta", ((ExprConstraintDescr) pattern.getConstraint().getDescrs().get(1)).getExpression());
    pattern = (PatternDescr) rule.getLhs().getDescrs().get(1);
    assertEquals("Bar", pattern.getObjectType());
    assertNotNull((String) rule.getConsequence());
}

Example 8 with DrlParser

use of org.drools.drl.parser.DrlParser in project drools by kiegroup.

the class RuleParserTest method testExpanderLineSpread.

@Test
public void testExpanderLineSpread() throws Exception {
    final DrlParser parser = new DrlParser(LanguageLevelOption.DRL6);
    final PackageDescr pkg = parser.parse(this.getReader("expander_spread_lines.dslr"), this.getReader("complex.dsl"));
    assertFalse(parser.getErrors().toString(), parser.hasErrors());
    final RuleDescr rule = (RuleDescr) pkg.getRules().get(0);
    assertEquals(1, rule.getLhs().getDescrs().size());
    final OrDescr or = (OrDescr) rule.getLhs().getDescrs().get(0);
    assertEquals(2, or.getDescrs().size());
    assertNotNull((String) rule.getConsequence());
}

Example 9 with DrlParser

use of org.drools.drl.parser.DrlParser in project drools by kiegroup.

the class RuleParserTest method testPackage.

@Test
public void testPackage() throws Exception {
    final String source = "package foo.bar.baz";
    final DrlParser parser = new DrlParser(LanguageLevelOption.DRL6);
    final PackageDescr pkg = parser.parse(new StringReader(source));
    assertFalse(parser.hasErrors());
    assertEquals("foo.bar.baz", pkg.getName());
}

Example 10 with DrlParser

use of org.drools.drl.parser.DrlParser in project drools by kiegroup.

the class DRLIncompleteCodeTest method testIncompleteCode12.

@Test
public void testIncompleteCode12() throws DroolsParserException, RecognitionException {
    String input = "package a.b.c " + "import a.b.c.* " + "rule MyRule" + "  when " + "    m: Message(  ) " + "    " + "  then" + "end ";
    DrlParser parser = new DrlParser(LanguageLevelOption.DRL5);
    PackageDescr descr = parser.parse(true, input);
    assertNotNull(descr);
    assertEquals("a.b.c", descr.getNamespace());
    assertEquals("a.b.c.*", descr.getImports().get(0).getTarget());
}