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

Example 86 with PackageDescr

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

the class RuleParserTest method testEmptyPattern.

@Test
public void testEmptyPattern() throws Exception {
    PackageDescr pkg = (PackageDescr) parseResource("compilationUnit", "test_EmptyPattern.drl");
    assertFalse(parser.getErrors().toString(), parser.hasErrors());
    assertEquals(1, pkg.getRules().size());
    final RuleDescr ruleDescr = (RuleDescr) pkg.getRules().get(0);
    assertEquals("simple rule", ruleDescr.getName());
    assertNotNull(ruleDescr.getLhs());
    assertEquals(1, ruleDescr.getLhs().getDescrs().size());
    final PatternDescr patternDescr = (PatternDescr) ruleDescr.getLhs().getDescrs().get(0);
    assertEquals(0, // this
    patternDescr.getConstraint().getDescrs().size());
    assertEquals("Cheese", patternDescr.getObjectType());
}

Example 87 with PackageDescr

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

the class RuleParserTest method testSimpleConstraint.

@Test
public void testSimpleConstraint() throws Exception {
    String source = "package com.sample  rule test  when  Cheese( type == 'stilton', price > 10 )  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(2, constraint.getDescrs().size());
    assertEquals("type == \"stilton\"", constraint.getDescrs().get(0).toString());
    assertEquals("price > 10", constraint.getDescrs().get(1).toString());
}

Example 88 with PackageDescr

use of org.drools.drl.ast.descr.PackageDescr 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 89 with PackageDescr

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

the class RuleParserTest method testFunctionWithArrays.

// public void FIXME_testLatinChars() throws Exception {
// final DrlParser parser = new DrlParser();
// final Reader drl = new InputStreamReader( this.getClass().getResourceAsStream( "latin-sample.dslr" ) );
// final Reader dsl = new InputStreamReader( this.getClass().getResourceAsStream( "latin.dsl" ) );
// 
// final PackageDescr pkg = parser.parse( drl,
// dsl );
// 
// // MN: will get some errors due to the char encoding on my FC5 install
// // others who use the right encoding may not see this, feel free to
// // uncomment
// // the following assertion.
// assertFalse( parser.hasErrors() );
// 
// assertEquals( "br.com.auster.drools.sample",
// pkg.getName() );
// assertEquals( 1,
// pkg.getRules().size() );
// 
// }
// 
@Test
public void testFunctionWithArrays() throws Exception {
    PackageDescr pkg = (PackageDescr) parseResource("compilationUnit", "function_arrays.drl");
    assertEquals("foo", pkg.getName());
    assertEquals(1, pkg.getRules().size());
    final RuleDescr rule = (RuleDescr) pkg.getRules().get(0);
    assertEqualsIgnoreWhitespace("yourFunction(new String[3] {\"a\",\"b\",\"c\"});", (String) rule.getConsequence());
    final FunctionDescr func = (FunctionDescr) pkg.getFunctions().get(0);
    assertEquals("String[]", func.getReturnType());
    assertEquals("args[]", func.getParameterNames().get(0));
    assertEquals("String", func.getParameterTypes().get(0));
}

Example 90 with PackageDescr

use of org.drools.drl.ast.descr.PackageDescr 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());
}