@Test public void testSimpleExpression() throws Exception { String source = "a > b"; ConstraintConnectiveDescr result = parser.parse( source ); assertFalse( parser.getErrors().toString(), parser.hasErrors() ); assertEquals( ConnectiveType.AND, result.getConnective() ); assertEquals( 1, result.getDescrs().size() ); RelationalExprDescr expr = (RelationalExprDescr) result.getDescrs().get( 0 ); assertEquals( ">", expr.getOperator() ); AtomicExprDescr left = (AtomicExprDescr) expr.getLeft(); AtomicExprDescr right = (AtomicExprDescr) expr.getRight(); assertEquals( "a", left.getExpression() ); assertEquals( "b", right.getExpression() ); }
@Test public void testAndConnective() throws Exception { String source = "a > b && 10 != 20"; ConstraintConnectiveDescr result = parser.parse( source ); assertFalse( parser.getErrors().toString(), parser.hasErrors() ); assertEquals( ConnectiveType.AND, result.getConnective() ); assertEquals( 2, result.getDescrs().size() ); RelationalExprDescr expr = (RelationalExprDescr) result.getDescrs().get( 0 ); assertEquals( ">", expr.getOperator() ); AtomicExprDescr left = (AtomicExprDescr) expr.getLeft(); AtomicExprDescr right = (AtomicExprDescr) expr.getRight(); assertEquals( "a", left.getExpression() ); assertEquals( "b", right.getExpression() ); expr = (RelationalExprDescr) result.getDescrs().get( 1 ); assertEquals( "!=", expr.getOperator() ); left = (AtomicExprDescr) expr.getLeft(); right = (AtomicExprDescr) expr.getRight(); assertEquals( "10", left.getExpression() ); assertEquals( "20", right.getExpression() ); }
@Test(timeout = 10000L) public void testNestedExpression() throws Exception { // DROOLS-982 String source = "(((((((((((((((((((((((((((((((((((((((((((((((((( a > b ))))))))))))))))))))))))))))))))))))))))))))))))))"; ConstraintConnectiveDescr result = parser.parse( source ); assertFalse( parser.getErrors().toString(), parser.hasErrors() ); assertEquals( ConnectiveType.AND, result.getConnective() ); assertEquals( 1, result.getDescrs().size() ); RelationalExprDescr expr = (RelationalExprDescr) result.getDescrs().get( 0 ); assertEquals( ">", expr.getOperator() ); AtomicExprDescr left = (AtomicExprDescr) expr.getLeft(); AtomicExprDescr right = (AtomicExprDescr) expr.getRight(); assertEquals( "a", left.getExpression() ); assertEquals( "b", right.getExpression() ); } }
AtomicExprDescr right = (AtomicExprDescr) expr.getRight(); assertEquals( "a", left.getExpression() ); assertEquals( "b", right.getExpression() ); right = (AtomicExprDescr) expr.getRight(); assertEquals( "10", left.getExpression() ); assertEquals( "20", right.getExpression() ); right = (AtomicExprDescr) expr.getRight(); assertEquals( "someMethod(10)", left.getExpression() ); assertEquals( "20", right.getExpression() );
right.getExpression() ); left.getExpression() ); right.getExpression() );
@Test public void testBindingConstraint() throws Exception { String source = "$x : property > value"; ConstraintConnectiveDescr result = parser.parse( source ); assertFalse( parser.getErrors().toString(), parser.hasErrors() ); assertEquals( ConnectiveType.AND, result.getConnective() ); assertEquals( 1, result.getDescrs().size() ); RelationalExprDescr rel = (RelationalExprDescr) result.getDescrs().get( 0 ); assertEquals( ">", rel.getOperator() ); BindingDescr bind = (BindingDescr) rel.getLeft(); assertEquals( "$x", bind.getVariable() ); assertEquals( "property", bind.getExpression() ); AtomicExprDescr right = (AtomicExprDescr) rel.getRight(); assertEquals( "value", right.getExpression() ); }
private void visit( final AtomicExprDescr descr ) { if ( descr.getExpression().contains( "@{" ) ) { throw new RuleModelDRLPersistenceImpl.RuleModelUnmarshallingException(); } }
protected void visit(final AtomicExprDescr descr) { String expression = descr.getExpression(); parseExpression(expression); }
AtomicExprDescr rightExpr = (AtomicExprDescr) expr.getRight(); assertEquals( "10", leftExpr.getExpression() ); assertEquals( "20", rightExpr.getExpression() ); leftBind.getExpression() ); assertEquals( "20", rightExpr.getExpression() );