NotTest.java

package net.sourceforge.mayfly.evaluation.condition;

import junit.framework.TestCase;

import net.sourceforge.mayfly.datastore.Row;
import net.sourceforge.mayfly.datastore.StringCell;
import net.sourceforge.mayfly.datastore.TupleBuilder;
import net.sourceforge.mayfly.evaluation.condition.Equal;
import net.sourceforge.mayfly.evaluation.condition.Not;
import net.sourceforge.mayfly.evaluation.expression.SingleColumn;
import net.sourceforge.mayfly.evaluation.expression.literal.QuotedString;
import net.sourceforge.mayfly.parser.Parser;
import net.sourceforge.mayfly.util.MayflyAssert;

public class NotTest extends TestCase {
    
    public void testParse() throws Exception {
        Not not = (Not) new Parser("not name = 'jim'").parseCondition().asBoolean();
        Equal equal = (Equal) not.operand;
        MayflyAssert.assertColumn("name", equal.leftSide);
        MayflyAssert.assertString("jim", equal.rightSide);
    }
    
    public void testEvaluate() throws Exception {
        Row row =
            new TupleBuilder()
                .append("x", new StringCell("foo"))
                .asRow()
        ;
        Equal compareWithFoo = new Equal(new SingleColumn("x"), new QuotedString("'foo'"));
        Equal compareWithXxx = new Equal(new SingleColumn("x"), new QuotedString("'xxx'"));
        assertTrue(new Not(compareWithXxx).evaluate(row, "table1"));
        assertFalse(new Not(compareWithFoo).evaluate(row, "table1"));
    }

}