Package org.teiid.query.processor.relational

Source Code of org.teiid.query.processor.relational.TestDependentCriteriaProcessor

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* Lesser General Public License for more details.
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package org.teiid.query.processor.relational;

import static org.junit.Assert.*;

import java.util.Arrays;
import java.util.List;

import org.junit.Test;
import org.teiid.query.sql.lang.CompareCriteria;
import org.teiid.query.sql.lang.Criteria;
import org.teiid.query.sql.lang.SetCriteria;
import org.teiid.query.sql.symbol.Constant;
import org.teiid.query.sql.symbol.ElementSymbol;
import org.teiid.query.sql.symbol.Reference;
import org.teiid.query.util.CommandContext;


public class TestDependentCriteriaProcessor {

  @Test public void testNegatedSetCriteria() throws Exception {
    DependentAccessNode dan = new DependentAccessNode(0);
    SetCriteria sc = new SetCriteria(new ElementSymbol("e1"), Arrays.asList(new Constant(1), new Constant(2))); //$NON-NLS-1$
    DependentCriteriaProcessor dcp = new DependentCriteriaProcessor(1, -1, dan, sc);
    Criteria result = dcp.prepareCriteria();
    assertEquals(new CompareCriteria(new ElementSymbol("e1"), CompareCriteria.EQ, new Constant(1)), result); //$NON-NLS-1$
    assertTrue(dcp.hasNextCommand());
  }
 
  @Test public void testEvaluatedSetCriteria() throws Exception {
    DependentAccessNode dan = new DependentAccessNode(0);
    CommandContext cc = new CommandContext();
    dan.setContext(cc);
    List<Reference> references = Arrays.asList(new Reference(1), new Reference(2));
    for (Reference reference : references) {
      cc.getVariableContext().setGlobalValue(reference.getContextSymbol(), 1);
    }
    SetCriteria sc = new SetCriteria(new ElementSymbol("e1"), references); //$NON-NLS-1$
    DependentCriteriaProcessor dcp = new DependentCriteriaProcessor(1, -1, dan, sc);
    Criteria result = dcp.prepareCriteria();
    assertEquals(new CompareCriteria(new ElementSymbol("e1"), CompareCriteria.EQ, new Constant(1)), result); //$NON-NLS-1$
    assertFalse(dcp.hasNextCommand());
  }
 
}
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