/grails/src/test/org/codehaus/groovy/grails/validation/RangeConstraintTests.java

package org.codehaus.groovy.grails.validation;



import groovy.lang.IntRange;

import groovy.lang.ObjectRange;



/**

 * Test cases for 'range' constraint.

 *

 * @author Sergey Nebolsin (<a href="mailto:nebolsin@gmail.com"/>)

 */

public class RangeConstraintTests extends AbstractConstraintTests {

    protected Class getConstraintClass() {

        return RangeConstraint.class;

    }



    public void testValidation() {

        testConstraintMessageCodes(

                getConstraint( "testInteger", new IntRange( 1, 5 )),

                new Long(7),

                new String[] {"testClass.testInteger.range.error","testClass.testInteger.range.toobig"},

                new Object[] {"testInteger",TestClass.class,new Long(7),new Integer(1),new Integer(5)}

        );



        testConstraintMessageCodes(

                getConstraint( "testInteger", new IntRange( 1, 5 )),

                new Integer(0),

                new String[] {"testClass.testInteger.range.error","testClass.testInteger.range.toosmall"},

                new Object[] {"testInteger",TestClass.class,new Integer(0),new Integer(1),new Integer(5)}

        );



        testConstraintPassed(

                getConstraint( "testString", new ObjectRange("abca","abcf")),

                "abcd"

        );



        testConstraintPassed(

                getConstraint( "testInteger", new IntRange( 1, 7 )),

                new Integer( 5 )

        );



        // must always pass for null value

        testConstraintPassed(

                getConstraint( "testInteger", new IntRange( 1, 7 )),

                null

        );



        testConstraintDefaultMessage(

                getConstraint( "testInteger", new IntRange( 1, 5 ) ),

                new Integer( 7 ),

                "Property [{0}] of class [{1}] with value [{2}] does not fall within the valid range from [{3}] to [{4}]"

        );



    }



    public void testCreation() {

        RangeConstraint constraint = (RangeConstraint) getConstraint( "testInteger", new IntRange(1,5) );

        assertEquals( ConstrainedProperty.RANGE_CONSTRAINT, constraint.getName() );

        assertTrue( constraint.supports( Integer.class ));

        assertTrue(  constraint.supports( Long.class ));

        assertTrue( constraint.supports( Double.class ));

        assertFalse( constraint.supports( Object.class ));

        assertFalse( constraint.supports( null ));

        assertEquals( new IntRange(1,5), constraint.getRange() );



        try {

            getConstraint( "testInteger", "wrong");

            fail("RangeConstraint must throw an exception for non-range parameters.");

        } catch( IllegalArgumentException iae ) {

            // Great

        }



    }

}