RangeConstraintTests.java

package org.grails.validation;

import grails.validation.AbstractConstraintTests;
import grails.validation.ConstrainedProperty;
import grails.validation.TestClass;
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 {
    @Override
    protected Class<?> getConstraintClass() {
        return RangeConstraint.class;
    }

    public void testValidation() {
        testConstraintMessageCodes(
                getConstraint("testInteger", new IntRange(1, 5)), 7L,
                new String[] {"testClass.testInteger.range.error","testClass.testInteger.range.toobig"},
                new Object[] {"testInteger",TestClass.class, 7L, 1, 5 });

        testConstraintMessageCodes(
                getConstraint("testInteger", new IntRange(1, 5)), 0,
                new String[] {"testClass.testInteger.range.error","testClass.testInteger.range.toosmall"},
                new Object[] {"testInteger",TestClass.class, 0, 1, 5 });

        testConstraintPassed(
                getConstraint("testString", new ObjectRange("abca","abcf")),
                "abcd");

        testConstraintPassed(getConstraint("testInteger", new IntRange(1, 7)), 5);

        // must always pass for null value
        testConstraintPassed(getConstraint("testInteger", new IntRange(1, 7)), null);

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

    }
}