com.greenpepper.expectation.DuckExpectation Maven / Gradle / Ivy
/*
* Copyright (c) 2006 Pyxis Technologies inc.
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA,
* or see the FSF site: http://www.fsf.org.
*/
package com.greenpepper.expectation;
import com.greenpepper.TypeConversion;
import com.greenpepper.util.FactoryMethod;
import java.util.regex.Pattern;
/**
* DuckExpectation class.
*
* @version $Revision: $ $Date: $
* @author oaouattara
*/
public class DuckExpectation implements Expectation
{
private final String expected;
/**
* create.
*
* @param expected a {@link java.lang.String} object.
* @return a {@link com.greenpepper.expectation.DuckExpectation} object.
*/
@FactoryMethod
public static DuckExpectation create( String expected )
{
return new DuckExpectation( expected );
}
/**
* Constructor for DuckExpectation.
*
* @param expected a {@link java.lang.String} object.
*/
public DuckExpectation( String expected )
{
this.expected = removeDoubleQuotes( expected );
}
private String removeDoubleQuotes( String expected )
{
if (Pattern.matches( "(?s)^\\s*\".*?\"\\s*$", expected ))
{
return expected.trim().substring( 1, expected.length() - 1 );
}
return expected;
}
/** {@inheritDoc} */
public StringBuilder describeTo( StringBuilder sb )
{
return sb.append( expected );
}
/** {@inheritDoc} */
public boolean meets( Object result )
{
Object expectedValue = canCoerceTo( result ) ? coerceTo( result ) : expected;
return ShouldBe.equal( expectedValue ).meets( result );
}
private Object coerceTo( Object result )
{
return TypeConversion.parse( expected, result.getClass() );
}
private boolean canCoerceTo( Object result )
{
return result != null && TypeConversion.supports( result.getClass() );
}
/**
* toString.
*
* @return a {@link java.lang.String} object.
*/
public String toString()
{
return expected;
}
}