/*
 * JBoss, Home of Professional Open Source.
 * See the COPYRIGHT.txt file distributed with this work for information
 * regarding copyright ownership.  Some portions may be licensed
 * to Red Hat, Inc. under one or more contributor license agreements.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 */

package org.teiid.translator.jdbc.oracle;

import static org.junit.Assert.*;

import org.junit.Test;

@SuppressWarnings("nls")
public class TestFormatFunctionModifier {

	OracleFormatFunctionModifier offm = new OracleFormatFunctionModifier("TO_CHAR(", false);
    
    public void helpTest(String expected, String format) {
    	assertTrue(offm.supportsLiteral(format));
        assertEquals(expected, offm.translateFormat(format));
    }
    
    @Test public void testQuoting() {
    	helpTest("'\"a\"\"123\"'", "'a'123");
    	helpTest("'\"a''\"\"123\"'", "'a'''123");
    }
    
    @Test public void testParseHour() {
    	OracleFormatFunctionModifier offmFormat = new OracleFormatFunctionModifier("TO_TIMESTAMP(", true);
    	String format = "hh:mm:ss";
    	String expected = "'HH24:MI:SS'";
    	assertTrue(offmFormat.supportsLiteral(format));
        assertEquals(expected, offmFormat.translateFormat(format));
    }
    
    @Test public void testDay() {
    	helpTest("'DD DDD'", "dd DD");
    }
    
    @Test public void testYear() {
    	helpTest("'YYYY YY YYYY YYYY'", "y yy yyy yyyy");
    }
    
    @Test public void testMonth() {
    	helpTest("'MM Mon Month'", "MM MMM MMMM");
    }
    
    @Test public void testEra() {
    	helpTest("'AD'", "GG");
    }
    
    @Test public void testAmPm() {
    	helpTest("'AM'", "aa");
    }
    
    @Test public void testISO() {
    	helpTest("'YYYY-MM-DD\"T\"HH24:MI:SS.FF3'", "yyyy-MM-dd'T'HH:mm:ss.SSS");
    }
    
    @Test public void testSupports() {
    	assertTrue(offm.supportsLiteral("MMM"));
    	assertFalse(offm.supportsLiteral("yyyyy"));
    	assertFalse(offm.supportsLiteral("h"));
    	assertFalse(offm.supportsLiteral("H"));
    	assertFalse(offm.supportsLiteral("M"));
    	assertFalse(offm.supportsLiteral("\""));
    	assertFalse(offm.supportsLiteral("'"));
    	assertFalse(offm.supportsLiteral("x"));
    	assertFalse(offm.supportsLiteral("-ax"));
    	assertFalse(offm.supportsLiteral("k"));
    	assertFalse(offm.supportsLiteral("F MMM-dd-yyyy G"));
    	assertFalse(offm.supportsLiteral("MMM-dd-yyyy G u "));
    }
    
}
