package ca.uhn.hl7v2.conf.parser;

import junit.framework.*;
import java.io.*;
import ca.uhn.hl7v2.conf.spec.RuntimeProfile;
import ca.uhn.hl7v2.conf.spec.message.*;

/**
 * JUnit tests for conformance profile parser 
 * @author bryan
 */
public class ProfileParserTest extends TestCase {
    
    String profileString;
    
    public ProfileParserTest(java.lang.String testName) {
        super(testName);
    }
    
    public static void main(java.lang.String[] args) {
        junit.textui.TestRunner.run(suite());
    }
    
    public static Test suite() {
        TestSuite suite = new TestSuite(ProfileParserTest.class);
        return suite;
    }
    
    public void setUp() throws Exception {
        ClassLoader cl = ProfileParser.class.getClassLoader();
        InputStream instream = cl.getResourceAsStream("ca/uhn/hl7v2/conf/parser/example_ack.xml");
        if (instream == null) throw new Exception("can't find the xml file");
        BufferedReader in = new BufferedReader(new InputStreamReader(instream));
        int tmp = 0;
        StringBuffer buf = new StringBuffer();
        while ((tmp = in.read()) != -1) {
            buf.append((char) tmp);
        }        
        profileString = buf.toString();
        //System.out.println(profileString);
    }
    
    public void testParse() throws Exception {
        ProfileParser pp = new ProfileParser(true);
        RuntimeProfile rp = pp.parse(profileString);
        assertEquals("2.4", rp.getHL7Version());
        StaticDef p = rp.getMessage();
        
        assertEquals("ACK", p.getMsgType());
        assertEquals("ACK", p.getMsgStructID());
        assertTrue(p.getEventDesc().indexOf("general") > 1);
        
        Seg sp = (Seg) p.getChild(1);
        assertEquals("MSH", sp.getName());
        assertEquals("Message Header", sp.getLongName());
        assertEquals("R", sp.getUsage());
        assertEquals(1, sp.getMin());
        assertEquals(1, sp.getMax());
        Field fieldSep = sp.getField(1);
        assertEquals("Field Separator", fieldSep.getName());
        assertEquals("R", fieldSep.getUsage());
        assertEquals(1, fieldSep.getMin());
        assertEquals(1, fieldSep.getMax());
        assertEquals("ST", fieldSep.getDatatype());
        assertEquals(1, fieldSep.getLength());
        assertEquals(1, fieldSep.getItemNo());
        assertEquals("2.16.9.1", fieldSep.getReference());
        Field VID = sp.getField(12);
        Component vid = VID.getComponent(1);
        assertEquals("version ID", vid.getName());
        assertEquals("O", vid.getUsage());
        assertEquals("ID", vid.getDatatype());
        assertEquals(3, vid.getLength());
        assertEquals("0104", vid.getTable());
        assertEquals(3, VID.getComponents());
        assertEquals(6, VID.getComponent(2).getSubComponents());
        SubComponent name = VID.getComponent(2).getSubComponent(3);
        assertEquals("name of coding system", name.getName());        
        assertEquals("O", name.getUsage());
        assertEquals("IS", name.getDatatype());
        assertEquals(3, name.getLength());
        assertEquals("0396-X", name.getTable());

        sp = (Seg) p.getChild(2);
        assertEquals("MSA", sp.getName());

        sp = (Seg) p.getChild(3);
        assertEquals("ERR", sp.getName());
        
    }
        
    
}