package org.basex.query;

import static org.basex.query.QueryError.*;

import org.basex.io.serial.*;
import org.junit.*;

/**
 * This class tests the serializers.
 *
 * @author BaseX Team 2005-17, BSD License
 * @author Christian Gruen
 */
public final class SerializerTest extends AdvancedQueryTest {
  /** Test: method=xml. */
  @Test
  public void xml() {
    query(SerializerOptions.METHOD.arg("xml") + "<html/>", "<html/>");
  }

  /** Test: method=xhtml. */
  @Test
  public void xhtml() {
    final String option = SerializerOptions.METHOD.arg("xhtml");
    query(option + "<html/>", "<html></html>");
    final String[] empties = { "area", "base", "br", "col", "embed", "hr", "img", "input",
        "link", "meta", "basefont", "frame", "isindex", "param" };
    for(final String e : empties) {
      query(option + "<html xmlns='http://www.w3.org/1999/xhtml'><" + e + "/></html>",
          "<html xmlns=\"http://www.w3.org/1999/xhtml\">\n<" + e + " />\n</html>");
    }
  }

  /** Test: method=html. */
  @Test
  public void html() {
    final String option = SerializerOptions.METHOD.arg("html");
    query(option + "<html/>", "<html></html>");
    final String[] empties = { "area", "base", "br", "col", "embed", "hr", "img", "input",
        "link", "meta", "basefont", "frame", "isindex", "param" };
    for(final String e : empties) query(option + '<' + e + "/>", '<' + e + '>');

    query(option + "<html><script><</script></html>",
        "<html>\n<script><</script>\n</html>");
    query(option + "<html><style>{ serialize(<a/>) }</style></html>",
        "<html>\n<style><a/></style>\n</html>");
    query(option + "<a b='<'/>", "<a b=\"<\"></a>");
    error(option + "<a></a>", SERILL_X);

    query(option + "<option selected='selected'/>", "<option selected></option>");

    query(option + "<?x y?>", "<?x y>");
    error(option + "<?x > ?>", SERPI);
  }

  /** Test: method=html, version=5.0. */
  @Test
  public void version50() {
    final String option = SerializerOptions.METHOD.arg("html") +
        SerializerOptions.VERSION.arg("5.0");
    query(option + "<html/>", "<!DOCTYPE html>\n<html></html>");
    final String[] empties = { "area", "base", "br", "col", "command", "embed", "hr",
        "img", "input", "keygen", "link", "meta", "param", "source", "track", "wbr" };
    for(final String e : empties) {
      query(option + '<' + e + "/>", "<!DOCTYPE html>\n<" + e + '>');
    }
    query(option + "<a></a>", "<!DOCTYPE html>\n<a></a>");
    query(option + "<html/>", "<!DOCTYPE html>\n<html></html>");
  }

  /** Test: method=text. */
  @Test
  public void text() {
    final String option = SerializerOptions.METHOD.arg("text");
    query(option + "1,2", "1 2");
    query(option + "<a>1</a>", "1");
    query(option + "1,<a>2</a>,3", "123");
  }

  /** Test: item-separator. */
  @Test
  public void itemSeparator() {
    query(SerializerOptions.ITEM_SEPARATOR.arg("-") + "1,2", "1-2");
    query(SerializerOptions.ITEM_SEPARATOR.arg("") + "1,2", "12");
    query(SerializerOptions.ITEM_SEPARATOR.arg("ABC") + "1 to 3", "1ABC2ABC3");

    query(SerializerOptions.ITEM_SEPARATOR.arg("
") + "<a/>,<b/>", "<a/>\n<b/>");
    query(SerializerOptions.ITEM_SEPARATOR.arg("
") +
        SerializerOptions.METHOD.arg("text") + "1,2", "1\n2");
  }

  /** Test: xml:space='preserve'. */
  @Test
  public void preserve() {
    query("<a xml:space='preserve'>T<b/></a>", "<a xml:space=\"preserve\">T<b/></a>");
    query("<a xml:space='default'>T<b/></a>", "<a xml:space=\"default\">T<b/>\n</a>");
    query("<a xml:space='x'>T<b/></a>", "<a xml:space=\"x\">T<b/>\n</a>");

    String option = SerializerOptions.INDENT.arg("yes");
    query(option + "<a xml:space='preserve'>T<b/></a>", "<a xml:space=\"preserve\">T<b/></a>");
    query(option + "<a xml:space='default'>T<b/></a>", "<a xml:space=\"default\">T<b/>\n</a>");
    query(option + "<a xml:space='x'>T<b/></a>", "<a xml:space=\"x\">T<b/>\n</a>");

    option = SerializerOptions.INDENT.arg("no");
    query(option + "<a xml:space='preserve'>T<b/></a>", "<a xml:space=\"preserve\">T<b/></a>");
    query(option + "<a xml:space='default'>T<b/></a>", "<a xml:space=\"default\">T<b/></a>");
    query(option + "<a xml:space='x'>T<b/></a>", "<a xml:space=\"x\">T<b/></a>");
  }
}