001package edu.pdx.cs.joy.apptbookweb;
002
003import edu.pdx.cs.joy.ParserException;
004import org.junit.jupiter.api.Test;
005
006import java.io.StringReader;
007import java.io.StringWriter;
008import java.util.Collections;
009import java.util.Map;
010
011import static org.hamcrest.MatcherAssert.assertThat;
012import static org.hamcrest.Matchers.equalTo;
013
014public class TextDumperParserTest {
015
016  @Test
017  void emptyMapCanBeDumpedAndParsed() throws ParserException {
018    Map<String, String> map = Collections.emptyMap();
019    Map<String, String> read = dumpAndParse(map);
020    assertThat(read, equalTo(map));
021  }
022
023  private Map<String, String> dumpAndParse(Map<String, String> map) throws ParserException {
024    StringWriter sw = new StringWriter();
025    TextDumper dumper = new TextDumper(sw);
026    dumper.dump(map);
027
028    String text = sw.toString();
029
030    TextParser parser = new TextParser(new StringReader(text));
031    return parser.parse();
032  }
033
034  @Test
035  void dumpedTextCanBeParsed() throws ParserException {
036    Map<String, String> map = Map.of("one", "1", "two", "2");
037    Map<String, String> read = dumpAndParse(map);
038    assertThat(read, equalTo(map));
039  }
040}