@Test
public void testCiteKeyAndID() {
BibEntry be = new BibEntry();
Assert.assertFalse(be.hasCiteKey());
be.setField("author", "Albert Einstein");
be.setField(BibEntry.KEY_FIELD, "Einstein1931");
Assert.assertTrue(be.hasCiteKey());
Assert.assertEquals("Einstein1931", be.getCiteKey());
Assert.assertEquals("Albert Einstein", be.getField("author"));
be.clearField("author");
Assert.assertNull(be.getField("author"));
String id = IdGenerator.next();
be.setId(id);
Assert.assertEquals(id, be.getId());
}
@Test
public void isNullOrEmptyCiteKey() {
BibEntry e = new BibEntry("id", BibtexEntryTypes.ARTICLE);
Assert.assertFalse(e.hasCiteKey());
e.setField(BibEntry.KEY_FIELD, "");
Assert.assertFalse(e.hasCiteKey());
try {
e.setField(BibEntry.KEY_FIELD, null);
Assert.fail();
} catch (NullPointerException asExpected) {
}
e.setField(BibEntry.KEY_FIELD, "key");
Assert.assertTrue(e.hasCiteKey());
e.clearField(BibEntry.KEY_FIELD);
Assert.assertFalse(e.hasCiteKey());
}
