问题描述
'I'm trying to write a test method with Junit: Can I use assertNull and assertNotNull statements together? I may have used it incorrectly because I am trying to learn.
我可能也误解了单元测试逻辑。你能帮我吗?'
' My codes:'
public static TtVaeTarifeTipi getMaxDownloadVeUploadaSahipTtVaeTarifeTipi(List<TtVaeTarifeTipi> ttVaeTarifeTipiListe) {
if (ttVaeTarifeTipiListe.isEmpty() || ttVaeTarifeTipiListe == null) {
return null;
}
else{
Map<Integer,List<TtVaeTarifeTipi>> downloadaGoreGruplanmisTtVaeTarifeTipleriMap = ttVaeTarifeTipiListe.stream().collect(groupingBy(t -> t.getTtVaePaket().getDownload()));
Integer maxHizDegeri = downloadaGoreGruplanmisTtVaeTarifeTipleriMap.entrySet().stream().max(Map.Entry.comparingByKey()).get().getKey();
List<TtVaeTarifeTipi> maxDownloadaSahipTtVaeTarifeTipleri = downloadaGoreGruplanmisTtVaeTarifeTipleriMap.get(maxHizDegeri);
return maxDownloadaSahipTtVaeTarifeTipleri.stream().max(Comparator.comparing(t -> t.getTtVaePaket().getUpload())).get();
}
}
'and test codes:
@Test
@Transactional
public void testMaxDownloadVeUploadaSahipTtVaeTarifeTipi() {
List<TtVaeTarifeTipi> ttVaeTarifeTipiListe = getornekTtVaeTarifeTiplieri();
if (ttVaeTarifeTipiListe.isEmpty() || ttVaeTarifeTipiListe == null) {
Assert.assertNull(TtVaeUtils.getMaxDownloadVeUploadaSahipTtVaeTarifeTipi(ttVaeTarifeTipiListe));
} else {
Assert.assertNotNull(TtVaeUtils.getMaxDownloadVeUploadaSahipTtVaeTarifeTipi(ttVaeTarifeTipiListe));
}
}
我可以一起使用assertNull和assertNotNull语句吗?我可能没有正确使用它,因为我正在尝试学习。
解决方法
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