JUnit assertEquals更改字符串 [英] JUnit assertEquals Changes String

问题描述

我有一个JUnit测试，如下所示：

I have a JUnit test that is as follows:

@Test
public void testToDatabaseString() {
  DateConvertor convertor = new DateConvertor();
  Date date = convertor.convert("20/07/1984:00:00:00:00");
  String convertedDate = convertor.toDatabaseString(date);

  assertEquals("to_date('20/07/1984:00:00:00:00', 'DD/MM/YYYY HH24:MI:SS')",convertedDate);
}

测试失败说明：

org.junit.ComparisonFailure: expected:<to_date('20/07/1984[00:]00:00:00', 'DD/MM/YY...> but was:<to_date('20/07/1984[ ]00:00:00', 'DD/MM/YY...>

特别感兴趣的是预期值为：

Of particular interest is why the expected value is:

to_date（'20 / 07/1984 [00：] 00:00:00'，等......

当我的测试中的字符串字面清楚时：

when my string literal in the test is clearly:

to_date（'20 / 07/1984：00：00：00：00'，等..

有人能解释一下吗？为什么要添加[00：]？感谢帮助。

Can anyone explain this? Why does it add "[00:]"? Appreciate the help.

推荐答案

方括号强调预期字符串与实际字符串之间的差异。

The square brackets are emphasising the difference between the expected string and the actual string.

JUnit将方括号放在：00 周围，以强调这是预期字符串中的内容而不是实际字符串中的内容。由于同样的原因，它们是实际字符串中空格的方括号。

JUnit put the square brackets around the :00 to emphasise that that is what's in the expected string and not in the actual string. There are square brackets around the space in the actual string for the same reason.

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