[英]Using Mockito, how do I check for a key-value pair of a map within when clause
Referred to: SimilarQuestion1 , SimilarQuestion2 , SimilarQuestion3 引用: 相似问题1 , 相似问题2 , 相似问题3
From the reference, I was able to derive a partial solution as follows, though it is syntactically incorrect. 从参考文献中,我可以得出如下的部分解决方案,尽管它在语法上是不正确的。 How do I modify this to correctly search for certain keys with null values.
如何修改它以正确搜索具有空值的某些键。
when(storedProc.execute(anyMapOf(String.class, Object.class).allOf(hasEntry("firstIdentifier", null), hasEntry("secondIdentifier", null))))
.thenThrow(new Exception(EXCEPTION_NO_IDENTIFIER));
Any help will be appreciated. 任何帮助将不胜感激。
In your case you can use eq
with provided filled map: 您可以将
eq
与提供的填充图一起使用:
when(storedProc.execute(Mockito.eq(givenIncorrectMap)))
.thenThrow(new Exception(EXCEPTION_NO_IDENTIFIER));
Full example: 完整示例:
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.mockito.Mockito;
import static org.mockito.Mockito.when;
public class QuestionTest {
@Rule
public ExpectedException exception = ExpectedException.none();
interface A {
String execute(Map<String, Object> map);
}
@Test
public void test() {
// Given a map with missed identifiers.
final Map<String, Object> givenIncorrectMap = new HashMap<>();
givenIncorrectMap.put("firstIdentifier", null);
givenIncorrectMap.put("secondIdentifier", null);
// Given a mocked service
final A mockedA = Mockito.mock(A.class);
// which throws an exception exactly for the given map.
when(mockedA.execute(Mockito.eq(givenIncorrectMap)))
.thenThrow(new IllegalArgumentException("1"));
// Now 2 test cases to compare behaviour:
// When execute with correct map no exception is expected
mockedA.execute(Collections.singletonMap("firstIdentifier", "any correct value"));
// When execute with incorrect map the IllegalArgumentException is expected
exception.expect(IllegalArgumentException.class);
exception.expectMessage("1");
mockedA.execute(givenIncorrectMap);
}
}
The problem is that anyMap
returns a Map and not a Matcher. 问题是
anyMap
返回一个Map而不是Matcher。 So replace your anyMap(...)...
by: 因此,将您的
anyMap(...)...
替换为:
Mockito.argThat(CoreMatchers.allOf(
hasEntry("firstIdentifier", null),
hasEntry("secondIdentifier", null)))
Maybe you have to add some type variable hints, such that it compiles. 也许您必须添加一些类型变量提示,以便其进行编译。
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