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[英]Mocking constructor and static method from same class with Mockito and Powermock
[英]Powermock and Mockito. Avoid static initialization for a class while mocking and stubing the same class
假設我有一個名為Util的類,帶有靜態字段:
public class Util {
public static field = Param.getValue("param1");
}
並且Param類如下所示:
public class Param {
public static field = SomeClass.getValue("someValue");
}
我想在Util中模擬和添加Param.getValue(“ param1”),但同時我想取消對Param類的靜態初始化。 我該如何實現?
這是我的第一次嘗試,但是沒有用
@RunWith(PowerMockRunner.class)
@PrepareForTest({Param.class})
@SuppressStaticInitializationFor("py.com.company.Param")
public class Test {
@Test
public void testSomeMethod() {
PowerMockito.mockStatic(Param.class);
when(Param.getValue("value1")).thenReturn("someValue1");
}
}
這對我有用。 我沒有輸出,如果沒有@SuppressStaticInitializationFor
得到SomeClass#getValue
:
@RunWith(PowerMockRunner.class)
@SuppressStaticInitializationFor({"so35047166.Param"})
@PrepareForTest({Param.class})
public class UtilTest {
@Before
public void setUp() throws Exception {
PowerMockito.mockStatic(Param.class);
}
@Test
public void testFoo() throws Exception {
final Util util = new Util();
assertEquals("Util#foo", util.foo());
assertEquals(null, Util.field);
}
}
有:
// all in package so35047166;
public class Util {
public static String field = Param.getValue("param1");
public String foo() {
return "Util#foo";
}
}
public class Param {
public static String field = SomeClass.getValue("someValue");
public static String getValue(final String in) {
System.out.println("Param#getValue");
return "Param#getValue";
}
}
public class SomeClass {
public static String getValue(final String in) {
System.out.println("SomeClass#getValue");
return "SomeClass#getValue";
}
}
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