假设我有一个名为 Util 的类,其中包含静态字段:
Suppose I have a class named Util with static fields:
public class Util {
public static field = Param.getValue("param1");
}
Param 类看起来像这样:
and the class Param look like this:
public class Param {
public static field = SomeClass.getValue("someValue");
}
我想在 Util 中模拟和存根 Param.getValue("param1"),但同时我想抑制 Param 类的静态初始化.我怎样才能做到这一点?
I want to mock and stubb Param.getValue("param1") inside Util, but at the same time I want suppress static initialization for Param class. How can I achieve this?
这是我的第一次尝试,但它不起作用
This is my first attempt but it's not working
@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");
}
}
这对我有用.如果没有 @SuppressStaticInitializationFor
:
This is working for me. I get no output, and SomeClass#getValue
if no @SuppressStaticInitializationFor
:
@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);
}
}
与:
// 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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