JMock expectation

Question

我正在尝试使用allowing方法来修复我的一个模拟对象上的方法的返回值。我在一个模拟对象jdbc上有以下方法，我想允许它：

List<T> query(String sql, RowMapper<T> rowMapper)

我之所以使用with(any(RowMapper.class))，是因为我并不真正关心使用哪个RowMapper --我只想确保当它使用该SQL调用query时，它会返回一个带有"bob"的List。

import java.util.Arrays;

import org.jmock.Expectations;
import org.jmock.Mockery;
import org.jmock.auto.Mock;
import org.jmock.integration.junit4.JUnitRuleMockery;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.springframework.jdbc.core.RowMapper;
import org.springframework.jdbc.core.simple.SimpleJdbcOperations;

public class GetCustomersPhaseTest
{
    @Rule
    public final JUnitRuleMockery mockery = new JUnitRuleMockery();

    @Mock
    private SimpleJdbcOperations jdbc;

    @Mock
    private EventPublisher events;

    @Mock
    private Context context;

    private GetCustomersPhase phase;

    @Before
    public void setup()
    {
        phase = new GetCustomersPhase(jdbc, events);
    }

    @Test
    public void testGetCustomers()
    {
        mockery.checking(new Expectations() {
            {
                allowing(jdbc).query(with(equal("SELECT Name FROM Customers")), with(any(RowMapper.class)));
                will(returnValue(Arrays.asList("Bob")));
            }
        });

        phase.execute(context);
    }
}

不管这给了我什么

java.lang.IllegalArgumentException: not all parameters were given explicit matchers: either all parameters must be specified by matchers or all must be specified by values, you cannot mix matchers and values
    at org.jmock.internal.InvocationExpectationBuilder.checkParameterMatcherCount(InvocationExpectationBuilder.java:98)
    at org.jmock.internal.InvocationExpectationBuilder.createExpectationFrom(InvocationExpectationBuilder.java:91)
    at org.jmock.internal.InvocationToExpectationTranslator.invoke(InvocationToExpectationTranslator.java:19)
    at org.jmock.internal.FakeObjectMethods.invoke(FakeObjectMethods.java:38)
    at org.jmock.lib.JavaReflectionImposteriser$1.invoke(JavaReflectionImposteriser.java:33)
    at $Proxy10.query(Unknown Source)
    at com.thecat.test.GetCustomersPhaseTest$1.<init>(GetCustomersPhaseTest.java:45)
    at com.thecat.test.GetCustomersPhaseTest.testGetCustomers(GetCustomersPhaseTest.java:43)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:601)
    at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
    at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
    at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
    at org.jmock.integration.junit4.JUnitRuleMockery$1.evaluate(JUnitRuleMockery.java:49)
    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)

我看了看这个question，并试图解决这个问题，但我仍然不能让它工作。

Answer 1

SimpleJdbcOperations#query接受Object...作为最后一个参数。这个错误的发生是因为with方法没有考虑到这一点，我认为这是因为它被编译成将一个空数组传递给这个没有被考虑在内的方法。

如果你使用，

allowing(jdbc).query(with(equal("SELECT Name FROM Customers")), with(any(RowMapper.class)), with(equal(new Object[0])));
will(returnValue(Arrays.asList("Bob")));

Answer 2

快速第一次检查，你能确保你用()，equalTo()和any()方法导入的是正确的吗？有时，其他包中也有类似的方法。