我的测试类中有一个仅调用其他两个方法的方法。我正在尝试编写一个测试,检查这两个方法是否实际被调用,但是没有注册任何调用。我正在测试的Java代码:
public void populateEdgeInfo(Map<Actor, SchedulableNode> knownNodes) {
populateDestinationInfo(knownNodes);
populateSourceInfo(knownNodes);
}
我的测试代码:
def "Populating edge info means both source and destination information will be populated" () {
given:
actor.getDstChannels() >> []
actor.getSrcChannels() >> []
SchedulableNode schedulable = Spy(SchedulableNode, constructorArgs: [actor])
when:
schedulable.populateEdgeInfo([:])
then:
1 * schedulable.populateDestinationInfo(_)
1 * schedulable.populateSourceInfo(_)
}
唯一注册的是对populateEdgeInfo的调用。我做错了什么吗?也尝试使用Mock而不是Spy无效。
我试图根据您的稀疏信息创建一个MCVE,但在您的测试中未发现任何问题:
package de.scrum_master.stackoverflow.q60926015;
import java.util.List;
public class Actor {
public List getDstChannels() {
return null;
}
public List getSrcChannels() {
return null;
}
}
package de.scrum_master.stackoverflow.q60926015;
import java.util.Map;
public class SchedulableNode {
private Actor actor;
public SchedulableNode(Actor actor) {
this.actor = actor;
}
public void populateEdgeInfo(Map<Actor, SchedulableNode> knownNodes) {
populateDestinationInfo(knownNodes);
populateSourceInfo(knownNodes);
}
public void populateDestinationInfo(Map<Actor, SchedulableNode> knownNodes) {}
public void populateSourceInfo(Map<Actor, SchedulableNode> knownNodes) {}
}
package de.scrum_master.stackoverflow.q60926015
import spock.lang.Specification
class SchedulableNodeTest extends Specification {
def actor = Mock(Actor)
def "Populating edge info means both source and destination information will be populated"() {
given:
actor.getDstChannels() >> []
actor.getSrcChannels() >> []
SchedulableNode schedulable = Spy(SchedulableNode, constructorArgs: [actor])
when:
schedulable.populateEdgeInfo([:])
then:
1 * schedulable.populateDestinationInfo(_)
1 * schedulable.populateSourceInfo(_)
}
}
这意味着您的代码必须不同于我的代码。 我的猜测是,这两个populate*
方法都在您的类中是private
,这使得无法模拟它们,因为模拟使用动态代理,而后者在技术上是子类。但是,子类看不到私有超类方法,因此动态代理无法拦截(调用)它们。
可能的解决方案:
停止过度指定测试并测试内部交互。它使测试变得脆弱,如果还要重构被测类,则必须经常对其进行重构。
如果public不正确,则使populate*
方法受到保护或以包为范围。然后,您可以对它们进行存根并检查它们之间的交互。