MockK 中的 verifySequence 和 verifyOrder 有什么区别?

What's the difference between `verifySequence` and `verifyOrder` in MockK?

在 MockK 库的指南中,示例并没有帮我解决这个问题。以下是文档中的示例:

class MockedClass {
    fun sum(a: Int, b: Int) = a + b
}

val obj = mockk<MockedClass>()
val slot = slot<Int>()

every {
    obj.sum(any(), capture(slot))
} answers {
    1 + firstArg<Int>() + slot.captured
}

obj.sum(1, 2) // returns 4
obj.sum(1, 3) // returns 5
obj.sum(2, 2) // returns 5

verifyAll {
    obj.sum(1, 3)
    obj.sum(1, 2)
    obj.sum(2, 2)
}

verifySequence {
    obj.sum(1, 2)
    obj.sum(1, 3)
    obj.sum(2, 2)
}

verifyOrder {
    obj.sum(1, 2)
    obj.sum(2, 2)
}

val obj2 = mockk<MockedClass>()
val obj3 = mockk<MockedClass>()
verify {
    listOf(obj2, obj3) wasNot Called
}

方法 verifySequence 检查是否只发生了指定的调用,并且调用顺序必须相同。另一方面,如果您像示例 (obj.sum(1, 3)) 中那样省略一些调用,则方法 verifyOrder 也适用。以下将失败,因为您不能遗漏 verifySequence:

的呼叫
verifySequence {
    obj.sum(1, 2)
    obj.sum(2, 2)
}