EasyB测试多个输入/输出值

Question

如何测试具有多个输入/预期输出的功能？

这里有一个非常简单的例子：

scenario "Can add two numbers", {
    given "Two numbers", {
        num1 = 2
        num2 = 3
    }
    when "I trigger add.", {
        result = add(num1,num2)
    }
    then "The result should be correct.", {
        result.shouldBe 5
    }
}

我想用多个值来测试这个，比如add(4,8).shouldBe 12, ....

做这件事的最佳做法是什么？在其他BDD框架中，我看到了类似于表的结构来实现这一点，但在EasyB中找不到类似的结构。我应该创建多个场景来覆盖这一点（在场景名称后面附加（1）、（2）），还是应该将输入和预期输出放入一个数组中，并检查是否相等？如果我使用后一种方法，我如何获得有意义的全部失败？

Answer 1

使用where/example子句http://code.google.com/p/easyb/wiki/ChangesInEasyb098

package org.easyb.where
/*
Example tests a map at the story level
 */
numberArray = [12, 8, 20, 199]
where "we are using sample data at a global level", [number:numberArray]
before "Before we start running the examples", {
  given "an initial value for counters", {
    println "initial"
    whenCount = 0
    thenCount = 0
    numberTotal = 0
  }
}
scenario "Number is #number and multiplier is #multiplier and total is #{number * multiplier}", {
  when "we multiply #number by #multiplier", {
    whenCount ++
    num = number * multiplier
  }
  then "our calculation (#num) should equal #{number * multiplier}", {
    num.shouldBeGreaterThan 0
    numberTotal += num
    thenCount ++
  }
  where "Multipliers should be", {
    multiplier = [1,2,3]
  }
}

after "should be true after running example data", {
  then "we should have set totals", {
    whenCount.shouldBe 12
    thenCount.shouldBe 12
    num = 0
    numberArray.each { n ->
      num = num + (n + (2*n) + (3*n))
    }
    num.shouldBe numberTotal
  }
}