flow-mumu 0.2.0-rc.9

Stream transform tools plugin for the Lava language
Documentation 
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extend("test")
extend("flow")

describe("flow:errors", () => {

  it("throttle rejects negative milliseconds", () => {
    test:expect_error(() => {
      flow:throttle(-5, ink(1,3))
    }, "negative ms")
  })

  it("filter requires a function predicate", () => {
    test:expect_error(() => {
      flow:filter(123, ink(1,3))
    }, "first param")
  })

  it("slice requires integer skip", () => {
    test:expect_error(() => {
      flow:slice("a", 3, ink(1,3))
    }, "skip")
  })

  it("slice requires integer count", () => {
    test:expect_error(() => {
      flow:slice(1, "b", ink(1,3))
    }, "count")
  })

  it("slice requires iterator or transform source", () => {
    test:expect_error(() => {
      flow:slice(1, 2, 99)
    }, "InkIterator or InkTransform")
  })
})