squiggle/packages/squiggle-lang/__tests__/ReducerProject/ReducerProject_Topology_test.res

@@warning("-44")
module Topology = ReducerProject_Topology

open Jest
open Expect
open Expect.Operators

describe("Topology Diff", () => {
  test("when equal 1x", () => {
    Topology.runOrderDiff(["a"], ["a"])->expect == []
  })

  test("when equal 3x", () => {
    Topology.runOrderDiff(["a", "b", "c"], ["a", "b", "c"])->expect == []
  })

  test("less dependents", () => {
    Topology.runOrderDiff(["a", "b"], ["a", "b", "c", "d"])->expect == []
  })

  test("more dependents", () => {
    Topology.runOrderDiff(["a", "b", "c", "d"], ["a", "b"])->expect == ["c", "d"]
  })

  test("change midway", () => {
    Topology.runOrderDiff(["a", "b", "bb", "c", "d"], ["a", "b", "c", "d"])->expect == [
        "bb",
        "c",
        "d",
      ]
  })

  test("swap", () => {
    Topology.runOrderDiff(["a", "b", "c", "d"], ["a", "c", "b", "d"])->expect == ["b", "c", "d"]
  })
})