context("add Load Factor Link")

sapply(studyPathS, function(studyPath){

  opts <- setSimulationPath(studyPath)

  describe("addLoadFactorLink", {

    it("adds column 'loadFactor' and 'congestion' to the input data", {
      mydata <- suppressWarnings({readAntares(links="all", timeStep = "annual", showProgress = FALSE, linkCapacity=TRUE)})
      cols <- names(copy(mydata))
      addLoadFactorLink(mydata)
      expect_identical(c(cols, "loadFactor", "congestion"), names(mydata))
    })

    it("column 'loadFactor' and 'congestion' must be numerical", {
      mydata <- suppressWarnings({readAntares(links="all", showProgress = FALSE, linkCapacity=TRUE)})
      addLoadFactorLink(mydata)
      expect_is(mydata$loadFactor, "numeric")
      expect_is(mydata$congestion, "integer")
    })

    it("accepts 'antaresDataList' objects", {
      mydata <- suppressWarnings({readAntares(areas = "all", links="all", showProgress = FALSE, linkCapacity=TRUE)})
      addLoadFactorLink(mydata)

      expect_is(mydata, "antaresDataList")
      expect_false(is.null(mydata$links$loadFactor))
    })

    it( "error if links are missings and columns transCapacityDirect, transCapacityIndirect and FLOW LIN." , {

      mydata <- suppressWarnings({readAntares(areas = "all", showProgress = FALSE)})
      expect_error(addLoadFactorLink(mydata),"'x' does not contain link data")

      mydata <- suppressWarnings({readAntares(clusters = "all", showProgress = FALSE)})
      expect_error(addLoadFactorLink(mydata),"'x' does not contain link data")

      expect_error(addLoadFactorLink(c("areas", "links")),"'x' is not an 'antaresData' object")

    })

    it( "error if columns transCapacityDirect, transCapacityIndirect and FLOW LIN. are missing" , {

      mydata <- suppressWarnings({readAntares(areas = "all", links = "all", showProgress = FALSE)})
      expect_error(addLoadFactorLink(mydata),"The following columns are needed but missing: transCapacityDirect, transCapacityIndirect")

      mydata <- suppressWarnings({readAntares(areas = "all", links = "all", select = "production", showProgress = FALSE, linkCapacity = TRUE)})
      expect_error(addLoadFactorLink(mydata),"The following columns are needed but missing: FLOW LIN.")

    })

    # it("column 'LoadFactorLink' must be smaller than capacity", {
    #   mydata <- suppressWarnings({readAntares(links="all", showProgress = FALSE, linkCapacity=TRUE)})
    #   addLoadFactorLink(mydata)
    #   #TO DO
    #   #on doit faire le test suivant uniquement si les liens ont une capacité mises à "enabled"
    #   #pour l'instant on ne peut pas récupérer les paramètres des liens comme pour les clusters
    #   # TO DO à rajouter dans antaresRead
    #   #       paramètres à récupérer dans les fichiers properties.ini
    #   expect_lt(mydata[`FLOW LIN.`>0,max(loadFactorLink-transCapacityDirect)],0)
    #   expect_lt(mydata[`FLOW LIN.`<0,max(loadFactorLink-transCapacityIndirect)],0)
    # })


  })

})