# Unit Test - gpttools

test_that("ci_plot produces a valid plot, OLR", {
  data(talos)
  talos[,"mrs_1"]<-factor(talos[,"mrs_1"],ordered=TRUE)
  testthat::expect_true(inherits(ci_plot(ds = talos, x = "rtreat", 
                                         y = "mrs_1", 
                                         vars = c("hypertension","diabetes")), 
                                 "ggplot"))
})

test_that("ci_plot produces a valid plot", {
  data(talos)
  talos[,"mrs_1"]<-factor(ifelse(talos[,"mrs_1"] %in% c("0","1"),1,2))
  testthat::expect_true(inherits(ci_plot(ds = talos, x = "rtreat", 
                                         y = "mrs_1", 
                                         vars = c("hypertension","diabetes")), 
                                 "ggplot"))
})

test_that("ci_plot gives error if outcome is not factor", {
  data(talos)
  testthat::expect_error(ci_plot(ds = talos, x = "rtreat", y = "mrs_1", 
                                 vars = c("hypertension","diabetes")))
})

test_that("ci_plot produces a valid plot", {
  data(talos)
  talos[,"mrs_1"]<-factor(ifelse(talos[,"mrs_1"] %in% c("0","1"),1,2))
  testthat::expect_true(inherits(ci_plot(ds = talos, x = "rtreat", 
                                         y = "mrs_1", 
                                         vars = c("hypertension","diabetes"),
                                         lbls = c("Intercept","Placebo",
                                                  "Hypertension","Diabetes")), 
                                 "ggplot"))
})