tests/testthat/test_g_plot3_points.R

In guillermozbta/precrec: Calculate Accurate Precision-Recall and ROC (Receiver Operator Characteristics) Curves

library(precrec)

context("PT 3: Plot points")
# Test plot(x, y, ...)

pt3_create_mspoints <- function() {
  s1 <- c(1, 2, 3, 4)
  s2 <- c(5, 6, 7, 8)
  s3 <- c(2, 4, 6, 8)
  scores <- join_scores(s1, s2, s3)

  l1 <- c(1, 0, 1, 1)
  l2 <- c(0, 1, 1, 1)
  l3 <- c(1, 1, 0, 1)
  labels <- join_labels(l1, l2, l3)

  mdat <- mmdata(scores, labels)
  evalmod(mdat, mode = "basic")
}

pt3_create_smpoints <- function(raw_curves = FALSE) {
  s1 <- c(1, 2, 3, 4)
  s2 <- c(5, 6, 7, 8)
  s3 <- c(2, 4, 6, 8)
  scores <- join_scores(s1, s2, s3)

  l1 <- c(1, 0, 1, 1)
  l2 <- c(0, 1, 1, 1)
  l3 <- c(1, 1, 0, 1)
  labels <- join_labels(l1, l2, l3)

  mdat <- mmdata(scores, labels, expd_first = "dsids")
  evalmod(mdat, mode = "basic", raw_curves = raw_curves)
}

pt3_create_mmpoints <- function(raw_curves = FALSE) {
  s1 <- c(1, 2, 3, 4)
  s2 <- c(5, 6, 7, 8)
  s3 <- c(2, 4, 6, 8)
  s4 <- c(2, 4, 6, 8)
  scores <- join_scores(s1, s2, s3, s4)

  l1 <- c(1, 0, 1, 1)
  l2 <- c(0, 1, 1, 1)
  l3 <- c(1, 1, 0, 1)
  l4 <- c(1, 1, 0, 1)
  labels <- join_labels(l1, l2, l3, l4)

  mdat <- mmdata(scores, labels, modnames = c("m1", "m2"), dsids = c(1, 2),
                 expd_first = "modnames")
  evalmod(mdat, mode = "basic", raw_curves = raw_curves)
}

ap3_test_basic_measures <- function(points, ...){

  expect_error(plot(points, ...), NA)
  expect_error(plot(points, c("sensitivity", "specificity", "error",
                              "accuracy", "precision"), ...), NA)
  expect_error(plot(points, c("sensitivity", "specificity", "error",
                              "precision"), ...), NA)
  expect_error(plot(points, c("sensitivity", "specificity", "precision"), ...),
               NA)
  expect_error(plot(points, c("sensitivity", "precision"), ...), NA)
  expect_error(plot(points, "precision", ...), NA)
}

test_that("plot sspoints", {
  pdf(NULL)
  on.exit(dev.off())

  data(P10N10)
  points <- evalmod(scores = P10N10$scores, labels = P10N10$labels,
                    mode = "basic")

  ap3_test_basic_measures(points)
  ap3_test_basic_measures(points, type = "l")
  ap3_test_basic_measures(points, type = "b")
})

test_that("plot mspoints", {
  pdf(NULL)
  on.exit(dev.off())

  points <- pt3_create_mspoints()

  ap3_test_basic_measures(points)
  ap3_test_basic_measures(points, type = "l")
  ap3_test_basic_measures(points, type = "b")
  ap3_test_basic_measures(points, show_legend = TRUE)
})

test_that("plot smpoints", {
  pdf(NULL)
  on.exit(dev.off())

  points <- pt3_create_smpoints()

  ap3_test_basic_measures(points)
  ap3_test_basic_measures(points, type = "l")
  ap3_test_basic_measures(points, type = "b")
  ap3_test_basic_measures(points, show_cb = FALSE)

  points2 <- pt3_create_smpoints(raw_curves = TRUE)
  ap3_test_basic_measures(points2, raw_curves = TRUE)
})

test_that("plot mmpoints", {
  pdf(NULL)
  on.exit(dev.off())

  points <- pt3_create_mmpoints()

  ap3_test_basic_measures(points)
  ap3_test_basic_measures(points, type = "l")
  ap3_test_basic_measures(points, type = "b")
  ap3_test_basic_measures(points, show_cb = TRUE)
  ap3_test_basic_measures(points, show_legend = FALSE)

  points2 <- pt3_create_mmpoints(raw_curves = TRUE)
  ap3_test_basic_measures(points2, raw_curves = TRUE)
})

test_that("plot raw_curve option sspoints", {
  get_args <- function(x, y = NULL, ...) {
    args <- .get_plot_arglist(attr(x, "args"), y,
                              def_curvetype = .get_metric_names("basic"),
                              def_type = "p",
                              def_show_cb = FALSE, def_raw_curves = TRUE,
                              def_add_np_nn = TRUE, def_show_legend = TRUE,
                              ...)
  }

  data(P10N10)
  points1 <- evalmod(mode = "basic", scores = P10N10$scores,
                     labels = P10N10$labels)

  args1a <- get_args(points1, raw_curves = TRUE)
  expect_true(args1a[["raw_curves"]])

  args1b <- get_args(points1, raw_curves = FALSE)
  expect_false(args1b[["raw_curves"]])

  args1c <- get_args(points1)
  expect_true(args1c[["raw_curves"]])
})

test_that("plot raw_curve option mspoints", {
  get_args <- function(x, y = NULL, ...) {
    arglist <- .get_plot_arglist(attr(x, "args"), y,
                                 def_curvetype = .get_metric_names("basic"),
                                 def_type = "p",
                                 def_show_cb = FALSE, def_raw_curves = TRUE,
                                 def_add_np_nn = TRUE, def_show_legend = TRUE,
                                 ...)
  }

  points1 <- pt3_create_mspoints()

  args1a <- get_args(points1, raw_curves = TRUE)
  expect_true(args1a[["raw_curves"]])

  args1b <- get_args(points1, raw_curves = FALSE)
  expect_false(args1b[["raw_curves"]])

  args1c <- get_args(points1)
  expect_true(args1c[["raw_curves"]])
})

test_that("plot raw_curve option smpoints", {
  get_args <- function(x, y = NULL, ...) {
    args <- .get_plot_arglist(attr(x, "args"), y,
                              def_curvetype = .get_metric_names("basic"),
                              def_type = "p",
                              def_show_cb = TRUE, def_raw_curves = NULL,
                              def_add_np_nn = TRUE, def_show_legend = FALSE,
                              ...)
  }

  points1 <- pt3_create_smpoints()

  expect_error(get_args(points1, raw_curves = TRUE), "Invalid raw_curves.")

  args1b <- get_args(points1, raw_curves = FALSE)
  expect_false(args1b[["raw_curves"]])

  args1c <- get_args(points1)
  expect_false(args1c[["raw_curves"]])

  points2 <- pt3_create_smpoints(raw_curves = TRUE)

  args2a <- get_args(points2, raw_curves = TRUE)
  expect_true(args2a[["raw_curves"]])

  args2b <- get_args(points2, raw_curves = FALSE)
  expect_false(args2b[["raw_curves"]])

  args2c <- get_args(points2)
  expect_true(args2c[["raw_curves"]])
})

test_that("plot raw_curve option mmpoints", {
  get_args <- function(x, y = NULL, ...) {
    args <- .get_plot_arglist(attr(x, "args"), y,
                              def_curvetype = .get_metric_names("basic"),
                              def_type = "p",
                              def_show_cb = FALSE, def_raw_curves = NULL,
                              def_add_np_nn = TRUE, def_show_legend = TRUE,
                              ...)
  }

  points1 <- pt3_create_mmpoints()

  expect_error(get_args(points1, raw_curves = TRUE), "Invalid raw_curves.")

  args1b <- get_args(points1, raw_curves = FALSE)
  expect_false(args1b[["raw_curves"]])

  args1c <- get_args(points1)
  expect_false(args1c[["raw_curves"]])

  points2 <- pt3_create_mmpoints(raw_curves = TRUE)

  args2a <- get_args(points2, raw_curves = TRUE)
  expect_true(args2a[["raw_curves"]])

  args2b <- get_args(points2, raw_curves = FALSE)
  expect_false(args2b[["raw_curves"]])

  args2c <- get_args(points2)
  expect_true(args2c[["raw_curves"]])
})