tests/testthat/test-package.r

In eddington: Compute a Cyclist's Eddington Number

context("Package functions")

simdata <- readRDS("simdata.rds")
refdata <- readRDS("refdata.rds")

E_ref <- refdata[length(refdata)]

test_that("E_num works",{
  expect_identical(E_num(simdata), E_ref)
})

test_that("E_cum works",{
  expect_identical(E_cum(simdata), refdata)
})


test_that("E_sat works",{
  expect_true(E_sat(simdata, E_ref))
  expect_false(E_sat(simdata, E_ref + 1L))
})

test_that("E_next works",{
  x <- E_next(simdata)
  ref_next <- x$E + 1L
  enough_rides <- c(simdata, rep(ref_next, x$req))
  not_enough_rides <- c(simdata, rep(ref_next, x$req - 1))

  expect_true(E_sat(enough_rides, ref_next))
  expect_false(E_sat(not_enough_rides, ref_next))
})

test_that("E_req works",{
  x <- E_next(simdata)
  ref_next <- x$E + 1L
  expect_equal(E_req(simdata, ref_next), x$req)
})

context("R6 class")

test_that("Eddington class works",{

  # constructor
  e <- Eddington$new(store.cumulative = FALSE)
  e$update(1:3)
  expect_equal(e$current, 2L)
  expect_error(e$cumulative)

  e <- Eddington$new(simdata, store.cumulative = TRUE)

  # current
  expect_equal(e$current, E_ref)

  # cumulative
  expect_equal(e$cumulative, E_cum(simdata))

  # Number to next and target
  expect_equal(e$number_to_next, E_next(simdata)$req)
  expect_equal(e$getNumberToTarget(27), E_req(simdata, 27))

  # satisfied
  expect_true(e$isSatisfied(e$current))
  expect_true(e$isSatisfied(e$current - 1L))
  expect_false(e$isSatisfied(e$current + 1L))

  # n
  expect_equal(e$n, length(simdata))

  # Get hashmap
  hashmap <- e$hashmap
  expect_s3_class(e$hashmap, "data.frame")
  expect_true(all(hashmap[["length"]] > e$current))
  expect_true(all(names(hashmap) == c("length", "count")))
  expect_true(nrow(hashmap) > 0)

  # clone is disabled
  expect_false(exists("clone", envir = e))

  # update
  e <- Eddington$new(simdata, store.cumulative = TRUE)
  e$update(rep(25, 10))
  expect_equal(e$cumulative, E_cum(c(simdata, rep(25, 10))))

})


context("Rcpp Module class")

test_that("EddingtonModule class works",{

  # constuctors
  e <- EddingtonModule$new()

  e <- EddingtonModule$new(TRUE)
  e$update(1:3)
  expect_true(!is.null(e$cumulative))

  e <- EddingtonModule$new(FALSE)
  e$update(1:3)
  expect_true(is.null(e$cumulative))

  e <- EddingtonModule$new(simdata, store_cumulative = TRUE)

  # current
  expect_equal(e$current, E_ref)

  # cumulative
  expect_equal(e$cumulative, E_cum(simdata))

  # Number to next and target
  expect_equal(e$getNumberToNext(), E_next(simdata)$req)
  expect_equal(e$getNumberToTarget(27), E_req(simdata, 27))

  # Get hashmap
  hashmap <- e$hashmap
  expect_s3_class(e$hashmap, "data.frame")
  expect_true(all(hashmap[["length"]] > e$current))
  expect_true(all(names(hashmap) == c("length", "count")))
  expect_true(nrow(hashmap) > 0)

  # update
  e <- EddingtonModule$new(simdata, TRUE)
  e$update(rep(25, 10))
  expect_equal(e$cumulative, E_cum(c(simdata, rep(25, 10))))

})