tests/testthat/test_07_weather_args.R

In weathercan: Download Weather Data from Environment and Climate Change Canada

# weather by hour ---------------------------------------------------------
context("weather_dl() arguments")

test_that("weather_dl() hour format = FALSE", {
  skip_on_cran()
  vcr::use_cassette("weather_hour_51423_2014-01", {
    w <- weather_dl(station_ids = 51423, start = "2014-01-01", end = "2014-01-31",
                    format = FALSE)
  })

  ## Basics
  expect_is(w, "data.frame")
  expect_length(w, 40)
  expect_equal(nrow(w), 744)
  expect_is(w$prov, "character")

  c <- dplyr::select(w, -station_id, -prov, -lat, -lon, -elev)
  expect_true(all(apply(c, 2, is.character)))

  ## Data
  expect_equal(w$station_id[1], 51423)
  expect_equal(w$station_name[1], "KAMLOOPS A")
  expect_equal(w$prov[1], "BC")

  expect_equal(w$`Date/Time (LST)`[1], "2014-01-01 00:00")
  #expect_equal(w$`Data Quality`[1], "\u2021")
})

test_that("weather_dl() day format = FALSE", {
  skip_on_cran()
  vcr::use_cassette("weather_day_51423_2014", {
    w <- weather_dl(station_ids = 51423, start = "2014-01-01", end = "2014-03-01",
                    interval = "day", format = FALSE)
  })

  ## Basics
  expect_is(w, "data.frame")
  expect_length(w, 41)
  expect_equal(nrow(w), 365)
  expect_is(w$prov, "character")

  c <- dplyr::select(w, -station_id, -prov, -lat, -lon, -elev)
  expect_true(all(apply(c, 2, is.character)))

  ## Data
  expect_equal(w$station_id[1], 51423)
  expect_equal(w$station_name[1], "KAMLOOPS A")
  expect_equal(w$prov[1], "BC")

  expect_equal(w$`Date/Time`[1], "2014-01-01")
  #expect_equal(w$`Data Quality`[1], "\u2021")
  expect_true(is.na(w$`Data Quality`[1]))

})

test_that("weather_dl() month format = FALSE", {
  skip_on_cran()
  vcr::use_cassette("weather_month_5401", {
    expect_silent(w <- weather_dl(station_ids = 5401,
                                  start = "2017-01-01", end = "2017-05-01",
                                  interval = "month", format = FALSE))
  })

  ## Basics
  expect_is(w, "data.frame")
  expect_length(w, 39)
  expect_equal(nrow(w), 842)
  expect_is(w$prov, "character")

  c <- dplyr::select(w, -station_id, -prov, -lat, -lon, -elev)
  expect_true(all(apply(c, 2, is.character)))

  ## Data
  expect_equal(w$station_id[1], 5401)
  expect_equal(w$station_name[1], "MAGOG")
  expect_equal(w$prov[1], "QC")
  expect_equal(w$`Date/Time`[1], "1948-01")
  expect_equal(w$climate_id[1], "7024440")
  expect_true(is.na(w$WMO_id[1]))
  expect_true(is.na(w$TC_id[1]))
})

test_that("weather_dl() month string_as = NULL", {
  skip_on_cran()
  vcr::use_cassette("weather_month_5410", {
    expect_warning(expect_message(w <- weather_dl(station_id = 5410,
                                                  interval = "month",
                                                  start = "2014-01-01",
                                                  end = "2014-03-01",
                                                  string_as = NULL)),
                   NA)
  })

})