tests/testthat/test_hy_stn_regulation.R

In tidyhydat: Extract and Tidy Canadian 'Hydrometric' Data

test_that("hy_stn_regulation accepts single and multiple province arguments", {
  stns <- "08NM083"
  expect_identical(
    unique(
      hy_stn_regulation(
        station_number = stns,
        hydat_path = hy_test_db()
      )$STATION_NUMBER
    ),
    stns
  )
  expect_identical(
    length(unique(
      hy_stn_regulation(
        station_number = c("08NM083", "08NE102"),
        hydat_path = hy_test_db()
      )$STATION_NUMBER
    )),
    length(c("08NM083", "08NE102"))
  )
})


test_that("hy_stn_regulation accepts single and multiple province arguments", {
  expect_true(
    nrow(
      hy_stn_regulation(
        prov_terr_state_loc = "BC",
        hydat_path = hy_test_db()
      )
    ) >=
      1
  )
  expect_true(
    nrow(
      hy_stn_regulation(
        prov_terr_state_loc = c("BC", "YT"),
        hydat_path = hy_test_db()
      )
    ) >=
      1
  )
})

test_that("hy_stn_regulation produces an error when a province is not specified correctly", {
  expect_error(hy_stn_regulation(
    prov_terr_state_loc = "BCD",
    hydat_path = hy_test_db()
  ))
  expect_error(hy_stn_regulation(
    prov_terr_state_loc = c("AB", "BCD"),
    hydat_path = hy_test_db()
  ))
})

test_that("hy_stn_regulation gather data when no arguments are supplied", {
  expect_true(
    nrow(hy_stn_regulation(
      hydat_path = hy_test_db()
    )) >=
      1
  )
})