tests/testthat/test-compute_concentrations.R

In FRBCesab/forcis: An R Client to Access the FORCIS Database

## Data for test ----

df <- read.table(system.file(file.path("extdata", "FORCIS_net_sample.csv"),
                             package = "forcis"), dec = ".", sep = ";")

df <- add_data_type(df, "Net")
df <- select_taxonomy(df, "VT")

df2 <- df
df2 <- add_data_type(df2, "Sediment trap")

df3 <- vroom::vroom(system.file(file.path("extdata", 
                                          "FORCIS_cpr_north_sample.csv"),
                                package = "forcis"), 
                    delim = ";", altrep = FALSE, show_col_types = FALSE)

df3 <- add_data_type(df3, "CPR North")


## compute_concentrations() ----

test_that("Test compute_concentrations() for error", {
  
  expect_error(compute_concentrations(df2),
               paste0("This function is not designed to work with ", 
                      "'Sediment trap' data"),
               fixed = TRUE)
})

test_that("Test compute_concentrations() for success", {
  
  expect_message(res <- compute_concentrations(df))
  
  expect_true(is.data.frame(res))
  expect_equal(ncol(res), 16L)
  expect_equal(nrow(res), 39032L)
  
  expect_message(res <- compute_concentrations(df, aggregate = FALSE))
  
  expect_true(is.data.frame(res))
  expect_equal(ncol(res), 19L)
  expect_equal(nrow(res), 134680L)
  
  res <- compute_concentrations(df3)
  
  expect_true(is.data.frame(res))
  expect_equal(ncol(res), 78L)
  expect_equal(nrow(res), 5L)
})