AMR/tests/testthat/test-resistance.R

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3.1 KiB
R
Executable File

context("resistance.R")
test_that("resistance works", {
# amox resistance in `septic_patients` should be around 57.56%
expect_equal(resistance(septic_patients$amox, include_I = TRUE), 0.5756, tolerance = 0.0001)
expect_equal(susceptibility(septic_patients$amox, include_I = FALSE), 1 - 0.5756, tolerance = 0.0001)
# pita+genta susceptibility around 98.09%
expect_equal(susceptibility(septic_patients$pita,
septic_patients$gent),
0.9809,
tolerance = 0.0001)
expect_equal(suppressWarnings(rsi(septic_patients$pita,
septic_patients$gent,
interpretation = "S")),
0.9809,
tolerance = 0.0001)
# count of cases
expect_equal(septic_patients %>%
group_by(hospital_id) %>%
summarise(cipro_p = susceptibility(cipr, as_percent = TRUE),
cipro_n = n_rsi(cipr),
genta_p = susceptibility(gent, as_percent = TRUE),
genta_n = n_rsi(gent),
combination_p = susceptibility(cipr, gent, as_percent = TRUE),
combination_n = n_rsi(cipr, gent)) %>%
pull(combination_n),
c(138, 474, 170, 464, 183))
})
test_that("prediction of rsi works", {
amox_R <- septic_patients %>%
filter(bactid == "ESCCOL") %>%
rsi_predict(col_ab = "amox",
col_date = "date",
info = FALSE) %>%
pull("probR")
# amox resistance will decrease using dataset `septic_patients`
expect_true(amox_R[2] > amox_R[20])
expect_output(rsi_predict(tbl = filter(septic_patients, bactid == "ESCCOL"),
model = "binomial",
col_ab = "amox",
col_date = "date",
info = TRUE))
expect_output(rsi_predict(tbl = filter(septic_patients, bactid == "ESCCOL"),
model = "loglin",
col_ab = "amox",
col_date = "date",
info = TRUE))
expect_output(rsi_predict(tbl = filter(septic_patients, bactid == "ESCCOL"),
model = "lin",
col_ab = "amox",
col_date = "date",
info = TRUE))
expect_error(rsi_predict(tbl = filter(septic_patients, bactid == "ESCCOL"),
model = "INVALID MODEL",
col_ab = "amox",
col_date = "date",
info = FALSE))
expect_error(rsi_predict(tbl = filter(septic_patients, bactid == "ESCCOL"),
col_ab = "NOT EXISTING COLUMN",
col_date = "date",
info = FALSE))
expect_error(rsi_predict(tbl = filter(septic_patients, bactid == "ESCCOL"),
col_ab = "amox",
col_date = "NOT EXISTING COLUMN",
info = FALSE))
})