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AMR/tests/testthat/test-first_isolate.R

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# ==================================================================== #
# TITLE #
# Antimicrobial Resistance (AMR) Data Analysis for R #
# #
# SOURCE #
# https://github.com/msberends/AMR #
# #
# LICENCE #
# (c) 2018-2021 Berends MS, Luz CF et al. #
# Developed at the University of Groningen, the Netherlands, in #
# collaboration with non-profit organisations Certe Medical #
# Diagnostics & Advice, and University Medical Center Groningen. #
# #
# This R package is free software; you can freely use and distribute #
# it for both personal and commercial purposes under the terms of the #
# GNU General Public License version 2.0 (GNU GPL-2), as published by #
# the Free Software Foundation. #
# We created this package for both routine data analysis and academic #
# research and it was publicly released in the hope that it will be #
# useful, but it comes WITHOUT ANY WARRANTY OR LIABILITY. #
# #
# Visit our website for the full manual and a complete tutorial about #
# how to conduct AMR data analysis: https://msberends.github.io/AMR/ #
# ==================================================================== #
context("first_isolate.R")
test_that("first isolates work", {
skip_on_cran()
# first isolates
expect_equal(
sum(
first_isolate(x = example_isolates,
col_date = "date",
col_patient_id = "patient_id",
col_mo = "mo",
info = TRUE),
na.rm = TRUE),
1300)
# first weighted isolates
ex_iso_with_keyab <- example_isolates
ex_iso_with_keyab$keyab <- key_antibiotics(example_isolates, warnings = FALSE)
expect_equal(
suppressWarnings(
sum(
first_isolate(x = ex_iso_with_keyab,
# let syntax determine arguments automatically
type = "keyantibiotics",
info = TRUE),
na.rm = TRUE)),
1396)
# when not ignoring I
expect_equal(
suppressWarnings(
sum(
first_isolate(x = ex_iso_with_keyab,
col_date = "date",
col_patient_id = "patient_id",
col_mo = "mo",
col_keyantibiotics = "keyab",
ignore_I = FALSE,
type = "keyantibiotics",
info = TRUE),
na.rm = TRUE)),
1419)
# when using points
expect_equal(
suppressWarnings(
sum(
first_isolate(x = ex_iso_with_keyab,
col_date = "date",
col_patient_id = "patient_id",
col_mo = "mo",
col_keyantibiotics = "keyab",
type = "points",
info = TRUE),
na.rm = TRUE)),
1399)
# first non-ICU isolates
expect_equal(
sum(
first_isolate(example_isolates,
col_mo = "mo",
col_date = "date",
col_patient_id = "patient_id",
col_icu = "ward_icu",
info = TRUE,
icu_exclude = TRUE),
na.rm = TRUE),
881)
# set 1500 random observations to be of specimen type 'Urine'
random_rows <- sample(x = 1:2000, size = 1500, replace = FALSE)
x <- example_isolates
x$specimen <- "Other"
x[random_rows, "specimen"] <- "Urine"
expect_lt(
sum(
first_isolate(x = x,
col_date = "date",
col_patient_id = "patient_id",
col_mo = "mo",
col_specimen = "specimen",
filter_specimen = "Urine",
info = TRUE),
na.rm = TRUE),
1501)
# same, but now exclude ICU
expect_lt(
sum(
first_isolate(x = x,
col_date = "date",
col_patient_id = "patient_id",
col_mo = "mo",
col_specimen = "specimen",
filter_specimen = "Urine",
col_icu = "ward_icu",
icu_exclude = TRUE,
info = TRUE),
na.rm = TRUE),
1501)
# "No isolates found"
test_iso <- example_isolates
test_iso$specimen <- "test"
expect_message(first_isolate(test_iso,
"date",
"patient_id",
col_mo = "mo",
col_specimen = "specimen",
filter_specimen = "something_unexisting",
info = TRUE))
# printing of exclusion message
expect_message(first_isolate(example_isolates,
col_date = "date",
col_mo = "mo",
col_patient_id = "patient_id",
col_testcode = "gender",
testcodes_exclude = "M",
info = TRUE))
# errors
expect_error(first_isolate("date", "patient_id", col_mo = "mo"))
expect_error(first_isolate(example_isolates,
col_date = "non-existing col",
col_mo = "mo"))
require("dplyr")
# if mo is not an mo class, result should be the same
expect_identical(example_isolates %>%
mutate(mo = as.character(mo)) %>%
first_isolate(col_date = "date",
col_mo = "mo",
col_patient_id = "patient_id"),
example_isolates %>%
first_isolate(col_date = "date",
col_mo = "mo",
col_patient_id = "patient_id"))
# support for WHONET
expect_message(example_isolates %>%
select(-patient_id) %>%
mutate(`First name` = "test",
`Last name` = "test",
Sex = "Female") %>%
first_isolate(info = TRUE))
# missing dates should be no problem
df <- example_isolates
df[1:100, "date"] <- NA
expect_equal(
sum(
first_isolate(x = df,
col_date = "date",
col_patient_id = "patient_id",
col_mo = "mo",
info = TRUE),
na.rm = TRUE),
1305)
# unknown MOs
test_unknown <- example_isolates
test_unknown$mo <- ifelse(test_unknown$mo == "B_ESCHR_COLI", "UNKNOWN", test_unknown$mo)
expect_equal(sum(first_isolate(test_unknown, include_unknown = FALSE)),
1045)
expect_equal(sum(first_isolate(test_unknown, include_unknown = TRUE)),
1528)
test_unknown$mo <- ifelse(test_unknown$mo == "UNKNOWN", NA, test_unknown$mo)
expect_equal(sum(first_isolate(test_unknown)),
1045)
# shortcuts
expect_identical(filter_first_isolate(example_isolates),
subset(example_isolates, first_isolate(example_isolates)))
ex <- example_isolates
ex$keyab <- key_antibiotics(ex)
expect_identical(filter_first_weighted_isolate(example_isolates),
subset(example_isolates, first_isolate(ex)))
# notice that all mo's are distinct, so all are TRUE
expect_true(all(example_isolates %pm>%
pm_distinct(mo, .keep_all = TRUE) %pm>%
first_isolate(info = TRUE) == TRUE))
# only one isolate, so return fast
expect_true(first_isolate(data.frame(mo = "Escherichia coli", date = Sys.Date(), patient = "patient"), info = TRUE))
# groups
x <- example_isolates %>% group_by(ward_icu) %>% mutate(first = first_isolate())
y <- example_isolates %>% group_by(ward_icu) %>% mutate(first = first_isolate(.))
expect_identical(x, y)
})
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