Nothing
test_that("prep_min_obs_level works", {
skip_on_cran() # function not used, yet
meta_data <- prep_get_data_frame("meta_data")
study_data <- prep_get_data_frame("study_data")
label_col <- LABEL
util_prepare_dataframes()
expect_message(
x <- prep_min_obs_level(ds1,
group_vars = "USR_BP_0",
min_obs_in_subgroup = 50),
regexp =
paste("The following levels: .+USR_559.+ have < 50",
"observations and are disregarded"),
perl = TRUE,
all = TRUE
)
expect_equal(nrow(study_data) - nrow(x), 29)
expect_error(
x <- prep_min_obs_level(ds1,
group_vars = character(0),
min_obs_in_subgroup = 50
),
regexp =
paste(".+group_vars.+ is required to name exactly one variable."),
perl = TRUE
)
expect_error(
x <- prep_min_obs_level(ds1,
group_vars = NULL,
min_obs_in_subgroup = 50
),
regexp =
paste(".+group_vars.+ is required to be a character.* argument."),
perl = TRUE
)
expect_message(
expect_error(
x <- prep_min_obs_level(ds1,
group_vars = letters,
min_obs_in_subgroup = 50
),
regexp =
paste(".+group_vars.+ = .+a.+ is not a variable."),
perl = TRUE
),
regexp = sprintf("(%s)",
paste("Subsets based only on one variable possible.")),
perl = TRUE,
all = TRUE
)
expect_message(
x <- prep_min_obs_level(ds1,
group_vars = "USR_BP_0",
min_obs_in_subgroup = NA),
regexp = sprintf("(%s|%s)",
paste("The following levels: .+USR_559.+ have < 30",
"observations and are disregarded"),
paste("argument .+min_obs_in_subgroup.+ was missing,",
"not of length 1 or NA, setting to its default, 30")),
perl = TRUE,
all = TRUE
)
expect_equal(nrow(study_data) - nrow(x), 29)
ds1. <- ds1
ds1.$USR_BP_0 <- NA
expect_message(
expect_error(
x <- prep_min_obs_level(ds1.,
group_vars = "USR_BP_0",
min_obs_in_subgroup = NA),
regexp = paste("For .+group_vars.+ = .+USR_BP_0.+,",
"observations cannot be counted."),
perl = TRUE
),
regexp = sprintf("(%s|%s)",
paste("The following levels: .+USR_559.+ have < 30",
"observations and are disregarded"),
paste("argument .+min_obs_in_subgroup.+ was missing,",
"not of length 1 or NA, setting to its default, 30")),
perl = TRUE,
all = TRUE
)
ds1. <- subset(ds1, USR_BP_0 != "USR_559")
expect_silent(
x <- prep_min_obs_level(ds1.,
group_vars = "USR_BP_0",
min_obs_in_subgroup = 50)
)
expect_equal(nrow(ds1.) - nrow(x), 0)
})
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