Nothing
context("Get a summary statistics table")
test_that("Getting a summary table is identical to computing and exporting a summary table", {
data <- data.frame(
PARAM = c("a", "b", "a", "b"),
TRT = c("A", "A", "B", "B"),
AVAL = c(1, 2, 4, 5),
USUBJID = seq.int(4)
)
summaryTableOutput <- getSummaryStatisticsTable(
data = data,
rowVar = "PARAM", colVar = "TRT",
var = "AVAL"
)
summaryTable <- computeSummaryStatisticsTable(
data = data,
rowVar = "PARAM",
colVar = "TRT",
var = "AVAL"
)
summaryTableOutputSteps <- export(summaryTable)
expect_identical(summaryTableOutput, summaryTableOutputSteps)
})
test_that("No output and a message is generated if the data is empty", {
expect_message(
res <- getSummaryStatisticsTable(data = data.frame())
)
expect_null(res)
})
test_that("A variable with subgroups and a flag variable are correctly combined when multiple statistics are set", {
data <- data.frame(
TRTEMFL = c("Y", "Y", "N", "N"),
WORST = factor(
c("Mild", "Moderate", "Mild", "Mild"),
levels = c("Mild", "Moderate"),
),
TRT = c("A", "A", "A", "A"),
USUBJID = c("1", "2", "3", "4"),
stringsAsFactors = FALSE
)
ft <- getSummaryStatisticsTable(
data = data,
var = c("TRTEMFL", "WORST"),
varFlag = "TRTEMFL",
colVar = "TRT",
stats = getStats(c("n", "%"))
)
dataRef <- data.frame(
col1 = c(
"TRTEMFL", "n", "%",
"WORST",
"Mild", "n", "%",
"Moderate", "n", "%"
),
col2 = c(
NA_character_, "2", "50.0",
NA_character_,
NA_character_, "3", "75.0",
NA_character_, "1", "25.0"
),
stringsAsFactors = FALSE
)
expect_equal(
object = ft$body$data,
expected = dataRef,
# rownames might differ
check.attributes = FALSE
)
})
test_that("The width of the columns is correctly set", {
data <- data.frame(
TRT = c("A", "B"),
USUBJID = c("1", "2"),
stringsAsFactors = FALSE
)
columnsWidth <- c(0.5, 2, 8)
ft <- getSummaryStatisticsTable(data = data, colVar = "TRT", columnsWidth = columnsWidth)
expect_equal(object = ft$body$colwidths, expected = columnsWidth)
})
test_that("A warning is generated if the width of the columns is not correctly set", {
data <- data.frame(
TRT = c("A", "B"),
USUBJID = c("1", "2"),
stringsAsFactors = FALSE
)
columnsWidth <- c(2, 8)
expect_warning(
object = getSummaryStatisticsTable(
data = data,
colVar = "TRT",
columnsWidth = columnsWidth
)
)
})
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