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test_that("data_remove works as expected", {
expect_identical(
data_remove(BOD, "Time"),
structure(list(demand = c(8.3, 10.3, 19, 16, 15.6, 19.8)),
class = "data.frame",
row.names = c(NA, 6L),
reference = "A1.4, p. 270"
)
)
})
test_that("data_remove works with NSE", {
expect_named(
data_remove(iris, starts_with("Sepal")),
c("Petal.Length", "Petal.Width", "Species")
)
expect_named(
data_remove(iris, "Sepal"),
c("Sepal.Length", "Sepal.Width", "Petal.Length", "Petal.Width", "Species")
)
expect_named(
data_remove(iris, c("Sepal.Length", "Sepal.Width")),
c("Petal.Length", "Petal.Width", "Species")
)
expect_named(
data_remove(iris, regex("\\.")),
"Species"
)
expect_named(
data_remove(iris, Sepal.Width:Petal.Width),
c("Sepal.Length", "Species")
)
expect_named(
data_remove(iris, contains("Sep")),
c("Petal.Length", "Petal.Width", "Species")
)
expect_named(
data_remove(iris, contains("sep")),
c("Sepal.Length", "Sepal.Width", "Petal.Length", "Petal.Width", "Species")
)
expect_named(
data_remove(iris, contains("sep"), ignore_case = TRUE),
c("Petal.Length", "Petal.Width", "Species")
)
expect_named(
data_remove(iris, 1:3),
c("Petal.Width", "Species")
)
expect_identical(
colnames(data_remove(iris, c(1, 5))),
colnames(iris)[2:4]
)
expect_identical(
colnames(data_remove(iris, -1:-2)),
colnames(iris)[1:2]
)
expect_identical(
colnames(data_remove(iris, c(1, 4:5))),
colnames(iris)[2:3]
)
expect_identical(
colnames(data_remove(iris, "abc")),
colnames(iris)
)
expect_named(
data_remove(iris, "Species"),
c("Sepal.Length", "Sepal.Width", "Petal.Length", "Petal.Width")
)
expect_named(
data_remove(iris, "species"),
c("Sepal.Length", "Sepal.Width", "Petal.Length", "Petal.Width", "Species")
)
expect_named(
data_remove(iris, "species", ignore_case = TRUE),
c("Sepal.Length", "Sepal.Width", "Petal.Length", "Petal.Width")
)
})
test_that("data_remove from other functions", {
test_fun <- function(data, i) {
data_remove(data, select = i)
}
expect_named(
test_fun(iris, c("Sepal.Length", "Sepal.Width")),
c("Petal.Length", "Petal.Width", "Species")
)
})
# preserve attributes --------------------------
test_that("data_remove preserves attributes", {
skip_if_not_installed("parameters")
m <- lm(Sepal.Length ~ Species, data = iris)
out <- parameters::parameters(m)
a1 <- attributes(out)
out2 <- data_remove(out, "SE")
a2 <- attributes(out2)
# attributes may not be in the same order
expect_true(all(names(a1) %in% names(a2)))
expect_identical(length(a1), length(a2))
})
# select helpers ------------------------------
test_that("data_remove regex", {
expect_identical(
names(data_remove(mtcars, select = "pg", regex = TRUE)),
names(mtcars[-(1)])
)
})
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