Nothing
context("utils")
# Input data --------------------------------------------------------------
df <- mtcars
# dots_remove_elements ----------------------------------------------------
test_that("dots_remove_elements works", {
input <- list(a = 1, b = "b", c = TRUE, x = quo(x), 1.3)
output_1 <- dots_remove_elements(!!! input)
output_ref_1 <- quos(!!! input)
expect_identical(output_1, output_ref_1)
output_2 <- dots_remove_elements(!!! input, .elements = c("a", "x"))
output_ref_2 <- quos(!!! input)[c(2, 3, 5)]
expect_identical(output_2, output_ref_2)
})
# add_class ---------------------------------------------------------------
test_that("add_class works", {
expect_equal(class(add_class(df, "some")), c("some", "data.frame"))
})
# add_class_cond ----------------------------------------------------------
test_that("add_class_cond works", {
expect_equal(class(add_class_cond(df, "data.frame")), "data.frame")
expect_equal(class(add_class_cond(df, "some")), c("some", "data.frame"))
})
# remove_class ------------------------------------------------------------
test_that("remove_class works", {
class(df) <- c("some", "data.frame")
expect_equal(class(remove_class(df)), "data.frame")
})
# remove_class_cond -------------------------------------------------------
test_that("remove_class_cond works", {
class(df) <- c("some", "data.frame")
expect_equal(class(remove_class_cond(df, "some")), "data.frame")
expect_equal(class(remove_class_cond(df, "another")),
c("some", "data.frame"))
})
# diff_tbl ----------------------------------------------------------------
test_that("diff_tbl works", {
df_1 <- data.frame(x = 1:10, y = 2:11)
df_2 <- data.frame(y = 3:12, z = 4:13)
expect_identical(diff_tbl(df_1, df_2), data.frame(x = df_1$x))
expect_silent(output_2 <- diff_tbl(df_1, df_1))
expect_equal(dim(output_2), c(nrow(df_1), 0))
})
test_that("diff_tbl preserves class of .tbl1", {
df_1 <- data.frame(x = 1:10, y = 2:11)
df_2 <- tibble(y = 3:12, z = 4:13)
expect_identical(diff_tbl(df_1, df_2), data.frame(x = df_1$x))
df_3 <- tibble(x = 1:10, y = 2:11)
df_4 <- data.frame(y = 3:12, z = 4:13)
expect_identical(diff_tbl(df_3, df_4), tibble(x = df_1$x))
})
# assign_tbl --------------------------------------------------------------
test_that("assign_tbl works", {
df_1 <- data.frame(y = 2:11, x = 1:10)
df_2 <- data.frame(y = 3:12, z = letters[1:10], stringsAsFactors = FALSE)
output <- assign_tbl(df_1, df_2)
output_ref <- data.frame(y = df_2$y, x = df_1$x, z = df_2$z,
stringsAsFactors = FALSE)
expect_identical(output, output_ref)
})
test_that("assign_tbl preserves class of .tbl1", {
df_1 <- tibble(y = 2:11, x = 1:10)
df_2 <- data.frame(y = 3:12, z = letters[1:10], stringsAsFactors = FALSE)
output_1 <- assign_tbl(df_1, df_2)
output_ref_1 <- tibble(y = df_2$y, x = df_1$x, z = df_2$z)
expect_identical(output_1, output_ref_1)
df_3 <- data.frame(y = 2:11, x = 1:10)
df_4 <- tibble(y = 3:12, z = letters[1:10])
output_2 <- assign_tbl(df_3, df_4)
output_ref_2 <- data.frame(y = df_4$y, x = df_3$x, z = df_4$z,
stringsAsFactors = FALSE)
expect_identical(output_2, output_ref_2)
})
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