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# data_arrange -----------------------------------
test_that("data_arrange, attributes preserved", {
# if dplyr:::`[.grouped_df` in the environment it destroys the attributes
# (only occurs when we run tests in random order)
skip_if("[.grouped_df" %in% methods(`[`))
x <- mtcars
attr(x, "myattri") <- "I'm here"
x2 <- data_arrange(data_group(x, "cyl"), "hp")
expect_identical(attr(x2, "myattri", exact = TRUE), "I'm here")
})
# rescale -----------------------------------
test_that("rescale, attributes preserved", {
x <- iris
attr(x, "myattri") <- "I'm here"
x2 <- rescale(data_group(x, "Species"), 1:3)
expect_identical(attr(x2, "myattri", exact = TRUE), "I'm here")
})
# center -----------------------------------
test_that("center, attributes preserved", {
x <- iris
attr(x, "myattri") <- "I'm here"
x2 <- center(data_group(x, "Species"), "Sepal.Width")
expect_identical(attr(x2, "myattri", exact = TRUE), "I'm here")
})
# categorize -----------------------------------
test_that("categorize, attributes preserved", {
x <- iris
attr(x, "myattri") <- "I'm here"
x2 <- categorize(data_group(x, "Species"), "Sepal.Width")
expect_identical(attr(x2, "myattri", exact = TRUE), "I'm here")
})
# standardize -----------------------------------
test_that("standardize, attributes preserved", {
x <- iris
attr(x, "myattri") <- "I'm here"
x2 <- standardize(data_group(x, "Species"), "Sepal.Width")
expect_identical(attr(x2, "myattri", exact = TRUE), "I'm here")
})
# filter -----------------------------------
test_that("filter, attributes preserved", {
# if dplyr:::`[.grouped_df` in the environment it destroys the attributes
# (only occurs when we run tests in random order)
skip_if("[.grouped_df" %in% methods(`[`))
test <- data.frame(
id = c(1, 1, 2, 2),
x = c(0, 1, 3, 4)
)
attr(test, "myattri") <- "I'm here"
test2 <- data_filter(data_group(test, "id"), x == min(x))
expect_identical(attr(test2, "myattri", exact = TRUE), "I'm here")
})
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