Nothing
test_that("key_sequence gives appropriate errors", {
key <- key_sequence()
expect_error(
key(scale_x_discrete(), "x"),
"for discrete scales"
)
expect_error(
key_sequence(0)
)
})
test_that("key_bins works with discrete scales", {
skip_if(
"even.steps" %in% fn_fmls_names(parse_binned_breaks),
"Not implemented yet"
)
scale <- scale_x_discrete(limits = c("[0,1)", "[1,3)", "[3,4)"))
test <- key_bins(even.steps = TRUE, show.limits = TRUE)(scale, "x")
expect_equal(test$.label, as.character(c(0, 1, 3, 4)))
expect_equal(test$min, c(0:2, NA))
expect_equal(test$max, c(1:3, NA))
test <- key_bins(even.steps = FALSE, show.limits = TRUE)(scale, "x")
expect_equal(test$.label, as.character(c(0, 1, 3, 4)))
expect_equal(test$min, c(0, 1, 3, NA))
expect_equal(test$max, c(1, 3, 4, NA))
})
test_that("key_bins throws appropriate messages", {
key <- key_bins(show.limits = TRUE)
scale <- scale_x_continuous(
limits = c(0, 10),
breaks = c(2, 8),
labels = c("2", "8")
)
expect_warning(
key(scale, "x"),
"is ignored"
)
})
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