Nothing
d <- tibble::tribble(
~x, ~y, ~type, ~value,
1, 2, "a", 0,
2, 3, "a", 1,
3, 4, "a", 0,
1, 3, "b", 1,
2, 2, "b", 5,
1, 4, "c", 10,
3, 3, "c", 10
)
# test others -------------------------------------------------------------
test_that("merge_mapping() works", {
# If both are NULL, return an empty mapping (#84)
expect_equal(merge_mapping(geom_bar(), NULL), aes())
# If one is NULL, return the other one as is.
expect_equal(merge_mapping(geom_bar(aes(x = a)), NULL),
aes(x = a))
expect_equal(merge_mapping(geom_bar(), aes(x = a)),
aes(x = a))
# If both are not NULL, layer_mapping is used.
expect_equal(merge_mapping(geom_bar(aes(x = x, colour = b)), aes(colour = a, fill = c)),
aes(x = x, colour = b, fill = c))
# If the layer doesn't have fill aes, it is omitted.
expect_equal(merge_mapping(geom_line(aes(x = x, colour = b)), aes(colour = a, fill = c)),
aes(x = x, colour = b))
# Aesthetics that are required by stat also stays in mapping (Note that the orders are different)
m <- merge_mapping(geom_boxplot(aes(x, y, colour = b)), NULL)
expect_equal(m, aes(x, y, colour = b)[names(m)])
})
test_that("merge_data() works", {
# if oneare NULL, return the other one as is
expect_equal(merge_data(geom_bar(data = d), waiver()), d)
expect_equal(merge_data(geom_bar(), d), d)
})
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