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test_that("The grid can be controlled", {
expect_doppelganger('Setting ncol', {
p1 + p2 + p3 + p4 + plot_layout(ncol = 3)
})
expect_doppelganger('Setting nrow', {
p1 + p2 + p3 + p4 + plot_layout(nrow = 3)
})
expect_doppelganger('Setting widths', {
p1 + p2 + p3 + p4 + plot_layout(widths = c(1, 2))
})
expect_doppelganger('Setting heights', {
p1 + p2 + p3 + p4 + plot_layout(heights = c(1, 2))
})
expect_doppelganger('Setting widths as units', {
p1 + p2 + p3 + p4 + plot_layout(widths = grid::unit(3, "cm"))
})
expect_doppelganger('Setting heights as units', {
p1 + p2 + p3 + p4 + plot_layout(heights = grid::unit(3, "cm"))
})
})
test_that("Fixed aspect plots behave", {
p_f <- ggplot(mtcars) +
geom_point(aes(hp, disp)) +
coord_fixed() +
ggtitle('Fixed Aspect')
expect_doppelganger('FAR optimise space by default 1', {
p1 + p_f + p3 + p4
})
expect_doppelganger('FAR optimise space by default 2', {
p1 + p_f + p_f + p4
})
expect_doppelganger('FAR optimise space by default 3', {
p_f + p_f + p3 + p4
})
expect_doppelganger('FAR space optimisation can be turned off', {
p1 + p2 + p_f + p4 + plot_layout(widths = 1)
})
expect_doppelganger('FAR dimensions can be set with units:...', {
p1 + p2 + p_f + plot_layout(widths = unit(c(1, 3, -1), c('null', 'cm', 'null')))
})
p_l1 <- ggplot(mtcars, aes(cyl, qsec, color=as.factor(vs))) +
geom_point()
p_l2 <- p_l1 + labs(color="a very looooooong legend title")
expect_doppelganger('FAR legend justification', {
p_l1 + p_l2 + plot_layout(ncol=1) & theme(legend.justification = "left", aspect.ratio=1)
})
})
test_that("Insets looks as they should", {
expect_doppelganger('Basic inset works', {
p1 + inset_element(p2, 0.6, 0.6, 1, 1)
})
expect_doppelganger('Other alignments work', {
p1 + inset_element(p2, 0, 0.6, 0.4, 1, align_to = 'full')
})
expect_doppelganger('Patchworks can be inset', {
p1 + inset_element(p2 / p3, 0, 0.6, 0.4, 1)
})
expect_doppelganger('Grobs can be inset', {
p1 + inset_element(grid::circleGrob(), 0, 0.6, 0.4, 1)
})
expect_doppelganger('insets can be changed', {
p1 + inset_element(p2, 0, 0.6, 0.4, 1) + theme_void()
})
})
test_that("various flavours of free() works", {
p5 <- ggplot(mtcars) +
geom_bar(aes(y = factor(gear), fill = factor(gear))) +
scale_y_discrete(
"",
labels = c("3 gears are often enough",
"But, you know, 4 is a nice number",
"I would def go with 5 gears in a modern car")
)
expect_doppelganger('Free panel works', {
p1 / free(p5, "panel")
})
expect_doppelganger('Free panel works on one side', {
p1 / free(p5, "panel", "l")
})
expect_doppelganger('Free label works', {
free(p1, "label") / p5
})
expect_doppelganger('Free space works', {
plot_spacer() + free(p5, "space", "l") + p1 + p1
})
expect_doppelganger('Free can be nested', {
p1 / free(p5 / free(p2, "label"), side = "l")
})
expect_doppelganger('Free can be stacked and nested', {
free(free(p1 + p2 + p3 + p4, "label", "l"), "panel", "t") - p4 + p5 + plot_spacer()
})
})
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