Remove dependencies on maptools and rgeos (#2297)

DESCRIPTION

@@ -65,14 +65,13 @@ Suggests:
     webshot,
     listviewer,
     dendextend,
-    maptools,
-    rgeos,
     sf,
     png,
     IRdisplay,
     processx,
     plotlyGeoAssets,
     forcats,
+    withr,
     palmerpenguins,
     rversions,
     reticulate,

tests/testthat/test-animate-highlight.R

@@ -436,6 +436,7 @@ test_that("animation button can be customized", {
 test_that("sf works with crosstalk", {
   skip_if_not_installed("sf")
   skip_if_not_installed("s2")
+  skip_if_not_installed("ggthemes")
 
   nc <- sf::st_read(system.file("shape/nc.shp", package = "sf"), quiet = TRUE)
   # shared data will make the polygons "query-able"

tests/testthat/test-ggplot-date.R

@@ -1,13 +1,14 @@
 
 
 test_that("datetimes are converted to e.g. 2013-01-02 05:00:00", {
+  withr::local_locale(c("LC_TIME" = "en_US"))
   in.str <- c("17 Mar 1983 06:33:44 AM",
-                "17 Mar 1984 01:59:55 PM")
+              "17 Mar 1984 01:59:55 PM")
   time.obj <- strptime(in.str, "%d %b %Y %I:%M:%S %p")
   out.str <- strftime(time.obj, "%Y-%m-%d %H:%M:%S")
   df <- rbind(data.frame(who = "me", time.obj, dollars = c(1.1, 5.6)),
               data.frame(who = "you", time.obj, dollars = c(10.2, 0)))
-  gg <- qplot(time.obj, dollars, data = df, color = who, geom = "line")
+  gg <- ggplot(aes(time.obj, dollars, color = who), data = df) + geom_line()
   info <- expect_doppelganger_built(gg, "date-strings")
   expect_equivalent(length(info$data), 2)
   for(trace in info$data[1:2]){

tests/testthat/test-ggplot-hex.R

@@ -1,19 +1,22 @@
 d <- ggplot(diamonds, aes(carat, price))
 
 test_that("geom_hex", {
+  skip_if_not_installed("hexbin")
   g <- d + geom_hex()
   l <- expect_doppelganger_built(g, "hex-basic")
   expect_true(length(l$data) > 1)
 })
 
 
 test_that("geom_hex with bins", {
+  skip_if_not_installed("hexbin")
   g <- d + geom_hex(bins = 10)
   l <- expect_doppelganger_built(g, "hex-bins")
   expect_true(length(l$data) > 1)
 })
 
 test_that("geom_hex with binwidth", {
+  skip_if_not_installed("hexbin")
   g <- d + geom_hex(binwidth = c(1, 1000))
   l <- expect_doppelganger_built(g, "hex-binwidth")
   expect_true(length(l$data) > 1)

tests/testthat/test-ggplot-sf.R

@@ -90,6 +90,7 @@ test_that("sf aspect ratio is correct", {
 test_that("works with a blank theme", {
   skip_if_not_installed("sf")
   skip_if_not_installed("s2")
+  skip_if_not_installed("ggthemes")
 
   nc <- sf::st_read(system.file("shape/nc.shp", package = "sf"), quiet = TRUE)
   p <- ggplot(nc) + geom_sf() + 

tests/testthat/test-plotly-sf.R

@@ -96,8 +96,6 @@ test_that("Can plot sfc with a missing crs", {
 
 test_that("plot_ly() defaults to blank axes", {
   skip_if_not_installed("sf")
-  skip_if_not_installed("maptools")
-  skip_if_not_installed("rgeos")
 
   m <- sf::st_as_sf(maps::map("world", plot = FALSE, fill = TRUE))