Freshen up the tests around crashing

tests/testthat/_snaps/reprex.md

@@ -10,9 +10,26 @@
 # reprex() errors for an R crash, by default
 
     Code
-      code <- "utils::getFromNamespace(\"crash\", \"callr\")()\n"
+      code <- "rlang::node_car(0)\n"
       reprex(input = code)
     Condition
       Error in `reprex_render()`:
       ! This reprex appears to crash R. Call `reprex()` again with `std_out_err = TRUE` to get more info.
 
+# reprex() copes with an R crash, when `std_out_err = TRUE`
+
+    Code
+      out
+    Output
+      [1] "This reprex appears to crash R."
+      [2] "See standard output and standard error for more details."
+      [3] ""
+      [4] "#### Standard output and error"
+      [5] ""
+      [6] "``` sh"
+      [7] ""
+      [8] " *** caught segfault ***"
+      [9] "address 0x1, cause 'CAUSE'"
+      [10] ""
+      [11] "Traceback:"
+

tests/testthat/test-reprex.R

@@ -61,19 +61,29 @@ test_that("reprex() works even if user uses fancy quotes", {
 })
 
 test_that("reprex() errors for an R crash, by default", {
+  skip_on_cran()
   expect_snapshot(error = TRUE, {
-    code <- 'utils::getFromNamespace("crash", "callr")()\n'
+    code <- 'rlang::node_car(0)\n'
     reprex(input = code)
   })
 })
 
 test_that("reprex() copes with an R crash, when `std_out_err = TRUE`", {
-  code <- 'utils::getFromNamespace("crash", "callr")()\n'
+  skip_on_cran()
+  code <- 'rlang::node_car(0)\n'
   expect_no_error(
     out <- reprex(input = code, std_out_err = TRUE)
   )
+
   skip_on_os("windows")
-  expect_match(out, "crash", all = FALSE)
-  expect_match(out, "segfault", all = FALSE)
-  expect_match(out, "Traceback", all = FALSE)
+
+  scrubber <- function(x) {
+    # I don't want to snapshot the actual traceback
+    out <- x[seq_len(min(grep("Traceback", x)))]
+    # on macOS and windows, cause is 'invalid permissions'
+    # on ubuntu, cause is 'memory not mapped'
+    trimws(sub("cause '.*'", "cause 'CAUSE'", out))
+  }
+
+  expect_snapshot(out, transform = scrubber)
 })