R Under development (unstable) (2026-04-25 r89962 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(cgvR)
cgvR was installed in STUB mode (no Vulkan support).
Reason: failed to extract datoviz.dll (unzip missing?)
Native rendering APIs (cgv_viewer, cgv_run, ...) will raise an error.
Install the Vulkan SDK + GLFW3 and reinstall cgvR for full functionality.
> 
> # Tests requiring a real display + Vulkan device (window creation, camera,
> # graph upload, recording). Skipped on CRAN since CRAN build machines are
> # headless and lack a usable Vulkan ICD; also skipped when cgvR was installed
> # in stub mode (no Vulkan support). Run locally via devtools::test() with
> # NOT_CRAN=true and a full build.
> heavy <- c(
+   "viewer",
+   "camera",
+   "graph",
+   "background",
+   "record"
+ )
> 
> on_cran <- !identical(Sys.getenv("NOT_CRAN"), "true")
> 
> test_dir <- if (dir.exists("testthat")) "testthat" else "tests/testthat"
> 
> if (on_cran) {
+   message("--- RUNNING LIGHT TESTS ONLY ---")
+ 
+   all_tests <- list.files(test_dir, pattern = "^test-.*\\.R$")
+   all_names <- sub("^test-(.*)\\.R$", "\\1", all_tests)
+ 
+   light_tests <- setdiff(all_names, heavy)
+   message("Tests to run: ", paste(light_tests, collapse = ", "))
+ 
+   if (length(light_tests) == 0) {
+     test_check("cgvR")
+   } else {
+     filter_regex <- paste(light_tests, collapse = "|")
+     test_check("cgvR", filter = filter_regex)
+   }
+ } else {
+   test_check("cgvR")
+ }
--- RUNNING LIGHT TESTS ONLY ---
Tests to run: layout, stub, validation
[ FAIL 0 | WARN 0 | SKIP 6 | PASS 50 ]

══ Skipped tests (6) ═══════════════════════════════════════════════════════════
• cgvR is a stub build (no Vulkan) (6): 'test-layout.R:67:3',
  'test-layout.R:76:3', 'test-layout.R:84:3', 'test-layout.R:95:3',
  'test-layout.R:103:3', 'test-layout.R:111:3'

[ FAIL 0 | WARN 0 | SKIP 6 | PASS 50 ]
> 
> proc.time()
   user  system elapsed 
   1.67    0.50    2.17