for (keller-mark#40)

dblodgett-usgs · Jun 1, 2024 · 4bd118a · 4bd118a
1 parent 1681e6f
commit 4bd118a
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diff --git a/tests/testthat/setup-utils.R b/tests/testthat/setup-utils.R
@@ -4,3 +4,23 @@ setup({
 teardown({
 
 })
+
+zarr_volcano <- function() {
+  dir <- file.path(tempdir(TRUE), "volcano.zarr")
+
+  unlink(dir, recursive = TRUE, force = TRUE)
+
+  z <- DirectoryStore$new(dir)
+
+  a <- volcano
+
+  za <- zarr_create(dim(volcano), path = "volcano", store = z, overwrite = TRUE)
+
+  za$set_item("...", a)
+
+  g <- zarr_open_group(z)
+
+  g$get_attrs()$set_item("tile", "volcano")
+
+  g
+}
diff --git a/tests/testthat/test-s3.R b/tests/testthat/test-s3.R
@@ -76,3 +76,14 @@ test_that("S3 methods of Zarr object", {
     #Converting Zarr to array
     expect_equal(as.array(z), a)
 })
+
+test_that("Zarr Array can be accessed with ", {
+  g <- zarr_volcano()
+
+  a <- g$get_item("volcano")
+
+  sub <- a[1:10,1]
+
+  expect_equal(class(sub), c("NestedArray", "R6"))
+  expect_equal(dim(sub$as.array()), 10, 1)
+})