Nothing
test_that("append manages current snapshot index", {
path <- withr::local_tempdir()
snaps <- FileSnaps$new(path, "file")
i <- snaps$append("test1", "_default", 1)
expect_equal(i, 1)
i <- snaps$append("test1", "_default", 2)
expect_equal(i, 2)
i <- snaps$append("test1", "windows", 3)
expect_equal(i, 1)
i <- snaps$append("test1", "windows", 3)
expect_equal(i, 2)
i <- snaps$append("test2", "_default", 3)
expect_equal(i, 1)
})
test_that("can retrieve appended snaps", {
snaps <- FileSnaps$new(withr::local_tempdir(), "file")
snaps$append("test1", "_default", "1")
snaps$append("test1", "_default", "2")
snaps$append("test2", "_default", "3")
snaps$append("test2", "windows", "4")
expect_equal(snaps$get("test1", "_default", 2), "2")
expect_equal(snaps$get("test2", "_default", 1), "3")
expect_equal(snaps$get("test2", "windows", 1), "4")
# Returns NULL if don't exist
expect_equal(snaps$get("MISSING", "_default", 1), NULL)
expect_equal(snaps$get("test1", "MISSING", 1), NULL)
expect_equal(snaps$get("test1", "_default", 100), NULL)
})
test_that("can reset snapshots", {
snaps1 <- FileSnaps$new(withr::local_tempdir(), "file")
snaps2 <- FileSnaps$new(withr::local_tempdir(), "file")
snaps1$append("test1", "_default", "1")
snaps1$append("test1", "_default", "2")
snaps1$append("test2", "_default", "3")
snaps2$append("test1", "_default", "4")
snaps2$reset("test1", snaps1)
expect_equal(snaps2$snaps$`_default`$test1, c("4", "2"))
# And can copy complete snapshot
snaps2$reset("test2", snaps1)
expect_equal(snaps2$snaps$`_default`$test2, "3")
# And shouldn't change if we reset again
snaps2$reset("test1", snaps1)
expect_equal(snaps2$snaps$`_default`$test1, c("4", "2"))
})
test_that("can round trip cur to old snaps", {
path <- withr::local_tempdir()
cur <- FileSnaps$new(path, "file", "cur")
cur$append("test1", "_default", "1")
cur$append("test2", "_default", "2")
cur$append("test2", "windows", "3")
cur$write()
old <- FileSnaps$new(path, "file", "old")
expect_equal(cur$snaps, old$snaps)
})
test_that("snaps delete default variant if no snaps", {
snaps <- FileSnaps$new(withr::local_tempdir(), "file", "cur")
brio::write_lines("x", snaps$path())
snaps$write()
expect_false(file.exists(snaps$path()))
})
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.