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|
local_load_all_quiet()
test_that("Package root and subdirectory is working directory when loading", {
expect_message(load_all("testLoadDir"), "[|].*/testLoadDir[|]")
expect_message(
load_all(file.path("testLoadDir", "R")),
"[|].*/testLoadDir[|]"
)
})
test_that("helpers are available after load_all", {
load_all("testLoadHelpers")
# object defined R/
expect_equal(baz, 1)
# object defined in a helper
expect_equal(foo, 1)
# object defined in helper, referencing lazy data object mtcars2
expect_equal(head_mtcars, head(mtcars2))
# object defined in helper using explicitly qualified package name
expect_equal(helper_baz, baz)
unload("testLoadHelpers")
})
test_that("`quiet` argument works (#213)", {
expect_message(
load_all(test_path("testLoadHelpers"), quiet = FALSE),
"Loading"
)
expect_no_message(load_all(test_path("testLoadHelpers"), quiet = TRUE))
})
test_that("warn_if_conflicts warns for conflicts and both objects are functions", {
e1 <- new.env(parent = emptyenv())
e2 <- new.env(parent = emptyenv())
e1$foo <- function() "foo"
e2$bar <- function() "bar"
# no warning if no conflicts
expect_no_warning(warn_if_conflicts("pkg", e1, e2))
e2$foo <- function() "foo2"
# warning for a conflict
expect_snapshot({
(expect_warning(warn_if_conflicts("pkg", e1, e2)))
})
})
test_that("warn_if_conflicts does not warn for conflicts when one of the objects is not a function", {
e1 <- new.env(parent = emptyenv())
e2 <- new.env(parent = emptyenv())
e1$foo <- function() "foo"
e2$foo <- "foo"
expect_no_warning(warn_if_conflicts("pkg", e1, e2))
})
test_that("unloading or reloading forces bindings", {
forced <- FALSE
withCallingHandlers(
forced = function(...) forced <<- TRUE,
{
# Allow running test interactively
defer(unload("testLoadLazy"))
# On older R versions, `env_coalesce()` forces bindings
attach <- getRversion() >= "4.0.0"
load_all("testLoadLazy", attach = attach)
expect_false(forced)
load_all("testLoadLazy")
expect_true(forced)
}
)
})
test_that("unloading or reloading does not call active bindings", {
defer(unload("testActiveBindings"))
expect_no_error(load_all(test_path("testActiveBindings")))
})
test_that("reloading a package unloads deleted S3 methods", {
x <- structure(list(), class = "pkgload_foobar")
load_all("testS3removed")
expect_equal(as.character(x), "registered")
# Hold a reference to the generic in the currently loaded namespace
stale_generic <- testS3removed::my_generic
load_all("testS3removed2")
expect_equal(as.character(x), character())
# Still works because we don't unregister methods for the package
# being unloaded (r-lib/vctrs#1341)
expect_equal(stale_generic(x), "registered")
})
test_that("reloading a package reloads foreign methods (#163)", {
x <- structure(list(), class = "foreign_foobar")
load_all("testS3removed")
registerS3method(
"my_generic",
"foreign_foobar",
function(...) "OK",
envir = ns_env("testS3removed")
)
expect_equal(my_generic(x), "OK")
load_all("testS3removed")
expect_equal(my_generic(x), "OK")
})
test_that("reloading a package reloads own methods", {
x <- structure(list(), class = "pkgload_foobar")
load_all("testS3removed")
ns <- ns_env("testS3removed")
method <- function(...) "Not OK"
environment(method) <- ns
registerS3method(
"my_generic",
"pkgload_foobar",
method,
envir = ns
)
# `registerS3method()` doesn't seem to overwrite methods on older
# versions of R < 3.5.0.
if (is_installed("base", "3.5.0")) {
expect_equal(my_generic(x), "Not OK")
}
load_all("testS3removed")
expect_equal(my_generic(x), "registered")
})
test_that("load_all() errors when no DESCRIPTION found", {
withr::with_tempdir({
(expect_error(load_all(), class = "pkgload_no_desc"))
})
})
test_that("can load without attaching", {
load_all("testLoadAttach", attach = FALSE)
expect_false(is_attached("testLoadAttach"))
load_all("testLoadAttach", attach = TRUE)
expect_true(is_attached("testLoadAttach"))
})
test_that("internal functions exported to the search path are not imported in downstream packages", {
# This package has an internal function called `internal`
load_all(test_path("testLoadImportUpstream"))
# This package exports a function called `internal`
load_all(test_path("testLoadImportUpstreamAlt"))
# This package imports both packages above
expect_no_warning(
load_all(test_path("testLoadImportDownstream"))
)
})
|
