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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
skip_if_not_available("gcs")
test_that("FileSystem$from_uri with gs://", {
fs_and_path <- FileSystem$from_uri("gs://my/test/bucket/")
expect_r6_class(fs_and_path$fs, "GcsFileSystem")
expect_identical(fs_and_path$path, "my/test/bucket")
})
test_that("GcsFileSystem$create() options", {
expect_r6_class(GcsFileSystem$create(), "GcsFileSystem")
expect_r6_class(GcsFileSystem$create(anonymous = TRUE), "GcsFileSystem")
# Verify default options
expect_equal(
GcsFileSystem$create()$options,
list(
anonymous = FALSE,
scheme = "https",
retry_limit_seconds = 15
)
)
# Verify a more complete set of options round-trips
options <- list(
anonymous = TRUE,
endpoint_override = "localhost:8888",
scheme = "http",
default_bucket_location = "here",
retry_limit_seconds = 30,
default_metadata = c(a = "list", of = "stuff")
)
fs <- do.call(GcsFileSystem$create, options)
expect_r6_class(
fs,
"GcsFileSystem"
)
expect_equal(
fs$options,
options
)
# Expiration round-trips
options <- list(
expiration = as.POSIXct("2030-01-01", tz = "UTC"),
access_token = "MY_TOKEN"
)
fs <- do.call(GcsFileSystem$create, options)
expect_equal(fs$options$expiration, options$expiration)
# Verify create fails if expiration isn't a POSIXct
expect_error(
GcsFileSystem$create(access_token = "", expiration = ""),
"must be of class POSIXct, not"
)
})
test_that("GcsFileSystem$create() input validation", {
expect_error(
GcsFileSystem$create(anonymous = TRUE, access_token = "something"),
'Cannot specify "access_token" when anonymous = TRUE'
)
expect_error(
GcsFileSystem$create(expiration = Sys.time()),
"token auth requires both 'access_token' and 'expiration'"
)
expect_error(
GcsFileSystem$create(json_credentials = "{}", expiration = Sys.time()),
"Cannot provide access_token with json_credentials"
)
expect_error(
GcsFileSystem$create(role_arn = "something"),
'Invalid options for GcsFileSystem: "role_arn"'
)
})
test_that("GcsFileSystem$create() can read json_credentials", {
# From string
fs <- GcsFileSystem$create(json_credentials = "fromstring")
expect_equal(fs$options$json_credentials, "fromstring")
# From disk
cred_string <- '{"key" : "valu\u00e9"}'
cred_string_bytes_utf8 <- iconv(
cred_string,
from = Encoding(cred_string),
to = "UTF-8",
toRaw = TRUE
)[[1]]
cred_path <- tempfile()
on.exit(unlink(cred_path))
con <- file(cred_path, open = "wb")
writeBin(cred_string_bytes_utf8, con)
close(con)
fs <- GcsFileSystem$create(json_credentials = cred_path)
expect_equal(fs$options$json_credentials, "{\"key\" : \"valué\"}")
})
skip_on_cran()
skip_if_not(system("storage-testbench -h") == 0, message = "googleapis-storage-testbench is not installed.")
library(dplyr)
testbench_port <- Sys.getenv("TESTBENCH_PORT", "9001")
pid_minio <- sys::exec_background(
"storage-testbench",
c("--port", testbench_port),
std_out = FALSE,
std_err = FALSE # TODO: is there a good place to send output?
)
withr::defer(tools::pskill(pid_minio))
Sys.sleep(1) # Wait for startup
fs <- GcsFileSystem$create(
endpoint_override = sprintf("localhost:%s", testbench_port),
retry_limit_seconds = 1,
scheme = "http",
anonymous = TRUE, # Will fail to resolve host name if anonymous isn't TRUE
project_id = "test-project-id"
)
now <- as.character(as.numeric(Sys.time()))
tryCatch(fs$CreateDir(now), error = function(cond) {
if (grepl("Couldn't connect to server", cond, fixed = TRUE)) {
abort(
c(
sprintf("Unable to connect to testbench on port %s.", testbench_port),
i = "You can set a custom port with TESTBENCH_PORT environment variable."
),
parent = cond
)
} else {
stop(cond)
}
})
# Clean up when we're all done
withr::defer(fs$DeleteDir(now))
gcs_path <- function(...) {
paste(now, ..., sep = "/")
}
gcs_uri <- function(...) {
template <- paste0(
"gs://anonymous@%s?",
paste(
"scheme=http",
"endpoint_override=localhost%s%s",
"retry_limit_seconds=1",
"project_id=test-project-id",
sep = "&"
)
)
sprintf(template, gcs_path(...), "%3A", testbench_port)
}
test_filesystem("gcs", fs, gcs_path, gcs_uri)
withr::deferred_run()
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