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# Copyright:: Copyright (c) Chef Software Inc.
# License:: Apache License, Version 2.0
#
# Licensed 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.
#
CHEF_SPEC_DATA = File.expand_path(__dir__ + "/../data/")
CHEF_SPEC_ASSETS = File.expand_path(__dir__ + "/../functional/assets/")
CHEF_SPEC_BACKUP_PATH = File.join(Dir.tmpdir, "test-backup-path")
def sha256_checksum(path)
OpenSSL::Digest.hexdigest("SHA256", File.read(path))
end
# extracted from Ruby < 2.5 to return a unique temp file name without creating it
def make_tmpname(prefix_suffix, n = nil)
case prefix_suffix
when String
prefix = prefix_suffix
suffix = ""
when Array
prefix = prefix_suffix[0]
suffix = prefix_suffix[1]
else
raise ArgumentError, "unexpected prefix_suffix: #{prefix_suffix.inspect}"
end
t = Time.now.strftime("%Y%m%d")
path = "#{prefix}#{t}-#{$$}-#{rand(0x100000000).to_s(36)}"
path << "-#{n}" if n
path << suffix
end
# This is a helper to determine if the ruby in the PATH contains
# win32/service gem. windows_service_manager tests create a windows
# service that starts with the system ruby and requires this gem.
def system_windows_service_gem?
windows_service_gem_check_command = %{ruby -r "win32/daemon" -e ":noop" > #{File::NULL} 2>&1}
if defined?(Bundler)
Bundler.with_unbundled_env do
# This returns true if the gem can be loaded
system(windows_service_gem_check_command)
end
else
# This returns true if the gem can be loaded
system(windows_service_gem_check_command)
end
end
# This is a helper to canonicalize paths that we're using in the file
# tests.
def canonicalize_path(path)
windows? ? path.tr("/", '\\') : path
end
# Makes a temp directory with a canonical path on any platform.
# Only really needed to work around an issue on Windows where
# Ruby's temp library generates paths with short names.
def make_canonical_temp_directory
temp_directory = Dir.mktmpdir
if windows?
# On Windows, temporary file / directory path names may have shortened
# subdirectory names due to reliance on the TMP and TEMP environment variables
# in some Windows APIs and duplicated logic in Ruby's temp file implementation.
# To work around this in the unit test context, we obtain the long (canonical)
# path name via a Windows system call so that this path name can be used
# in expectations that assume the ability to canonically name paths in comparisons.
# Note that this was not an issue prior to Ruby 2.2 -- with Ruby 2.2,
# some Chef code started to use long file names, while Ruby's temp file implementation
# continued to return the shortened names -- this would cause these particular tests to
# fail if the username happened to be longer than 8 characters.
Chef::ReservedNames::Win32::File.get_long_path_name(temp_directory)
else
temp_directory
end
end
# Check if a cmd exists on the PATH
def which(cmd)
paths = ENV["PATH"].split(File::PATH_SEPARATOR) + [ "/bin", "/usr/bin", "/sbin", "/usr/sbin" ]
paths.each do |path|
filename = File.join(path, cmd)
return filename if File.executable?(filename)
end
false
end
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