google-auth-library-ruby/spec/googleauth/get_application_default_spe...

135 lines
4.7 KiB
Ruby

# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
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# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
spec_dir = File.expand_path(File.join(File.dirname(__FILE__)))
$LOAD_PATH.unshift(spec_dir)
$LOAD_PATH.uniq!
require 'faraday'
require 'googleauth'
require 'spec_helper'
describe '#get_application_default' do
before(:example) do
@key = OpenSSL::PKey::RSA.new(2048)
@var_name = ServiceAccountCredentials::ENV_VAR
@orig = ENV[@var_name]
@home = ENV['HOME']
@scope = 'https://www.googleapis.com/auth/userinfo.profile'
end
after(:example) do
ENV[@var_name] = @orig unless @orig.nil?
ENV['HOME'] = @home unless @home == ENV['HOME']
end
def cred_json_text
cred_json = {
private_key_id: 'a_private_key_id',
private_key: @key.to_pem,
client_email: 'app@developer.gserviceaccount.com',
client_id: 'app.apps.googleusercontent.com',
type: 'service_account'
}
MultiJson.dump(cred_json)
end
it 'fails if the GOOGLE_APPLICATION_CREDENTIALS path does not exist' do
Dir.mktmpdir do |dir|
key_path = File.join(dir, 'does-not-exist')
ENV[@var_name] = key_path
expect { Google::Auth.get_application_default(@scope) }.to raise_error
end
end
it 'succeeds if the GOOGLE_APPLICATION_CREDENTIALS file is valid' do
Dir.mktmpdir do |dir|
key_path = File.join(dir, 'my_cert_file')
FileUtils.mkdir_p(File.dirname(key_path))
File.write(key_path, cred_json_text)
ENV[@var_name] = key_path
expect(Google::Auth.get_application_default(@scope)).to_not be_nil
end
end
it 'succeeds with default file if GOOGLE_APPLICATION_CREDENTIALS is unset' do
ENV.delete(@var_name) unless ENV[@var_name].nil?
Dir.mktmpdir do |dir|
key_path = File.join(dir, '.config',
ServiceAccountCredentials::WELL_KNOWN_PATH)
FileUtils.mkdir_p(File.dirname(key_path))
File.write(key_path, cred_json_text)
ENV['HOME'] = dir
expect(Google::Auth.get_application_default(@scope)).to_not be_nil
end
end
it 'fails without default file or env if not on compute engine' do
stubs = Faraday::Adapter::Test::Stubs.new do |stub|
stub.get('/') do |_env|
[404,
{ 'Metadata-Flavor' => 'Google' },
'']
end
end # GCE not detected
Dir.mktmpdir do |dir|
ENV.delete(@var_name) unless ENV[@var_name].nil? # no env var
ENV['HOME'] = dir # no config present in this tmp dir
c = Faraday.new do |b|
b.adapter(:test, stubs)
end
blk = proc do
Google::Auth.get_application_default(@scope, connection: c)
end
expect(&blk).to raise_error
end
stubs.verify_stubbed_calls
end
it 'succeeds without default file or env if on compute engine' do
stubs = Faraday::Adapter::Test::Stubs.new do |stub|
stub.get('/') do |_env|
[200,
{ 'Metadata-Flavor' => 'Google' },
'']
end
end # GCE detected
Dir.mktmpdir do |dir|
ENV.delete(@var_name) unless ENV[@var_name].nil? # no env var
ENV['HOME'] = dir # no config present in this tmp dir
c = Faraday.new do |b|
b.adapter(:test, stubs)
end
expect(Google::Auth.get_application_default(@scope,
connection: c)).to_not be_nil
end
stubs.verify_stubbed_calls
end
end