google-auth-library-ruby/spec/googleauth/compute_engine_spec.rb

146 lines
4.8 KiB
Ruby

# Copyright 2015, Google Inc.
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#
# 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
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# 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
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spec_dir = File.expand_path(File.join(File.dirname(__FILE__)))
$LOAD_PATH.unshift(spec_dir)
$LOAD_PATH.uniq!
require 'apply_auth_examples'
require 'faraday'
require 'googleauth/compute_engine'
require 'spec_helper'
describe Google::Auth::GCECredentials do
MD_URI = '/computeMetadata/v1/instance/service-accounts/default/token'
GCECredentials = Google::Auth::GCECredentials
before(:example) do
@client = GCECredentials.new
end
def make_auth_stubs(opts = {})
access_token = opts[:access_token] || ''
Faraday::Adapter::Test::Stubs.new do |stub|
stub.get(MD_URI) do |env|
headers = env[:request_headers]
expect(headers['Metadata-Flavor']).to eq('Google')
build_json_response(
'access_token' => access_token,
'token_type' => 'Bearer',
'expires_in' => 3600)
end
end
end
it_behaves_like 'apply/apply! are OK'
context 'metadata is unavailable' do
describe '#fetch_access_token' do
it 'should fail if the metadata request returns a 404' do
stubs = Faraday::Adapter::Test::Stubs.new do |stub|
stub.get(MD_URI) do |_env|
[404,
{ 'Metadata-Flavor' => 'Google' },
'']
end
end
c = Faraday.new do |b|
b.adapter(:test, stubs)
end
blk = proc { @client.fetch_access_token!(connection: c) }
expect(&blk).to raise_error Signet::AuthorizationError
stubs.verify_stubbed_calls
end
it 'should fail if metadata the request returns an unexpected codes' do
stubs = Faraday::Adapter::Test::Stubs.new do |stub|
stub.get(MD_URI) do |_env|
[503,
{ 'Metadata-Flavor' => 'Google' },
'']
end
end
c = Faraday.new do |b|
b.adapter(:test, stubs)
end
blk = proc { @client.fetch_access_token!(connection: c) }
expect(&blk).to raise_error Signet::AuthorizationError
stubs.verify_stubbed_calls
end
end
end
describe '#on_gce?' do
it 'should be true when Metadata-Flavor is Google' do
stubs = Faraday::Adapter::Test::Stubs.new do |stub|
stub.get('/') do |_env|
[200,
{ 'Metadata-Flavor' => 'Google' },
'']
end
end
c = Faraday.new do |b|
b.adapter(:test, stubs)
end
expect(GCECredentials.on_gce?(connection: c)).to eq(true)
stubs.verify_stubbed_calls
end
it 'should be false when Metadata-Flavor is not Google' do
stubs = Faraday::Adapter::Test::Stubs.new do |stub|
stub.get('/') do |_env|
[200,
{ 'Metadata-Flavor' => 'NotGoogle' },
'']
end
end
c = Faraday.new do |b|
b.adapter(:test, stubs)
end
expect(GCECredentials.on_gce?(connection: c)).to eq(false)
stubs.verify_stubbed_calls
end
it 'should be false if the response is not 200' do
stubs = Faraday::Adapter::Test::Stubs.new do |stub|
stub.get('/') do |_env|
[404,
{ 'Metadata-Flavor' => 'Google' },
'']
end
end
c = Faraday.new do |b|
b.adapter(:test, stubs)
end
expect(GCECredentials.on_gce?(connection: c)).to eq(false)
stubs.verify_stubbed_calls
end
end
end