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

126 lines
5.1 KiB
Ruby

# Copyright 2015, Google Inc.
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#
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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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 = "http://169.254.169.254/computeMetadata/v1/instance/service-accounts/default/token".freeze
GCECredentials = Google::Auth::GCECredentials
before :example do
@client = GCECredentials.new
end
def make_auth_stubs opts = {}
access_token = opts[:access_token] || ""
body = MultiJson.dump("access_token" => access_token,
"token_type" => "Bearer",
"expires_in" => 3600)
stub_request(:get, MD_URI)
.with(headers: { "Metadata-Flavor" => "Google" })
.to_return(body: body,
status: 200,
headers: { "Content-Type" => "application/json" })
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
stub = stub_request(:get, MD_URI)
.to_return(status: 404,
headers: { "Metadata-Flavor" => "Google" })
expect { @client.fetch_access_token! }
.to raise_error Signet::AuthorizationError
expect(stub).to have_been_requested
end
it "should fail if the metadata request returns an unexpected code" do
stub = stub_request(:get, MD_URI)
.to_return(status: 503,
headers: { "Metadata-Flavor" => "Google" })
expect { @client.fetch_access_token! }
.to raise_error Signet::AuthorizationError
expect(stub).to have_been_requested
end
it "should fail with Signet::AuthorizationError if request times out" do
allow_any_instance_of(Faraday::Connection).to receive(:get)
.and_raise(Faraday::TimeoutError)
expect { @client.fetch_access_token! }
.to raise_error Signet::AuthorizationError
end
it "should fail with Signet::AuthorizationError if request fails" do
allow_any_instance_of(Faraday::Connection).to receive(:get)
.and_raise(Faraday::ConnectionFailed, nil)
expect { @client.fetch_access_token! }
.to raise_error Signet::AuthorizationError
end
end
end
describe "#on_gce?" do
it "should be true when Metadata-Flavor is Google" do
stub = stub_request(:get, "http://169.254.169.254")
.with(headers: { "Metadata-Flavor" => "Google" })
.to_return(status: 200,
headers: { "Metadata-Flavor" => "Google" })
expect(GCECredentials.on_gce?({}, true)).to eq(true)
expect(stub).to have_been_requested
end
it "should be false when Metadata-Flavor is not Google" do
stub = stub_request(:get, "http://169.254.169.254")
.with(headers: { "Metadata-Flavor" => "Google" })
.to_return(status: 200,
headers: { "Metadata-Flavor" => "NotGoogle" })
expect(GCECredentials.on_gce?({}, true)).to eq(false)
expect(stub).to have_been_requested
end
it "should be false if the response is not 200" do
stub = stub_request(:get, "http://169.254.169.254")
.with(headers: { "Metadata-Flavor" => "Google" })
.to_return(status: 404,
headers: { "Metadata-Flavor" => "NotGoogle" })
expect(GCECredentials.on_gce?({}, true)).to eq(false)
expect(stub).to have_been_requested
end
end
end