Merge pull request #274 + fix to use FakeFS to avoid flakey test

spec/google/api_client/client_secrets_spec.rb

@@ -48,6 +48,13 @@ RSpec.describe Google::APIClient::ClientSecrets do
         expect(hash["installed"]["client_secret"]).to be == 'i8YaXdGgiQ4_KrTVNGsB7QP1'
       end
 
+      it 'should remove empty value' do
+        expect(hash["installed"]["redirect_uris"]).to be nil
+      end
+
+      it 'should remove nil values' do
+        expect(hash["installed"]["issued_at"]).to be nil
+      end
     end
   end
 
@@ -72,4 +79,12 @@ RSpec.describe Google::APIClient::ClientSecrets do
       expect(secrets.client_id).to be == '898243283568.apps.googleusercontent.com'
     end
   end
+
+  context 'with folder wihout client_secrets.json' do
+    it "should raise exception", fakefs: true do
+      FileUtils.mkdir("/tmp")
+      expect { Google::APIClient::ClientSecrets.load('/tmp') }.to raise_exception(ArgumentError)
+    end
+  end
+
 end

spec/spec_helper.rb

@@ -43,6 +43,7 @@ end
 
 require 'rspec'
 require 'webmock/rspec'
+require 'fakefs/spec_helpers'
 require 'json_spec'
 require 'logging'
 require 'rspec/logging_helper'
@@ -53,6 +54,7 @@ require 'google/apis/core/base_service'
 # logs will be stored in the @log_output variable. It is a StringIO instance.
 RSpec.configure do |config|
   include RSpec::LoggingHelper
+  config.include FakeFS::SpecHelpers, fakefs: true
   config.include JsonSpec::Helpers
   config.include WebMock::API
   config.capture_log_messages