ruby-devise-two-factor ftbfs on Xenial

[Julia Sarris]

The Xenial version of the ruby-devise-two-factor package FTBFS. You can apply a patch like the below in order to make it build:

Index: ruby-devise-two-factor-2.0.0/spec/devise/models/two_factor_authenticatable_spec.rb
===================================================================
--- ruby-devise-two-factor-2.0.0.orig/spec/devise/models/two_factor_authenticatable_spec.rb
+++ ruby-devise-two-factor-2.0.0/spec/devise/models/two_factor_authenticatable_spec.rb
@@ -2,10 +2,13 @@ require 'spec_helper'
 require 'active_model'

 class TwoFactorAuthenticatableDouble
+ extend ::ActiveModel::Callbacks
   include ::ActiveModel::Validations::Callbacks
   extend ::Devise::Models

- devise :two_factor_authenticatable, :otp_secret_encryption_key => 'test-key'
+ define_model_callbacks :update, only: [:after]
+
+ devise :two_factor_authenticatable, :otp_secret_encryption_key => 'test-key'*8

   attr_accessor :consumed_timestep

@@ -13,6 +16,11 @@ class TwoFactorAuthenticatableDouble
     # noop for testing
     true
   end
+
+ def after_update
+ # noop for testing
+ true
+ end
 end

 describe ::Devise::Models::TwoFactorAuthenticatable do
Index: ruby-devise-two-factor-2.0.0/spec/devise/models/two_factor_backupable_spec.rb
===================================================================
--- ruby-devise-two-factor-2.0.0.orig/spec/devise/models/two_factor_backupable_spec.rb
+++ ruby-devise-two-factor-2.0.0/spec/devise/models/two_factor_backupable_spec.rb
@@ -1,13 +1,21 @@
 require 'spec_helper'

 class TwoFactorBackupableDouble
+ extend ::ActiveModel::Callbacks
   include ::ActiveModel::Validations::Callbacks
   extend ::Devise::Models

+ define_model_callbacks :update, only: [:after]
+
   devise :two_factor_authenticatable, :two_factor_backupable,
          :otp_secret_encryption_key => 'test-key'

   attr_accessor :otp_backup_codes
+
+ def after_update
+ # noop for testing
+ true
+ end
 end

 describe ::Devise::Models::TwoFactorBackupable do

~~~

However, if you do and you attempt to load it into irb, this failure occurs:

julia-phoebe@esm-xenial-amd64:~$ sudo apt-get install ruby-devise-two-factor=2.0.0-1
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
  distro-info libexpat1-dev libpython3-dev libpython3.5-dev python-pip-whl
Use 'sudo apt autoremove' to remove them.
The following NEW packages will be installed:
  ruby-devise-two-factor
0 upgraded, 1 newly installed, 0 to remove and 11 not upgraded.
Need to get 0 B/11.2 kB of archives.
After this operation, 47.1 kB of additional disk space will be used.
Selecting previously unselected package ruby-devise-two-factor.
(Reading database ... 233841 files and directories currently installed.)
Preparing to unpack .../ruby-devise-two-factor_2.0.0-1_all.deb ...
Unpacking ruby-devise-two-factor (2.0.0-1) ...
Setting up ruby-devise-two-factor (2.0.0-1) ...
julia-phoebe@esm-xenial-amd64:~$ irb
irb(main):001:0> require 'devise-two-factor'
LoadError: cannot load such file -- active_model/version
 from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
 from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
 from /usr/lib/ruby/vendor_ruby/active_support/dependencies.rb:274:in `block in require'
 from /usr/lib/ruby/vendor_ruby/active_support/dependencies.rb:240:in `load_dependency'
 from /usr/lib/ruby/vendor_ruby/active_support/dependencies.rb:274:in `require'
 from /usr/share/rubygems-integration/all/gems/devise-3.5.6/lib/devise/models/authenticatable.rb:1:in `<top (required)>'
 from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
 from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
 from /usr/lib/ruby/vendor_ruby/active_support/dependencies.rb:274:in `block in require'
 from /usr/lib/ruby/vendor_ruby/active_support/dependencies.rb:240:in `load_dependency'
 from /usr/lib/ruby/vendor_ruby/active_support/dependencies.rb:274:in `require'
 from /usr/share/rubygems-integration/all/gems/devise-3.5.6/lib/devise/models.rb:119:in `<top (required)>'
 from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
 from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
 from /usr/lib/ruby/vendor_ruby/active_support/dependencies.rb:274:in `block in require'
 from /usr/lib/ruby/vendor_ruby/active_support/dependencies.rb:240:in `load_dependency'
 from /usr/lib/ruby/vendor_ruby/active_support/dependencies.rb:274:in `require'
 from /usr/share/rubygems-integration/all/gems/devise-3.5.6/lib/devise.rb:496:in `<top (required)>'
 from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:127:in `require'
 from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:127:in `rescue in require'
 from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:40:in `require'
 from /usr/lib/ruby/vendor_ruby/devise-two-factor.rb:1:in `<top (required)>'
 from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
 from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
 from (irb):1
 from /usr/bin/irb:11:in `<main>'
irb(main):002:0>