specs for ProviderBuilder

spec/requests/auth_plugins.rb

@@ -0,0 +1,102 @@
+#-- copyright
+# OpenProject is a project management system.
+# Copyright (C) 2012-2014 the OpenProject Foundation (OPF)
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2013 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# See doc/COPYRIGHT.rdoc for more details.
+#++
+
+require 'spec_helper'
+require 'open_project/auth_plugins'
+
+describe OpenProject::Plugins::AuthPlugin do
+
+  class MockEngine
+    extend OpenProject::Plugins::AuthPlugin
+  end
+
+  let(:strategies) { {} }
+  let(:providers_a) do
+    lambda { [{name: 'a1'}, {name: 'a2'}] }
+  end
+  let(:providers_b) do
+    lambda { [{name: 'b1'}] }
+  end
+  let(:providers_c) do
+    lambda { [{name: 'c1'}] }
+  end
+
+  let(:middlewares) { [] }
+
+  before do
+    app = Object.new
+    omniauth_builder = Object.new
+
+    allow(omniauth_builder).to receive(:provider) { |strategy|
+      middlewares << strategy
+    }
+
+    app.stub_chain(:config, :middleware, :use) { |mw, &block|
+      omniauth_builder.instance_eval(&block)
+    }
+
+    allow(OpenProject::Plugins::AuthPlugin).to receive(:strategies).and_return(strategies)
+    allow(MockEngine).to receive(:engine_name).and_return('foobar')
+    allow(MockEngine).to receive(:initializer) { |_, &block| app.instance_eval(&block) }
+  end
+
+  describe 'ProviderBuilder' do
+    before do
+      pa = providers_a.call
+      pb = providers_b.call
+      pc = providers_c.call
+
+      Class.new(MockEngine) do
+        register_auth_providers do
+          strategy :strategy_a do; pa; end
+          strategy :strategy_b do; pb; end
+        end
+      end
+
+      Class.new(MockEngine) do
+        register_auth_providers do
+          strategy :strategy_a do; pc; end
+        end
+      end
+    end
+
+    it 'should register all strategies' do
+      expect(strategies.keys.to_a).to eq [:strategy_a, :strategy_b]
+    end
+
+    it 'should register register each strategy (i.e. middleware) only once' do
+      expect(middlewares.size).to eq 2
+      expect(middlewares).to eq [:strategy_a, :strategy_b]
+    end
+
+    it 'should associate the correct providers with their respective strategies' do
+      expect(OpenProject::Plugins::AuthPlugin.providers_for(:strategy_a)).to eq [providers_a.call, providers_c.call].flatten
+      expect(OpenProject::Plugins::AuthPlugin.providers_for(:strategy_b)).to eq providers_b.call
+    end
+  end
+end