Adding a method to unmock Fog. Addresses issue #594

lib/fog/core/mock.rb

@@ -6,6 +6,10 @@ module Fog
     @mocking = true
   end
 
+  def self.unmock!
+    @mocking = false
+  end
+
   def self.mock?
     @mocking
   end

tests/core/mocking_tests.rb

@@ -0,0 +1,60 @@
+Shindo.tests('Fog mocking', 'core') do
+  before do
+    @fog_was_mocked = Fog.mock?
+    Fog.unmock! if @fog_was_mocked
+  end
+
+  after do
+    Fog.mock! if @fog_was_mocked
+  end
+
+  tests('Fog.mock!') do
+    tests('Fog.mock!').returns(true) do
+      Fog.mock!
+    end
+
+    tests('Fog.mock? without Fog.mock!').returns(false) do
+      Fog.mock?
+    end
+
+    tests('Fog.mock? with Fog.mock!').returns(true) do
+      Fog.mock!
+      Fog.mock?
+    end
+
+    tests('Fog.mocking? without Fog.mock!').returns(false) do
+      Fog.mocking?
+    end
+
+    tests('Fog.mocking? with Fog.mock!').returns(true) do
+      Fog.mock!
+      Fog.mocking?
+    end
+  end
+
+  tests('Fog::Mock.delay') do
+    tests('Fog::Mock.delay').returns(1, "defaults to 1") do
+      Fog::Mock.delay
+    end
+
+    tests('Fog::Mock.delay = 2').returns(2, "changes Fog::Mock.delay to 2") do
+      Fog::Mock.delay = 2
+      Fog::Mock.delay
+    end
+
+    tests('Fog::Mock.delay = 0').returns(0, "changes Fog::Mock.delay to 0") do
+      Fog::Mock.delay = 0
+      Fog::Mock.delay
+    end
+
+    tests('Fog::Mock.delay = -1').raises(ArgumentError) do
+      Fog::Mock.delay = -1
+    end
+  end
+
+  tests('Fog::Mock.not_implemented').raises(Fog::Errors::MockNotImplemented) do
+    Fog::Mock.not_implemented
+  end
+
+  
+end