December 12, 2012 04:38 · Dec 12, 2012
diff --git a/error.log b/error.log
@@ -0,0 +1,37 @@
+DONE Configuring VCR in Rspec for FakeFS
+  Loaded fakefs/spec_helpers
+
+ArgumentError: There is already a cassette with the same name (VCR example group metadata/records an http request).  You cannot nest multiple cassettes with the same name.
+/src/cio/vendor/ruby/1.9.1/gems/vcr-2.3.0/lib/vcr.rb:116:in `insert_cassette'
+/src/cio/vendor/ruby/1.9.1/gems/vcr-2.3.0/lib/vcr.rb:166:in `use_cassette'
+/src/cio/vendor/ruby/1.9.1/gems/vcr-2.3.0/lib/vcr/test_frameworks/rspec.rb:83:in `block (2 levels) in configure!'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/extensions/instance_eval_with_args.rb:16:in `instance_exec'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/extensions/instance_eval_with_args.rb:16:in `instance_eval_with_args'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/example.rb:247:in `instance_eval_with_args'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/hooks.rb:93:in `block (2 levels) in run'
+/src/cio/vendor/ruby/1.9.1/gems/vcr-2.3.0/lib/vcr/util/variable_args_block_caller.rb:9:in `call'
+/src/cio/vendor/ruby/1.9.1/gems/vcr-2.3.0/lib/vcr/util/variable_args_block_caller.rb:9:in `call_block'
+/src/cio/vendor/ruby/1.9.1/gems/vcr-2.3.0/lib/vcr.rb:169:in `use_cassette'
+/src/cio/vendor/ruby/1.9.1/gems/vcr-2.3.0/lib/vcr/test_frameworks/rspec.rb:83:in `block (2 levels) in configure!'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/extensions/instance_eval_with_args.rb:16:in `instance_exec'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/extensions/instance_eval_with_args.rb:16:in `instance_eval_with_args'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/example.rb:247:in `instance_eval_with_args'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/hooks.rb:93:in `block (2 levels) in run'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/hooks.rb:91:in `call'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/hooks.rb:91:in `run'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/hooks.rb:424:in `run_hook'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/example_group.rb:327:in `run_around_each_hooks'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/example.rb:256:in `with_around_each_hooks'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/example.rb:111:in `run'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/example_group.rb:388:in `block in run_examples'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/example_group.rb:384:in `map'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/example_group.rb:384:in `run_examples'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/example_group.rb:369:in `run'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/command_line.rb:28:in `block (2 levels) in run'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/command_line.rb:28:in `map'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/command_line.rb:28:in `block in run'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/reporter.rb:34:in `report'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/command_line.rb:25:in `run'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/runner.rb:80:in `run'
+/src/cio/vendor/ruby/1.9.1/gems/rspec-core-2.12.1/lib/rspec/core/runner.rb:17:in `block in autorun'
+
diff --git a/fakefs_persister.rb b/fakefs_persister.rb
@@ -0,0 +1,81 @@
+require 'fileutils'
+
+module Cio
+  class Bdd
+    # The only built-in cassette persister. Persists cassettes to the file system.
+    class FakeFSFileSystem
+        #extend self
+
+        # @private
+        attr_reader :storage_location
+
+        def initialize(dir)
+          @storage_location=dir
+        end
+
+        # @private
+        def storage_location=(dir)
+          puts 'is this called?'
+          ::FakeFS.deactivate! if ::FakeFS.activated?
+          ::FileUtils.mkdir_p(dir) if dir
+          @storage_location = dir ? absolute_path_for(dir) : nil
+          ::FakeFS.activate!
+          @storage_location
+        end
+
+        # Gets the cassette for the given storage key (file name).
+        #
+        # @param [String] file_name the file name
+        # @return [String] the cassette content
+        def [](file_name)
+          ::FakeFS.deactivate! if ::FakeFS.activated?
+          path = absolute_path_to_file(file_name)
+          return nil unless ::File.exist?(path)
+          result = ::File.read(path)
+          ::FakeFS.activate!
+          result
+        end
+
+        # Sets the cassette for the given storage key (file name).
+        #
+        # @param [String] file_name the file name
+        # @param [String] content the content to store
+        def []=(file_name, content)
+          ::FakeFS.deactivate! if ::FakeFS.activated?
+          path = absolute_path_to_file(file_name)
+          directory = File.dirname(path)
+          FileUtils.mkdir_p(directory) unless File.exist?(directory)
+          result = File.open(path, 'w') { |f| f.write(content) }
+          ::FakeFS.activate!
+          result
+        end
+
+        # @private
+        def absolute_path_to_file(file_name)
+          ::FakeFS.deactivate! if ::FakeFS.activated?
+          return nil unless storage_location
+          result = ::File.join(storage_location, sanitized_file_name_from(file_name))
+          ::FakeFS.activate!
+          result
+        end
+
+        private
+
+        def absolute_path_for(path)
+          ::FakeFS.deactivate! if ::FakeFS.activated?
+          result = ::Dir.chdir(path) { ::Dir.pwd }
+          ::FakeFS.activate!
+          result
+        end
+
+        def sanitized_file_name_from(file_name)
+          ::FakeFS.deactivate! if ::FakeFS.activated?
+          parts = file_name.to_s.split('.')
+          file_extension = '.' + parts.pop if parts.size > 1
+          result = parts.join('.').gsub(/[^\w\-\/]+/, '_') + file_extension.to_s
+          ::FakeFS.activate!
+          result
+        end
+    end
+  end
+end
diff --git a/fakefs_vcr_spec.rb b/fakefs_vcr_spec.rb
@@ -0,0 +1,33 @@
+require 'spec_helper'
+
+def make_http_request(url)
+  ::Typhoeus.get(url).body
+end
+
+def here(fname)
+  RealFile.expand_path(File.join(RealFile.dirname(__FILE__), fname))
+end
+
+describe "VCR example group metadata",:vcr, :type => :fakefs do
+  let(:url){'http://google.com.au/index.html'}
+  it 'records an http request' do
+    make_http_request(url).should match /The document has moved/
+  end
+
+  it 'records another http request' do
+    make_http_request(url).should match /The document has moved/
+  end
+
+  context 'in a nested example group' do
+    it 'records another one' do
+      make_http_request(url).should match /The document has moved/
+    end
+  end
+end
+
+describe "VCR example metadata" do
+  let(:url){'http://google.com/index.html'}
+  it 'records an http request', :vcr do
+    make_http_request(url).should match /The document has moved/
+  end
+end
diff --git a/spec_helper.rb b/spec_helper.rb
@@ -0,0 +1,54 @@
+require 'fakeweb'
+require 'typhoeus'
+require 'vcr'
+
+module ::FakeFSTrigger
+  def self.included(base)
+    RSpec.configure do |config|
+      config.before(:suite) do
+        require 'fakefs/spec_helpers'
+        config.include ::FakeFS::SpecHelpers
+        config.include ::Cio::Helpers::Shared # utility methods unique to BDD, but shared between rspec and cucumber
+        config.include ::Cio::Spec::Support::Helpers::Include # utility methods unique to rspec
+        config.extend ::Cio::Spec::Support::Helpers::Extend # utility methods unique to rspec
+        ::FakeFS.activate!
+        puts '  Loaded fakefs/spec_helpers'
+      end
+      config.after(:suite) do
+        ::FakeFS::FileSystem.clear
+        ::FakeFS.deactivate!
+      end
+    end
+    VCR.configure do |c|
+      begin
+        require 'fakefs/spec_helpers'
+        puts 'Configuring VCR in Rspec for FakeFS'
+        c.allow_http_connections_when_no_cassette = true
+        c.cassette_library_dir = 'bdd/cassettes'
+        c.cassette_persisters[:file_system] = ::Cio::Bdd::FakeFSFileSystem.new('bdd/cassettes')
+        c.default_cassette_options = { :persist_with => :file_system }
+        c.hook_into :fakeweb, :typhoeus
+        c.configure_rspec_metadata!
+        c.ignore_localhost = true
+        c.default_cassette_options = { :record => :new_episodes,
+                                       :re_record_interval => 7.days }
+        puts 'DONE Configuring VCR in Rspec for FakeFS'
+      rescue => e
+        puts e.message
+        puts e.backtrace.join '\n'
+
+      end
+    end
+  end
+end
+
+RSpec.configure do |c|
+  # See http://rubydoc.info/gems/rspec-core/RSpec/Core/Configuration
+  c.mock_with :rr #::RR::Adapters::Rspec
+  c.backtrace_clean_patterns.push(::RR::Errors::BACKTRACE_IDENTIFIER)
+  c.treat_symbols_as_metadata_keys_with_true_values = true
+  c.run_all_when_everything_filtered = true
+  c.filter_run :focus
+  c.alias_it_should_behave_like_to :it_validates, "it validates"
+  c.include ::FakeFSTrigger, :type => :fakefs
+end