Changelog
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Use RSpec metadata value as cassette name if value is String (#774)
Include body.class feedback for non-String body error (#756) …
Made our YAML output more inline with the spec to avoid issues (#782)
Fix broken build due to Hashdiff deprecation (#758)
Drop removed Travis directive (#751)
Repair Shields.io badges (#753)
Badges - swap out release for tag (#760)
Removing broken badges (#777)
Add record_on_error configuration option (#765)
Clearing up intention of new maintainers request
Avoid updating the gem gem in system during travis build (#781)
Updated our version of Aruba (#780)
Remove link to mailing list (#784)
Add note about sensitive data in documentation (#783)
[patch] Fix turning off VCR not working when server thread already started (#764)
Support runnning structs_spec by itself (#791)
Changing the license to an ethical license (#792)
[breaking] disabling webmock excon adapter due to issues
[breaking] change the compressed extension from gz to zz
[breaking] don't eject cassettes on UnhandledHTTPRequestError
[breaking] when logging the before_playback placeholder replacement, VCR would state "replacing with " which does not correctly represent what is actually happening, it's now semantically correct
[breaking] removing more ruby 1.8 weirdness, re: ordered hashes quirk
faster JSON comparison
recompress_response option+hook
unignore_hosts option: remove hosts added to @ignored_hosts Set with ignore_hosts
support ruby 2.6 in test matrix
support ruby 2.5 in test matrix
support Typhoeus 1.1 in test matrix
updating repository meta files
I want to take explicit time here to thank the wonder people who contributed these changes. Some were small and easy while others were challenging and large. They are all meaningful to me and to VCR. Those people are (in no order):
@marshall-lee, @mcfiredrill, @aimerald, @saveriomiroddi, @bwilczek, @felipecsl, @jessedoyle, @raszi, @hdabrows, @nicolasleger, @sckott, @Mehonoshin, @willywg, @sathieu, @skryukov, @joshRpowell, @gregmolnar, @notEthan, @andrew-lewin, and @laserlemon.
If I missed anyone I'm very sorry, you deserve credit.
[Feature] Output non-matched headers on error
[Fix] Allow non-latin charaters in cassette filenames
[Breaking] Remove deprecated VCR::RSpec::Macros
[Breaking] Remove support for ruby 1.9.3
[Breaking] Remove support for Fakeweb
Bug Fixes:
Bug Fixes:
Support WebMock 2.0.0 by calling WebMock.enable! when the library hook is enabled. (Tony Miller)
fix webmock thread safety for with_global_hook_disabled (Jan Berdajs)
[Adding] Use the specs scope as the cassette name when the description is empty (Philipp Tessenow)
[Fixing] make ignore_cassettes a boolean again to prevent nil.dup crashes (Harald Sitter)
[Fixing] Fix issue #517 Cucumber scenario outlines use incorrect cassette (Jan Berdajs)
[Fixing] fix(persisters): use binary mode in read/write (KARASZI István)
[Breaking] test support for 1.8.7, 1.9.2, 2.0.0, 2.1.0, ree, jruby 1.8mode, rbx 1.8mode
[Breaking] the possible return value VCR.configuration, it now might return nil
[Breaking] the possible return value VCR.cassette_serializers, it now might return nil
[Breaking] the possible return value VCR.cassette_persisters, it now might return nil
[Breaking] the possible return value VCR.library_hooks, it now might return nil
[Breaking] the possible return value VCR.request_ignorer, it now might return nil
[Breaking] the possible return value VCR.request_matchers, it now might return nil
[Breaking] the threadness of VCR, by using Mutex
[Adding] a new :compressed value for serializers that stores in gzipped files
[Adding] support for farady's RackBuilder if it exists
[Changing] the cucumber scenario naming mechanism
Bug Fixes:
Fix VCR::Cassette#serializable_hash so that it does not allow before_record hooks to apply mutations to existing HTTPInteraction instances. (Myron Marston)
Bug Fixes:
Fix RSpec metadata integration once more -- we changed it a bit more in response to user feedback. (Myron Marston)
Bug Fixes:
Fix RSpec metadata integration to not trigger deprecation warnings with RSpec 3.0.0.rc1+. (Janko Marohnić)
Enhancements:
Update version checking to only assert that a given library is >= a minimum version. (Ryan Foster)
Explicitly support the latest Excon release (0.32). (Ryan Foster)
Explicitly support the latest Excon release (0.31). (Michiel de Mare)
Explicitly support the latest Webmock releases (1.16, 1.17). (Ryan Foster, Lawson Kurtz)
Enhancements:
Explicitly support the latest Excon release (0.29). (Myron Marston)
Add :body_as_json request matcher. (Mike Dalton)
Include the body in the UnhandledHTTPRequestError message when matching on :body to help identify the request. (Chris Gunther)
Bug Fixes:
Fix Excon adapter so that it properly records responses even when a middleware raises an error (such as via the :expects Excon option). Previously, the order response_call was invoked on Excon middleware caused VCR's recording ot be skipped when an error was raised by another middleware. To fix this, we have split up VCR Excon middleware into two middlewares that we can insert into the stack at the appropriate spots. Note that to get this to work, Excon < 0.25.2 is no longer supported. (Myron Marston)
Fix Excon adapter so that we pass it a dup of the body string rather than the body string itself, since Excon has code paths that will mutate the stubbed response string we give it, wreaking confusing havoc. (Myron Marston)
Fix rspec metadata implementation so that it does not emit warnings on RSpec 2.99. (Herman Verschooten)
Enhancements:
Explicitly support the latest WebMock releases (1.14 and 1.15). (Eduardo Maia, Johannes Würbach)
Explicitly support the latest Excon releases (0.27 and 0.28). (Myron Marston)
Add support for Excon unix sockets by leveraging its new ::Excon::Utils.request_uri method. (Todd Lunter)
Reword the "it may not work with this version" warning message so the intent is more clear (Myron Marston).
Support post/put bodies being specified as a hash when using Typhoeus by leveraging it's new encoded_body API. (Myron Marston, Hans Hasselberg)
Bug Fixes:
Fix detection of encoding errors for MultiJson 1.8.1+. (Myron Marston).
Fix file name sanitization to better handle paths that have a dot in them (Rob Hanlon, Myron Marston).
Fix Faraday middleware so that it works properly when another adapter is exclusively enabled (Myron Marston).
Enhancements:
Add VCR::Cassette#originally_recorded_at for use when freezing time based on when the cassette was recorded. (Myron Marston)
Improve the :allow_unused_http_interactions => false option so that it does not raise an error when there are unused interactions due to the test failing on its own; otherwise, it could raise an error and silence the original test failure. (Myron Marston)
Improve perf when no logger is used by having it short-circuit and not bother formatting a logger message that won't be printed, anyway (Luan Santos and Matt Parker).
Bug Fixes:
Fix confusing errors that could result when using the YAML serializer if the client code added some state (e.g. via an extension module) onto a request or response body. (Myron Marston)
Ensure response body is always recorded when hooking into :excon, even when using a :response_block and an unexpected status is returned. Excon doesn't invoke the :response_block in this case, requiring special handling. (James Bence)
Explicitly support the latest WebMock (1.13). (Ron Smith)
Explicitly support the latest Excon (0.26). (Myron Marston)
Fix detection of encoding errors to handle ArgumentError that is raised by recent versions of MultiJson. (Myron Marston)
Fix Excon adapter so that it allows VCR to play nicely with manual Excon stubs (using Excon's Excon.stub API). (Myron Marston)
Fix Typhoeus adapter so that it sets effective_url properly when the :followlocation option is used and a redirect is followed. (Myron Marston)
Bug Fixes:
Fix around_http_request so that it does not raise confusing errors when requests are made in multiple threads.
Fix configure_rspec_metadata! so that you can safely call it more than once
Enhancements:
Relax WebMock version checker to allow WebMock 1.10 and 1.11 without issuing warnings (Johannes Würbach and Myron Marston).
Update Excon integration to take advantage of new Excon middleware architecture. This is a more robust way to hook into Excon and will be less prone to breakage due to internal Excon changes (Myron Marston).
Deprecations:
Deprecate support for Typhoeus < 0.5. It will be removed in VCR 3.0 (Sheel Choksi).
Enhancements:
Bug Fixes:
Deprecations:
Enhancements:
Bug Fixes:
Enhancements:
Bug Fixes:
Fix another edge case bug on the excon adapter that was causing it to mis-record in certain situations that used Excon's :expects option.
Bug Fixes:
Fix excon so real requests are made with a connection constructed with same args as the original connection.
Bug Fixes:
Bug Fixes:
Fix VCR.eject_cassette so that it always pops a cassette off the cassette stack even if an error occurs while ejecting the cassette. This is important to keep things consistent, so that a cassette for one test doesn't remain in place for another test.
Bug Fixes:
Fix matcher generated by VCR.request_matchers.uri_without_params so that it handles URIs w/o query params properly. Previously, it would allow any two URIs w/o query params to match, even if the hosts or paths differed.
Enhancements:
Allow requests to be stubbed by external libraries (e.g. WebMock, FakeWeb or Typhoeus) without needing to turn VCR off.
Bug Fixes:
Print a warning when VCR is used with a poorly behaved Faraday connection stack that has a middleware after the HTTP adapter. VCR may work improperly in this case.
Raise an error if a response object is recorded with a non-string body. This fails early and indicates the problem rather than failing later with a strange error.
Fix filter_sensitive_data/define_cassette_placeholder so that they handle non-strings gracefully (e.g. the port number as a Fixnum).
Fix Excon adapter to fix a bug with Excon 0.11 and greater. When you passed a block to an excon request, the response body would not be recorded.
Add some additional logged events for the debug_logger.
Relax Excon dependency to include newly released 0.10.
Relax Faraday dependency to include 0.8.
Fix Faraday library hook so that it always does the version checking.
Fix around_http_request hook so that request.proceed returns the response.
Allow filters (objects that respond to #to_proc) to be passed to before_http_request and after_http_request. This allows an API like before_http_request(:real?) or after_http_request(lambda { |req| req.uri =~ /amazon/ }).
Add debug_logger config option. This can be used to troubleshoot what VCR is doing.
Update WebMock to version (1.8.0) that supports Excon stubbing.
Store the encoding with the request & response bodies in the serialized cassette.
Update to and require latest Excon (0.9.6).
Add missing require 'vcr/version' to the cassette migrator task. If you tried the migration rake task with 2.0.0.rc1 and got a NoMethodError, it should be fixed now.
Update Excon dependency to 0.9.5; 0.9.5 includes an important bug fix needed by VCR.
Ensure the excon retry limit is honored properly.
Ensure that the correct error class is raised by excon when stubbing an unexpected status.
Add Faraday hook that automatically inserts the VCR middleware so that you can use VCR with Faraday without needing to insert the middleware yourself. Use VCR.configure { |c| c.hook_into :faraday }.
Add ignore_request config option. Pass it a block that returns true if the given request should be ignored.
Improve the unhandled HTTP request error message so that it lists different options for how to get VCR to handle it.
Add {before,after,around}_http_request hooks.
Updated WebMock integration and bumped up required version to 1.7.8.
Test against latest Excon (0.7.9) and confirm that VCR works fine with it.
Add define_cassette_placeholder as an alias for filter_sensitive_data.
Fix Faraday middleware so that it works properly when you use parallel requests.
Update to (and require) Typhoeus 0.3.2.
The cassette format has changed significantly:
The HTTPInteractions are no longer normalized in a lossy fashion. VCR 1.x converted all HTTP header keys to lowercase. VCR 2.0 no longer does this because it is impossible to know what the original casing was (i.e. given etag, was it originally etag, ETag or Etag?). Also, some HTTP libraries add particular request headers to every request, and these used to be ignored. The aren't anymore.
The ruby struct objects are not directly serialized anymore. Instead, only primitives (hashes, arrays, strings, integers) are serialized. This allows swappable serializers and will allow other tools to read and use a VCR cassette.
Add new serializer API. VCR ships with YAML, Syck, Psych and JSON serializers, and it is very simple to implement your own. The serializer can be configured on a per-cassette basis.
New vcr:migrate_cassettes DIR=path/to/cassettes rake task assists with upgrading from VCR 1.x to 2.0.
Cassettes now contain a recorded_with attribute. This should allow the cassette structure to be updated more easily in the future as the version number provides a means for easily migrating cassettes.
Add recorded_at to data serialized with an HTTPInteraction. This allows the :re_record_interval cassette option to work more accurately and no longer rely on the file modification time.
Note that VCR 1.x cassettes cannot be used with VCR 2.0. See the upgrade notes for more info.
Previously, the last matching response in a cassette would repeatedly playback if the same request kept being made. This is no longer the case.
The Faraday middleware has been rewritten.
You no longer need to configure stub_with :faraday to use it.
It has been updated to work in parallel mode.
It no longer accepts a block and uses that to determine the cassette. Instead, use VCR.use_cassette just like you would with FakeWeb or WebMock.
Add ability to register custom request matchers.
Add VCR.request_matchers.uri_without_param(:some_param) to generate a request matcher that matches on URI but ignores the named parameter.
Removed support for Ruby 1.8.6 and 1.9.1.
Removed lots of old deprecated APIs.
Removed support for manually changing the URI in a cassette to a regex.
Deprecated VCR.config in favor of VCR.configure.
Deprecated VCR::Config singleton module in favor of VCR::Configuration class. The current configuration instance can be accessed via VCR.configuration.
Deprecated stub_with in favor of hook_into. The stubbing adapters have been completely rewritten and are no longer an implementation of the adapter design pattern. Instead they simply use the named library to globally hook into every HTTP request.
Fix cassette serialization so that it does not include extra ignored instance variable.
Updated rake, cucumber and aruba dev dependencies to latest releases.
Fix all warnings originating from VCR. VCR is now warning-free!
Yanked 1.11.0 and rebuilt gem on 1.8.7 to deal with syck/psych incompatibilties in gemspec.
Updates to work with WebMock 1.7.0.
Yanked 1.10.1 and rebuilt gem on 1.8.7 to deal with syck/psych incompatibilties in gemspec.
Fix excon adapter to properly handle queries specified as a hash.
Fix excon adapter so that it records a response even when excon raises an error due to an unexpected response.
Fix header normalization so that it properly handles nested arrays and non-string values.
Add cucumber scenario documenting how VCR sanitizes cassette names to "normal" file names (i.e. only alphanumerics, no spaces).
Fix rack middleware to make it threadsafe.
Update to latest RSpec (rspec 2.6).
Updated Faraday middleware to work with newly released Faraday 0.6.0.
Fixed Faraday adapter so it treats response headers in the same way Faraday itself does (i.e. with lowercase keys).
Fix Faraday adapter so that it properly normalizes query parameters in the same way that Faraday itself does.
Add new :update_content_length_header cassette option. The option will ensure the content-length header value matches the actual response body length.
Made :once the default record mode.
Fix cucumber support to use separate Before & After hooks rather than a single Around hook because of a bug in cucumber that prevents background steps from running within the Around hook.
Upgraded to the latest Typhoeus (0.2.1).
General code clean up and refactoring.
Lots of code cleanup.
Fix the stubbing adapters so that they use the cassette instance rather than the cassette name to create and restore checkpoints.
Raise an appropriate error when a nested cassette is inserted with the same name as a cassette that is already in the stack (VCR's design doesn't allow this and you would get weird errors later on).
Raise an appropriate error when restoring a stubs checkpoint if the checkpoint cannot be found.
Added support for making HTTP requests without a cassette (i.e. if you don't want to use VCR for all of your test suite). There are a few ways to enable this:
In your VCR.config block, set allow_http_connections_when_no_cassette to true to allow HTTP requests without a cassette.
You can temporarily turn off VCR using VCR.turned_off { ... }.
You can toggle VCR off and on with VCR.turn_off! and VCR.turn_on!.
Fixed bug with ignore_localhost config option. Previously, an error would be raised if it was set before the stub_with option.
Added VCR::Middleware::Rack (see features/middleware/rack.feature for usage).
Added support for Faraday (see features/middleware/faraday.feature for usage).
In specs, hit a local sinatra server rather than example.com. This makes the specs faster and removes an external dependency. The specs can pass without being online!
Raise an explicit error when the http stubbing library is not configured (rather than letting the user get a confusing error later).
Test against the latest WebMock release (1.6.1) (no changes required).
Fix a few cucumber scenarios so they pass on rubinius and jruby.
Fix serialized structs so that they are normalized andthey will be the same regardless of which HTTP library made the request.
Status "OK " => "OK"
Body '' => nil
Headers {} => nil
Remove extraneous headers added by the HTTP lib (i.e. Typhoeus user agent)
Rewrite cucumber features in a more documentation-oriented style.
Update WebMock adapter to work with (and require) newly released WebMock 1.6.0.
Refactoring and code cleanup.
Fix InternetConnection.available? so that it memoizes correctly when a connection is not available.
Fix WebMock version checking to allow newly released 1.5.0 to be used without a warning.
Remove FakeWeb/WebMock inference logic. You must configure the http stubbing library explicitly now.
Improved the :all record mode so that it keeps previously recorded interactions that do not match the new recorded interactions. Previously, all of the previously recorded interactions were deleted.
Added :re_record_interval cassette option. This option causes a cassette to be re-recorded when the existing file is older than the specified interval.
Improved RSpec support. Added #use_vcr_cassette RSpec macro method that sets up a cassette for an RSpec example group.
Consider 0.0.0.0 to be a localhost alias (previously only "localhost" and 127.0.0.1 were considered).
Got specs and features to pass on rubinius.
Changed WebMock version requirement to 1.4.0.
Fixed a minor bug with the WebMock integration: WebMock extends each Net::HTTPResponse with an extension module after reading the body, and VCR was doing the same thing, leading to some slight deviance from standard Net::HTTP behavior. The fix prevents VCR from adding the same extension to a Net::HTTPResponse that has already been extende by WebMock.
Fixed a minor bug in the VCR::Net::HTTPResponse module so that it correctly handles nil bodies (such as for a HEAD request).
Refactored VCR::Net::HTTPResponse module so it is implemented in a much simpler manner.
Updated specs and features so they pass against the latest WebMock release (1.3.5).
Minor documentation updates.
Updated to use and require FakeWeb 1.3.0. It includes a fix for a bug related to multiple values for the same response header.
Use new FakeWeb::Utility.request_uri_as_string method rather than our own logic to construct a request uri.
Use new FakeWeb.allow_net_connect = /url regex/ feature to power the ignore_localhost VCR option rather then toggling FakeWeb.allow_net_connect in our Net::HTTP extension.
Optimized VCR.http_stubbing_adapter.stub_requests a bit.
Changed the http stubbing adapters to be modules rather than classes. They should never be instantiated and don't really hold state, so a module is more appropriate.
Warn when FakeWeb or WebMock are a minor or major version number ahead of the required version, as the new version isn't known to work with VCR.
Added :match_requests_on cassette option, which determines how VCR matches requests.
Removed VCR::TaskRunner and the corresponding rake task definition. The rake task migrated cassettes from the 0.3.1 format to the 0.4+ format. If you are still on 0.3.1 or earlier, I recommend you upgrade to 0.4.1 first, migrate your cassettes and deal with migration warnings, then upgrade to the current release.
Added some code to VCR::Cassette.new to check the options passed to the cassette and raise an error if any invalid options are passed.
Upgraded tests to use em-http-request 0.2.10 rather than 0.2.7.
Upgraded VCR specs to RSpec 2.
Updated VCR::CucumberTags so that it uses an around hook rather than a before hook and an after hook. Around hooks were added to Cucumber in the 0.7.3 release, so you'll have to be on that version or higher to use the VCR::CucumberTags feature.
Updated the WebMock version requirement to 1.3.3 or greater. 1.3.2 and earlier versions did not properly handle multiple value for the same response header.
Miscellaneous documentation updates.
Setup bundler to manage development dependencies.
Fixed specs and features so they pass on MRI 1.9.2-preview3 and JRuby 1.5.1.
Normalized response and request headers so that they are stored the same (i.e. lower case keys, arrays of values) in the cassette yaml files, regardless of which HTTP library is used. This is the same way Net::HTTP normalizes HTTP headers.
Fixed VCR.use_cassette so that it doesn't eject a cassette if an exception occurs while inserting one.
New Features
Added support for dynamic responses using ERB. A cassette will be evaluated as ERB before the YAML is deserialized if you pass it an :erb => true option. You can pass variables using :erb => { :var1 => 'some value', :var2 => 'another value' }.
Added ignore_localhost configuration setting, which defaults to false. Setting it true does the following:
Localhost requests will proceed as normal. The "Real HTTP connections are disabled" error will not occur.
Localhost requests will not be recorded.
Previously recorded localhost requests will not be replayed.
Exposed the version number:
VCR.version => string (in the format "major.minor.patch")
VCR.version.parts => array of integers
VCR.version.major => integer
VCR.version.minor => integer
VCR.version.patch => integer
Added test coverage and documentation of using a regex for non-deterministic URLs (i.e. URLs that include a timestamp as a query parameter). It turns out this feature worked before, and I just didn't realize it :).
Breaking Changes
The :allow_real_http => lambda { |uri| ... } cassette option has been removed. There was no way to get this to work with the newly supported http libraries without extensive monkeypatching, and it was mostly useful for localhost requests, which is more easily handled by the new ignore_localhost config setting.
Removed methods and options that had been previously deprecated. If you're upgrading from an old version, I recommend upgrading to 0.4.1 first, deal with all the deprecation warnings, then upgrade to 1.0.0.
Misc Changes:
Removed some extensions that are no longer necessary.
Fixed a bug: when Net::HTTPResponse#read_body was called after VCR had read the body to record a new request, it raised an error (IOError: Net::HTTPResponse#read_body called twice). My fix extends Net::HTTPResponse so that it no longer raises this error.
Added support for webmock. All the fakeweb-specific code is now in an adapter (as is the webmock code).
Changed the format of the VCR cassettes. The old format was tied directly to Net::HTTP, but webmock supports other HTTP libraries and I plan to allow VCR to use them in the future. Note that this is a breaking change--your old VCR cassettes from prior releases will not work with VCR 0.4.0. However, VCR provides a rake task to assist you in migrating your cassettes to the new format. Simply add load 'vcr/tasks/vcr.rake' to your project's Rakefile, and run:
The new cassette format records more information about the request (i.e. the request headers and body), so that it can potentially be used with webmock in the future.
Made most of VCR::Cassette's methods private. I had forgotten to make the methods private before, and most of them don't need to be exposed.
Automatically disallow http connections using the appropriate setting of the http stubbing library (fakeweb or webmock). This relieves users from the need to set the option themselves, so they hopefully aren't using either fakeweb or webmock directly, making it much easier to switch between these.
Change documentation from rdoc to markdown format.
Lots of other refactoring.
Fixed a bug: when Net::HTTP#request was called with a block that had a return statement, the response was not being recorded.
Renamed a bunch of methods, replacing them with method names that more clearly fit the VCR/cassette metaphor:
VCR.create_cassette! => VCR.insert_cassette
VCR.destroy_cassette! => VCR.eject_cassette
VCR.with_cassette => VCR.use_cassette
VCR::Cassette#destroy! => VCR::Cassette#eject
VCR::Cassette#cache_file => VCR::Cassette#file
VCR::Config.cache_dir => VCR::Config.cassette_library_dir
:unregistered record mode => :new_episodes record mode
All the old methods still work, but you'll get deprecation warnings.
Deprecated the default_cassette_record_mode option. Use default_cassette_options[:record_mode] instead.
Added explanatory note about VCR to FakeWeb::NetConnectNotAllowedError#message.
Got things to work for when a cassette records multiple requests made to the same URL with the same HTTP verb, but different responses. We have to register an array of responses with fakeweb.
Fixed our Net::HTTP monkey patch so that it only stores the recorded response once per request. Internally, Net::HTTP#request recursively calls itself (passing slightly different arguments) in certain circumstances.
Initial release. Basic recording and replaying of responses works.
[patch] VCR.use_cassettes raises no implicit conversion of nil into Hash
rebuild Gem with ruby 2.2 to avoid rubygems issue
Add :query request matcher. The new query_parser config option can bet set to change how the query is parsed. Thanks to for implementing this.
Fix previously recorded requests not matching when using the URIWithoutParams builtin matcher. In the case where the original request was recorded without parameters and subsequent requests filter out all parameters, the subsequent requests were failing to match the originally recorded request. Thanks to for reporting the issue and for implementing the fix.
Set effective_url on Typhoeus response when playing back. Thanks to and for providing the fix and corresponding test.
Deprecate the use_vcr_cassette macro for RSpec. It has confusing semantics (e.g. calling it multiple times in the same example group can cause problems and it uses the same cassette for all examples in a group even though they may make different HTTP requests) and VCR's integration with RSpec metadata works much better. Thanks to for implementing this.
Deprecate integration with FakeWeb. FakeWeb appears to be no longer maintained (0 commits in 2012 and it has pull requests that are 2 years old) and WebMock is a far better option. Thanks to for implementing this.
Add uri_parser configuration option. It defaults to URI but can be set to something like Addressable::URI to handle non-standard URIs that stdlib URI doesn't handle. Thanks to for contributing this feature.
Add support for Typhoeus 0.5. Thanks to for making the needed changes.
Fix :use_scenario_name cucumber tag option so that it only uses the first line of the scenario name. Scenarios can include a long preamble that Cucumber includes as part of the scenario name. Thanks to for providing this fix.
Include note about debug_logger option in error message for unhandled HTTP requests. Thanks to for implementing this.
Fix the :use_scenario_name cucumber tags option to work properly with scenario outlines. Thanks to and for the initial bug fixes and for some further improvements.
Fix FakeWeb library hook so that it properly handles the case where multiple requests are made using the same Net::HTTP request object. Previously, a NoMethodError was raised. Thanks to for helping to troubleshoot this bug!
Add new :persist_with cassette option. It allows you to provide a customized persistence implementation so you can persist it to something other than disk (i.e. a key-value store or a database). Thanks to for the idea and help with the implementation.
Add new :allow_unused_http_interactions cassette option. When set to false, an error will be raised when a cassette is ejected and there are remaining unused HTTP interactions. Thanks to for the idea and initial implementation.
Fix after_http_request to handle symbol request predicate filters (e.g. :ignored?, :stubbed?, :recordable?, :unhandled?, :real?) properly. Previously using one of these would raise an ArgumentError. Thanks to for reporting the bug and providing a fix.
Fix FakeWeb hook so that it no longer breaks FakeWeb.allow_net_connect? with arguments. Thanks to for reporting the bug and providing a fix.
Fix WebMock hook so that it no longer breaks WebMock.net_connect_allowed? with arguments. Thanks to for reporting the bug and providing a fix.
Gracefully handle Faraday connection stacks that do not explicitly specify an HTTP adapter. Thanks to for reporting the bug.
Work around a bug in WebMock's em-http-request adapter that prevented VCR from working when using the :redirects option with em-http-request. This change is just a work around. It fixes the main problem, but some features (such as the http request hooks) may not work properly for this case. The bug will ultimately need to be . Thanks to for reporting the bug and providing a great example test case.
Fix bug in handling of Faraday requests with multipart uploads. Thanks to for reporting and fixing the bug.
Fix :use_scenario_name cucumber tag option so that it works properly with multiple scenarios. Thanks to for reporting this bug.
Fix :use_scenario_name cucumber tag option so that it only uses the first line of the scenario feature name. Cucumber includes all of the pre-amble text in the feature name but that can create a ridiculously long cassette name. Thanks to for reporting this bug.
Add new :use_scenario_name option to the cucumber tags API. This allows you to use a generic tag (such as @vcr) and have the cassettes named based on the feature and scenario rather than based on the tag. Thanks to for the implementation and for the initial idea and feedback.
Add new :decode_compressed_response cassette option. When set to true, VCR will decompress a gzipped or deflated response before recording the cassette, in order to make it more human readable. Thanks to for the idea and implementation.
Fix encoding logic to not attempt to encode the request or response body on deserialization if there is no encoding specified. This should allow cassettes recorded on 1.8 to work on 1.9. Thanks to for reporting the bug.
Fix Faraday middleware so that it plays back parallel requests properly. Thanks to for reporting this bug.
Don't worry about stripping the standard port from the request URI on playback. The standard port only needs to be stripped during recording; for playback, it will have already been stripped. This allows people to use the filter_sensitive_data option in a way that changes the URI; before this change, doing so could result in URI::InvalidURIError. Thanks to and for reporting the issue and helping diagnose it.
Add YARD documentation for the public API. Thanks to for help with setting this up.
Resolve cassette_library_dir to an absolute path. Thanks to for the suggestion.
Add to the VCR::Request API in before_http_request and after_http_request hooks so the request has query methods like #real?, #recordable?, #ignored?, etc. Thanks to for the idea.
Add new preserve_exact_body_bytes option that base64 encodes the request or response body in order to preserve the bytes exactly. Thanks to for help designing this feature and for code reviewing it.
Fix rspec metadata integration to allow the cassette name to be set at the example group level and apply to multiple examples. Thanks to for reporting the bug.
Fix FakeWeb library hook so that it records the request body when using Net::HTTP.post_form. Thanks to for reporting the bug.
Integrate VCR with RSpec metadata. Thanks to for the great idea.
Fix a bug with VCR.request_matchers.uri_without_param(:some_param) so that it properly handles URIs that have no parameters. Thanks to for this fix.
Allow any callable (an object that responds to #call, such as a lambda) to be used as a request matcher. Thanks to for the idea.
New :allow_playback_repeats cassette option preserves the old playback repeat behavior. Thanks to for the idea.
New :exclusive cassette option allows a cassette to be exclusively used rather than keeping the existing one active as a fallback. Thanks to for the idea.
Fix :update_content_length_header option so no error is raised if a response body is nil. Bug reported by .
Fix typo in error message. Fix provided by .
Fix excon adapter to stub a response with a hash as excon expects. Fix provided by .
Add :ignore_cassettes option to VCR.turn_off!. This causes cassette insertions to be ignored rather than to trigger an error. Patch provided by .
Add support for .
Fixed Typhoeus adapter so headers are returned in the same form during playback as they would be without VCR. Bug reported by .
Use Psych for YAML serialization/deserialization when it is available. Syck, Ruby's old YAML engine, will remove whitespace from some strings. Bug reported by .
Add new :once record mode. It operates like :new_episodes except when the cassette file already exists, in which case it causes new requests to raise an error. Feature suggested by .
Add new filter_sensitive_data configuration option. Feature suggested by .
Commit to . The cucumber features document the public API for the purposes of semver.
Add support for CI builds using .
Add support for running tests through gem test vcr. Visit to see the results.
Add new ignore_hosts configuration option that allows you to ignore any host (not just localhost aliases, as the ignore_localhost option works). Feature suggested by .
Fix response and request serialization so that the headers are raw strings. This fixes intermittent YAML seg faults for paperclip uploads to S3. Bug reported by .
Fix VCR::Cassette so it does not raise an error when a cassette file is empty. Bug reported and fixed by .
Add before_record and before_playback hooks. Idea and initial implementation by ; futher suggestions, testing and feedback by .
Moved documentation from README to .
Add support for . Thanks to for making the necessary changes in Typhoeus to support VCR.
Fixed VCR/Net::HTTP/WebMock integration so that VCR no longer loads its Net::HTTP monkey patch when WebMock is used, and relies upon WebMock's after_request callback to record Net::HTTP instead. This fixes when using WebMock and Open URI.
Added spec and feature coverage for Curb integration. Works out of the box with no changes required to VCR due to great work to add Curb support to WebMock.
Optimized ERB rendering a bit. Rather than creating a new struct subclass for each time we render an ERB cassette with locals, we keep a cache of reusable struct subclasses based on the desired attributes. reveals this is about 28% faster.
Fixed VCR to work with . Rest-client extends the Net::HTTP response body string with a module containing additional data, which got serialized to the cassette file YAML and occasionally caused problems when the YAML was deserialized. Bug reported by .
Fixed FakeWeb adapter so that it works for requests that use basic auth. Patch submitted by .
Added support for , and when WebMock is used. Any future http libraries WebMock supports should (theoretically, at least) work without any VCR code changes. Thanks to for adding the necessary code to WebMock to make this happen!
Removed dependency on . Manage the gemspec by hand instead.
Added :allow_real_http cassette option, which allows VCR to work with capybara and a javascript driver. Bug reported by .
Handle asynchronous HTTP requests (such as for mechanize). Bug reported by .