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  • 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 Kevin Menard for reporting the bug.
  • 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.
  • Fix Faraday middleware so that it plays back parallel requests properly. Thanks to Dave Weiser for reporting this bug.

2.0.0 (March 2, 2012)

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  • Add some additional logged events for the debug_logger.
  • 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 Patrick Schmitz and Dan Thompson for reporting the issue and helping diagnose it.
  • 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.

2.0.0 RC 2 (February 23, 2012)

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New Features

  • Add YARD documentation for the public API. Thanks to Ben Oakes for help with setting this up.
  • Fix around_http_request hook so that request.proceed returns the response.
  • Resolve cassette_library_dir to an absolute path. Thanks to Nate Clark 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 Nate Clark for the idea.
  • 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.
  • Add new preserve_exact_body_bytes option that base64 encodes the request or response body in order to preserve the bytes exactly. Thanks to Jeff Pollard for help designing this feature and for code reviewing it.
  • Update to and require latest Excon (0.9.6).

Bug Fixes

  • Fix rspec metadata integration to allow the cassette name to be set at the example group level and apply to multiple examples. Thanks to Paul Russell for reporting the bug.
  • 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.
  • Fix FakeWeb library hook so that it records the request body when using Net::HTTP.post_form. Thanks to Retistic for reporting the bug.

2.0.0 RC 1 (December 8, 2011)

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  • 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.
  • Integrate VCR with RSpec metadata. Thanks to Ryan Bates for the great idea.

2.0.0 Beta 2 (November 6, 2011)

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  • Update to (and require) Typhoeus 0.3.2.
  • Fix a bug with VCR.request_matchers.uri_without_param(:some_param) so that it properly handles URIs that have no parameters. Thanks to Sathya Sekaran for this fix.
  • 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.

2.0.0 Beta 1 (October 8, 2011)

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Changed

  • 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.

Added

  • Allow any callable (an object that responds to #call, such as a lambda) to be used as a request matcher. Thanks to Avdi Grimm for the idea.
  • 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.
  • New :allow_playback_repeats cassette option preserves the old playback repeat behavior. Thanks to Avdi Grimm 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 Avdi Grimm for the idea.

Removed

  • 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

  • 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.

1.11.3 (August 31, 2011)

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  • Fix cassette serialization so that it does not include extra ignored instance variable.

1.11.2 (August 28, 2011)

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  • Updated rake, cucumber and aruba dev dependencies to latest releases.
  • Fix all warnings originating from VCR. VCR is now warning-free!

1.11.1 (August 18, 2011)

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  • Yanked 1.11.0 and rebuilt gem on 1.8.7 to deal with syck/psych incompatibilties in gemspec.

1.11.0 (August 18, 2011)

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  • Updates to work with WebMock 1.7.0.

1.10.3 (July 21, 2011)

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  • Fix :update_content_length_header option so no error is raised if a response body is nil. Bug reported by jg.

1.10.2 (July 16, 2011)

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  • Yanked 1.10.1 and rebuilt gem on 1.8.7 to deal with syck/psych incompatibilties in gemspec.

1.10.1 (July 16, 2011)

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  • Fix typo in error message. Fix provided by Bradley.
  • Fix excon adapter to properly handle queries specified as a hash.
  • Fix excon adapter to stub a response with a hash as excon expects. Fix provided by Wesley Beary.
  • Fix excon adapter so that it records a response even when excon raises an error due to an unexpected response.

1.10.0 (May 18, 2011)

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  • 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).
  • Add :ignore_cassettes option to VCR.turn_off!. This causes cassette insertions to be ignored rather than to trigger an error. Patch provided by Justin Smestad.
  • Fix rack middleware to make it threadsafe.
  • Update to latest RSpec (rspec 2.6).

1.9.0 (April 14, 2011)

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1.8.0 (March 31, 2011)

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  • Updated Faraday middleware to work with newly released Faraday 0.6.0.

1.7.2 (March 26, 2011)

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  • Fixed Typhoeus adapter so headers are returned in the same form during playback as they would be without VCR. Bug reported by Avdi Grimm.
  • Fixed Faraday adapter so it treats response headers in the same way Faraday itself does (i.e. with lowercase keys).

1.7.1 (March 19, 2011)

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  • Fix Faraday adapter so that it properly normalizes query parameters in the same way that Faraday itself does.

1.7.0 (March 1, 2011)

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  • 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 Robert Poor.
  • Add new :update_content_length_header cassette option. The option will ensure the content-length header value matches the actual response body length.
  • 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 Jamie Cobbett.
  • Made :once the default record mode.
  • Add new filter_sensitive_data configuration option. Feature suggested by Nathaniel Bibler.
  • Commit to Semantic Versioning. The cucumber features document the public API for the purposes of semver.
  • Add support for CI builds using travis-ci.
  • Add support for running tests through gem test vcr. Visit test.rubygems.org to see the results.
  • 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.

1.6.0 (February 3, 2011)

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  • 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 Claudio Poli.
  • Upgraded to the latest Typhoeus (0.2.1).
  • General code clean up and refactoring.

1.5.1 (January 12, 2011)

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  • 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 Rob Slifka.

1.5.0 (January 12, 2011)

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  • Fix VCR::Cassette so it does not raise an error when a cassette file is empty. Bug reported and fixed by Karl Baum.
  • 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.
  • Add before_record and before_playback hooks. Idea and initial implementation by Oliver Searle-Barnes; futher suggestions, testing and feedback by Nathaniel Bibler.

1.4.0 (December 3, 2010)

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  • 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).

1.3.3 (November 21, 2010)

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  • 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.

1.3.2 (November 16, 2010)

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  • 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.

1.3.1 (November 11, 2010)

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  • Update WebMock adapter to work with (and require) newly released WebMock 1.6.0.

1.3.0 (November 11, 2010)

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  • Moved documentation from README to Wiki.
  • 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.
  • Add support for Typhoeus. Thanks to David Balatero for making the necessary changes in Typhoeus to support VCR.
  • Remove FakeWeb/WebMock inference logic. You must configure the http stubbing library explicitly now.

1.2.0 (October 13, 2010)

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  • 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.
  • 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 a bug when using WebMock and Open URI.
  • Consider 0.0.0.0 to be a localhost alias (previously only "localhost" and 127.0.0.1 were considered).
  • Added spec and feature coverage for Curb integration. Works out of the box with no changes required to VCR due to Pete Higgins' great work to add Curb support to WebMock.
  • Got specs and features to pass on rubinius.
  • Changed WebMock version requirement to 1.4.0.

1.1.2 (September 9, 2010)

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  • 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.

1.1.1 (August 26, 2010)

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  • 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.

1.1.0 (August 22, 2010)

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  • 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.
  • 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. Benchmarking reveals this is about 28% faster.
  • Upgraded tests to use em-http-request 0.2.10 rather than 0.2.7.

1.0.3 (August 5, 2010)

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  • 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.

1.0.2 (July 6, 2010)

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  • Fixed VCR to work with rest-client. 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 Thibaud Guillaume-Gentil.
  • Setup bundler to manage development dependencies.

1.0.1 (July 1, 2010)

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  • 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.
  • Fixed FakeWeb adapter so that it works for requests that use basic auth. Patch submitted by Eric Allam.

1.0.0 (June 22, 2010)

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  • New Features

    • Added support for HTTPClient, Patron and em-http-request when WebMock is used. Any future http libraries WebMock supports should (theoretically, at least) work without any VCR code changes. Thanks to Bartosz Blimke for adding the necessary code to WebMock to make this happen!
    • 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 dependency on jeweler. Manage the gemspec by hand instead.
    • Removed some extensions that are no longer necessary.

0.4.1 May 11, 2010

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  • 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.

0.4.0 April 28, 2010

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  • 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:

    $ rake vcr:migrate_cassettes DIR=path/to/cassete/library/directory

  • 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.

0.3.1 April 10, 2010

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  • Fixed a bug: when Net::HTTP#request was called with a block that had a return statement, the response was not being recorded.

0.3.0 March 24, 2010

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  • 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.

0.2.0 March 9, 2010

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  • Added :allow_real_http cassette option, which allows VCR to work with capybara and a javascript driver. Bug reported by Ben Hutton.

  • Deprecated the default_cassette_record_mode option. Use default_cassette_options[:record_mode] instead.

0.1.2 March 4, 2010

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  • 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.

0.1.1 February 25, 2010

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0.1.0 February 25, 2010

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  • Initial release. Basic recording and replaying of responses works.
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