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Feature: Automatic Re-recording
Over time, your cassettes may get out-of-date. APIs change and sites you
scrape get updated. VCR provides a facility to automatically re-record your
cassettes. Enable re-recording using the `:re_record_interval` option.
The value provided should be an interval (expressed in seconds) that
determines how often VCR will re-record the cassette. When a cassette
is used, VCR checks the earliest `recorded_at` timestamp in the cassette;
if more time than the interval has passed since that timestamp,
VCR will use the `:all` record mode to cause it be re-recorded.
Background:
Given a previously recorded cassette file "cassettes/example.yml" with:
"""
---
http_interactions:
- request:
method: get
uri: http://localhost/
body:
encoding: UTF-8
string: ""
headers: {}
response:
status:
code: 200
message: OK
headers:
Content-Length:
- "12"
body:
encoding: UTF-8
string: Old Response
http_version: "1.1"
recorded_at: Tue, 01 Nov 2011 04:58:44 GMT
recorded_with: VCR 2.0.0
"""
And a file named "re_record.rb" with:
"""ruby
$server = start_sinatra_app do
get('/') { 'New Response' }
end
require 'vcr'
VCR.configure do |c|
c.hook_into :webmock
c.cassette_library_dir = 'cassettes'
end
VCR.use_cassette('example', :re_record_interval => 7.days, :match_requests_on => [:method, :host, :path]) do
puts Net::HTTP.get_response('localhost', '/', $server.port).body
end
"""
Scenario: Cassette is not re-recorded when not enough time has passed
Given it is Tue, 07 Nov 2011
When I run `ruby re_record.rb`
Then the output should contain "Old Response"
But the output should not contain "New Response"
And the file "cassettes/example.yml" should contain "Old Response"
But the file "cassettes/example.yml" should not contain "New Response"
Scenario: Cassette is re-recorded when enough time has passed
Given it is Tue, 09 Nov 2011
When I run `ruby re_record.rb`
Then the output should contain "New Response"
But the output should not contain "Old Response"
And the file "cassettes/example.yml" should contain "New Response"
But the file "cassettes/example.yml" should not contain "Old Response"
|
