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|
Feature: Playback repeats
By default, each response in a cassette can only be matched and played back
once while the cassette is in use (it can, of course, be re-used in multiple
tests, each of which should use the cassette separately). Note that this is
a change from the behavior in VCR 1.x. The old behavior occurred because of
how WebMock behave internally and was not intended. Repeats create
less accurate tests since the real HTTP server may not necessarily return the
same response when identical requests are made in sequence.
If you want to allow playback repeats, VCR has a cassette option for this:
:allow_playback_repeats => true
@exclude-jruby
Scenario: Responses do not repeat by default
Given a previously recorded cassette file "cassettes/example.yml" with:
"""
---
http_interactions:
- request:
method: get
uri: http://example.com/foo
body:
encoding: UTF-8
string: ""
headers: {}
response:
status:
code: 200
message: OK
headers:
Content-Length:
- "10"
body:
encoding: UTF-8
string: Response 1
http_version: "1.1"
recorded_at: Tue, 01 Nov 2011 04:58:44 GMT
- request:
method: get
uri: http://example.com/foo
body:
encoding: UTF-8
string: ""
headers: {}
response:
status:
code: 200
message: OK
headers:
Content-Length:
- "10"
body:
encoding: UTF-8
string: Response 2
http_version: "1.1"
recorded_at: Tue, 01 Nov 2011 04:58:44 GMT
recorded_with: VCR 2.0.0
"""
And a file named "playback_repeats.rb" with:
"""ruby
include_http_adapter_for("net/http")
require 'vcr'
VCR.configure do |c|
c.hook_into :webmock
c.cassette_library_dir = 'cassettes'
end
puts "== With :allow_playback_repeats =="
VCR.use_cassette('example', :allow_playback_repeats => true) do
puts response_body_for(:get, 'http://example.com/foo')
puts response_body_for(:get, 'http://example.com/foo')
puts response_body_for(:get, 'http://example.com/foo')
end
puts "\n== Without :allow_playback_repeats =="
VCR.use_cassette('example') do
puts response_body_for(:get, 'http://example.com/foo')
puts response_body_for(:get, 'http://example.com/foo')
puts response_body_for(:get, 'http://example.com/foo')
end
"""
When I run `ruby playback_repeats.rb`
Then it should fail with "An HTTP request has been made that VCR does not know how to handle"
And the output should contain:
"""
== With :allow_playback_repeats ==
Response 1
Response 2
Response 2
== Without :allow_playback_repeats ==
Response 1
Response 2
"""
|
