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Contents
### Install it
[sudo] gem install vcr
[sudo] gem install fakeweb
### Configure it
Create a file named `vcr_setup.rb` with content like:
require 'vcr'
VCR.config do |c|
c.cassette_library_dir = 'vcr_cassettes'
c.stub_with :fakeweb
c.default_cassette_options = { :record => :once }
end
Ensure this file is required by your test suite before any
of the tests are run.
### Use it
Run your tests. Any tests that make HTTP requests using Net::HTTP will
raise errors like:
FakeWeb::NetConnectNotAllowedError: Real HTTP connections are disabled.
Unregistered request: GET http://example.com/.
You can use VCR to automatically record this request and replay it later.
For more details, visit the VCR documentation at: http://relishapp.com/myronmarston/vcr
Find one of these tests (preferably one that uses the same HTTP method and
request URL every time--if not, you'll have to configure the request matcher).
Wrap the body of it (or at least the code that makes the HTTP request) in a
`VCR.use_cassette` block:
VCR.use_cassette('whatever cassette name you want') do
# the body of the test would go here...
end
Run this test. It will record the HTTP request to disk as a cassette (a
test fixture), with content like:
---
- !ruby/struct:VCR::HTTPInteraction
request: !ruby/struct:VCR::Request
method: :get
uri: http://example.com:80/
body:
headers:
response: !ruby/struct:VCR::Response
status: !ruby/struct:VCR::ResponseStatus
code: 200
message: OK
headers:
content-type:
- text/html;charset=utf-8
content-length:
- "26"
body: This is the response body.
http_version: "1.1"
Disconnect your computer from the internet. Run the test again.
It should pass since VCR is automatically replaying the recorded
response when the request is made.
Version data entries
12 entries across 12 versions & 1 rubygems