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|
@exclude-jruby @exclude-rbx
Feature: EM HTTP Request
EM HTTP Request allows multiple simultaneous asynchronous requests.
(The other HTTP libraries are synchronous). The scenarios below
demonstrate how VCR can be used with asynchronous em-http requests.
Background:
Given a file named "vcr_setup.rb" with:
"""ruby
require 'em-http-request'
$server = start_sinatra_app do
%w[ foo bar bazz ].each_with_index do |path, index|
get "/#{path}" do
sleep index * 0.1 # ensure the async callbacks are invoked in order
ARGV[0] + ' ' + path
end
end
end
require 'vcr'
VCR.configure do |c|
c.hook_into :webmock
c.cassette_library_dir = 'cassettes'
c.before_record do |i|
i.request.uri.sub!(/:\d+/, ':7777')
end
end
"""
Scenario: multiple simultaneous HttpRequest objects
Given a file named "make_requests.rb" with:
"""ruby
require 'vcr_setup'
VCR.use_cassette('em_http') do
EventMachine.run do
http_array = %w[ foo bar bazz ].map do |p|
EventMachine::HttpRequest.new("http://localhost:#{$server.port}/#{p}").get
end
http_array.each do |http|
http.callback do
puts http.response
if http_array.all? { |h| h.response.to_s != '' }
EventMachine.stop
end
end
end
end
end
"""
When I run `ruby make_requests.rb Hello`
Then the output should contain:
"""
Hello foo
Hello bar
Hello bazz
"""
And the file "cassettes/em_http.yml" should contain YAML like:
"""
---
http_interactions:
- request:
method: get
uri: http://localhost:7777/foo
body:
encoding: UTF-8
string: ""
headers: {}
response:
status:
code: 200
message: OK
headers:
Content-Type:
- text/html;charset=utf-8
Content-Length:
- "9"
body:
encoding: UTF-8
string: Hello foo
http_version:
recorded_at: Tue, 01 Nov 2011 04:58:44 GMT
- request:
method: get
uri: http://localhost:7777/bar
body:
encoding: UTF-8
string: ""
headers: {}
response:
status:
code: 200
message: OK
headers:
Content-Type:
- text/html;charset=utf-8
Content-Length:
- "9"
body:
encoding: UTF-8
string: Hello bar
http_version:
recorded_at: Tue, 01 Nov 2011 04:58:44 GMT
- request:
method: get
uri: http://localhost:7777/bazz
body:
encoding: UTF-8
string: ""
headers: {}
response:
status:
code: 200
message: OK
headers:
Content-Type:
- text/html;charset=utf-8
Content-Length:
- "10"
body:
encoding: UTF-8
string: Hello bazz
http_version:
recorded_at: Tue, 01 Nov 2011 04:58:44 GMT
recorded_with: VCR 2.0.0
"""
When I run `ruby make_requests.rb Goodbye`
Then the output should contain:
"""
Hello foo
Hello bar
Hello bazz
"""
Scenario: MultiRequest
Given a file named "make_requests.rb" with:
"""ruby
require 'vcr_setup'
VCR.use_cassette('em_http') do
EventMachine.run do
multi = EventMachine::MultiRequest.new
%w[ foo bar bazz ].each do |path|
multi.add(path, EventMachine::HttpRequest.new("http://localhost:#{$server.port}/#{path}").get)
end
multi.callback do
responses = Hash[multi.responses[:callback]]
%w[ foo bar bazz ].each do |path|
puts responses[path].response
end
EventMachine.stop
end
end
end
"""
When I run `ruby make_requests.rb Hello`
Then the output should contain:
"""
Hello foo
Hello bar
Hello bazz
"""
And the file "cassettes/em_http.yml" should contain YAML like:
"""
---
http_interactions:
- request:
method: get
uri: http://localhost:7777/foo
body:
encoding: UTF-8
string: ""
headers: {}
response:
status:
code: 200
message: OK
headers:
Content-Type:
- text/html;charset=utf-8
Content-Length:
- "9"
body:
encoding: UTF-8
string: Hello foo
http_version:
recorded_at: Tue, 01 Nov 2011 04:58:44 GMT
- request:
method: get
uri: http://localhost:7777/bar
body:
encoding: UTF-8
string: ""
headers: {}
response:
status:
code: 200
message: OK
headers:
Content-Type:
- text/html;charset=utf-8
Content-Length:
- "9"
body:
encoding: UTF-8
string: Hello bar
http_version:
recorded_at: Tue, 01 Nov 2011 04:58:44 GMT
- request:
method: get
uri: http://localhost:7777/bazz
body:
encoding: UTF-8
string: ""
headers: {}
response:
status:
code: 200
message: OK
headers:
Content-Type:
- text/html;charset=utf-8
Content-Length:
- "10"
body:
encoding: UTF-8
string: Hello bazz
http_version:
recorded_at: Tue, 01 Nov 2011 04:58:44 GMT
recorded_with: VCR 2.0.0
"""
When I run `ruby make_requests.rb Goodbye`
Then the output should contain:
"""
Hello foo
Hello bar
Hello bazz
"""
|
