a basic api for interacting with ring apps
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peridot 
peridot is an interaction library for ring apps. Its functionality is based on an partial port of Rack::Test's test suite.
Dependency Information
peridot's latest version and information on how to install it is available from clojars.
Usage
The api namespace is
peridot.core. If you are using peridot in tests you may want to have
(:use [peridot.core])in your
nsdeclaration. All examples below assume so.
peridot is designed to be used with ->, and maintains cookies across requests in the threading.
Initialization
You can create an initial state with
session.
(session ring-app) ;Use your ring app
Navigation
You can use
requestto send a request to your ring app.
(-> (session ring-app) ;Use your ring app
(request "/")
(request "/search" :request-method :post
:params {:q "clojure"}))
It will use
:getby default. Options should be from the request map portion of the ring spec.
:paramsshould not be nested. Most params will be sent as
(str value). If a value is a
java.io.Filethen peridot will send the request as a multipart form using the contents of the file.
peridot will not follow redirects automatically. To follow a redirect use
follow-redirect. This will throw an
IllegalArgumentExceptionwhen the last response was not a redirect.
(-> (session ring-app) ;Use your ring app
(request "/login" :request-method :post
:params {:username "someone"
:password "password"})
(follow-redirect))
By default, when
POSTing data, params will be encoded as
application/x-www-form-urlencoded. If you want to use an alternative encoding, you can pass
:content-typeas an option, and use
:bodyinstead of
:params.
(-> (session ring-app) ;Use your ring app
(request "/login" :request-method :post
:content-type "application/xml"
:body ""))
Cookies
peridot will manage cookies through the threading. This allows you to login and perform actions as that user.
(-> (session ring-app) ;Use your ring app
(request "/login" :request-method :post
:params {:username "someone"
:password "password"})
(follow-redirect)
(request "/tasks")
(request "/tasks/create" ...)
(request "/tasks/1")
Persistent Information
It can be useful to set persistent information across requests.
headerwill set a header.
authorizewill use basic authentication.
content-typewill set the content-type.
(-> (session ring-app) ;Use your ring app
(header "User-Agent" "Firefox")
(authorize "bryan" "secret")
(content-type "application/json")
(request "/tasks/create" :request-method :put
:body some-json))
Querying
The state information returned by each function has
:requestand
:responsefor information from the last interaction with the ring app.
Transactions and database setup
peridot runs without an http server and, depending on your setup, transactions can be used to rollback and isolate tests. Some fixtures may be helpful:
(use-fixtures :once
(fn [f]
(clojure.java.jdbc/with-connection db (f))))
(use-fixtures :each
(fn [f]
(clojure.java.jdbc/transaction
(clojure.java.jdbc/set-rollback-only)
(f))))
Building
leiningen version 2 is used as the build tool.
lein2 all testwill run the test suite against clojure 1.3, 1.4 and 1.5.1.
License
Copyright (C) 2013 Nelson Morris and contributors
Distributed under the Eclipse Public License, the same as Clojure.