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a basic api for interacting with ring apps

branch: master
README.md

peridot Build Status

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 ns declaration. 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 request to 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 :get by default. Options should be from the request map portion of the ring spec.

:params should not be nested. Most params will be sent as (str value). If a value is a java.io.File then 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 IllegalArgumentException when 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))

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.

header will set a header. authorize will use basic authentication. content-type will 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 :request and :response for 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 test will 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.

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