silverstripe-testsession/README.md
2014-02-19 22:38:32 +13:00

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# Browser Test Session Module
## Overview
This module starts a testing session in a browser,
in order to test a SilverStripe application in a clean state.
Usually the session is started on a fresh database with only default records loaded.
Further data can be loaded from YAML fixtures or database dumps.
The session is persisted in a file which is generated upon starting the session.
As long as this file exists, the test session is considered in progress,
both in web browsers and command-line execution. By default, the file
is stored in the webroot under `TESTS_RUNNING.js`.
The module also serves as an initializer for the
[SilverStripe Behat Extension](https://github.com/silverstripe-labs/silverstripe-behat-extension/).
It is required for Behat because the Behat CLI test runner needs to persist
test configuration just for the tested browser connection,
available on arbitary URL endpoints. For example,
we're setting up a test mailer which writes every email
into a temporary database table for inspection by the CLI-based process.
## Setup
Simply require the module in a SilverStripe webroot (3.0 or newer):
composer require silverstripe/behat-extension
## Usage
You start a test session by manually requesting a certain URL,
and interact with it through other URL endpoints.
Commands:
* `dev/testsession`: Shows options for starting a test session
* `dev/testsession/start`: Sets up test state, most commonly a test database will be constructed,
and your browser session will be amended to use this database. See "Parameters" documentation below.
* `dev/testsession/end`: Removes the test state, and resets to the original database.
* `dev/testsession/loadfixture?fixture=<path>`: Loads a fixture into an existing test state.
* `dev/testsession/clear`: Empties the test state.
While you can use the interface to set the test session state,
it can be useful to set them programmatically through query parameters
on "dev/testsession/start":
* `fixture`: Loads a YAML fixture in the format generally accepted by `SapphireTest`
(see [fixture format docs](http://doc.silverstripe.org/framework/en/topics/testing/fixtures)).
The path should be relative to the webroot.
* `createDatabase`: Create a temporary database.
* `createDatabaseTemplate`: Path to a database dump to load into a newly created temporary database.
* `requireDefaultRecords`: Include default records as defined on the model classes (in PHP)
* `database`: Set an alternative database name in the current
browser session as a cookie. Does not actually create the database,
that's usually handled by `SapphireTest::create_temp_db()`.
Note: The database names are limited to a specific naming convention as a security measure:
The "ss_tmpdb" prefix and a random sequence of seven digits.
This avoids the user gaining access to other production databases available on the same connection.
* `mailer`: Subclass of `Mailer`, typically used to record emails instead of actually sending them.
* `datetime`: Sets a simulated date used for all framework operations.
Format as "yyyy-MM-dd HH:mm:ss" (Example: "2012-12-31 18:40:59").
Example usage with parameters:
dev/testsession/start?database=ss_tmpdb_1234567&fixture=cms/tests/controller/CMSMainTest.yml