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rest_test
=========
rest_test is a tool for testing REST-style APIs. It uses the same API
specification as is used by rest_doc for generating API docs and executes a list
of user-defined tests exercising the API.
"rest_test --help" shows the usage and available command line options of the
test tool.
On the first run rest_test creates a test file as a template. It has the same
name as the api specification file suffixed by ".test". The test file specifies
which tests are executed. By default one test for each API function is created.
The test file is a executed by a Ruby interpreter in a special environment. This
means you can use normal ruby statements to control the flow of the tests, use
variables, etc.
The test environment provides some special functions which can be used in the
test file:
request <apicall>, [expected_http_result]
This function makes a call to the API and checks that the returned result
adheres to the specification. If the result is an XML file, it is checked
that the result validates against the schema.
By default an HTTP return code of 2xx is treated as success. This can be
overridden by specifying a different return code as second argument to the
request function.
The apicall argument is a string specifying which kind of request is
executed. It has to be the same as in the API specification. Variables which
are contained in the apicall string in the form of "<name>" are replaced by
the value of a corresponding variable defined in the test file. The name of
the Ruby variable has to be "@arg_name", where the "name" part has to be
identical to the "name" part of the argument in the apicall string.
if the apicall is a PUT request, it reads the body which is transferred with
the request from a variable "@data_body" which has to be specified in the
test file.
alias_host original_name, aliased_name
This function sets an alias name which is used instead of the original host
name from the API specification. This makes it possible to use the same test
for different installations of the API.
If a file with the name of the test file suffixed by ".config" exists, this is
executed in the same environment as the test file before the test file is run.
This can be used to do specific setups which shouldn't be part of the general
test file, e.g. some host aliasing or setup of login data.
If the test or the config file sets values to the variables "@user" and
"@password", these are transmitted with all succeeding API calls as
authentication information. Usually these values should be set up in the config
file.
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