allow to set output_prefix to None

doc/creating/configuration.rst

@@ -12,6 +12,7 @@ you define a configure function which defines how to handle a list of input
 files and extra arguments.  This configure function also defines the launcher
 script or binary for your code, the full launch command, the output prefix, and
 relative reference path where reference outputs are stored.
+The output prefix can also be ``None``.
 
 Here is an example module ``runtest_config.py`` which defines such a function:
 

doc/creating/run_function.rst

@@ -28,6 +28,7 @@ There are three more optional arguments to the ``run`` function which by default
 is set by the ``configure`` function (in other words by the code using runtest).
 
 ``filters`` is a dictionary of suffix and filter list pairs and contains
-filters to apply to the results.  If we omit to pass it, then the calculations
+filters to apply to the results. If we omit to pass it, then the calculations
 will be run but not verified. This is useful for multi-step jobs. See also the
-:ref:`example-test-script`.
+:ref:`example-test-script`. If the ``output_prefix`` in the ``configure`` function is set to None,
+then the filters are applied to the file names literally.

runtest/run.py

@@ -21,7 +21,6 @@ def run(options, configure, input_files, extra_args=None, filters=None, accepted
         copy_path(caller_dir, options.work_dir)
 
     launcher, command, output_prefix, relative_reference_path = configure(options, input_files, extra_args)
-    _output_prefix = os.path.join(options.work_dir, output_prefix)
 
     launch_script_path = os.path.normpath(os.path.join(options.binary_dir, launcher))
 
@@ -46,10 +45,14 @@ def run(options, configure, input_files, extra_args=None, filters=None, accepted
                                    stderr=subprocess.PIPE)
         stdout, stderr = process.communicate()
 
-        with open('{0}.{1}'.format(_output_prefix, 'stdout'), 'w') as f:
+        if output_prefix is None:
+            _output_prefix = ''
+        else:
+            _output_prefix = os.path.join(options.work_dir, output_prefix) + '.'
+        with open('{0}{1}'.format(_output_prefix, 'stdout'), 'w') as f:
             f.write(stdout.decode('UTF-8'))
 
-        with open('{0}.{1}'.format(_output_prefix, 'stderr'), 'w') as f:
+        with open('{0}{1}'.format(_output_prefix, 'stderr'), 'w') as f:
             f.write(stderr.decode('UTF-8'))
 
         if process.returncode != 0:
@@ -69,7 +72,10 @@ def run(options, configure, input_files, extra_args=None, filters=None, accepted
     else:
         try:
             for suffix in filters:
-                output = '{0}.{1}'.format(output_prefix, suffix)
+                if output_prefix is None:
+                    output = suffix
+                else:
+                    output = '{0}.{1}'.format(output_prefix, suffix)
                 check(filter_list=filters[suffix],
                       out_name=os.path.join(options.work_dir, output),
                       ref_name=os.path.join(options.work_dir, relative_reference_path, output),

runtest/version.py

@@ -1,6 +1,6 @@
 from collections import namedtuple
 
-__version__ = '2.0.1'
+__version__ = '2.1.0'
 
 version_info = namedtuple('version_info', ['major', 'minor', 'micro', 'releaselevel'])