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import os
# Test result codes.
class ResultCode(object):
"""Test result codes."""
# We override __new__ and __getnewargs__ to ensure that pickling still
# provides unique ResultCode objects in any particular instance.
_instances = {}
def __new__(cls, name, isFailure):
res = cls._instances.get(name)
if res is None:
cls._instances[name] = res = super(ResultCode, cls).__new__(cls)
return res
def __getnewargs__(self):
return (self.name, self.isFailure)
def __init__(self, name, isFailure):
self.name = name
self.isFailure = isFailure
def __repr__(self):
return '%s%r' % (self.__class__.__name__,
(self.name, self.isFailure))
PASS = ResultCode('PASS', False)
XFAIL = ResultCode('XFAIL', False)
FAIL = ResultCode('FAIL', True)
XPASS = ResultCode('XPASS', True)
UNRESOLVED = ResultCode('UNRESOLVED', True)
UNSUPPORTED = ResultCode('UNSUPPORTED', False)
# Test metric values.
class MetricValue(object):
def format(self):
"""
format() -> str
Convert this metric to a string suitable for displaying as part of the
console output.
"""
raise RuntimeError("abstract method")
def todata(self):
"""
todata() -> json-serializable data
Convert this metric to content suitable for serializing in the JSON test
output.
"""
raise RuntimeError("abstract method")
class IntMetricValue(MetricValue):
def __init__(self, value):
self.value = value
def format(self):
return str(self.value)
def todata(self):
return self.value
class RealMetricValue(MetricValue):
def __init__(self, value):
self.value = value
def format(self):
return '%.4f' % self.value
def todata(self):
return self.value
# Test results.
class Result(object):
"""Wrapper for the results of executing an individual test."""
def __init__(self, code, output='', elapsed=None):
# The result code.
self.code = code
# The test output.
self.output = output
# The wall timing to execute the test, if timing.
self.elapsed = elapsed
# The metrics reported by this test.
self.metrics = {}
def addMetric(self, name, value):
"""
addMetric(name, value)
Attach a test metric to the test result, with the given name and list of
values. It is an error to attempt to attach the metrics with the same
name multiple times.
Each value must be an instance of a MetricValue subclass.
"""
if name in self.metrics:
raise ValueError("result already includes metrics for %r" % (
name,))
if not isinstance(value, MetricValue):
raise TypeError("unexpected metric value: %r" % (value,))
self.metrics[name] = value
# Test classes.
class TestSuite:
"""TestSuite - Information on a group of tests.
A test suite groups together a set of logically related tests.
"""
def __init__(self, name, source_root, exec_root, config):
self.name = name
self.source_root = source_root
self.exec_root = exec_root
# The test suite configuration.
self.config = config
def getSourcePath(self, components):
return os.path.join(self.source_root, *components)
def getExecPath(self, components):
return os.path.join(self.exec_root, *components)
class Test:
"""Test - Information on a single test instance."""
def __init__(self, suite, path_in_suite, config):
self.suite = suite
self.path_in_suite = path_in_suite
self.config = config
# A list of conditions under which this test is expected to fail. These
# can optionally be provided by test format handlers, and will be
# honored when the test result is supplied.
self.xfails = []
# The test result, once complete.
self.result = None
def setResult(self, result):
if self.result is not None:
raise ArgumentError("test result already set")
if not isinstance(result, Result):
raise ArgumentError("unexpected result type")
self.result = result
# Apply the XFAIL handling to resolve the result exit code.
if self.isExpectedToFail():
if self.result.code == PASS:
self.result.code = XPASS
elif self.result.code == FAIL:
self.result.code = XFAIL
def getFullName(self):
return self.suite.config.name + ' :: ' + '/'.join(self.path_in_suite)
def getSourcePath(self):
return self.suite.getSourcePath(self.path_in_suite)
def getExecPath(self):
return self.suite.getExecPath(self.path_in_suite)
def isExpectedToFail(self):
"""
isExpectedToFail() -> bool
Check whether this test is expected to fail in the current
configuration. This check relies on the test xfails property which by
some test formats may not be computed until the test has first been
executed.
"""
# Check if any of the xfails match an available feature or the target.
for item in self.xfails:
# If this is the wildcard, it always fails.
if item == '*':
return True
# If this is an exact match for one of the features, it fails.
if item in self.config.available_features:
return True
# If this is a part of the target triple, it fails.
if item in self.suite.config.target_triple:
return True
return False
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