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tests: Refactor the Gem5Fixture to derive from UniqueFixture

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Gem5Fixture is used to define a fixture for building the gem5
binary. Most tests are expected to define their own Gem5Fixture,
however, as some might depend on the same binary (e.g.,
./build/ARM/gem5.opt), they will try to re-define a fixture for the
same target. This patchset changes Gem5Fixture to derive from
UniqueFixture.

In addition, this patchset changes the way global fixtures are
discovered to work with the new Gem5Fixture class. Instead of
enumerating them when test definitions are loaded, we do so after the
tests have been filtered according to specified tags (e.g., include
opt variant, exclude fast, debug variants).

Change-Id: Ie868a7e18ef6c3271f3c8a658229657cd43997cb
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/19251
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Maintainer: Giacomo Travaglini <giacomo.travaglini@arm.com>
This commit is contained in:
Nikos Nikoleris
2019-06-18 11:50:24 +01:00
parent 5218914773
commit 8282b7408b
5 changed files with 51 additions and 121 deletions
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29
ext/testlib/wrappers.py
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@@ -1,3 +1,15 @@
# Copyright (c) 2019 ARM Limited
# All rights reserved
#
# The license below extends only to copyright in the software and shall
# not be construed as granting a license to any other intellectual
# property including but not limited to intellectual property relating
# to a hardware implementation of the functionality of the software
# licensed hereunder. You may use the software subject to the license
# terms below provided that you ensure that this notice is replicated
# unmodified and in its entirety in all distributions of the software,
# modified or unmodified, in source code or in binary form.
#
# Copyright (c) 2017 Mark D. Hill and David A. Wood
# All rights reserved.
#
@@ -179,9 +191,8 @@ class LoadedLibrary(LoadedTestable):
Wraps a collection of all loaded test suites and
provides utility functions for accessing fixtures.
'''
def __init__(self, suites, global_fixtures):
def __init__(self, suites):
LoadedTestable.__init__(self, suites)
self.global_fixtures = global_fixtures
def _generate_metadata(self):
return LibraryMetadata( **{
@@ -196,19 +207,13 @@ class LoadedLibrary(LoadedTestable):
'''
return iter(self.obj)
def all_fixture_tuples(self):
return itertools.chain(
self.global_fixtures,
*(suite.fixtures for suite in self.obj))
def all_fixtures(self):
'''
:returns: an interator overall all global, suite,
and test fixtures
'''
return itertools.chain(itertools.chain(
self.global_fixtures,
*(suite.fixtures for suite in self.obj)),
*(suite.fixtures for suite in self.obj)),
*(self.test_fixtures(suite) for suite in self.obj)
)
@@ -221,7 +226,11 @@ class LoadedLibrary(LoadedTestable):
@property
def fixtures(self):
return self.global_fixtures
global_fixtures = []
for fixture in self.all_fixtures():
if fixture.is_global():
global_fixtures.append(fixture)
return global_fixtures
@property
def uid(self):