61b859193d
- simplify logic in multimethod - remove the requirement of multimethod invocations to walk up the stack.
128 lines
2.9 KiB
Python
128 lines
2.9 KiB
Python
# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
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# Spack Project Developers. See the top-level COPYRIGHT file for details.
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#
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# SPDX-License-Identifier: (Apache-2.0 OR MIT)
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from six import string_types
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from spack import *
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import spack.architecture
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from spack.pkg.builtin.mock.multimethod_base import MultimethodBase
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class Multimethod(MultimethodBase):
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"""This package is designed for use with Spack's multimethod test.
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It has a bunch of test cases for the @when decorator that the
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test uses.
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"""
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homepage = 'http://www.example.com/'
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url = 'http://www.example.com/example-1.0.tar.gz'
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#
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# These functions are only valid for versions 1, 3, and 4.
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#
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@when('@1.0')
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def no_version_2(self):
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return 1
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@when('@3.0')
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def no_version_2(self):
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return 3
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@when('@4.0')
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def no_version_2(self):
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return 4
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#
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# These functions overlap, so there is ambiguity, but we'll take
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# the first one.
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#
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@when('@:4')
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def version_overlap(self):
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return 1
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@when('@2:')
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def version_overlap(self):
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return 2
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#
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# More complicated case with cascading versions.
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#
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def mpi_version(self):
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return 0
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@when('^mpi@3:')
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def mpi_version(self):
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return 3
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@when('^mpi@2:')
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def mpi_version(self):
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return 2
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@when('^mpi@1:')
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def mpi_version(self):
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return 1
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#
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# Use these to test whether the default method is called when no
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# match is found. This also tests whether we can switch methods
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# on compilers
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#
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def has_a_default(self):
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return 'default'
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@when('%gcc')
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def has_a_default(self):
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return 'gcc'
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@when('%intel')
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def has_a_default(self):
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return 'intel'
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#
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# Make sure we can switch methods on different target
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#
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platform = spack.architecture.platform()
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targets = list(platform.targets.values())
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if len(targets) > 1:
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targets = targets[:-1]
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for target in targets:
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@when('target=' + target.name)
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def different_by_target(self):
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if isinstance(self.spec.architecture.target, string_types):
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return self.spec.architecture.target
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else:
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return self.spec.architecture.target.name
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#
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# Make sure we can switch methods on different dependencies
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#
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@when('^mpich')
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def different_by_dep(self):
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return 'mpich'
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@when('^zmpi')
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def different_by_dep(self):
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return 'zmpi'
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#
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# Make sure we can switch on virtual dependencies
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#
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def different_by_virtual_dep(self):
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return 1
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@when('^mpi@2:')
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def different_by_virtual_dep(self):
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return 2
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#
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# Make sure methods with a default implementation in a superclass
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# will invoke that method when none in the subclass match.
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#
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@when("@2:")
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def base_method(self):
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return "subclass_method"
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