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# Copyright 2013-2020 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
import pytest
import spack.tengine as tengine
import spack.config
from spack.util.path import canonicalize_path
class TestContext(object):
class A(tengine.Context):
@tengine.context_property
def foo(self):
return 1
class B(tengine.Context):
@tengine.context_property
def bar(self):
return 2
class C(A, B):
@tengine.context_property
def foobar(self):
return 3
@tengine.context_property
def foo(self):
return 10
def test_to_dict(self):
"""Tests that all the context properties in a hierarchy are considered
when building the context dictionary.
"""
# A derives directly from Context
a = TestContext.A()
d = a.to_dict()
assert len(d) == 1
assert 'foo' in d
assert d['foo'] == 1
# So does B
b = TestContext.B()
d = b.to_dict()
assert len(d) == 1
assert 'bar' in d
assert d['bar'] == 2
# C derives from both and overrides 'foo'
c = TestContext.C()
d = c.to_dict()
assert len(d) == 3
for x in ('foo', 'bar', 'foobar'):
assert x in d
assert d['foo'] == 10
assert d['bar'] == 2
assert d['foobar'] == 3
@pytest.mark.usefixtures('config')
class TestTengineEnvironment(object):
def test_template_retrieval(self):
"""Tests the template retrieval mechanism hooked into config files"""
# Check the directories are correct
template_dirs = spack.config.get('config:template_dirs')
template_dirs = [canonicalize_path(x) for x in template_dirs]
assert len(template_dirs) == 3
env = tengine.make_environment(template_dirs)
# Retrieve a.txt, which resides in the second
# template directory specified in the mock configuration
template = env.get_template('a.txt')
text = template.render({'word': 'world'})
assert 'Hello world!' == text
# Retrieve b.txt, which resides in the third
# template directory specified in the mock configuration
template = env.get_template('b.txt')
text = template.render({'word': 'world'})
assert 'Howdy world!' == text
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