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# Copyright 2013-2023 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.util.naming
@pytest.fixture()
def trie():
return spack.util.naming.NamespaceTrie()
def test_add_single(trie):
trie["foo"] = "bar"
assert trie.is_prefix("foo")
assert trie.has_value("foo")
assert trie["foo"] == "bar"
def test_add_multiple(trie):
trie["foo.bar"] = "baz"
assert not trie.has_value("foo")
assert trie.is_prefix("foo")
assert trie.is_prefix("foo.bar")
assert trie.has_value("foo.bar")
assert trie["foo.bar"] == "baz"
assert not trie.is_prefix("foo.bar.baz")
assert not trie.has_value("foo.bar.baz")
def test_add_three(trie):
# add a three-level namespace
trie["foo.bar.baz"] = "quux"
assert trie.is_prefix("foo")
assert not trie.has_value("foo")
assert trie.is_prefix("foo.bar")
assert not trie.has_value("foo.bar")
assert trie.is_prefix("foo.bar.baz")
assert trie.has_value("foo.bar.baz")
assert trie["foo.bar.baz"] == "quux"
assert not trie.is_prefix("foo.bar.baz.quux")
assert not trie.has_value("foo.bar.baz.quux")
# Try to add a second element in a prefix namespace
trie["foo.bar"] = "blah"
assert trie.is_prefix("foo")
assert not trie.has_value("foo")
assert trie.is_prefix("foo.bar")
assert trie.has_value("foo.bar")
assert trie["foo.bar"] == "blah"
assert trie.is_prefix("foo.bar.baz")
assert trie.has_value("foo.bar.baz")
assert trie["foo.bar.baz"] == "quux"
assert not trie.is_prefix("foo.bar.baz.quux")
assert not trie.has_value("foo.bar.baz.quux")
def test_add_none_single(trie):
trie["foo"] = None
assert trie.is_prefix("foo")
assert trie.has_value("foo")
assert trie["foo"] is None
assert not trie.is_prefix("foo.bar")
assert not trie.has_value("foo.bar")
def test_add_none_multiple(trie):
trie["foo.bar"] = None
assert trie.is_prefix("foo")
assert not trie.has_value("foo")
assert trie.is_prefix("foo.bar")
assert trie.has_value("foo.bar")
assert trie["foo.bar"] is None
assert not trie.is_prefix("foo.bar.baz")
assert not trie.has_value("foo.bar.baz")
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