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# SPDX-License-Identifier: BSD-2-Clause
""" Unit tests for the rtemsspec.items module. """
# Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
import os
import pytest
from rtemsspec.items import EmptyItem, ItemCache, ItemMapper, ItemTemplate
from rtemsspec.tests.util import create_item_cache_config_and_copy_spec
def test_config_error():
with pytest.raises(KeyError):
ItemCache({})
def test_load(tmpdir):
config = create_item_cache_config_and_copy_spec(tmpdir, "spec-item-cache")
item_count = 0
def post_process_load(items):
nonlocal item_count
item_count = len(items)
item_cache = ItemCache(config, post_process_load)
assert item_count == len(item_cache.all)
assert item_cache.updates
cache_dir = config["cache-directory"]
assert os.path.exists(os.path.join(cache_dir, "0", "spec", "spec.pickle"))
assert os.path.exists(
os.path.join(cache_dir, "0", "spec", "d", "spec.pickle"))
assert item_cache["/d/c"]["v"] == "c"
assert item_cache["/p"]["v"] == "p"
p = item_cache["/p"]
assert p["v"] == "p"
assert p.map("/p") == p
assert p.map("p") == p
a = item_cache.all
assert len(a) == 2
assert a["/p"]["v"] == "p"
assert a["/d/c"]["v"] == "c"
item_cache_2 = ItemCache(config)
assert not item_cache_2.updates
assert item_cache_2["/d/c"]["v"] == "c"
with open(os.path.join(tmpdir, "spec", "d", "c.yml"), "w+") as out:
out.write("links:\n- role: null\n uid: ../p\nv: x\n")
item_cache_3 = ItemCache(config)
assert item_cache_3.updates
assert item_cache_3["/d/c"]["v"] == "x"
item = item_cache_3.add_volatile_item(
os.path.join(os.path.dirname(__file__), "spec/root.yml"), "/foo/bar")
assert item.uid == "/foo/bar"
assert item.type == ""
assert item["type"] == "spec"
os.remove(os.path.join(tmpdir, "spec", "d", "c.yml"))
item_cache_4 = ItemCache(config)
assert item_cache_4.updates
with pytest.raises(KeyError):
item_cache_4["/d/c"]
def test_load_link_error(tmpdir):
config = create_item_cache_config_and_copy_spec(tmpdir,
"spec-item-cache-2")
with pytest.raises(
KeyError,
match=r"^\"item '/a' links to non-existing item 'nix'\"$"):
ItemCache(config)
def test_load_yaml_error(tmpdir):
config = create_item_cache_config_and_copy_spec(tmpdir,
"spec-item-cache-3")
match = r"""YAML error while loading specification item file '.*invalid.yml': while parsing a block mapping
expected <block end>, but found ':'
in "<unicode string>", line 1, column 1:
:
\^"""
with pytest.raises(IOError, match=match):
ItemCache(config)
def get_x_to_b_value(ctx):
assert ctx.key == "x-to-b"
return ctx.value["b"]
class Mapper(ItemMapper):
def __init__(self, item):
super().__init__(item)
def u(self, value):
return "u" + value
def v(self, value):
return "v" + value
def dup(self, value):
return value + value
def test_item_mapper(tmpdir):
config = create_item_cache_config_and_copy_spec(tmpdir, "spec-item-cache")
item_cache = ItemCache(config)
item = item_cache["/p"]
base_mapper = ItemMapper(item)
assert base_mapper["d/c:v"] == "c"
mapper = Mapper(item)
assert mapper.substitute(None) == ""
assert mapper.substitute(None, prefix="v") == ""
with mapper.prefix("v"):
assert mapper[".:."] == "p"
assert mapper[".:../x/y"] == "z"
item_2, key_path_2, value_2 = mapper.map(".:.")
assert item_2 == item
assert key_path_2 == "/v"
assert value_2 == "p"
assert mapper.substitute("$$${.:.}") == "$p"
assert mapper.substitute("$$${.:.}", prefix="v") == "$p"
with mapper.prefix("x"):
with mapper.prefix("y"):
assert mapper[".:."] == "z"
assert mapper["."] == "/p"
assert mapper["d/c"] == "/d/c"
assert mapper["d/c:v"] == "c"
assert mapper["d/c:a/b"] == "e"
assert mapper["d/c:a/b|u"] == "ue"
mapper.add_get_value(":/a/x-to-b", get_x_to_b_value)
assert mapper["d/c:a/x-to-b|u|v"] == "vue"
assert mapper["d/c:a/f[1]"] == 2
assert mapper["d/c:a/../a/f[3]/g[0]|dup"] == 8
item_3, key_path_3, value_3 = mapper.map("/p:/v")
assert item_3 == item
assert key_path_3 == "/v"
assert value_3 == "p"
recursive_mapper = ItemMapper(item, recursive=True)
assert recursive_mapper.substitute("${.:/r1/r2/r3}") == "foobar"
assert recursive_mapper[".:/r1/r2/r3"] == "foobar"
match = r"substitution for spec:/p using prefix 'blub' failed for text: \${}"
with pytest.raises(ValueError, match=match):
mapper.substitute("${}", item, "blub")
match = r"item 'boom' relative to spec:/p specified by 'boom:bam' does not exist"
with pytest.raises(ValueError, match=match):
mapper.map("boom:bam", item, "blub")
match = r"cannot get value for 'blub/bam' of spec:/p specified by '.:bam'"
with pytest.raises(ValueError, match=match):
mapper.map(".:bam", item, "blub")
def test_empty_item_mapper():
item = EmptyItem()
mapper = ItemMapper(item)
assert mapper.item == item
item_2 = EmptyItem()
mapper.item = item_2
assert mapper.item == item_2
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