# SPDX-License-Identifier: BSD-2-Clause
""" Unit tests for the rtemsspec.items module. """
# Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
#
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# modification, are permitted provided that the following conditions
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# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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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_cache = ItemCache(config)
cache_dir = config["cache-directory"]
assert os.path.exists(os.path.join(cache_dir, "spec", "spec.pickle"))
assert os.path.exists(os.path.join(cache_dir, "spec", "d", "spec.pickle"))
assert item_cache["/d/c"]["v"] == "c"
assert item_cache["/p"]["v"] == "p"
t = item_cache.top_level
assert len(t) == 1
p = t["/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 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["/d/c"]["v"] == "x"
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)
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 get_value(self, ctx):
if ctx.key == "x-to-b":
return ctx.value["b"]
raise KeyError
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_with_prefix(None, "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("$$${.:.}") == "$p"
assert mapper.substitute_with_prefix("$$${.:.}", "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"
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"
with pytest.raises(StopIteration):
for something in mapper:
pass
with pytest.raises(AttributeError):
len(mapper)
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
