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test(falco): adding unit tests for yaml_configuration

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Signed-off-by: Jason Dellaluce <jasondellaluce@gmail.com>
This commit is contained in:
Jason Dellaluce 2021-11-17 14:52:12 +00:00 committed by poiana
parent d8c588becf
commit 076aabcea6
2 changed files with 123 additions and 2 deletions
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19
tests/CMakeLists.txt
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@ -15,9 +15,24 @@
# the License.
#
if(MINIMAL_BUILD)
set(FALCO_TESTS_SOURCES test_base.cpp engine/test_token_bucket.cpp engine/test_rulesets.cpp engine/test_falco_utils.cpp)
set(
FALCO_TESTS_SOURCES
test_base.cpp
engine/test_token_bucket.cpp
engine/test_rulesets.cpp
engine/test_falco_utils.cpp
falco/test_configuration.cpp
)
else()
set(FALCO_TESTS_SOURCES test_base.cpp engine/test_token_bucket.cpp engine/test_rulesets.cpp engine/test_falco_utils.cpp falco/test_webserver.cpp)
set(
FALCO_TESTS_SOURCES
test_base.cpp
engine/test_token_bucket.cpp
engine/test_rulesets.cpp
engine/test_falco_utils.cpp
falco/test_configuration.cpp
falco/test_webserver.cpp
)
endif()
set(FALCO_TESTED_LIBRARIES falco_engine yaml-cpp)

106
tests/falco/test_configuration.cpp Normal file
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@ -0,0 +1,106 @@
/*
Copyright (C) 2021 The Falco Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include "configuration.h"
#include <catch.hpp>
string sample_yaml =
"base_value:\n"
" id: 1\n"
" name: 'sample_name'\n"
" subvalue:\n"
" subvalue2:\n"
" boolean: true\n"
"base_value_2:\n"
" sample_list:\n"
" - elem1\n"
" - elem2\n"
" - elem3\n"
;
TEST_CASE("configuration must load YAML data", "[configuration]")
{
yaml_configuration conf;
SECTION("broken YAML")
{
string sample_broken_yaml = sample_yaml + " / bad_symbol";
REQUIRE_THROWS(conf.load_from_string(sample_broken_yaml));
}
SECTION("valid YAML")
{
REQUIRE_NOTHROW(conf.load_from_string(sample_yaml));
}
SECTION("clearing and reloading")
{
conf.load_from_string(sample_yaml);
REQUIRE(conf.is_defined("base_value") == true);
conf.clear();
REQUIRE(conf.is_defined("base_value") == false);
conf.load_from_string(sample_yaml);
REQUIRE(conf.is_defined("base_value") == true);
}
}
TEST_CASE("configuration must read YAML fields", "[configuration]")
{
yaml_configuration conf;
conf.load_from_string(sample_yaml);
SECTION("base level")
{
REQUIRE(conf.is_defined("base_value") == true);
REQUIRE(conf.is_defined("base_value_2") == true);
REQUIRE(conf.is_defined("unknown_base_value") == false);
}
SECTION("arbitrary depth nesting")
{
REQUIRE(conf.get_scalar<int>("base_value.id", -1) == 1);
REQUIRE(conf.get_scalar<string>("base_value.name", "none") == "sample_name");
REQUIRE(conf.get_scalar<bool>("base_value.subvalue.subvalue2.boolean", false) == true);
}
SECTION("list field elements")
{
REQUIRE(conf.get_scalar<string>("base_value_2.sample_list[0]", "none") == "elem1");
REQUIRE(conf.get_scalar<string>("base_value_2.sample_list[1]", "none") == "elem2");
REQUIRE(conf.get_scalar<string>("base_value_2.sample_list[2]", "none") == "elem3");
}
SECTION("sequence")
{
vector<string> seq;
conf.get_sequence(seq, "base_value_2.sample_list");
REQUIRE(seq.size() == 3);
REQUIRE(seq[0] == "elem1");
REQUIRE(seq[1] == "elem2");
REQUIRE(seq[2] == "elem3");
}
}
TEST_CASE("configuration must modify YAML fields", "[configuration]")
{
string key = "base_value.subvalue.subvalue2.boolean";
yaml_configuration conf;
conf.load_from_string(sample_yaml);
REQUIRE(conf.get_scalar<bool>(key, false) == true);
conf.set_scalar<bool>(key, false);
REQUIRE(conf.get_scalar<bool>(key, true) == false);
conf.set_scalar<bool>(key, true);
REQUIRE(conf.get_scalar<bool>(key, false) == true);
}