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/* Copyright (C) 2012-2024 by László Nagy
This file is part of Bear.
Bear is a tool to generate compilation database for clang tooling.
Bear is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Bear is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "gtest/gtest.h"
#include "gmock/gmock.h"
#include "semantic/Tool.h"
#include "semantic/ToolWrapper.h"
#include "report/libexec/Resolver.h"
using namespace cs::semantic;
using ::testing::_;
using ::testing::Eq;
using ::testing::Return;
namespace {
class ResolverMock : public el::Resolver {
public:
MOCK_METHOD(
(rust::Result<const char*, int>),
from_current_directory,
(std::string_view const &),
(override)
);
MOCK_METHOD(
(rust::Result<const char*, int>),
from_path,
(std::string_view const &, const char **),
(override)
);
MOCK_METHOD(
(rust::Result<const char*, int>),
from_search_path,
(std::string_view const &, const char *),
(override)
);
};
TEST(ToolWrapper, is_ccache_call) {
EXPECT_FALSE(ToolWrapper::is_ccache_call("cc"));
EXPECT_FALSE(ToolWrapper::is_ccache_call("/usr/bin/cc"));
EXPECT_FALSE(ToolWrapper::is_ccache_call("gcc"));
EXPECT_FALSE(ToolWrapper::is_ccache_call("/usr/bin/gcc"));
EXPECT_FALSE(ToolWrapper::is_ccache_call("c++"));
EXPECT_FALSE(ToolWrapper::is_ccache_call("/usr/bin/c++"));
EXPECT_FALSE(ToolWrapper::is_ccache_call("g++"));
EXPECT_FALSE(ToolWrapper::is_ccache_call("/usr/bin/g++"));
EXPECT_TRUE(ToolWrapper::is_ccache_call("ccache"));
}
TEST(ToolWrapper, is_ccache_query) {
EXPECT_TRUE(ToolWrapper::is_ccache_query({"ccache"}));
EXPECT_TRUE(ToolWrapper::is_ccache_query({"ccache", "-c"}));
EXPECT_TRUE(ToolWrapper::is_ccache_query({"ccache", "--cleanup"}));
EXPECT_FALSE(ToolWrapper::is_ccache_query({"ccache", "cc", "-c"}));
}
TEST(ToolWrapper, is_distcc_call) {
EXPECT_FALSE(ToolWrapper::is_distcc_call("cc"));
EXPECT_FALSE(ToolWrapper::is_distcc_call("/usr/bin/cc"));
EXPECT_FALSE(ToolWrapper::is_distcc_call("gcc"));
EXPECT_FALSE(ToolWrapper::is_distcc_call("/usr/bin/gcc"));
EXPECT_FALSE(ToolWrapper::is_distcc_call("c++"));
EXPECT_FALSE(ToolWrapper::is_distcc_call("/usr/bin/c++"));
EXPECT_FALSE(ToolWrapper::is_distcc_call("g++"));
EXPECT_FALSE(ToolWrapper::is_distcc_call("/usr/bin/g++"));
EXPECT_TRUE(ToolWrapper::is_distcc_call("distcc"));
}
TEST(ToolWrapper, is_distcc_query) {
EXPECT_TRUE(ToolWrapper::is_ccache_query({"distcc"}));
EXPECT_TRUE(ToolWrapper::is_ccache_query({"distcc", "--help"}));
EXPECT_TRUE(ToolWrapper::is_ccache_query({"distcc", "--show-hosts"}));
EXPECT_TRUE(ToolWrapper::is_ccache_query({"distcc", "-j"}));
EXPECT_FALSE(ToolWrapper::is_ccache_query({"distcc", "cc", "--help"}));
EXPECT_FALSE(ToolWrapper::is_ccache_query({"distcc", "cc", "-c"}));
}
TEST(ToolWrapper, remove_wrapper) {
const Execution input = {
"/usr/bin/ccache",
{"ccache", "cc", "-c", "-o", "source.o", "source.c"},
"/home/user/project",
{{"PATH", "/usr/bin:/usr/sbin"}},
};
const Execution expected = {
"/usr/bin/cc",
{"cc", "-c", "-o", "source.o", "source.c"},
"/home/user/project",
{{"PATH", "/usr/bin:/usr/sbin"}},
};
ResolverMock resolver;
EXPECT_CALL(resolver, from_search_path(Eq(std::string_view("cc")), _))
.Times(1)
.WillOnce(Return(rust::Result<const char*, int>(rust::Ok("/usr/bin/cc"))));
auto result = ToolWrapper::remove_wrapper(resolver, input);
EXPECT_EQ(expected, result);
}
TEST(ToolWrapper, remove_wrapper_fails_to_resolve) {
const Execution input = {
"/usr/bin/ccache",
{"ccache", "cc", "-c", "-o", "source.o", "source.c"},
"/home/user/project",
{{"PATH", "/usr/bin:/usr/sbin"}},
};
const Execution expected = {
"cc",
{"cc", "-c", "-o", "source.o", "source.c"},
"/home/user/project",
{{"PATH", "/usr/bin:/usr/sbin"}},
};
ResolverMock resolver;
EXPECT_CALL(resolver, from_search_path(Eq(std::string_view("cc")), _))
.Times(1)
.WillOnce(Return(rust::Result<const char*, int>(rust::Err(12))));
auto result = ToolWrapper::remove_wrapper(resolver, input);
EXPECT_EQ(expected, result);
}
}
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