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/*
Ousía
Copyright (C) 2014, 2015 Benjamin Paaßen, Andreas Stöckel
This program 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.
This program 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 <plugins/filesystem/FileLocator.hpp>
#include <plugins/filesystem/SpecialPaths.hpp>
#include <boost/filesystem.hpp>
namespace fs = boost::filesystem;
namespace ousia {
TEST(FileLocator, addSearchPath)
{
FileLocator instance;
ASSERT_EQ(0U, instance.getSearchPaths().size());
// Read the canonical path of "."
std::string canonicalPath = fs::canonical(".").generic_string();
// Add one path for three types.
instance.addSearchPath(".",
{ResourceType::DOMAIN_DESC, ResourceType::SCRIPT,
ResourceType::TYPESYSTEM});
ASSERT_EQ(3U, instance.getSearchPaths().size());
auto it = instance.getSearchPaths().find(ResourceType::DOMAIN_DESC);
ASSERT_EQ(1U, it->second.size());
ASSERT_EQ(canonicalPath, it->second[0]);
it = instance.getSearchPaths().find(ResourceType::SCRIPT);
ASSERT_EQ(1U, it->second.size());
ASSERT_EQ(canonicalPath, it->second[0]);
it = instance.getSearchPaths().find(ResourceType::TYPESYSTEM);
ASSERT_EQ(1U, it->second.size());
ASSERT_EQ(canonicalPath, it->second[0]);
it = instance.getSearchPaths().find(ResourceType::ATTRIBUTES);
ASSERT_EQ(it, instance.getSearchPaths().end());
// Adding the path another time should not increase the number of found
// paths, except for new resource types
instance.addSearchPath(
canonicalPath, {ResourceType::DOMAIN_DESC, ResourceType::SCRIPT,
ResourceType::TYPESYSTEM, ResourceType::ATTRIBUTES});
ASSERT_EQ(4U, instance.getSearchPaths().size());
it = instance.getSearchPaths().find(ResourceType::DOMAIN_DESC);
ASSERT_EQ(1U, it->second.size());
ASSERT_EQ(canonicalPath, it->second[0]);
it = instance.getSearchPaths().find(ResourceType::SCRIPT);
ASSERT_EQ(1U, it->second.size());
ASSERT_EQ(canonicalPath, it->second[0]);
it = instance.getSearchPaths().find(ResourceType::TYPESYSTEM);
ASSERT_EQ(1U, it->second.size());
ASSERT_EQ(canonicalPath, it->second[0]);
it = instance.getSearchPaths().find(ResourceType::ATTRIBUTES);
ASSERT_EQ(1U, it->second.size());
ASSERT_EQ(canonicalPath, it->second[0]);
// Add another path for only one of those types.
std::string canonicalPath2 = fs::canonical("..").generic_string();
instance.addSearchPath("..", {ResourceType::DOMAIN_DESC});
ASSERT_EQ(4U, instance.getSearchPaths().size());
it = instance.getSearchPaths().find(ResourceType::DOMAIN_DESC);
ASSERT_EQ(2U, it->second.size());
ASSERT_EQ(canonicalPath, it->second[0]);
ASSERT_EQ(canonicalPath2, it->second[1]);
}
void assert_located(const FileLocator &instance, const std::string &path,
const std::string &relativeTo,
ResourceType type = ResourceType::DOMAIN_DESC)
{
Resource res;
ASSERT_TRUE(instance.locate(res, path, type, relativeTo));
ASSERT_TRUE(res.isValid());
fs::path p(res.getLocation());
ASSERT_TRUE(fs::exists(p));
}
void assert_not_located(const FileLocator &instance, const std::string &path,
const std::string &relativeTo,
ResourceType type = ResourceType::DOMAIN_DESC)
{
Resource res;
ASSERT_FALSE(instance.locate(res, path, type, relativeTo));
ASSERT_FALSE(res.isValid());
}
TEST(FileLocator, locate)
{
FileLocator locator;
locator.addUnittestSearchPath("filesystem");
// We should be able to find a.txt, but not c.txt
assert_located(locator, "a.txt", "");
assert_not_located(locator, "c.txt", "");
// Add the respective search path
locator.addUnittestSearchPath("filesystem/b", ResourceType::DOMAIN_DESC);
// Now we should be able to find both.
assert_located(locator, "a.txt", "");
assert_located(locator, "c.txt", "");
// But only with the correct type.
assert_not_located(locator, "c.txt", "", ResourceType::SCRIPT);
}
TEST(FileLocator, locateRelative)
{
FileLocator locator;
locator.addUnittestSearchPath("filesystem");
// Add the respective search path
locator.addUnittestSearchPath("filesystem/b");
Resource resA, resC;
ASSERT_TRUE(locator.locate(resA, "a.txt"));
ASSERT_TRUE(locator.locate(resC, "c.txt"));
Resource resD;
ASSERT_TRUE(locator.locate(resD, "d.txt"));
ASSERT_TRUE(locator.locate(resD, "d.txt", ResourceType::UNKNOWN, resA));
ASSERT_TRUE(locator.locate(resD, "d.txt", ResourceType::UNKNOWN, resC));
ASSERT_FALSE(locator.locate(resD, "./d.txt", ResourceType::UNKNOWN, resA));
ASSERT_TRUE(locator.locate(resD, "./d.txt", ResourceType::UNKNOWN, resC));
/*
* There are two e.txt, one in filesystem, one in b. If we simply look for
* e.txt, filesystem/b/e.txt will be returned, because search paths added
* last take precedence. This will be the case even if we search relative
* to a.txt, which is in filesystem. Only if we look for ./e.txt relative to
* a.txt will e.txt be returned.
*/
Resource resE;
ASSERT_TRUE(locator.locate(resE, "e.txt", ResourceType::UNKNOWN));
fs::path ePath{resE.getLocation()};
ASSERT_EQ("b", ePath.parent_path().filename());
ASSERT_TRUE(locator.locate(resE, "e.txt", ResourceType::UNKNOWN, resA));
ePath = resE.getLocation();
ASSERT_EQ("b", ePath.parent_path().filename());
ASSERT_TRUE(locator.locate(resE, "./e.txt", ResourceType::UNKNOWN, resA));
ePath = resE.getLocation();
ASSERT_EQ("filesystem", ePath.parent_path().filename());
ASSERT_FALSE(locator.locate(resE, "../e.txt", ResourceType::UNKNOWN, resA));
}
TEST(FileLocator, testStream)
{
FileLocator locator;
locator.addUnittestSearchPath("filesystem");
// Locate the CMakeLists.txt
Resource res;
locator.locate(res, "a.txt");
// Fetch the input stream and read the first line
auto is_ptr = res.stream();
std::string line;
std::getline(*is_ptr, line);
ASSERT_EQ("file a", line);
}
TEST(FileLocator, testDefaultSearchPaths)
{
FileLocator locator;
locator.addDefaultSearchPaths();
assert_not_located(locator, "book.oxm", "", ResourceType::UNKNOWN);
assert_located(locator, "domain/book.oxm", "", ResourceType::UNKNOWN);
assert_located(locator, "book.oxm", "", ResourceType::DOMAIN_DESC);
assert_not_located(locator, "color.oxm", "", ResourceType::UNKNOWN);
assert_located(locator, "typesystem/color.oxm", "", ResourceType::UNKNOWN);
assert_located(locator, "color.oxm", "", ResourceType::TYPESYSTEM);
}
}
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