Added unittests for FileFinder::FileFinder class.

Signed-off-by: Lukasz Gromanowski <lgromanowski@gmail.com>

apps/openmw_test_suite/components/file_finder/test_filefinder.cpp

@@ -0,0 +1,52 @@
+//FileFinderT
+#include <gtest/gtest.h>
+#include <fstream>
+#include "components/file_finder/file_finder.hpp"
+
+struct FileFinderTest : public ::testing::Test
+{
+  protected:
+    FileFinderTest()
+      : mTestDir("./filefinder_test_dir/")
+      , mTestFile("test.txt")
+      , mTestFileUppercase("TEST.TXT")
+      , mTestFileNotFound("foobarbaz.txt")
+    {
+    }
+
+    virtual void SetUp()
+    {
+      boost::filesystem::create_directory(boost::filesystem::path(mTestDir));
+
+      std::ofstream ofs(std::string(mTestDir + mTestFile).c_str(), std::ofstream::out);
+      ofs << std::endl;
+      ofs.close();
+    }
+
+    virtual void TearDown()
+    {
+      boost::filesystem::remove_all(boost::filesystem::path(mTestDir));
+    }
+
+    std::string mTestDir;
+    std::string mTestFile;
+    std::string mTestFileUppercase;
+    std::string mTestFileNotFound;
+};
+
+TEST_F(FileFinderTest, FileFinder_has_file)
+{
+  FileFinder::FileFinder fileFinder(mTestDir);
+  ASSERT_TRUE(fileFinder.has(mTestFile));
+  ASSERT_TRUE(fileFinder.has(mTestFileUppercase));
+  ASSERT_TRUE(fileFinder.lookup(mTestFile) == std::string(mTestDir + mTestFile));
+  ASSERT_TRUE(fileFinder.lookup(mTestFileUppercase) == std::string(mTestDir + mTestFile));
+}
+
+TEST_F(FileFinderTest, FileFinder_does_not_have_file)
+{
+  FileFinder::FileFinder fileFinder(mTestDir);
+  ASSERT_FALSE(fileFinder.has(mTestFileNotFound));
+  ASSERT_TRUE(fileFinder.lookup(mTestFileNotFound).empty());
+}
+