TEST_F(TestCacheManager, LocalStoreAndFetch) {
CacheManager cm;
string name = "/test/name";
EXPECT_FALSE(cm.entryExists(name));
EXPECT_FALSE(cm.fileExists(name));
EXPECT_FALSE(cm.dirExists(name));
const char* data;
uint64_t data_len;
bool compressed;
EXPECT_FALSE(cm.getFileContents(name, &data, &data_len, &compressed));
string uncompressed;
EXPECT_FALSE(cm.getDecompressed(name, &uncompressed));
uint64_t uncompressed_size;
EXPECT_FALSE(cm.getUncompressedFileSize(name, &uncompressed_size));
// Add a real (highly compressible) file for it to read in.
string test_data;
for (int i = 0; i < 1024; ++i) {
test_data.append("123456789012345678901234567890");
}
string data_fn;
ASSERT_TRUE(makeTempFile(test_data, &data_fn));
ASSERT_TRUE(cm.addFileContents(name, data_fn));
ASSERT_EQ(unlink(data_fn.c_str()), 0);
EXPECT_TRUE(cm.entryExists(name));
EXPECT_TRUE(cm.fileExists(name));
EXPECT_FALSE(cm.dirExists(name));
// The "/test" of "/test/name" should have been added as a directory.
EXPECT_TRUE(cm.dirExists("/test"));
EXPECT_TRUE(cm.getFileContents(name, &data, &data_len, &compressed));
EXPECT_TRUE(compressed);
// It's compressed, so it'll be different.
ASSERT_NE(memcmp(test_data.c_str(), data, data_len), 0);
ASSERT_TRUE(cm.getUncompressedFileSize(name, &uncompressed_size));
EXPECT_EQ(test_data.length(), uncompressed_size);
// So let's decompress it.
ASSERT_TRUE(cm.getDecompressed(name, &uncompressed));
ASSERT_EQ(test_data.length(), uncompressed.length());
ASSERT_EQ(test_data, uncompressed);
}
TEST_F(TestCacheManager, AddUncompressibleData) {
string test_data = "let's hope this won't compress too terribly well.";
string data_fn;
ASSERT_TRUE(makeTempFile(test_data, &data_fn));
CacheManager cm;
string name = "/test/name";
ASSERT_TRUE(cm.addFileContents(name, data_fn));
ASSERT_EQ(unlink(data_fn.c_str()), 0);
ASSERT_TRUE(cm.dirExists("/test"));
// Read it back from the cache.
const char* data;
uint64_t data_len;
bool compressed;
EXPECT_TRUE(cm.getFileContents(name, &data, &data_len, &compressed));
ASSERT_FALSE(compressed);
EXPECT_EQ(data_len, test_data.length());
ASSERT_EQ(memcmp(test_data.c_str(), data, data_len), 0);
uint64_t file_size;
ASSERT_TRUE(cm.getUncompressedFileSize(name, &file_size));
EXPECT_EQ(file_size, test_data.length());
}
TEST_F(TestCacheManager, Empty) {
CacheManager cm;
string name = "/test/name";
EXPECT_FALSE(cm.entryExists(name));
EXPECT_FALSE(cm.fileExists(name));
EXPECT_FALSE(cm.dirExists(name));
ASSERT_TRUE(cm.addEmptyEntry(name));
EXPECT_TRUE(cm.entryExists(name));
EXPECT_FALSE(cm.fileExists(name));
EXPECT_FALSE(cm.dirExists(name));
const char* data;
uint64_t data_len;
bool compressed;
EXPECT_FALSE(cm.getFileContents(name, &data, &data_len, &compressed));
string uncompressed;
EXPECT_FALSE(cm.getDecompressed(name, &uncompressed));
uint64_t file_size;
EXPECT_FALSE(cm.getUncompressedFileSize(name, &file_size));
}
