forked from lix-project/lix
tests/compression: rewrite
This test suite was in desperate need of using the parameterization
available with gtest, and was a bunch of useless duplicated code. At
least now it's not duplicated code, though it still probably should be
more full of property tests.
Change-Id: Ia8ccee7ef4f02b2fa40417b79aa8c8f0626ea479
This commit is contained in:
parent
8ab5743904
commit
4046e019ca
|
|
@ -3,105 +3,137 @@
|
|||
|
||||
namespace nix {
|
||||
|
||||
/* ----------------------------------------------------------------------------
|
||||
* compress / decompress
|
||||
* --------------------------------------------------------------------------*/
|
||||
|
||||
TEST(compress, compressWithUnknownMethod) {
|
||||
ASSERT_THROW(compress("invalid-method", "something-to-compress"), UnknownCompressionMethod);
|
||||
}
|
||||
|
||||
TEST(compress, noneMethodDoesNothingToTheInput) {
|
||||
auto o = compress("none", "this-is-a-test");
|
||||
|
||||
ASSERT_EQ(o, "this-is-a-test");
|
||||
}
|
||||
|
||||
TEST(decompress, decompressNoneCompressed) {
|
||||
auto method = "none";
|
||||
auto str = "slfja;sljfklsa;jfklsjfkl;sdjfkl;sadjfkl;sdjf;lsdfjsadlf";
|
||||
auto o = decompress(method, str);
|
||||
|
||||
ASSERT_EQ(o, str);
|
||||
}
|
||||
|
||||
TEST(decompress, decompressEmptyCompressed) {
|
||||
// Empty-method decompression used e.g. by S3 store
|
||||
// (Content-Encoding == "").
|
||||
auto method = "";
|
||||
auto str = "slfja;sljfklsa;jfklsjfkl;sdjfkl;sadjfkl;sdjf;lsdfjsadlf";
|
||||
auto o = decompress(method, str);
|
||||
|
||||
ASSERT_EQ(o, str);
|
||||
}
|
||||
|
||||
TEST(decompress, decompressXzCompressed) {
|
||||
auto method = "xz";
|
||||
auto str = "slfja;sljfklsa;jfklsjfkl;sdjfkl;sadjfkl;sdjf;lsdfjsadlf";
|
||||
auto o = decompress(method, compress(method, str));
|
||||
|
||||
ASSERT_EQ(o, str);
|
||||
}
|
||||
|
||||
TEST(decompress, decompressBzip2Compressed) {
|
||||
auto method = "bzip2";
|
||||
auto str = "slfja;sljfklsa;jfklsjfkl;sdjfkl;sadjfkl;sdjf;lsdfjsadlf";
|
||||
auto o = decompress(method, compress(method, str));
|
||||
|
||||
ASSERT_EQ(o, str);
|
||||
}
|
||||
|
||||
TEST(decompress, decompressBrCompressed) {
|
||||
auto method = "br";
|
||||
auto str = "slfja;sljfklsa;jfklsjfkl;sdjfkl;sadjfkl;sdjf;lsdfjsadlf";
|
||||
auto o = decompress(method, compress(method, str));
|
||||
|
||||
ASSERT_EQ(o, str);
|
||||
}
|
||||
|
||||
TEST(decompress, decompressInvalidInputThrowsCompressionError) {
|
||||
auto method = "bzip2";
|
||||
auto str = "this is a string that does not qualify as valid bzip2 data";
|
||||
|
||||
ASSERT_THROW(decompress(method, str), CompressionError);
|
||||
}
|
||||
|
||||
TEST(decompress, veryLongBrotli) {
|
||||
auto method = "br";
|
||||
auto str = std::string(65536, 'a');
|
||||
auto o = decompress(method, compress(method, str));
|
||||
|
||||
// This is just to not print 64k of "a" for most failures
|
||||
ASSERT_EQ(o.length(), str.length());
|
||||
ASSERT_EQ(o, str);
|
||||
}
|
||||
|
||||
/* ----------------------------------------------------------------------------
|
||||
* compression sinks
|
||||
* --------------------------------------------------------------------------*/
|
||||
|
||||
TEST(makeCompressionSink, noneSinkDoesNothingToInput) {
|
||||
StringSink strSink;
|
||||
auto inputString = "slfja;sljfklsa;jfklsjfkl;sdjfkl;sadjfkl;sdjf;lsdfjsadlf";
|
||||
auto sink = makeCompressionSink("none", strSink);
|
||||
(*sink)(inputString);
|
||||
sink->finish();
|
||||
|
||||
ASSERT_STREQ(strSink.s.c_str(), inputString);
|
||||
}
|
||||
|
||||
TEST(makeCompressionSink, compressAndDecompress) {
|
||||
auto inputString = "slfja;sljfklsa;jfklsjfkl;sdjfkl;sadjfkl;sdjf;lsdfjsadlf";
|
||||
|
||||
StringSink strSink;
|
||||
auto sink = makeCompressionSink("bzip2", strSink);
|
||||
(*sink)(inputString);
|
||||
sink->finish();
|
||||
|
||||
StringSource strSource{strSink.s};
|
||||
auto decompressionSource = makeDecompressionSource("bzip2", strSource);
|
||||
|
||||
ASSERT_STREQ(decompressionSource->drain().c_str(), inputString);
|
||||
}
|
||||
/* ----------------------------------------------------------------------------
|
||||
* compress / decompress
|
||||
* --------------------------------------------------------------------------*/
|
||||
|
||||
TEST(compress, compressWithUnknownMethod)
|
||||
{
|
||||
ASSERT_THROW(compress("invalid-method", "something-to-compress"), UnknownCompressionMethod);
|
||||
}
|
||||
|
||||
TEST(compress, noneMethodDoesNothingToTheInput)
|
||||
{
|
||||
auto o = compress("none", "this-is-a-test");
|
||||
|
||||
ASSERT_EQ(o, "this-is-a-test");
|
||||
}
|
||||
|
||||
TEST(decompress, decompressEmptyString)
|
||||
{
|
||||
// Empty-method decompression used e.g. by S3 store
|
||||
// (Content-Encoding == "").
|
||||
auto o = decompress("", "this-is-a-test");
|
||||
|
||||
ASSERT_EQ(o, "this-is-a-test");
|
||||
}
|
||||
|
||||
/* ----------------------------------------------------------------------------
|
||||
* compression sinks
|
||||
* --------------------------------------------------------------------------*/
|
||||
|
||||
TEST(makeCompressionSink, noneSinkDoesNothingToInput)
|
||||
{
|
||||
auto method = "none";
|
||||
StringSink strSink;
|
||||
auto inputString = "slfja;sljfklsa;jfklsjfkl;sdjfkl;sadjfkl;sdjf;lsdfjsadlf";
|
||||
auto sink = makeCompressionSink(method, strSink);
|
||||
(*sink)(inputString);
|
||||
sink->finish();
|
||||
|
||||
ASSERT_STREQ(strSink.s.c_str(), inputString);
|
||||
}
|
||||
|
||||
/** Tests applied to all compression types */
|
||||
class PerTypeCompressionTest : public testing::TestWithParam<const char *>
|
||||
{};
|
||||
|
||||
/** Tests applied to non-passthrough compression types */
|
||||
class PerTypeNonNullCompressionTest : public testing::TestWithParam<const char *>
|
||||
{};
|
||||
|
||||
constexpr const char * COMPRESSION_TYPES_NONNULL[] = {
|
||||
// libarchive
|
||||
"bzip2",
|
||||
"compress",
|
||||
"gzip",
|
||||
"lzip",
|
||||
"lzma",
|
||||
"xz",
|
||||
"zstd",
|
||||
// Uses external program via libarchive so cannot be used :(
|
||||
/*
|
||||
"grzip",
|
||||
"lrzip",
|
||||
"lzop",
|
||||
"lz4",
|
||||
*/
|
||||
// custom
|
||||
"br",
|
||||
};
|
||||
|
||||
INSTANTIATE_TEST_SUITE_P(
|
||||
compressionNonNull, PerTypeNonNullCompressionTest, testing::ValuesIn(COMPRESSION_TYPES_NONNULL)
|
||||
);
|
||||
INSTANTIATE_TEST_SUITE_P(
|
||||
compressionNonNull, PerTypeCompressionTest, testing::ValuesIn(COMPRESSION_TYPES_NONNULL)
|
||||
);
|
||||
|
||||
INSTANTIATE_TEST_SUITE_P(
|
||||
compressionNull, PerTypeCompressionTest, testing::Values("none")
|
||||
);
|
||||
|
||||
/* ---------------------------------------
|
||||
* All compression types
|
||||
* --------------------------------------- */
|
||||
|
||||
TEST_P(PerTypeCompressionTest, roundTrips)
|
||||
{
|
||||
auto method = GetParam();
|
||||
auto str = "slfja;sljfklsa;jfklsjfkl;sdjfkl;sadjfkl;sdjf;lsdfjsadlf";
|
||||
auto o = decompress(method, compress(method, str));
|
||||
|
||||
ASSERT_EQ(o, str);
|
||||
}
|
||||
|
||||
TEST_P(PerTypeCompressionTest, longerThanBuffer)
|
||||
{
|
||||
// This is targeted originally at regression testing a brotli bug, but we might as well do it to
|
||||
// everything
|
||||
auto method = GetParam();
|
||||
auto str = std::string(65536, 'a');
|
||||
auto o = decompress(method, compress(method, str));
|
||||
|
||||
// This is just to not print 64k of "a" for most failures
|
||||
ASSERT_EQ(o.length(), str.length());
|
||||
ASSERT_EQ(o, str);
|
||||
}
|
||||
|
||||
TEST_P(PerTypeCompressionTest, sinkAndSource)
|
||||
{
|
||||
auto method = GetParam();
|
||||
auto inputString = "slfja;sljfklsa;jfklsjfkl;sdjfkl;sadjfkl;sdjf;lsdfjsadlf";
|
||||
|
||||
StringSink strSink;
|
||||
auto sink = makeCompressionSink(method, strSink);
|
||||
(*sink)(inputString);
|
||||
sink->finish();
|
||||
|
||||
StringSource strSource{strSink.s};
|
||||
auto decompressionSource = makeDecompressionSource(method, strSource);
|
||||
|
||||
ASSERT_STREQ(decompressionSource->drain().c_str(), inputString);
|
||||
}
|
||||
|
||||
/* ---------------------------------------
|
||||
* Non null compression types
|
||||
* --------------------------------------- */
|
||||
|
||||
TEST_P(PerTypeNonNullCompressionTest, bogusInputDecompression)
|
||||
{
|
||||
auto param = GetParam();
|
||||
|
||||
auto bogus = "this data is bogus and should throw when decompressing";
|
||||
ASSERT_THROW(decompress(param, bogus), CompressionError);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue