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91b6833686
Today, with the tests inside a `tests` intermingled with the
corresponding library's source code, we have a few problems:
- We have to be careful that wildcards don't end up with tests being
built as part of Nix proper, or test headers being installed as part
of Nix proper.
- Tests in libraries but not executables is not right:
- It means each executable runs the previous unit tests again, because
it needs the libraries.
- It doesn't work right on Windows, which doesn't want you to load a
DLL just for the side global variable . It could be made to work
with the dlopen equivalent, but that's gross!
This reorg solves these problems.
There is a remaining problem which is that sibbling headers (like
`hash.hh` the test header vs `hash.hh` the main `libnixutil` header) end
up shadowing each other. This PR doesn't solve that. That is left as
future work for a future PR.
Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io>
96 lines
3.1 KiB
C++
96 lines
3.1 KiB
C++
#include "compression.hh"
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#include <gtest/gtest.h>
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namespace nix {
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/* ----------------------------------------------------------------------------
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* compress / decompress
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* --------------------------------------------------------------------------*/
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TEST(compress, compressWithUnknownMethod) {
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ASSERT_THROW(compress("invalid-method", "something-to-compress"), UnknownCompressionMethod);
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}
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TEST(compress, noneMethodDoesNothingToTheInput) {
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auto o = compress("none", "this-is-a-test");
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ASSERT_EQ(o, "this-is-a-test");
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}
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TEST(decompress, decompressNoneCompressed) {
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auto method = "none";
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auto str = "slfja;sljfklsa;jfklsjfkl;sdjfkl;sadjfkl;sdjf;lsdfjsadlf";
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auto o = decompress(method, str);
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ASSERT_EQ(o, str);
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}
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TEST(decompress, decompressEmptyCompressed) {
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// Empty-method decompression used e.g. by S3 store
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// (Content-Encoding == "").
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auto method = "";
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auto str = "slfja;sljfklsa;jfklsjfkl;sdjfkl;sadjfkl;sdjf;lsdfjsadlf";
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auto o = decompress(method, str);
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ASSERT_EQ(o, str);
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}
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TEST(decompress, decompressXzCompressed) {
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auto method = "xz";
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auto str = "slfja;sljfklsa;jfklsjfkl;sdjfkl;sadjfkl;sdjf;lsdfjsadlf";
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auto o = decompress(method, compress(method, str));
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ASSERT_EQ(o, str);
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}
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TEST(decompress, decompressBzip2Compressed) {
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auto method = "bzip2";
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auto str = "slfja;sljfklsa;jfklsjfkl;sdjfkl;sadjfkl;sdjf;lsdfjsadlf";
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auto o = decompress(method, compress(method, str));
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ASSERT_EQ(o, str);
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}
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TEST(decompress, decompressBrCompressed) {
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auto method = "br";
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auto str = "slfja;sljfklsa;jfklsjfkl;sdjfkl;sadjfkl;sdjf;lsdfjsadlf";
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auto o = decompress(method, compress(method, str));
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ASSERT_EQ(o, str);
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}
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TEST(decompress, decompressInvalidInputThrowsCompressionError) {
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auto method = "bzip2";
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auto str = "this is a string that does not qualify as valid bzip2 data";
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ASSERT_THROW(decompress(method, str), CompressionError);
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}
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/* ----------------------------------------------------------------------------
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* compression sinks
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* --------------------------------------------------------------------------*/
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TEST(makeCompressionSink, noneSinkDoesNothingToInput) {
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StringSink strSink;
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auto inputString = "slfja;sljfklsa;jfklsjfkl;sdjfkl;sadjfkl;sdjf;lsdfjsadlf";
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auto sink = makeCompressionSink("none", strSink);
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(*sink)(inputString);
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sink->finish();
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ASSERT_STREQ(strSink.s.c_str(), inputString);
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}
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TEST(makeCompressionSink, compressAndDecompress) {
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StringSink strSink;
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auto inputString = "slfja;sljfklsa;jfklsjfkl;sdjfkl;sadjfkl;sdjf;lsdfjsadlf";
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auto decompressionSink = makeDecompressionSink("bzip2", strSink);
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auto sink = makeCompressionSink("bzip2", *decompressionSink);
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(*sink)(inputString);
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sink->finish();
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decompressionSink->finish();
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ASSERT_STREQ(strSink.s.c_str(), inputString);
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}
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}
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