Tests are broken

[dzenanz]

CI is broken. In a pull request #54, excerpt from the build log:

/usr/share/miniconda/envs/xtensor-zarr/bin/../lib/gcc/x86_64-conda-linux-gnu/11.2.0/../../../../x86_64-conda-linux-gnu/bin/ld: warning: libnsl.so.1, needed by /usr/share/miniconda/envs/xtensor-zarr/lib/libxerces-c-3.2.so, not found (try using -rpath or -rpath-link)
/usr/share/miniconda/envs/xtensor-zarr/bin/../lib/gcc/x86_64-conda-linux-gnu/11.2.0/../../../../x86_64-conda-linux-gnu/bin/ld: /usr/share/miniconda/envs/xtensor-zarr/lib/libpq.so.5: undefined reference to `memcpy@GLIBC_2.14'
collect2: error: ld returned 1 exit status
test/CMakeFiles/test_xtensor_zarr.dir/build.make:198: recipe for target 'test/test_xtensor_zarr' failed

Furthermore, running test_xtensor_zarr locally has multiple failures:

[==========] Running 12 tests from 2 test suites.
[----------] Global test environment set-up.
[----------] 10 tests from xzarr_hierarchy
[ RUN      ] xzarr_hierarchy.read_v2
unknown file: error: C++ exception with description "Unkown compressor type: gzip" thrown in the test body.
[  FAILED  ] xzarr_hierarchy.read_v2 (3 ms)
[ RUN      ] xzarr_hierarchy.read_array
[       OK ] xzarr_hierarchy.read_array (5 ms)
[ RUN      ] xzarr_hierarchy.write_array
unknown file: error: C++ exception with description "Unkown compressor type: gzip" thrown in the test body.
[  FAILED  ] xzarr_hierarchy.write_array (3 ms)
[ RUN      ] xzarr_hierarchy.create_group
[       OK ] xzarr_hierarchy.create_group (3 ms)
[ RUN      ] xzarr_hierarchy.create_node
[       OK ] xzarr_hierarchy.create_node (8 ms)
[ RUN      ] xzarr_hierarchy.explore
C:\Libs\xtensor-zarr\test\test_zarr.cpp(112): error: Expected equality of these values:
  nodes
    Which is: "{\"arthur\\\\dent\":\"array\",\"marvin\":\"explicit_group\",\"marvin\\\\android\":\"array\",\"marvin\\\\paranoid\":\"explicit_group\",\"tricia\\\\mcmillan\":\"explicit_group\"}"
  "{\"arthur\":\"implicit_group\",\"arthur/dent\":\"array\",\"marvin\":\"explicit_group\",\"marvin/android\":\"array\",\"marvin/paranoid\":\"explicit_group\",\"tricia\":\"implicit_group\",\"tricia/mcmillan\":\"explicit_group\"}"
[  FAILED  ] xzarr_hierarchy.explore (3 ms)
[ RUN      ] xzarr_hierarchy.store_erase
unknown file: error: C++ exception with description "The process cannot access the file because it is being used by another process.
: 'store1\key1'" thrown in the test body.
[  FAILED  ] xzarr_hierarchy.store_erase (3 ms)
[ RUN      ] xzarr_hierarchy.store_erase_prefix
[       OK ] xzarr_hierarchy.store_erase_prefix (5 ms)
[ RUN      ] xzarr_hierarchy.write_v2
unknown file: error: C++ exception with description "Unkown compressor type: gzip" thrown in the test body.
[  FAILED  ] xzarr_hierarchy.write_v2 (4 ms)
[ RUN      ] xzarr_hierarchy.array_default_params
[       OK ] xzarr_hierarchy.array_default_params (1 ms)
[----------] 10 tests from xzarr_hierarchy (49 ms total)

[----------] 2 tests from gdal
[ RUN      ] gdal.write_read_v2_array_gdal
unknown file: error: C++ exception with description "Unkown compressor type: gzip" thrown in the test body.
[  FAILED  ] gdal.write_read_v2_array_gdal (1 ms)
[ RUN      ] gdal.write_read_v3_array_gdal
unknown file: error: C++ exception with description "Unkown compressor type: gzip" thrown in the test body.
[  FAILED  ] gdal.write_read_v3_array_gdal (1 ms)
[----------] 2 tests from gdal (3 ms total)

[----------] Global test environment tear-down
[==========] 12 tests from 2 test suites ran. (54 ms total)
[  PASSED  ] 5 tests.
[  FAILED  ] 7 tests, listed below:
[  FAILED  ] xzarr_hierarchy.read_v2
[  FAILED  ] xzarr_hierarchy.write_array
[  FAILED  ] xzarr_hierarchy.explore
[  FAILED  ] xzarr_hierarchy.store_erase
[  FAILED  ] xzarr_hierarchy.write_v2
[  FAILED  ] gdal.write_read_v2_array_gdal
[  FAILED  ] gdal.write_read_v3_array_gdal

 7 FAILED TESTS

C:\Libs\xtensor-zarr-vs19\test\RelWithDebInfo\test_xtensor_zarr.exe (process 15728) exited with code 1.

The test has commented-out code, which, when uncommented, produces compile errors:

1>C:\Libs\xtensor-zarr\test\test_zarr.cpp(65,12): error C2039: 'chunks': is not a member of 'xt::xarray_container<xt::uvector<double,std::allocator<T>>,xt::layout_type::row_major,xt::svector<size_t,4,std::allocator<unsigned __int64>,true>,xt::xtensor_expression_tag>'
1>        with
1>        [
1>            T=double
1>        ]
1>C:\Libs\xtensor\include\xtensor\xtensor_forward.hpp(82): message : see declaration of 'xt::xarray_container<xt::uvector<double,std::allocator<T>>,xt::layout_type::row_major,xt::svector<size_t,4,std::allocator<unsigned __int64>,true>,xt::xtensor_expression_tag>'
1>        with
1>        [
1>            T=double
1>        ]
1>C:\Libs\xtensor-zarr\test\test_zarr.cpp(69,9): error C2039: 'attrs': is not a member of 'xt::xarray_container<xt::uvector<double,std::allocator<T>>,xt::layout_type::row_major,xt::svector<size_t,4,std::allocator<unsigned __int64>,true>,xt::xtensor_expression_tag>'
1>        with
1>        [
1>            T=double
1>        ]
1>C:\Libs\xtensor\include\xtensor\xtensor_forward.hpp(82): message : see declaration of 'xt::xarray_container<xt::uvector<double,std::allocator<T>>,xt::layout_type::row_major,xt::svector<size_t,4,std::allocator<unsigned __int64>,true>,xt::xtensor_expression_tag>'
1>        with
1>        [
1>            T=double
1>        ]
1>C:\Libs\xtensor-zarr\test\test_zarr.cpp(69,9): error C2660: 'testing::internal::EqHelper::Compare': function does not take 3 arguments
1>C:\Libs\googletest\googletest\include\gtest/gtest.h(1580,26): message : see declaration of 'testing::internal::EqHelper::Compare'
1>C:\Libs\xtensor-zarr\test\test_zarr.cpp(69,9): error C2737: 'gtest_ar': const object must be initialized
1>Done building project "test_xtensor_zarr.vcxproj" -- FAILED.