Alois Wohlschlager
480fdf146d
Some of the Lix libraries always need to be linked in full due to their reliance on static initializers. This was achieved internally using link_whole, but they are still easy to abuse by external users who manually need to remember passing linker flags such as `--whole-archive` (GNU) or `-force_load` (Apple), and the obvious way to shove it in pkg-config breaks Meson due to potentially including a library's flags multiple times, and then deduplicating only the file names leaving a stale `-force_load` around causing trouble. Instead we now "prelink" the static libraries, by merging them into one object file. Since the static linker will always link entire object files, this will have the same effect as whole-archive linking (except the library won't be included if it's completely unused, which should not cause trouble since it's unused after all, and dynamic libraries behave the same way). Unfortunately Meson's native prelink functionality cannot be used due to missing (non-Apple) Clang support [1], so write our own one. While not particularly portable, it should work with Clang which is the only officially supported compiler, as well as GCC. [1] https://github.com/mesonbuild/meson/pull/14846 Change-Id: I6a6a6964a82241ce3b0b11fe8397fd451b8027f2
310 lines
7.5 KiB
Meson
310 lines
7.5 KiB
Meson
# NOTE(Qyriad): This file is one big slab of boilerplate.
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# Lix's current unit test organization is scattered and entagled.
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# Each of the test-support libraries could theoretically be a somewhat self-contained
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# subdir(), but literally nothing else can. Each of the tests have dependencies on other
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# test support libraries, and so do their support libraries.
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# Each of the tests have dependencies on their own andother test support libraries,
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# and so do their support libraries, and they have entangled dependencies on Lix's mainline
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# lib* targets as well.
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# The only boilerplate reduction I really could do here is throw everything in big nested dictionaries
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# and dynamically generate and refer to targets based on abstracted specs, but without user-defined
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# functions, the result would be way less readable than just a bit of copypasta.
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# It's only ~200 lines; better to just refactor the tests themselves which we'll want to do anyway.
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default_test_env = {
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'ASAN_OPTIONS': 'detect_leaks=0:halt_on_error=1:abort_on_error=1:print_summary=1:dump_instruction_bytes=1',
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# Prevents loading global configuration file in /etc/nix/nix.conf in tests 😱
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'NIX_CONF_DIR': '/var/empty',
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# Prevent loading user configuration files in tests
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'NIX_USER_CONF_FILES': '',
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}
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libutil_test_support_sources = files(
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'libutil-support/tests/cli-literate-parser.cc',
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'libutil-support/tests/hash.cc',
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'libutil-support/tests/terminal-code-eater.cc',
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'libutil-support/tests/test-data.cc',
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)
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libutil_test_support = library(
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'lixutil-test-support',
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libutil_test_support_sources,
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dependencies : [
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liblixutil,
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# TODO(Qyriad): libutil tests really should not depend on libexpr...
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liblixexpr,
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rapidcheck,
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],
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include_directories : include_directories('libutil-support'),
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)
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liblixutil_test_support = declare_dependency(
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include_directories : include_directories('libutil-support'),
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link_with : libutil_test_support,
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)
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libutil_tests_sources = files(
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# keep-sorted start
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'libutil/archive.cc',
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'libutil/async-collect.cc',
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'libutil/async-io.cc',
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'libutil/async-semaphore.cc',
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'libutil/canon-path.cc',
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'libutil/checked-arithmetic.cc',
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'libutil/chunked-vector.cc',
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'libutil/closure.cc',
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'libutil/compression.cc',
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'libutil/config.cc',
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'libutil/escape-string.cc',
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'libutil/fmt.cc',
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'libutil/generator.cc',
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'libutil/git.cc',
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'libutil/hash.cc',
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'libutil/hilite.cc',
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'libutil/io-buffer.cc',
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'libutil/json-utils.cc',
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'libutil/linear-map.cc',
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'libutil/logging.cc',
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'libutil/lru-cache.cc',
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'libutil/monitor-fd.cc',
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'libutil/paths-setting.cc',
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'libutil/pool.cc',
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'libutil/references.cc',
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'libutil/serialise.cc',
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'libutil/suggestions.cc',
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'libutil/terminal.cc',
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'libutil/tests.cc',
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'libutil/thread-pool.cc',
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'libutil/url-name.cc',
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'libutil/url.cc',
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'libutil/xml-writer.cc',
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# keep-sorted end
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)
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libutil_tester = executable(
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'liblixutil-tests',
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libutil_tests_sources,
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dependencies : [
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libasanoptions,
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rapidcheck,
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gtest,
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liblixutil,
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liblixexpr,
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liblixutil_test_support,
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nlohmann_json,
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kj,
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],
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cpp_pch : cpp_pch,
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)
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test(
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'libutil-unit-tests',
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libutil_tester,
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args : tests_args,
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env : default_test_env + {
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'_NIX_TEST_UNIT_DATA': meson.project_source_root() / 'tests/unit/libutil/data',
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},
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suite : 'check',
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protocol : 'gtest',
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verbose : false,
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)
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libstore_test_support_sources = files(
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'libstore-support/tests/derived-path.cc',
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'libstore-support/tests/outputs-spec.cc',
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'libstore-support/tests/path.cc',
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)
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libstore_test_support = library(
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'lixstore-test-support',
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libstore_test_support_sources,
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dependencies : [
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liblixutil_test_support,
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liblixutil,
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liblixstore,
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rapidcheck,
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kj,
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],
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include_directories : include_directories(
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'libstore-support',
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),
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cpp_pch : cpp_pch,
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)
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liblixstore_test_support = declare_dependency(
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include_directories : include_directories('libstore-support'),
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link_with : libstore_test_support,
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)
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libstore_tests_sources = files(
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'libstore/common-protocol.cc',
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'libstore/derivation.cc',
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'libstore/derived-path.cc',
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'libstore/filetransfer.cc',
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'libstore/machines.cc',
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'libstore/nar-info-disk-cache.cc',
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'libstore/outputs-spec.cc',
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'libstore/path.cc',
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'libstore/path-tree.cc',
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'libstore/references.cc',
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'libstore/serve-protocol.cc',
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'libstore/worker-protocol.cc',
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)
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libstore_tester = executable(
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'liblixstore-tests',
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libstore_tests_sources,
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dependencies : [
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libasanoptions,
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liblixstore_test_support,
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liblixutil_test_support,
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liblixstore,
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liblixutil,
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rapidcheck,
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gtest,
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nlohmann_json,
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kj,
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],
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cpp_pch : cpp_pch,
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)
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test(
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'libstore-unit-tests',
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libstore_tester,
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args : tests_args,
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env : default_test_env + {
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'_NIX_TEST_UNIT_DATA': meson.project_source_root() / 'tests/unit/libstore/data',
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},
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suite : 'check',
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protocol : 'gtest',
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verbose : false,
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)
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libexpr_test_support_sources = files(
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'libexpr-support/tests/value/context.cc',
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)
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libexpr_test_support = library(
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'lixexpr-test-support',
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libexpr_test_support_sources,
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dependencies : [
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liblixstore_test_support,
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liblixstore,
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liblixutil,
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liblixexpr,
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rapidcheck,
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],
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include_directories : include_directories(
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'libexpr-support',
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),
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cpp_pch : cpp_pch,
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)
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liblixexpr_test_support = declare_dependency(
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include_directories : include_directories('libexpr-support'),
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link_with : libexpr_test_support,
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)
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libexpr_tests_sources = files(
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'libexpr/attr-path.cc',
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'libexpr/derived-path.cc',
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'libexpr/error_traces.cc',
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'libexpr/flakeref.cc',
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'libexpr/json.cc',
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'libexpr/primops.cc',
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'libexpr/search-path.cc',
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'libexpr/trivial.cc',
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'libexpr/value/context.cc',
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'libexpr/value/print.cc',
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)
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libexpr_tester = executable(
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'liblixexpr-tests',
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libexpr_tests_sources,
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dependencies : [
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libasanoptions,
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liblixexpr_test_support,
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liblixstore_test_support,
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liblixstore,
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liblixutil,
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liblixexpr,
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liblixfetchers,
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rapidcheck,
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gtest,
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nlohmann_json,
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kj,
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],
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cpp_pch : cpp_pch,
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)
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test(
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'libexpr-unit-tests',
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libexpr_tester,
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args : tests_args,
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env : default_test_env + {
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'_NIX_TEST_UNIT_DATA': meson.project_source_root() / 'tests/unit/libexpr/data',
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},
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suite : 'check',
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protocol : 'gtest',
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verbose : false,
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)
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libcmd_tester = executable(
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'liblixcmd-tests',
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files('libcmd/args.cc'),
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dependencies : [
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libasanoptions,
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liblixcmd,
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liblixutil,
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liblixmain,
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liblixexpr,
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liblixstore,
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gtest,
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boost,
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kj,
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],
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cpp_pch : cpp_pch,
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)
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test(
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'libcmd-unit-tests',
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libcmd_tester,
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args : tests_args,
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env : default_test_env + {
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# No special meaning here, it's just a file laying around that is unlikely to go anywhere
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# any time soon.
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'_NIX_TEST_UNIT_DATA': meson.project_source_root() / 'lix/legacy/buildenv.nix',
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# Use a temporary home directory for the unit tests.
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# Otherwise, /homeless-shelter is created in the single-user sandbox, and functional tests will fail.
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# TODO(alois31): handle TMPDIR properly (meson can't, and setting HOME in the test is too late)…
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'HOME': '/tmp/nix-test/libcmd-unit-tests',
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},
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suite : 'check',
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protocol : 'gtest',
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)
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libmain_tests_sources = files(
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'libmain/crash.cc',
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'libmain/progress-bar.cc',
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)
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libmain_tester = executable(
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'liblixmain-tests',
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libmain_tests_sources,
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dependencies : [
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liblixmain,
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liblixexpr,
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liblixutil,
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liblixstore,
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gtest,
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boost,
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kj,
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],
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cpp_pch : cpp_pch,
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)
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test(
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'libmain-unit-tests',
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libmain_tester,
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args : tests_args,
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env : default_test_env,
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suite : 'check',
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protocol : 'gtest',
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)
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