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tests/libcmd: set HOME to a temporary directory

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The libcmd unit test creates files (more specifically, the fetcher cache) in
its home directory. In the single-user sandbox, this leads to the creation of
/homeless-shelter, since this is the default HOME and the root is writable.
Unfortunately, this conflicts with the assumption of the functional tests that
this directory does not exist. Use a different home directory to prevent these
test failures, and thus restore the ability to build inside the single-user
sandbox.

Fixes: lix-project/lix#365
Change-Id: I4df8c53d043234b95a7c0ac45fc5ee89e8d46aff
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alois31 2024-06-01 11:59:16 +02:00
parent e1e9785f4f
commit e3da55df8a
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tests/unit/meson.build
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@ -241,6 +241,10 @@ test(
# No special meaning here, it's just a file laying around that is unlikely to go anywhere
# any time soon.
'_NIX_TEST_UNIT_DATA': meson.project_source_root() / 'src/nix-env/buildenv.nix',
# Use a temporary home directory for the unit tests.
# Otherwise, /homeless-shelter is created in the single-user sandbox, and functional tests will fail.
# TODO(alois31): handle TMPDIR properly (meson can't, and setting HOME in the test is too late)…
'HOME': '/tmp/nix-test/libcmd-unit-tests',
},
suite : 'check',
protocol : 'gtest',