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30dcc19d1f
I think it is bad for these reasons when `tests/` contains a mix of
functional and integration tests
- Concepts is harder to understand, the documentation makes a good
unit vs functional vs integration distinction, but when the
integration tests are just two subdirs within `tests/` this is not
clear.
- Source filtering in the `flake.nix` is more complex. We need to
filter out some of the dirs from `tests/`, rather than simply pick
the dirs we want and take all of them. This is a good sign the
structure of what we are trying to do is not matching the structure
of the files.
With this change we have a clean:
```shell-session
$ git show 'HEAD:tests'
tree HEAD:tests
functional/
installer/
nixos/
```
(cherry picked from commit 68c81c7375)
43 lines
1.7 KiB
Bash
43 lines
1.7 KiB
Bash
source common.sh
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enableFeatures "read-only-local-store"
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needLocalStore "cannot open store read-only when daemon has already opened it writeable"
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clearStore
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happy () {
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# We can do a read-only query just fine with a read-only store
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nix --store local?read-only=true path-info $dummyPath
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# We can "write" an already-present store-path a read-only store, because no IO is actually required
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nix-store --store local?read-only=true --add dummy
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}
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## Testing read-only mode without forcing the underlying store to actually be read-only
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# Make sure the command fails when the store doesn't already have a database
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expectStderr 1 nix-store --store local?read-only=true --add dummy | grepQuiet "database does not exist, and cannot be created in read-only mode"
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# Make sure the store actually has a current-database, with at least one store object
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dummyPath=$(nix-store --add dummy)
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# Try again and make sure we fail when adding a item not already in the store
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expectStderr 1 nix-store --store local?read-only=true --add eval.nix | grepQuiet "attempt to write a readonly database"
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# Test a few operations that should work with the read-only store in its current state
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happy
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## Testing read-only mode with an underlying store that is actually read-only
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# Ensure store is actually read-only
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chmod -R -w $TEST_ROOT/store
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chmod -R -w $TEST_ROOT/var
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# Make sure we fail on add operations on the read-only store
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# This is only for adding files that are not *already* in the store
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expectStderr 1 nix-store --add eval.nix | grepQuiet "error: opening lock file '$(readlink -e $TEST_ROOT)/var/nix/db/big-lock'"
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expectStderr 1 nix-store --store local?read-only=true --add eval.nix | grepQuiet "Permission denied"
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# Test the same operations from before should again succeed
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happy
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