lix/tests/functional/ca/duplicate-realisation-in-closure.sh
John Ericson 68c81c7375 Put functional tests in tests/functional
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/
```
2023-10-06 09:05:56 -04:00

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source ./common.sh
requireDaemonNewerThan "2.4pre20210625"
export REMOTE_STORE_DIR="$TEST_ROOT/remote_store"
export REMOTE_STORE="file://$REMOTE_STORE_DIR"
rm -rf $REMOTE_STORE_DIR
clearStore
# Build dep1 and push that to the binary cache.
# This entails building (and pushing) current-time.
nix copy --to "$REMOTE_STORE" -f nondeterministic.nix dep1
clearStore
sleep 2 # To make sure that `$(date)` will be different
# Build dep2.
# As weve cleared the cache, well have to rebuild current-time. And because
# the current time isnt the same as before, this will yield a new (different)
# realisation
nix build -f nondeterministic.nix dep2 --no-link
# Build something that depends both on dep1 and dep2.
# If everything goes right, we should rebuild dep2 rather than fetch it from
# the cache (because that would mean duplicating `current-time` in the closure),
# and have `dep1 == dep2`.
nix build --substituters "$REMOTE_STORE" -f nondeterministic.nix toplevel --no-require-sigs --no-link