lix/tests/functional/user-envs-migration.sh
John Ericson 30dcc19d1f 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/
```

(cherry picked from commit 68c81c7375)
2023-12-01 12:06:43 -05:00

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# Test that the migration of user environments
# (https://github.com/NixOS/nix/pull/5226) does preserve everything
source common.sh
if isDaemonNewer "2.4pre20211005"; then
skipTest "Daemon is too new"
fi
killDaemon
unset NIX_REMOTE
clearStore
clearProfiles
rm -rf ~/.nix-profile
# Fill the environment using the older Nix
PATH_WITH_NEW_NIX="$PATH"
export PATH="$NIX_DAEMON_PACKAGE/bin:$PATH"
nix-env -f user-envs.nix -i foo-1.0
nix-env -f user-envs.nix -i bar-0.1
# Migrate to the new profile dir, and ensure that everythings there
export PATH="$PATH_WITH_NEW_NIX"
nix-env -q # Trigger the migration
( [[ -L ~/.nix-profile ]] && \
[[ $(readlink ~/.nix-profile) == ~/.local/share/nix/profiles/profile ]] ) || \
fail "The nix profile should point to the new location"
(nix-env -q | grep foo && nix-env -q | grep bar && \
[[ -e ~/.nix-profile/bin/foo ]] && \
[[ $(nix-env --list-generations | wc -l) == 2 ]]) ||
fail "The nix profile should have the same content as before the migration"