lix/tests/functional/flakes/config.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
cp ../simple.nix ../simple.builder.sh ../config.nix $TEST_HOME
cd $TEST_HOME
rm -f post-hook-ran
cat <<EOF > echoing-post-hook.sh
#!/bin/sh
echo "ThePostHookRan as \$0" > $PWD/post-hook-ran
EOF
chmod +x echoing-post-hook.sh
cat <<EOF > flake.nix
{
nixConfig.post-build-hook = ./echoing-post-hook.sh;
nixConfig.allow-dirty = false; # See #5621
outputs = a: {
packages.$system.default = import ./simple.nix;
};
}
EOF
# Without --accept-flake-config, the post hook should not run.
nix build < /dev/null
(! [[ -f post-hook-ran ]])
clearStore
nix build --accept-flake-config
test -f post-hook-ran || fail "The post hook should have ran"
# Make sure that the path to the post hook doesnt change if we change
# something in the flake.
# Otherwise the user would have to re-validate the setting each time.
mv post-hook-ran previous-post-hook-run
echo "# Dummy comment" >> flake.nix
clearStore
nix build --accept-flake-config
diff -q post-hook-ran previous-post-hook-run || \
fail "Both post hook runs should report the same filename"