lix/tests/functional/flakes/init.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
requireGit
templatesDir=$TEST_ROOT/templates
flakeDir=$TEST_ROOT/flake
nixpkgsDir=$TEST_ROOT/nixpkgs
nix registry add --registry $registry templates git+file://$templatesDir
nix registry add --registry $registry nixpkgs git+file://$nixpkgsDir
createGitRepo $nixpkgsDir
createSimpleGitFlake $nixpkgsDir
# Test 'nix flake init'.
createGitRepo $templatesDir
cat > $templatesDir/flake.nix <<EOF
{
description = "Some templates";
outputs = { self }: {
templates = rec {
trivial = {
path = ./trivial;
description = "A trivial flake";
welcomeText = ''
Welcome to my trivial flake
'';
};
default = trivial;
};
};
}
EOF
mkdir $templatesDir/trivial
cat > $templatesDir/trivial/flake.nix <<EOF
{
description = "A flake for building Hello World";
outputs = { self, nixpkgs }: {
packages.$system = rec {
hello = nixpkgs.legacyPackages.$system.hello;
default = hello;
};
};
}
EOF
echo a > $templatesDir/trivial/a
echo b > $templatesDir/trivial/b
git -C $templatesDir add flake.nix trivial/
git -C $templatesDir commit -m 'Initial'
nix flake check templates
nix flake show templates
nix flake show templates --json | jq
createGitRepo $flakeDir
(cd $flakeDir && nix flake init)
(cd $flakeDir && nix flake init) # check idempotence
git -C $flakeDir add flake.nix
nix flake check $flakeDir
nix flake show $flakeDir
nix flake show $flakeDir --json | jq
git -C $flakeDir commit -a -m 'Initial'
# Test 'nix flake init' with benign conflicts
createGitRepo "$flakeDir"
echo a > $flakeDir/a
(cd $flakeDir && nix flake init) # check idempotence
# Test 'nix flake init' with conflicts
createGitRepo "$flakeDir"
echo b > $flakeDir/a
pushd $flakeDir
(! nix flake init) |& grep "refusing to overwrite existing file '$flakeDir/a'"
popd
git -C $flakeDir commit -a -m 'Changed'
# Test 'nix flake new'.
rm -rf $flakeDir
nix flake new -t templates#trivial $flakeDir
nix flake new -t templates#trivial $flakeDir # check idempotence
nix flake check $flakeDir