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| author | Silvan Mosberger <contact@infinisil.com> | 2023-11-01 19:40:45 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-11-01 19:40:45 +0100 |
| commit | fc28c5e5b79ada17ce17b5c83e07a2949b959fcf (patch) | |
| tree | 8955af520cba3d6f3539d8b182960b7bd376f31b /lib/fileset/tests.sh | |
| parent | Merge pull request #264728 from r-ryantm/auto-update/wander (diff) | |
| parent | lib.fileset.difference: init (diff) | |
| download | nixpkgs-fc28c5e5b79ada17ce17b5c83e07a2949b959fcf.tar.gz | |
Merge pull request #259065 from tweag/fileset.difference
`lib.fileset.difference`: init
Diffstat (limited to 'lib/fileset/tests.sh')
| -rwxr-xr-x | lib/fileset/tests.sh | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/lib/fileset/tests.sh b/lib/fileset/tests.sh index 5b756b8fc593..2df0727bde38 100755 --- a/lib/fileset/tests.sh +++ b/lib/fileset/tests.sh @@ -684,6 +684,104 @@ tree=( ) checkFileset 'intersection (unions [ ./a/b ./c/d ./c/e ]) (unions [ ./a ./c/d/f ./c/e ])' +## Difference + +# Subtracting something from itself results in nothing +tree=( + [a]=0 +) +checkFileset 'difference ./. ./.' + +# The tree of the second argument should not be evaluated if not needed +checkFileset 'difference _emptyWithoutBase (_create ./. (abort "This should not be used!"))' +checkFileset 'difference (_create ./. null) (_create ./. (abort "This should not be used!"))' + +# Subtracting nothing gives the same thing back +tree=( + [a]=1 +) +checkFileset 'difference ./. _emptyWithoutBase' +checkFileset 'difference ./. (_create ./. null)' + +# Subtracting doesn't influence the base path +mkdir a b +touch {a,b}/x +expectEqual 'toSource { root = ./a; fileset = difference ./a ./b; }' 'toSource { root = ./a; fileset = ./a; }' +rm -rf -- * + +# Also not the other way around +mkdir a +expectFailure 'toSource { root = ./a; fileset = difference ./. ./a; }' 'lib.fileset.toSource: `fileset` could contain files in '"$work"', which is not under the `root` \('"$work"'/a\). Potential solutions: +\s*- Set `root` to '"$work"' or any directory higher up. This changes the layout of the resulting store path. +\s*- Set `fileset` to a file set that cannot contain files outside the `root` \('"$work"'/a\). This could change the files included in the result.' +rm -rf -- * + +# Difference actually works +# We test all combinations of ./., ./a, ./a/x and ./b +tree=( + [a/x]=0 + [a/y]=0 + [b]=0 + [c]=0 +) +checkFileset 'difference ./. ./.' +checkFileset 'difference ./a ./.' +checkFileset 'difference ./a/x ./.' +checkFileset 'difference ./b ./.' +checkFileset 'difference ./a ./a' +checkFileset 'difference ./a/x ./a' +checkFileset 'difference ./a/x ./a/x' +checkFileset 'difference ./b ./b' +tree=( + [a/x]=0 + [a/y]=0 + [b]=1 + [c]=1 +) +checkFileset 'difference ./. ./a' +tree=( + [a/x]=1 + [a/y]=1 + [b]=0 + [c]=0 +) +checkFileset 'difference ./a ./b' +tree=( + [a/x]=1 + [a/y]=0 + [b]=0 + [c]=0 +) +checkFileset 'difference ./a/x ./b' +tree=( + [a/x]=0 + [a/y]=1 + [b]=0 + [c]=0 +) +checkFileset 'difference ./a ./a/x' +tree=( + [a/x]=0 + [a/y]=0 + [b]=1 + [c]=0 +) +checkFileset 'difference ./b ./a' +checkFileset 'difference ./b ./a/x' +tree=( + [a/x]=0 + [a/y]=1 + [b]=1 + [c]=1 +) +checkFileset 'difference ./. ./a/x' +tree=( + [a/x]=1 + [a/y]=1 + [b]=0 + [c]=1 +) +checkFileset 'difference ./. ./b' ## File filter |