tjh.dev
nixpkgs mirror (for testing)
github.com/NixOS/nixpkgs
nix
1{ lib, runCommand }:
2
3rec {
4 runTest =
5 name: body:
6 runCommand name { strictDeps = true; } ''
7 set -o errexit
8 ${body}
9 touch $out
10 '';
11
12 skip =
13 cond: text:
14 if cond then
15 ''
16 echo "Skipping test $name" > /dev/stderr
17 ''
18 else
19 text;
20
21 fail = text: ''
22 echo "FAIL: $name: ${text}" > /dev/stderr
23 exit 1
24 '';
25
26 expectSomeLineContainingYInFileXToMentionZ = file: filter: expected: ''
27 file=${lib.escapeShellArg file} filter=${lib.escapeShellArg filter} expected=${lib.escapeShellArg expected}
28
29 if ! grep --text --quiet "$filter" "$file"; then
30 ${fail "The file “$file” should include a line containing “$filter”."}
31 fi
32
33 if ! grep --text "$filter" "$file" | grep --text --quiet "$expected"; then
34 ${fail "The file “$file” should include a line containing “$filter” that also contains “$expected”."}
35 fi
36 '';
37}