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nixpkgs/nixos/tests/switch-test.nix
Samuel Dionne-Riel 98419a0f64 nixos/tests/switch-test: Ensures the test fails on failure (#55744)
The `| tee` invocation always masked the return value of the
switch-to-configuration test.

```
~ $ false | tee && echo "oh no"
oh no
```

The added wrapper script will still output everything to stderr, while
passing failures to the test harness.
2019-02-14 22:55:16 +01:00

35 lines
992 B
Nix

# Test configuration switching.
import ./make-test.nix ({ pkgs, ...} : {
name = "switch-test";
meta = with pkgs.stdenv.lib.maintainers; {
maintainers = [ gleber ];
};
nodes = {
machine = { ... }: {
users.mutableUsers = false;
};
other = { ... }: {
users.mutableUsers = true;
};
};
testScript = {nodes, ...}: let
originalSystem = nodes.machine.config.system.build.toplevel;
otherSystem = nodes.other.config.system.build.toplevel;
# Ensures failures pass through using pipefail, otherwise failing to
# switch-to-configuration is hidden by the success of `tee`.
stderrRunner = pkgs.writeScript "stderr-runner" ''
#! ${pkgs.stdenv.shell}
set -e
set -o pipefail
exec env -i "$@" | tee /dev/stderr
'';
in ''
$machine->succeed("${stderrRunner} ${originalSystem}/bin/switch-to-configuration test");
$machine->succeed("${stderrRunner} ${otherSystem}/bin/switch-to-configuration test");
'';
})