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854 B
854 B
Running Tests
You can run tests using nix-build. For example, to run the test
login.nix,
you just do:
$ nix-build '<nixpkgs/nixos/tests/login.nix>'
or, if you don't want to rely on NIX_PATH:
$ cd /my/nixpkgs/nixos/tests
$ nix-build login.nix
…
running the VM test script
machine: QEMU running (pid 8841)
…
6 out of 6 tests succeeded
After building/downloading all required dependencies, this will perform a build that starts a QEMU/KVM virtual machine containing a NixOS system. The virtual machine mounts the Nix store of the host; this makes VM creation very fast, as no disk image needs to be created. Afterwards, you can view a log of the test:
$ nix-store --read-log result