nixpkgs/nixos/tests/emacs-daemon.nix

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import ./make-test-python.nix ({ pkgs, ...} : {
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name = "emacs-daemon";
meta = with pkgs.lib.maintainers; {
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maintainers = [ ];
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};
enableOCR = true;
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nodes.machine =
{ ... }:
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{ imports = [ ./common/x11.nix ];
services.emacs = {
enable = true;
defaultEditor = true;
};
# Important to get the systemd service running for root
environment.variables.XDG_RUNTIME_DIR = "/run/user/0";
environment.variables.TEST_SYSTEM_VARIABLE = "system variable";
};
testScript = ''
machine.wait_for_unit("multi-user.target")
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# checks that the EDITOR environment variable is set
machine.succeed('test $(basename "$EDITOR") = emacseditor')
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# waits for the emacs service to be ready
machine.wait_until_succeeds(
"systemctl --user status emacs.service | grep 'Active: active'"
)
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# connects to the daemon
machine.succeed("emacsclient --no-wait --frame-parameters='((display . \"'\"$DISPLAY\"'\"))' --create-frame $EDITOR >&2")
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# checks that Emacs shows the edited filename
machine.wait_for_text("emacseditor")
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# makes sure environment variables are accessible from Emacs
machine.succeed(
"emacsclient --eval '(getenv \"TEST_SYSTEM_VARIABLE\")' | grep -q 'system variable'"
)
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machine.screenshot("emacsclient")
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'';
})