nixpkgs/nixos/tests/libinput.nix

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import ./make-test-python.nix ({ ... }:
{
name = "libinput";
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nodes.machine = { ... }:
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{
imports = [
./common/x11.nix
./common/user-account.nix
];
test-support.displayManager.auto.user = "alice";
services.xserver.libinput = {
enable = true;
mouse = {
naturalScrolling = true;
leftHanded = true;
middleEmulation = false;
horizontalScrolling = false;
};
};
};
testScript = ''
def expect_xserver_option(option, value):
machine.succeed(f"""cat /var/log/X.0.log | grep -F 'Option "{option}" "{value}"'""")
machine.start()
machine.wait_for_x()
machine.succeed("""cat /var/log/X.0.log | grep -F "Using input driver 'libinput'" """)
expect_xserver_option("NaturalScrolling", "on")
expect_xserver_option("LeftHanded", "on")
expect_xserver_option("MiddleEmulation", "off")
expect_xserver_option("HorizontalScrolling", "off")
'';
})