forked from mirrors/nixpkgs
3f80fadec4
This completes the removal of the nested log feature, which previously got removed from Nix, Hydra, stdenv and GNU Make. In particular, this means that the output of VM builds no longer contains a copy of jQuery.
263 lines
7.9 KiB
Nix
263 lines
7.9 KiB
Nix
{ system
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, pkgs ? import ../.. { inherit system config; }
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# Use a minimal kernel?
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, minimal ? false
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# Ignored
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, config ? {}
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# Modules to add to each VM
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, extraConfigurations ? [] }:
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with import ./build-vms.nix { inherit system pkgs minimal extraConfigurations; };
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with pkgs;
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let
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jquery-ui = callPackage ./testing/jquery-ui.nix { };
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jquery = callPackage ./testing/jquery.nix { };
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in rec {
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inherit pkgs;
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testDriver = lib.warn ''
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Perl VM tests are deprecated and will be removed for 20.09.
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Please update your tests to use the python test driver.
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See https://github.com/NixOS/nixpkgs/pull/71684 for details.
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'' stdenv.mkDerivation {
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name = "nixos-test-driver";
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buildInputs = [ makeWrapper perl ];
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dontUnpack = true;
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preferLocalBuild = true;
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installPhase =
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''
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mkdir -p $out/bin
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cp ${./test-driver/test-driver.pl} $out/bin/nixos-test-driver
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chmod u+x $out/bin/nixos-test-driver
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libDir=$out/${perl.libPrefix}
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mkdir -p $libDir
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cp ${./test-driver/Machine.pm} $libDir/Machine.pm
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cp ${./test-driver/Logger.pm} $libDir/Logger.pm
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wrapProgram $out/bin/nixos-test-driver \
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--prefix PATH : "${lib.makeBinPath [ qemu_test vde2 netpbm coreutils ]}" \
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--prefix PERL5LIB : "${with perlPackages; makePerlPath [ TermReadLineGnu XMLWriter IOTty FileSlurp ]}:$out/${perl.libPrefix}"
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'';
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};
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# Run an automated test suite in the given virtual network.
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# `driver' is the script that runs the network.
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runTests = driver:
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stdenv.mkDerivation {
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name = "vm-test-run-${driver.testName}";
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requiredSystemFeatures = [ "kvm" "nixos-test" ];
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buildCommand =
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''
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mkdir -p $out
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LOGFILE=/dev/null tests='eval $ENV{testScript}; die $@ if $@;' ${driver}/bin/nixos-test-driver
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for i in */xchg/coverage-data; do
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mkdir -p $out/coverage-data
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mv $i $out/coverage-data/$(dirname $(dirname $i))
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done
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'';
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};
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makeTest =
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{ testScript
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, makeCoverageReport ? false
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, enableOCR ? false
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, name ? "unnamed"
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, ...
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} @ t:
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let
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# A standard store path to the vm monitor is built like this:
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# /tmp/nix-build-vm-test-run-$name.drv-0/vm-state-machine/monitor
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# The max filename length of a unix domain socket is 108 bytes.
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# This means $name can at most be 50 bytes long.
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maxTestNameLen = 50;
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testNameLen = builtins.stringLength name;
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testDriverName = with builtins;
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if testNameLen > maxTestNameLen then
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abort ("The name of the test '${name}' must not be longer than ${toString maxTestNameLen} " +
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"it's currently ${toString testNameLen} characters long.")
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else
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"nixos-test-driver-${name}";
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nodes = buildVirtualNetwork (
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t.nodes or (if t ? machine then { machine = t.machine; } else { }));
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testScript' =
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# Call the test script with the computed nodes.
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if lib.isFunction testScript
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then testScript { inherit nodes; }
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else testScript;
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vlans = map (m: m.config.virtualisation.vlans) (lib.attrValues nodes);
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vms = map (m: m.config.system.build.vm) (lib.attrValues nodes);
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ocrProg = tesseract4.override { enableLanguages = [ "eng" ]; };
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imagemagick_tiff = imagemagick_light.override { inherit libtiff; };
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# Generate onvenience wrappers for running the test driver
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# interactively with the specified network, and for starting the
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# VMs from the command line.
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driver = runCommand testDriverName
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{ buildInputs = [ makeWrapper];
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testScript = testScript';
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preferLocalBuild = true;
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testName = name;
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}
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''
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mkdir -p $out/bin
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echo "$testScript" > $out/test-script
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ln -s ${testDriver}/bin/nixos-test-driver $out/bin/
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vms=($(for i in ${toString vms}; do echo $i/bin/run-*-vm; done))
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wrapProgram $out/bin/nixos-test-driver \
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--add-flags "''${vms[*]}" \
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${lib.optionalString enableOCR
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"--prefix PATH : '${ocrProg}/bin:${imagemagick_tiff}/bin'"} \
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--run "export testScript=\"\$(cat $out/test-script)\"" \
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--set VLANS '${toString vlans}'
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ln -s ${testDriver}/bin/nixos-test-driver $out/bin/nixos-run-vms
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wrapProgram $out/bin/nixos-run-vms \
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--add-flags "''${vms[*]}" \
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${lib.optionalString enableOCR "--prefix PATH : '${ocrProg}/bin'"} \
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--set tests 'startAll; joinAll;' \
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--set VLANS '${toString vlans}' \
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${lib.optionalString (builtins.length vms == 1) "--set USE_SERIAL 1"}
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''; # "
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passMeta = drv: drv // lib.optionalAttrs (t ? meta) {
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meta = (drv.meta or {}) // t.meta;
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};
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test = passMeta (runTests driver);
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report = passMeta (releaseTools.gcovReport { coverageRuns = [ test ]; });
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nodeNames = builtins.attrNames nodes;
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invalidNodeNames = lib.filter
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(node: builtins.match "^[A-z_][A-z0-9_]+$" node == null) nodeNames;
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in
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if lib.length invalidNodeNames > 0 then
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throw ''
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Cannot create machines out of (${lib.concatStringsSep ", " invalidNodeNames})!
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All machines are referenced as perl variables in the testing framework which will break the
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script when special characters are used.
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Please stick to alphanumeric chars and underscores as separation.
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''
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else
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(if makeCoverageReport then report else test) // {
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inherit nodes driver test;
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};
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runInMachine =
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{ drv
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, machine
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, preBuild ? ""
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, postBuild ? ""
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, ... # ???
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}:
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let
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vm = buildVM { }
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[ machine
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{ key = "run-in-machine";
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networking.hostName = "client";
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nix.readOnlyStore = false;
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virtualisation.writableStore = false;
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}
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];
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buildrunner = writeText "vm-build" ''
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source $1
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${coreutils}/bin/mkdir -p $TMPDIR
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cd $TMPDIR
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exec $origBuilder $origArgs
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'';
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testScript = ''
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startAll;
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$client->waitForUnit("multi-user.target");
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${preBuild}
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$client->succeed("env -i ${bash}/bin/bash ${buildrunner} /tmp/xchg/saved-env >&2");
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${postBuild}
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$client->succeed("sync"); # flush all data before pulling the plug
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'';
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vmRunCommand = writeText "vm-run" ''
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xchg=vm-state-client/xchg
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${coreutils}/bin/mkdir $out
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${coreutils}/bin/mkdir -p $xchg
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for i in $passAsFile; do
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i2=''${i}Path
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_basename=$(${coreutils}/bin/basename ''${!i2})
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${coreutils}/bin/cp ''${!i2} $xchg/$_basename
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eval $i2=/tmp/xchg/$_basename
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${coreutils}/bin/ls -la $xchg
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done
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unset i i2 _basename
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export | ${gnugrep}/bin/grep -v '^xchg=' > $xchg/saved-env
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unset xchg
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export tests='${testScript}'
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${testDriver}/bin/nixos-test-driver ${vm.config.system.build.vm}/bin/run-*-vm
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''; # */
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in
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lib.overrideDerivation drv (attrs: {
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requiredSystemFeatures = [ "kvm" ];
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builder = "${bash}/bin/sh";
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args = ["-e" vmRunCommand];
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origArgs = attrs.args;
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origBuilder = attrs.builder;
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});
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runInMachineWithX = { require ? [], ... } @ args:
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let
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client =
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{ ... }:
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{
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inherit require;
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imports = [
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../tests/common/auto.nix
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];
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virtualisation.memorySize = 1024;
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services.xserver.enable = true;
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test-support.displayManager.auto.enable = true;
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services.xserver.displayManager.defaultSession = "none+icewm";
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services.xserver.windowManager.icewm.enable = true;
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};
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in
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runInMachine ({
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machine = client;
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preBuild =
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''
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$client->waitForX;
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'';
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} // args);
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simpleTest = as: (makeTest as).test;
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}
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