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Diffstat (limited to 'nixpkgs/nixos/tests/mtp.nix')
| -rw-r--r-- | nixpkgs/nixos/tests/mtp.nix | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/nixpkgs/nixos/tests/mtp.nix b/nixpkgs/nixos/tests/mtp.nix new file mode 100644 index 000000000000..8f0835d75d3f --- /dev/null +++ b/nixpkgs/nixos/tests/mtp.nix @@ -0,0 +1,109 @@ +import ./make-test-python.nix ({ pkgs, ... }: { + name = "mtp"; + meta = with pkgs.lib.maintainers; { + maintainers = [ matthewcroughan nixinator ]; + }; + + nodes = + { + client = { config, pkgs, ... }: { + # DBUS runs only once a user session is created, which means a user has to + # login. Here, we log in as root. Once logged in, the gvfs-daemon service runs + # as UID 0 in User-0.service + services.getty.autologinUser = "root"; + + # XDG_RUNTIME_DIR is needed for running systemd-user services such as + # gvfs-daemon as root. + environment.variables.XDG_RUNTIME_DIR = "/run/user/0"; + + environment.systemPackages = with pkgs; [ usbutils glib jmtpfs tree ]; + services.gvfs.enable = true; + + # Creates a usb-mtp device inside the VM, which is mapped to the host's + # /tmp folder, it is able to write files to this location, but only has + # permissions to read its own creations. + virtualisation.qemu.options = [ + "-usb" + "-device usb-mtp,rootdir=/tmp,readonly=false" + ]; + }; + }; + + + testScript = { nodes, ... }: + let + # Creates a list of QEMU MTP devices matching USB ID (46f4:0004). This + # value can be sourced in a shell script. This is so we can loop over the + # devices we find, as this test may want to use more than one MTP device + # in future. + mtpDevices = pkgs.writeScript "mtpDevices.sh" '' + export mtpDevices=$(lsusb -d 46f4:0004 | awk {'print $2","$4'} | sed 's/[:-]/ /g') + ''; + # Qemu is only capable of creating an MTP device with Picture Transfer + # Protocol. This means that gvfs must use gphoto2:// rather than mtp:// + # when mounting. + # https://github.com/qemu/qemu/blob/970bc16f60937bcfd334f14c614bd4407c247961/hw/usb/dev-mtp.c#L278 + gvfs = rec { + mountAllMtpDevices = pkgs.writeScript "mountAllMtpDevices.sh" '' + set -e + source ${mtpDevices} + for i in $mtpDevices + do + gio mount "gphoto2://[usb:$i]/" + done + ''; + unmountAllMtpDevices = pkgs.writeScript "unmountAllMtpDevices.sh" '' + set -e + source ${mtpDevices} + for i in $mtpDevices + do + gio mount -u "gphoto2://[usb:$i]/" + done + ''; + # gvfsTest: + # 1. Creates a 10M test file + # 2. Copies it to the device using GIO tools + # 3. Checks for corruption with `diff` + # 4. Removes the file, then unmounts the disks. + gvfsTest = pkgs.writeScript "gvfsTest.sh" '' + set -e + source ${mtpDevices} + ${mountAllMtpDevices} + dd if=/dev/urandom of=testFile10M bs=1M count=10 + for i in $mtpDevices + do + gio copy ./testFile10M gphoto2://[usb:$i]/ + ls -lah /run/user/0/gvfs/*/testFile10M + gio remove gphoto2://[usb:$i]/testFile10M + done + ${unmountAllMtpDevices} + ''; + }; + jmtpfs = { + # jmtpfsTest: + # 1. Mounts the device on a dir named `phone` using jmtpfs + # 2. Puts the current Nixpkgs libmtp version into a file + # 3. Checks for corruption with `diff` + # 4. Prints the directory tree + jmtpfsTest = pkgs.writeScript "jmtpfsTest.sh" '' + set -e + mkdir phone + jmtpfs phone + echo "${pkgs.libmtp.version}" > phone/tmp/testFile + echo "${pkgs.libmtp.version}" > testFile + diff phone/tmp/testFile testFile + tree phone + ''; + }; + in + # Using >&2 allows the results of the scripts to be printed to the terminal + # when building this test with Nix. Scripts would otherwise complete + # silently. + '' + start_all() + client.wait_for_unit("multi-user.target") + client.wait_for_unit("dbus.service") + client.succeed("${gvfs.gvfsTest} >&2") + client.succeed("${jmtpfs.jmtpfsTest} >&2") + ''; +}) |