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summary: Ensure that the nvidia-drivers-support interface works.
details: |
The nvidia-drivers-support interface allows a snap to create character devices
A snap which has access to the nvidia-drivers-support must be shown
in the interfaces list. The plug must not be connected on install
and, as usual, must be able to be reconnected.
A snap declaring a plug on this interface must be able to create
/dev/nvidiactl.
prepare: |
echo "Given a snap declaring a plug on the nvidia-drivers-support interface is installed"
"$TESTSTOOLS"/snaps-state install-local test-snapd-nvidia-drivers-support
execute: |
echo "The interface is not connected by default"
snap interfaces -i nvidia-drivers-support | MATCH '^- +test-snapd-nvidia-drivers-support:nvidia-drivers-support'
echo "When the plug is connected"
snap connect test-snapd-nvidia-drivers-support:nvidia-drivers-support
echo "Then the snap is able to create chardevice"
test-snapd-nvidia-drivers-support.check 2>hw.error
if MATCH "Permission denied" < hw.error; then
echo "Permission error when using mknod"
exit 1
fi
if [ "$(snap debug confinement)" = partial ] ; then
exit 0
fi
echo "When the plug is disconnected"
snap disconnect test-snapd-nvidia-drivers-support:nvidia-drivers-support
echo "Then the snap is not able to create chardevice"
if test-snapd-nvidia-drivers-support.check 2>hw.error; then
echo "Expected permission error when using mknod"
exit 1
fi
MATCH "Permission denied" < hw.error
echo "And the snap is able to reconnect"
snap connect test-snapd-nvidia-drivers-support:nvidia-drivers-support
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