storage/tests/delete-layer.bats

70 lines
2.2 KiB
Bash

#!/usr/bin/env bats
load helpers
@test "delete-layer" {
# Create a layer.
run storage --debug=false create-layer
[ "$status" -eq 0 ]
[ "$output" != "" ]
lowerlayer="$output"
# Mount the layer.
run storage --debug=false mount $lowerlayer
[ "$status" -eq 0 ]
[ "$output" != "" ]
lowermount="$output"
# Create a random file in the layer.
createrandom "$lowermount"/layer1file1
# Unmount the layer.
storage unmount $lowerlayer
# Create a second layer based on the first one.
run storage --debug=false create-layer "$lowerlayer"
[ "$status" -eq 0 ]
[ "$output" != "" ]
midlayer="$output"
# Mount the second layer.
run storage --debug=false mount $midlayer
[ "$status" -eq 0 ]
[ "$output" != "" ]
midmount="$output"
# Make sure the file from the first layer is present in this layer, then remove it.
test -s "$midmount"/layer1file1
rm -f -v "$midmount"/layer1file1
# Create a new file in this layer.
createrandom "$midmount"/layer2file1
# Unmount the second layer.
storage unmount $midlayer
# Create a third layer based on the second one.
run storage --debug=false create-layer "$midlayer"
[ "$status" -eq 0 ]
[ "$output" != "" ]
upperlayer="$output"
# Mount the third layer.
run storage --debug=false mount $upperlayer
[ "$status" -eq 0 ]
[ "$output" != "" ]
uppermount="$output"
# Make sure the file from the second layer is present in this layer,
# and that the one from the first didn't come back somehow..
test -s "$uppermount"/layer2file1
run test -s "$uppermount"/layer1file1
[ "$status" -ne 0 ]
# Unmount the third layer.
storage unmount $upperlayer
# Try to delete the first layer, which should fail because it has children.
run storage delete-layer $lowerlayer
[ "$status" -ne 0 ]
# Try to delete the second layer, which should fail because it has children.
run storage delete-layer $midlayer
[ "$status" -ne 0 ]
# Try to delete the third layer, which should succeed because it has no children.
storage delete-layer $upperlayer
# Try to delete the second again, and it should succeed because that child is gone.
storage delete-layer $midlayer
# Try to delete the first again, and it should succeed because that child is gone.
storage delete-layer $lowerlayer
}