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020-copy.bats: check that we set the manifest type correctly

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When copying to an OCI layout destination, forcing zstd compression,
check that the manifest correctly describes the type of the layer blob.

Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>
This commit is contained in:
Nalin Dahyabhai 2020-12-03 16:57:12 -05:00
parent 5995ceedf9
commit 81e66ffc46
1 changed files with 7 additions and 1 deletions
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8
systemtest/020-copy.bats
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@ -45,7 +45,7 @@ function setup() {
}
# Compression zstd
@test "copy: oci, round trip, zstd" {
@test "copy: oci, zstd" {
local remote_image=docker://quay.io/libpod/busybox:latest
local dir=$TESTDIR/dir
@ -57,6 +57,12 @@ function setup() {
# Check there is at least one file that has the zstd magic number as the first 4 bytes
(for i in $dir/blobs/sha256/*; do test "$(head -c 4 $i)" = $magic && exit 0; done; exit 1)
# Check that the manifest's description of the image's first layer is the zstd layer type
instance=$(jq -r '.manifests[0].digest' $dir/index.json)
[[ "$instance" != null ]]
mediatype=$(jq -r '.layers[0].mediaType' < $dir/blobs/${instance/://})
[[ "$mediatype" == "application/vnd.oci.image.layer.v1.tar+zstd" ]]
}
# Same image, extracted once with :tag and once without