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|
#!/usr/bin/env bats
load helpers
function check_lengths() {
local image=$1
local expect=$2
# matrix test: check given .Docker.* and .OCIv1.* fields in image
for which in Docker OCIv1; do
for field in RootFS.DiffIDs History; do
run_buildah inspect -t image -f "{{len .$which.$field}}" $image
expect_output "$expect"
done
done
}
@test "squash" {
createrandom ${TESTDIR}/randomfile
run_buildah from scratch
cid=$output
image=stage0
remove=(8 5)
for stage in $(seq 10) ; do
run_buildah copy "$cid" ${TESTDIR}/randomfile /layer${stage}
image=stage${stage}
if test $stage -eq ${remove[0]} ; then
run_buildah mount "$cid"
mountpoint=$output
rm -f ${mountpoint}/layer${remove[1]}
fi
run_buildah commit --signature-policy ${TESTSDIR}/policy.json --rm "$cid" ${image}
check_lengths $image $stage
run_buildah from --quiet ${image}
cid=$output
done
run_buildah commit --signature-policy ${TESTSDIR}/policy.json --rm --squash "$cid" squashed
check_lengths squashed 1
run_buildah from --quiet squashed
cid=$output
run_buildah mount $cid
mountpoint=$output
for stage in $(seq 10) ; do
if test $stage -eq ${remove[1]} ; then
if test -e $mountpoint/layer${remove[1]} ; then
echo file /layer${remove[1]} should not be there
exit 1
fi
continue
fi
cmp $mountpoint/layer${stage} ${TESTDIR}/randomfile
done
}
@test "squash-using-dockerfile" {
createrandom ${TESTDIR}/randomfile
image=stage0
from=scratch
for stage in $(seq 10) ; do
mkdir -p ${TESTDIR}/stage${stage}
echo FROM ${from} > ${TESTDIR}/stage${stage}/Dockerfile
cp ${TESTDIR}/randomfile ${TESTDIR}/stage${stage}/
echo COPY randomfile /layer${stage} >> ${TESTDIR}/stage${stage}/Dockerfile
image=stage${stage}
from=${image}
run_buildah build-using-dockerfile --signature-policy ${TESTSDIR}/policy.json -t ${image} ${TESTDIR}/stage${stage}
check_lengths $image $stage
done
mkdir -p ${TESTDIR}/squashed
echo FROM ${from} > ${TESTDIR}/squashed/Dockerfile
cp ${TESTDIR}/randomfile ${TESTDIR}/squashed/
echo COPY randomfile /layer-squashed >> ${TESTDIR}/stage${stage}/Dockerfile
run_buildah build-using-dockerfile --signature-policy ${TESTSDIR}/policy.json --squash -t squashed ${TESTDIR}/squashed
check_lengths squashed 1
run_buildah from --quiet squashed
cid=$output
run_buildah mount $cid
mountpoint=$output
for stage in $(seq 10) ; do
cmp $mountpoint/layer${stage} ${TESTDIR}/randomfile
done
run_buildah build-using-dockerfile --signature-policy ${TESTSDIR}/policy.json --squash --layers -t squashed ${TESTDIR}/squashed
run_buildah inspect -t image -f '{{len .Docker.RootFS.DiffIDs}}' squashed
expect_output "1" "len(DiffIDs) - simple image"
echo FROM ${from} > ${TESTDIR}/squashed/Dockerfile
run_buildah build-using-dockerfile --signature-policy ${TESTSDIR}/policy.json --squash -t squashed ${TESTDIR}/squashed
run_buildah inspect -t image -f '{{len .Docker.RootFS.DiffIDs}}' squashed
expect_output "1" "len(DiffIDs) - image with FROM"
echo USER root >> ${TESTDIR}/squashed/Dockerfile
run_buildah build-using-dockerfile --signature-policy ${TESTSDIR}/policy.json --squash -t squashed ${TESTDIR}/squashed
run_buildah inspect -t image -f '{{len .Docker.RootFS.DiffIDs}}' squashed
expect_output "1" "len(DiffIDs) - image with FROM and USER"
echo COPY file / >> ${TESTDIR}/squashed/Dockerfile
echo COPY file / > ${TESTDIR}/squashed/file
run_buildah build-using-dockerfile --signature-policy ${TESTSDIR}/policy.json --squash -t squashed ${TESTDIR}/squashed
run_buildah inspect -t image -f '{{len .Docker.RootFS.DiffIDs}}' squashed
expect_output "1" "len(DiffIDs) - image with FROM, USER, and 2xCOPY"
echo FROM ${from} > ${TESTDIR}/squashed/Dockerfile
run_buildah build-using-dockerfile --signature-policy ${TESTSDIR}/policy.json --squash --layers -t squashed ${TESTDIR}/squashed
run_buildah inspect -t image -f '{{len .Docker.RootFS.DiffIDs}}' squashed
expect_output "1" "len(DiffIDs) - image with FROM (--layers)"
echo USER root >> ${TESTDIR}/squashed/Dockerfile
run_buildah build-using-dockerfile --signature-policy ${TESTSDIR}/policy.json --squash -t squashed ${TESTDIR}/squashed
run_buildah inspect -t image -f '{{len .Docker.RootFS.DiffIDs}}' squashed
expect_output "1" "len(DiffIDs) - image with FROM and USER (--layers)"
echo COPY file / >> ${TESTDIR}/squashed/Dockerfile
echo COPY file / > ${TESTDIR}/squashed/file
run_buildah build-using-dockerfile --signature-policy ${TESTSDIR}/policy.json --squash -t squashed ${TESTDIR}/squashed
run_buildah inspect -t image -f '{{len .Docker.RootFS.DiffIDs}}' squashed
expect_output "1" "len(DiffIDs) - image with FROM, USER, and 2xCOPY (--layers)"
}
|
