#!/usr/bin/env bash

set -eu -o pipefail

: "${BUILDX_CMD=docker buildx}"
: "${CACHE_FROM=}"
: "${CACHE_TO=}"

: "${TEST_REPORT_SUFFIX=}"
: "${TEST_KEEP_CACHE=}"
: "${TEST_DOCKERD=}"
: "${TEST_BUILDKIT_IMAGE=}"

if [ -n "$CACHE_FROM" ]; then
  for cfrom in $CACHE_FROM; do
    setFlags+=(--set "*.cache-from=$cfrom")
  done
fi
if [ -n "$CACHE_TO" ]; then
  for cto in $CACHE_TO; do
    setFlags+=(--set "*.cache-to=$cto")
  done
fi

iid="buildx-tests"

testReportsDir="$(pwd)/bin/testreports"
mkdir -p "$testReportsDir"
testReportsVol="-v $testReportsDir:/testreports"
gotestsumArgs="--format=standard-verbose --jsonfile=/testreports/go-test-report$TEST_REPORT_SUFFIX.json --junitfile=/testreports/junit-report$TEST_REPORT_SUFFIX.xml"
gotestArgs="-mod=vendor -coverprofile=/testreports/coverage-report$TEST_REPORT_SUFFIX.txt -covermode=atomic"

${BUILDX_CMD} bake integration-test "${setFlags[@]}" --set "*.output=type=docker,name=$iid"

cacheVolume="buildx-test-cache"
if ! docker container inspect "$cacheVolume" >/dev/null 2>/dev/null; then
  docker create -v /root/.cache -v /root/.cache/registry -v /go/pkg/mod --name "$cacheVolume" alpine
fi

cid=$(docker create --rm -v /tmp $testReportsVol --volumes-from=$cacheVolume -e GITHUB_REF -e TEST_DOCKERD -e TEST_BUILDKIT_IMAGE -e SKIP_INTEGRATION_TESTS -e GOTESTSUM_FORMAT ${BUILDKIT_INTEGRATION_SNAPSHOTTER:+"-eBUILDKIT_INTEGRATION_SNAPSHOTTER"} -e BUILDKIT_REGISTRY_MIRROR_DIR=/root/.cache/registry --privileged $iid gotestsum $gotestsumArgs --packages="${TESTPKGS:-./...}" -- $gotestArgs ${TESTFLAGS:--v})
docker start -a -i $cid

if [ "$TEST_KEEP_CACHE" != "1" ]; then
  docker rm -v $cacheVolume
fi