#!/usr/bin/env bash

set -eu -o pipefail

: "${BUILDX_CMD=docker buildx}"

: "${TEST_COVERAGE=}"
: "${TEST_IMAGE_BUILD=1}"
: "${TEST_IMAGE_ID=buildx-tests}"

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

if [ "$TEST_IMAGE_BUILD" = "1" ]; then
  ${BUILDX_CMD} bake integration-test --set "*.output=type=docker,name=$TEST_IMAGE_ID"
fi

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"

cacheVolume="buildx-test-cache"
if ! docker container inspect "$cacheVolume" >/dev/null 2>/dev/null; then
  docker create -v /root/.cache -v /root/.cache/registry -v /root/.cache/undock -v /go/pkg/mod --name "$cacheVolume" alpine
fi
if [ "$TEST_KEEP_CACHE" != "1" ]; then
  trap 'docker rm -v $cacheVolume' EXIT
fi

if [ "$TEST_COVERAGE" = "1" ]; then
  export GO_TEST_COVERPROFILE="/testreports/coverage-report$TEST_REPORT_SUFFIX.txt"
fi

cid=$(docker create --rm --privileged \
  -v /tmp $testReportsVol \
  --volumes-from=$cacheVolume \
  -e GITHUB_REF \
  -e TEST_DOCKERD \
  -e TEST_BUILDKIT_IMAGE \
  -e TEST_BUILDKIT_TAG \
  -e TEST_BUILDX_EXPERIMENTAL \
  -e SKIP_INTEGRATION_TESTS \
  -e GOTESTSUM_FORMAT \
  -e GO_TEST_COVERPROFILE \
  ${BUILDKIT_INTEGRATION_SNAPSHOTTER:+"-eBUILDKIT_INTEGRATION_SNAPSHOTTER"} \
  -e BUILDKIT_REGISTRY_MIRROR_DIR=/root/.cache/registry \
  $TEST_IMAGE_ID gotestsumandcover $gotestsumArgs --packages="${TESTPKGS:-./...}" -- $gotestArgs ${TESTFLAGS:--v})

docker start -a -i $cid