Test

[WIP] Bump bazel #180

	name: Test

	on:

	pull_request:
	branches:
	- master
	- release-[0-9]+.[0-9]+

	jobs:

	test:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v1

	- name: Mount bazel cache
	uses: actions/cache@v1
	with:
	path: "/home/runner/.cache/bazel"
	key: bazel

	- name: Install bazelisk
	run: \|
	curl -LO "https://github.com/bazelbuild/bazelisk/releases/download/v1.6.1/bazelisk-linux-amd64"
	mkdir -p "${GITHUB_WORKSPACE}/bin/"
	mv bazelisk-linux-amd64 "${GITHUB_WORKSPACE}/bin/bazel"
	chmod +x "${GITHUB_WORKSPACE}/bin/bazel"

	- name: Install clang-12
	run: \|
	sudo apt install clang-12

	- uses: actions/setup-go@v2
	with:
	go-version: '^1.17.0'

	- name: Build
	run: \|
	set -eux

	for target in $(bazel query ...); do
	if [[ "{$target}" == ":_wasm_" ]]; then
	# skip wasm transition target
	continue
	fi
	if [[ "${target}" != *".wasm" ]]; then
	# Build wasm modules only
	continue
	fi
	"${GITHUB_WORKSPACE}/bin/bazel" build "${target}"
	done

	- name: Unit Test
	run: \|
	CC=clang-12 CXX=clang++-12 "${GITHUB_WORKSPACE}/bin/bazel" test --test_output=errors //...

	- name: Integration Test
	run: \|
	set -eux

	BRANCH_NAME=$(echo "${GITHUB_BASE_REF}" \| cut -d "/" -f3)
	export ISTIO_TEST_VERSION=${BRANCH_NAME#"release-"}
	go test ./test/...

	- name: Build Example
	run: \|
	set -eux
	cd example
	bazel build //:example.wasm

	- name: Example Integration Test
	run: \|
	set -eux

	BRANCH_NAME=$(echo "${GITHUB_BASE_REF}" \| cut -d "/" -f3)
	export ISTIO_TEST_VERSION=${BRANCH_NAME#"release-"}
	go test ./example/...

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