#!/usr/bin/env bash

: ${TEST_REPEAT:=0}

bundle_test_integration_cli() {
	TESTFLAGS="$TESTFLAGS -check.v -check.timeout=${TIMEOUT} -test.timeout=360m"
	go_test_dir integration-cli $DOCKER_INTEGRATION_TESTS_VERIFIED
}

# If $TESTFLAGS is set in the environment, it is passed as extra arguments to 'go test'.
# You can use this to select certain tests to run, e.g.
#
#     TESTFLAGS='-test.run ^TestBuild$' ./hack/make.sh test-unit
#
# For integration-cli test, we use [gocheck](https://labix.org/gocheck), if you want
# to run certain tests on your local host, you should run with command:
#
#     TESTFLAGS='-check.f DockerSuite.TestBuild*' ./hack/make.sh binary test-integration-cli
#
go_test_dir() {
	dir=$1
	precompiled=$2
	testbinary="$ABS_DEST/test.main"
	testcover=()
	testcoverprofile=()
	(
		set -e
		mkdir -p "$DEST/coverprofiles"
		export DEST="$ABS_DEST" # in a subshell this is safe -- our integration-cli tests need DEST, and "cd" screws it up
		if [ -z $precompiled ]; then
			ensure_test_dir $1 $testbinary
		fi
		cd "$dir"
		i=0
		while ((++i)); do
			test_env "$testbinary" $TESTFLAGS
			if [ $i -gt "$TEST_REPEAT" ]; then
				break
			fi
			echo "Repeating test ($i)"
		done
	)
}

ensure_test_dir() {
	(
		# make sure a test dir will compile
		dir="$1"
		out="$2"
		echo Building test dir: "$dir"
		set -xe
		cd "$dir"
		go test -c -o "$out" -ldflags "$LDFLAGS" "${BUILDFLAGS[@]}"
	)
}

test_env() {
	(
		set -xe
		# use "env -i" to tightly control the environment variables that bleed into the tests
		env -i \
			DEST="$DEST" \
			DOCKER_TLS_VERIFY="$DOCKER_TEST_TLS_VERIFY" \
			DOCKER_CERT_PATH="$DOCKER_TEST_CERT_PATH" \
			DOCKER_ENGINE_GOARCH="$DOCKER_ENGINE_GOARCH" \
			DOCKER_GRAPHDRIVER="$DOCKER_GRAPHDRIVER" \
			DOCKER_USERLANDPROXY="$DOCKER_USERLANDPROXY" \
			DOCKER_HOST="$DOCKER_HOST" \
			DOCKER_REMAP_ROOT="$DOCKER_REMAP_ROOT" \
			DOCKER_REMOTE_DAEMON="$DOCKER_REMOTE_DAEMON" \
			DOCKERFILE="$DOCKERFILE" \
			GOPATH="$GOPATH" \
			GOTRACEBACK=all \
			HOME="$ABS_DEST/fake-HOME" \
			PATH="$PATH" \
			TEMP="$TEMP" \
			TEST_IMAGE_NAMESPACE="$TEST_IMAGE_NAMESPACE" \
			"$@"
	)
}