#!/bin/bash

DEST=$1

set -e

TEXTRESET=$'\033[0m' # reset the foreground colour
RED=$'\033[31m'
GREEN=$'\033[32m'

# Run Docker's test suite, including sub-packages, and store their output as a bundle
# If $TESTFLAGS is set in the environment, it is passed as extra arguments to 'go test'.
# You can use this to select certain tests to run, eg.
#
#   TESTFLAGS='-run ^TestBuild$' ./hack/make.sh test
#
bundle_test() {
	{
		date

		TESTS_FAILED=()
		for test_dir in $(find_test_dirs); do
			echo

			if ! LDFLAGS="$LDFLAGS $LDFLAGS_STATIC" go_test_dir "$test_dir"; then
				TESTS_FAILED+=("$test_dir")
				echo
				echo "${RED}Tests failed: $test_dir${TEXTRESET}"
				sleep 1 # give it a second, so observers watching can take note
			fi
		done

		echo
		echo
		echo

		# if some tests fail, we want the bundlescript to fail, but we want to
		# try running ALL the tests first, hence TESTS_FAILED
		if [ "${#TESTS_FAILED[@]}" -gt 0 ]; then
			echo "${RED}Test failures in: ${TESTS_FAILED[@]}${TEXTRESET}"
			echo
			false
		else
			echo "${GREEN}Test success${TEXTRESET}"
			echo
			true
		fi
	} 2>&1 | tee $DEST/test.log
}


# This helper function walks the current directory looking for directories
# holding Go test files, and prints their paths on standard output, one per
# line.
find_test_dirs() {
	find -not \( \
		\( -wholename './vendor' -o -wholename './integration' \) \
		-prune \
	\) -name '*_test.go' -print0 | xargs -0n1 dirname | sort -u
}

bundle_test