#!/bin/sh
#
# Copyright (c) 2016 Jeromy Johnson
# MIT Licensed; see the LICENSE file in this repository.
#

test_description="Test ipfs repo fsck"

. lib/test-lib.sh

test_init_ipfs

sort_rand() {
	case `uname` in
		Linux)
			sort -R
			;;
		Darwin)
			ruby -e 'puts STDIN.readlines.shuffle'
			;;
		*)
			echo "unsupported system: $(uname)"
	esac
}

check_random_corruption() {
	to_break=$(find "$IPFS_PATH/blocks" -type f | sort_rand | head -n 1)

	test_expect_success "back up file and overwrite it" '
		cp "$to_break" backup_file &&
		echo "this is super broken" > "$to_break"
	'

	test_expect_success "repo verify detects failure" '
		test_expect_code 1 ipfs repo verify 
	'

	test_expect_success "replace the object" '
		cp backup_file "$to_break"
	'

	test_expect_success "ipfs repo verify passes just fine now" '
		ipfs repo verify
	'
}

test_expect_success "create some files" '
	random-files -depth=3 -dirs=4 -files=10 foobar > /dev/null
'

test_expect_success "add them all" '
	ipfs add -r -q foobar > /dev/null
'

for i in `seq 20`
do
	check_random_corruption
done

test_done
