add sharness test for tar commands

License: MIT
Signed-off-by: Jeromy <jeromyj@gmail.com>

test/sharness/t0210-tar.sh

+#!/bin/sh
+#
+# Copyright (c) 2015 Jeromy Johnson
+# MIT Licensed; see the LICENSE file in this repository.
+#
+
+test_description="Test tar commands"
+
+. lib/test-lib.sh
+
+test_init_ipfs
+
+test_expect_success "create some random files" '
+	mkdir foo &&
+	random 10000 > foo/a &&
+	random 12345 > foo/b &&
+	mkdir foo/bar &&
+	random 5432 > foo/bar/baz &&
+	ln -s ../a foo/bar/link &&
+	echo "exit" > foo/script &&
+	chmod +x foo/script
+'
+
+test_expect_success "tar those random files up" '
+	tar cf files.tar foo/
+'
+
+test_expect_success "'ipfs tar add' succeeds" '
+	TAR_HASH=$(ipfs tar add files.tar)
+'
+
+test_expect_success "'ipfs tar cat' succeeds" '
+	mkdir output &&
+	ipfs tar cat $TAR_HASH > output/out.tar
+'
+
+test_expect_success "can extract tar" '
+	tar xf output/out.tar -C output/
+'
+
+test_expect_success "files look right" '
+	diff foo/a output/foo/a &&
+	diff foo/b output/foo/b &&
+	diff foo/bar/baz output/foo/bar/baz &&
+	[ -L output/foo/bar/link ] &&
+	[ -x foo/script ]
+'
+
+test_done