Add sharness test for read blockstore rehashing

License: MIT
Signed-off-by: Jakub Sztandera <kubuxu@protonmail.ch>

test/sharness/t0084-repo-read-rehash.sh

@@ -0,0 +1,37 @@
+#!/bin/sh
+#
+# Copyright (c) 2016 Mike Pfister 
+# MIT Licensed; see the LICENSE file in this repository.
+#
+
+test_description="Test ipfs blockstore repo read check."
+
+. lib/test-lib.sh
+
+rm -rf "$IPF_PATH/*"
+
+test_init_ipfs
+
+
+H_BLOCK1=$(echo "Block 1" | ipfs add -q)
+H_BLOCK2=$(echo "Block 2" | ipfs add -q)
+
+BS_BLOCK1="1220f18e/1220f18e07ebc69997909358f28b9d2c327eb032b0afab6bbc7fd7f399a7b7590be4.data"
+BS_BLOCK2="1220dc58/1220dc582e51f1f98b1f2d1c1baaa9f7b11602239ed42fbdf8f52d67e63cc03df12a.data"
+
+
+test_expect_success 'blocks are swapped' '
+	ipfs cat $H_BLOCK2 > noswap &&
+	cp -f "$IPFS_PATH/blocks/$BS_BLOCK1" "$IPFS_PATH/blocks/$BS_BLOCK2" &&
+	ipfs cat $H_BLOCK2 > swap &&
+	test_must_fail test_cmp noswap swap
+'
+
+ipfs config --bool Datastore.HashOnRead true
+
+test_expect_success 'getting modified block fails' '
+	(test_must_fail ipfs cat $H_BLOCK2 2> err_msg) &&
+	grep "block in storage has different hash than requested" err_msg
+'
+
+test_done