incremental block hasher (for zfs-verify)

2022-02-20 12:59:43 +01:00
parent 3ca1bce9b2
commit 4d27b3b6ea
2 changed files with 105 additions and 0 deletions
--- a/tests/test_check.py
+++ b/tests/test_check.py
@ -0,0 +1,66 @@
+from basetest import *
+from zfs_autobackup.util import *
+
+
+class TestZfsEncryption(unittest2.TestCase):
+
+    def setUp(self):
+        pass
+
+    def test_blockhash(self):
+        # sha1 sums of files, (bs=4096)
+        # da39a3ee5e6b4b0d3255bfef95601890afd80709  empty
+        # 642027d63bb0afd7e0ba197f2c66ad03e3d70de1  partial
+        # 3c0bf91170d873b8e327d3bafb6bc074580d11b7  whole
+        # 2e863f1fcccd6642e4e28453eba10d2d3f74d798  whole2
+        # 959e6b58078f0cfd2fb3d37e978fda51820473ff  whole_whole2
+        # 309ffffba2e1977d12f3b7469971f30d28b94bd8  whole_whole2_partial
+
+
+        self.assertEqual(
+            list(block_hash("tests/data/empty", count=1)),
+            []
+        )
+
+        self.assertEqual(
+            list(block_hash("tests/data/partial", count=1)),
+            [(0, "642027d63bb0afd7e0ba197f2c66ad03e3d70de1")]
+        )
+
+        self.assertEqual(
+            list(block_hash("tests/data/whole", count=1)),
+            [(0, "3c0bf91170d873b8e327d3bafb6bc074580d11b7")]
+        )
+
+        self.assertEqual(
+            list(block_hash("tests/data/whole_whole2", count=1)),
+            [
+                (0, "3c0bf91170d873b8e327d3bafb6bc074580d11b7"),
+                (1, "2e863f1fcccd6642e4e28453eba10d2d3f74d798")
+            ]
+        )
+
+        self.assertEqual(
+            list(block_hash("tests/data/whole_whole2_partial", count=1)),
+            [
+                (0, "3c0bf91170d873b8e327d3bafb6bc074580d11b7"), #whole
+                (1, "2e863f1fcccd6642e4e28453eba10d2d3f74d798"), #whole2
+                (2, "642027d63bb0afd7e0ba197f2c66ad03e3d70de1")  #partial
+            ]
+        )
+
+        self.assertEqual(
+            list(block_hash("tests/data/whole_whole2_partial", count=2)),
+            [
+                (0, "959e6b58078f0cfd2fb3d37e978fda51820473ff"), #whole_whole2
+                (1, "642027d63bb0afd7e0ba197f2c66ad03e3d70de1")  #partial
+            ]
+        )
+
+        self.assertEqual(
+            list(block_hash("tests/data/whole_whole2_partial", count=10)),
+            [
+                (0, "309ffffba2e1977d12f3b7469971f30d28b94bd8"), #whole_whole2_partial
+            ]
+        )
+