From 4dc0b96bd101f34092a3ff5cd5864fc8fe7830c1 Mon Sep 17 00:00:00 2001
From: Piotr Szarmanski
Date: Mon, 24 Oct 2022 11:12:16 +0200
Subject: Add tests for file-backend and hash-backend.

---
 eris.asd                 |  2 ++
 src/eris-decode.lisp     |  5 ++--
 tests/backend-tests.lisp | 64 ++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 68 insertions(+), 3 deletions(-)
 create mode 100644 tests/backend-tests.lisp

diff --git a/eris.asd b/eris.asd
index 1c18f7f..b26fb09 100644
--- a/eris.asd
+++ b/eris.asd
@@ -15,6 +15,7 @@
                          (:file "eris-decode")
                          (:file "backend")
                          (:file "file-backend")
+                         (:file "hash-backend")
                          #+unix (:file "parallel-decoder"))))
   :in-order-to ((test-op (test-op :eris/test))))
 
@@ -31,4 +32,5 @@
                              (:file "decode-tests")
                              (:file "rfc")
                              (:file "autogenerated-tests")
+                             (:file "backend-tests")
                              #+unix (:file "parallel-tests")))))
diff --git a/src/eris-decode.lisp b/src/eris-decode.lisp
index 3d93312..806bd37 100644
--- a/src/eris-decode.lisp
+++ b/src/eris-decode.lisp
@@ -228,14 +228,13 @@ cache. It may be NIL to turn off caching entirely."
                                                        :capacity cache-capacity
                                                        :table (make-hash-table :size (1+ cache-capacity) :test #'equalp))
                                          (reference key nonce)
-                                         (declare (type octet-vector reference key))
+                                         (declare (type octet-vector reference key nonce))
                                          (let ((block (execute-fetch-function fetch-function reference)))
                                            (declare (type octet-vector block))
                                            (hash-check block reference)
                                            (decrypt-block block key nonce)))
                         (lambda (reference key nonce)
-                          (declare (type octet-vector reference key)
-                                   (optimize (debug 3)))
+                          (declare (type octet-vector reference key nonce)) 
                           (let ((block (execute-fetch-function fetch-function reference)))
                             (declare (type octet-vector block))
                             (hash-check block reference)
diff --git a/tests/backend-tests.lisp b/tests/backend-tests.lisp
new file mode 100644
index 0000000..625740f
--- /dev/null
+++ b/tests/backend-tests.lisp
@@ -0,0 +1,64 @@
+;; This file is part of eris-cl.
+;; Copyright (C) 2022 Piotr Szarmański
+
+;; eris-cl is free software: you can redistribute it and/or modify it under the
+;; terms of the GNU Lesser General Public License as published by the Free
+;; Software Foundation, either version 3 of the License, or (at your option) any
+;; later version.
+
+;; eris-cl is distributed in the hope that it will be useful, but WITHOUT ANY
+;; WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+;; A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License along with
+;; eris-cl. If not, see <https://www.gnu.org/licenses/>.
+
+(in-package :eris/test)
+
+(def-suite* backend-tests :in eris-tests)
+
+(defmacro test-hash-backend (array block-size &optional (secret null-secret))
+  `(let ((backend (make-instance 'hash-backend))
+         (array ,array))
+     (is (equalp (alexandria:read-stream-content-into-byte-vector
+                  (fetch-read-capability
+                   (store-data array backend :block-size ,block-size :secret ,secret) backend))
+                 array))))
+
+(test simple-hash-backend-tests
+  (test-hash-backend (make-octets 1023 :element 1) 1kib)
+  (test-hash-backend (make-octets 1025 :element 2) 1kib)
+  (test-hash-backend (make-octets 16383 :element 3) 1kib)
+  (test-hash-backend (make-octets 16384 :element 4) 1kib)
+  (test-hash-backend (make-octets 1 :element 5) 32kib)
+  (test-hash-backend (make-octets 16834 :element 5) 32kib)
+  (test-hash-backend (make-octets 96000 :element 5) 32kib))
+
+(defun make-temporary-dir ()
+  (let* ((tmpdir (uiop:temporary-directory))
+         (tmp-tmpdir (make-pathname :directory (serapeum:append1
+                                     (pathname-directory tmpdir)
+                                     (ironclad:byte-array-to-hex-string (ironclad:random-data 10)))
+                         :defaults tmpdir)))
+    (ensure-directories-exist tmp-tmpdir)
+    tmp-tmpdir))
+
+(defmacro test-file-backend (array &optional (secret null-secret))
+  `(let ((tmpdir (make-temporary-dir)))
+     (unwind-protect
+          (let* ((backend (make-instance 'file-backend :directory tmpdir))
+                 (array ,array))
+            (is (equalp (alexandria:read-stream-content-into-byte-vector
+                         (fetch-read-capability
+                          (store-data array backend :secret ,secret) backend))
+                        array)))
+       (uiop:delete-directory-tree tmpdir :validate t))))
+
+(test simple-file-backend-tests
+  (test-file-backend (make-octets 1023 :element 1))
+  (test-file-backend (make-octets 1025 :element 2))
+  (test-file-backend (make-octets 16383 :element 3))
+  (test-file-backend (make-octets 16384 :element 4))
+  (test-file-backend (make-octets 1 :element 5))
+  (test-file-backend (make-octets 16834 :element 5))
+  (test-file-backend (make-octets 96000 :element 5)))
-- 
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