diff --git a/tests/basic.sh b/tests/basic.sh
index a062d6d..d00a04e 100755
--- a/tests/basic.sh
+++ b/tests/basic.sh
@@ -3,6 +3,7 @@ set -ueo pipefail
 
 SCRIPT_DIR=$(dirname $(readlink -f "$0"))
 DB_FILE="test.db"
+FILENAME="test.mp4"
 
 oneTimeSetUp() {
     tag --db "$DB_FILE" init >/dev/null
@@ -27,7 +28,6 @@ testTagAdded() {
 }
 
 testFilenameAdded() {
-    local FILENAME="test.mp4"
     tag --db "$DB_FILE" add path "$FILENAME" >/dev/null
     RESULT=$(sqlite3 "$DB_FILE" "SELECT filename from files WHERE filename = '$FILENAME'")
     assertEquals "$RESULT" "$FILENAME"
@@ -35,9 +35,15 @@ testFilenameAdded() {
 
 testHashAdded() {
     local HASH="fbe2153ce0614d76a378b2e6fe07cc9e"
-    tag --db "$DB_FILE" add hash "$HASH" >/dev/null
-    RESULT=$(sqlite3 "$DB_FILE" "SELECT md5 from hashes WHERE hash = '$HASH'")
+    tag --db "$DB_FILE" add hash "$FILENAME" "$HASH" >/dev/null
+    RESULT=$(sqlite3 "$DB_FILE" "SELECT md5 from hashes WHERE md5 = '$HASH'")
     assertEquals "$RESULT" "$HASH"
 }
 
+testFailAddingHashOnNonexistentFile() {
+    local HASH="fbe2153ce0614d76a378b2e6fe07cc9e"
+    tag --db "$DB_FILE" add hash "nonexistentfile" "$HASH" 2>/dev/null
+    assertEquals "$?" 1
+}
+
 . ../shunit2/shunit2
\ No newline at end of file