Add tests for feature: detect incorrect password on init

Author: jmurty

CHANGELOG.md

@@ -37,7 +37,7 @@ system, you must also run the `--upgrade` command in each repository:
 ### Changed
 
 - Improve check for incorrect password to avoid false report when transcrypt
-  init is run with --force in a repo containing dirty files (#196)
+  init is run with --force in a repo containing dirty files & add tests (#196)
 
 ### Fixed
 

tests/_test_helper.bash

@@ -43,6 +43,10 @@ function init_transcrypt {
   "$BATS_TEST_DIRNAME"/../transcrypt --cipher=aes-256-cbc --password='abc 123' --yes
 }
 
+function uninstall_transcrypt {
+  "$BATS_TEST_DIRNAME"/../transcrypt --uninstall --yes
+}
+
 function encrypt_named_file {
   filename="$1"
   content=$2

tests/test_init.bats

@@ -168,3 +168,46 @@ SETUP_SKIP_INIT_TRANSCRYPT=1
   [ "${lines[0]}" = "==> sensitive_file <==" ]
   [ "${lines[1]}" = "$SECRET_CONTENT_ENC" ]
 }
+
+@test "crypt: warn on incorrect password as indicated by dirty files after init" {
+  init_transcrypt
+
+  SECRET_CONTENT="My secret content"
+  SECRET_CONTENT_ENC="U2FsdGVkX1/6ilR0PmJpAyCF7iG3+k4aBwbgVd48WaQXznsg42nXbQrlWsf/qiCg"
+
+  encrypt_named_file sensitive_file "$SECRET_CONTENT"
+
+  # Clear the password and reset the repo
+  uninstall_transcrypt
+  git reset --hard
+
+  # Init transcrypt with wrong password, command fails with error message
+  run "$BATS_TEST_DIRNAME"/../transcrypt --cipher=aes-256-cbc --password='WRONG' --yes
+  [ "$status" -eq 1 ]
+  [ "${lines[0]}" = "transcrypt: Unexpected new dirty files in the repository when configured by transcrypt, please check your password." ]
+}
+
+@test "crypt: warn on incorrect password as indicated by dirty files after init when forced" {
+  init_transcrypt
+
+  SECRET_CONTENT="My secret content"
+  SECRET_CONTENT_ENC="U2FsdGVkX1/6ilR0PmJpAyCF7iG3+k4aBwbgVd48WaQXznsg42nXbQrlWsf/qiCg"
+
+  encrypt_named_file sensitive_file "$SECRET_CONTENT"
+
+  # Clear the password and reset the repo
+  uninstall_transcrypt
+  git reset --hard
+
+  # Dirty repo before init, to check pre- and post-init dirty files counts
+  # work despite the pre-existing dirty file
+  echo "Dirty file" > dirty_file
+  git add dirty_file
+
+  # Force init transcrypt with wrong password, command fails with error message
+  run "$BATS_TEST_DIRNAME"/../transcrypt --force --cipher=aes-256-cbc --password='WRONG' --yes
+  [ "$status" -eq 1 ]
+  [ "${lines[0]}" = "transcrypt: Unexpected new dirty files in the repository when configured by transcrypt, please check your password." ]
+
+  rm dirty_file
+}