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bug#23619: Some epg tests fail


From: npostavs
Subject: bug#23619: Some epg tests fail
Date: Tue, 21 Feb 2017 21:05:51 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux)

Daiki Ueno <address@hidden> writes:

> address@hidden writes:
>
>> Daiki Ueno <address@hidden> writes:
>>
>>> address@hidden writes:
>>>
>>>> Although this doesn't solve the problem for gpg 2.0.
>>>
>>> For a proper fix, you might want to check how GPGME and its test suites
>>> do.
>>
>> I don't see anything to handle gpg 2.0, specifically.  They do disable
>> pinentry for versions below 2.1.  Maybe their tests don't work with 2.0
>> either?
>
> It sounds unlikely to me that they don't work with 2.0, because 2.0
> support has been there for a decade.
>
> If I understand correctly their tests use their own pinentry program for
> 2.0 and 2.1:
> https://git.gnupg.org/cgi-bin/gitweb.cgi?p=gpgme.git;a=blob;f=tests/gpg/pinentry
> https://git.gnupg.org/cgi-bin/gitweb.cgi?p=gpgme.git;a=blob;f=tests/gpg/Makefile.am;h=8e26a92f0c54ce3c76e63e223ce034dea11d6e71;hb=HEAD#l115
>
> If your goal is to make epg tests work with all gpg versions, this could
> be an option worth considering.

The patch below lets the tests succeed also without the loopback patch.
Should we have both?

>From 822207cea1f6b65a19c665a96bcbe181ab47547c Mon Sep 17 00:00:00 2001
From: Noam Postavsky <address@hidden>
Date: Tue, 21 Feb 2017 20:46:15 -0500
Subject: [PATCH v3] Fix epg-tests with dummy-pinentry program (Bug#23619)

* test/data/epg/dummy-pinentry: New file.
* test/lisp/epg-tests.el (with-epg-tests): Add it to gpg-agent.conf
when a passphrase is required.  Add debug declaration.  Set
GPG_AGENT_INFO non-destructively.
---
 test/data/epg/dummy-pinentry | 22 ++++++++++++++++++++++
 test/lisp/epg-tests.el       | 18 ++++++++++++------
 2 files changed, 34 insertions(+), 6 deletions(-)
 create mode 100755 test/data/epg/dummy-pinentry

diff --git a/test/data/epg/dummy-pinentry b/test/data/epg/dummy-pinentry
new file mode 100755
index 0000000000..2228dfb0c6
--- /dev/null
+++ b/test/data/epg/dummy-pinentry
@@ -0,0 +1,22 @@
+#! /bin/bash
+# Dummy pinentry
+#
+# Copyright 2008 g10 Code GmbH
+#
+# This file is free software; as a special exception the author gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+#
+# This file is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+# PURPOSE.
+
+echo OK Your orders please
+
+while read cmd; do
+  case $cmd in
+    GETPIN) echo D test0123456789; echo OK;;
+    *) echo OK;;
+  esac
+done
diff --git a/test/lisp/epg-tests.el b/test/lisp/epg-tests.el
index ea2b62c358..c61527207f 100644
--- a/test/lisp/epg-tests.el
+++ b/test/lisp/epg-tests.el
@@ -52,8 +52,9 @@ epg-tests-passphrase-callback
                                        require-secret-key)
                            &rest body)
   "Set up temporary locations and variables for testing."
-  (declare (indent 1))
-  `(let ((epg-tests-home-directory (make-temp-file "epg-tests-homedir" t)))
+  (declare (indent 1) (debug (sexp body)))
+  `(let ((epg-tests-home-directory (make-temp-file "epg-tests-homedir" t))
+         (process-environment (cons "GPG_AGENT_INFO" process-environment)))
      (unwind-protect
         (let ((context (epg-make-context 'OpenPGP)))
            (setf (epg-context-program context)
@@ -63,11 +64,16 @@ epg-tests-passphrase-callback
                                   `'require-passphrase))))
           (setf (epg-context-home-directory context)
                 epg-tests-home-directory)
-          (setenv "GPG_AGENT_INFO")
           ,(if require-passphrase
-               `(epg-context-set-passphrase-callback
-                 context
-                 #'epg-tests-passphrase-callback))
+               `(with-temp-file (expand-file-name
+                                  "gpg-agent.conf" epg-tests-home-directory)
+                   (insert "pinentry-program "
+                           (expand-file-name "dummy-pinentry"
+                                             epg-tests-data-directory)
+                           "\n")
+                   (epg-context-set-passphrase-callback
+                    context
+                    #'epg-tests-passphrase-callback)))
           ,(if require-public-key
                `(epg-import-keys-from-file
                  context
-- 
2.11.1


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