tests: Test the migration from a classic GnuPG home directory.

* configure.ac: Add new directory.
* tests/Makefile.am (SUBDIRS): Likewise.
* tests/migrations/Makefile.am: New file.
* tests/migrations/from-classic.gpghome/pubring.gpg.asc: Likewise.
* tests/migrations/from-classic.gpghome/secring.gpg.asc: Likewise.
* tests/migrations/from-classic.gpghome/trustdb.gpg.asc: Likewise.
* tests/migrations/from-classic.test: Likewise.

Signed-off-by: Justus Winter <justus@g10code.com>

tests/migrations/from-classic.test

@@ -0,0 +1,52 @@
+#!/bin/sh
+# Copyright 2016 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.
+
+if [ -z "$srcdir" ]; then
+   echo "not called from make" >&2
+   exit 1
+fi
+
+set -e
+
+# (We may not use a relative name for gpg-agent.)
+GPG_AGENT="$(cd ../../agent && /bin/pwd)/gpg-agent"
+GPG="../../g10/gpg --no-permission-warning --no-greeting --no-secmem-warning
+--batch --agent-program=${GPG_AGENT}|--debug-quick-random"
+
+export GNUPGHOME="from-classic.gpghome"
+
+setup_home()
+{
+    rm -rf -- "$GNUPGHOME"
+    mkdir "$GNUPGHOME"
+    for F in $srcdir/$GNUPGHOME/*.asc
+    do
+	$GPG --dearmor <"$F" >"$GNUPGHOME/`echo $F | sed -e 's/....$//'`"
+    done
+    chmod go-rwx $GNUPGHOME/*
+}
+
+trigger_migration()
+{
+    $GPG --list-secret-keys >/dev/null
+}
+
+assert_migrated()
+{
+    test -f $GNUPGHOME/.gpg-v21-migrated
+
+    for KEY in D74C5F22 C40FDECF ECABF51D; do
+	$GPG --list-secret-keys $KEY >/dev/null
+    done
+}
+
+setup_home
+trigger_migration
+assert_migrated