Add cross-realm support to "make testrealm"

Allow "make testrealm CROSSNUM=N" to make N fully-connected realms for
cross-realm testing convenience.

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25435 dc483132-0cff-0310-8789-dd5450dbe970

2 files changed, 12 insertions, 3 deletions

diff --git a/src/Makefile.in b/src/Makefile.in
index 7ac83206e..acd27baf0 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -592,8 +592,11 @@ check-unix:: krb5-config
 check-prerecurse: fake-install
 
 # Create a test realm and spawn a shell in an environment pointing to it.
+# If CROSSNUM is set, create that many fully connected test realms and
+# point the shell at the first one.
 testrealm: fake-install
-	PYTHONPATH=$(BUILDTOP):$(top_srcdir)/util $(PYTHON) $(srcdir)/util/testrealm.py
+	PYTHONPATH=$(top_srcdir)/util $(PYTHON) $(srcdir)/util/testrealm.py \
+		$(CROSSNUM)
 
 # environment variable settings to propagate to Python-based tests
 
diff --git a/src/util/testrealm.py b/src/util/testrealm.py
index 30b3256ed..53f062250 100644
--- a/src/util/testrealm.py
+++ b/src/util/testrealm.py
@@ -22,7 +22,9 @@
 
 # Invoked by the testrealm target in the top-level Makefile.  Creates
 # a test realm and spawns a shell pointing at it, for convenience of
-# manual testing.
+# manual testing.  If a numeric argument is present after options,
+# creates that many fully connected test realms and point the shell at
+# the first one.
 
 from k5test import *
 
@@ -53,7 +55,11 @@ def supplement_path(env):
     # Assume PATH exists in env for simplicity.
     env['PATH'] = path_prefix + env['PATH']
 
-realm = K5Realm()
+if args:
+    realms = cross_realms(int(args[0]))
+    realm = realms[0]
+else:
+    realm = K5Realm()
 env = realm.env_master.copy()
 supplement_path(env)