From patchwork Thu Feb  8 23:02:21 2018
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Date: Thu, 08 Feb 2018 18:02:21 -0500
Message-Id: <xnmv0jm6f6.fsf@greed.delorie.com>
From: DJ Delorie <dj@redhat.com>
To: libc-alpha@sourceware.org
Subject: RFC [2/2] test-in-container example


diff --git a/nss/Makefile b/nss/Makefile
index a5cd2aacae..60a28a1519 100644
--- a/nss/Makefile
+++ b/nss/Makefile
@@ -55,11 +55,13 @@ tests-internal		= tst-field
 tests			= test-netdb test-digits-dots tst-nss-getpwent bug17079 \
 			  tst-nss-test1 \
 			  tst-nss-test2 \
-			  tst-nss-test3 \
 			  tst-nss-test4 \
 			  tst-nss-test5
 xtests			= bug-erange
 
+tests-container = \
+			  tst-nss-test3
+
 # Tests which need libdl
 ifeq (yes,$(build-shared))
 tests += tst-nss-files-hosts-erange
diff --git a/nss/tst-nss-test3.c b/nss/tst-nss-test3.c
index d9d708ae7b..4112231778 100644
--- a/nss/tst-nss-test3.c
+++ b/nss/tst-nss-test3.c
@@ -107,7 +107,11 @@ do_test (void)
   int i;
   struct group *g = NULL;
 
-  __nss_configure_lookup ("group", "test1");
+/* Previously we used __nss_configure_lookup to isolate the test
+   from the host environment and to get it to lookup from our new
+   test1 NSS service module, but now this test is run in a different
+   root filesystem via the test-container support and we directly
+   configure the use of the test1 NSS service.  */
 
   setgrent ();
 
diff --git a/nss/tst-nss-test3.root/etc/nsswitch.conf b/nss/tst-nss-test3.root/etc/nsswitch.conf
new file mode 100644
index 0000000000..5e08fe5eea
--- /dev/null
+++ b/nss/tst-nss-test3.root/etc/nsswitch.conf
@@ -0,0 +1 @@
+group	test1
diff --git a/nss/tst-nss-test3.root/files.txt b/nss/tst-nss-test3.root/files.txt
new file mode 100644
index 0000000000..a10beb1e6c
--- /dev/null
+++ b/nss/tst-nss-test3.root/files.txt
@@ -0,0 +1,2 @@
+cp $B/nss/libnss_test1.so $L/libnss_test1.so.2
+cp $B/nss/libnss_test2.so $L/libnss_test2.so.2