From 9d501b05b47a63e29c586c6dd3d40ac615a98886 Mon Sep 17 00:00:00 2001
From: Jakub Hrozek <jhrozek@redhat.com>
Date: Mon, 1 Dec 2014 12:04:25 +0100
Subject: [PATCH 126/128] TESTS: Basic child tests
The child_common.c module had no unit tests, yet we need to amend it.
Reviewed-by: Sumit Bose <sbose@redhat.com>
---
Makefile.am | 25 ++++++
src/tests/cmocka/test_child.c | 83 +++++++++++++++++++
src/tests/cmocka/test_child_common.c | 150 +++++++++++++++++++++++++++++++++++
3 files changed, 258 insertions(+)
create mode 100644 src/tests/cmocka/test_child.c
create mode 100644 src/tests/cmocka/test_child_common.c
diff --git a/Makefile.am b/Makefile.am
index 6f6db56f5d6229b530cc6f18f66c42f22140bdeb..b719c646721835096931819b10be6f1a766ef22e 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -216,6 +216,7 @@ if HAVE_CMOCKA
test_sysdb_views \
test_copy_ccache \
test_copy_keytab \
+ test_child_common \
$(NULL)
if BUILD_IFP
@@ -233,6 +234,7 @@ endif # HAVE_CMOCKA
check_PROGRAMS = \
stress-tests \
krb5-child-test \
+ test-child \
$(non_interactive_cmocka_based_tests) \
$(non_interactive_check_based_tests)
@@ -2115,6 +2117,29 @@ test_copy_keytab_LDADD = \
libsss_test_common.la \
$(NULL)
+test_child_SOURCES = \
+ src/tests/cmocka/test_child.c \
+ $(NULL)
+test_child_LDADD = \
+ $(POPT_LIBS) \
+ $(SSSD_INTERNAL_LTLIBS) \
+ $(NULL)
+
+test_child_common_SOURCES = \
+ src/tests/cmocka/test_child_common.c \
+ $(NULL)
+test_child_common_CFLAGS = \
+ $(AM_CFLAGS) \
+ -DCHILD_DIR=\"$(builddir)\" \
+ $(NULL)
+test_child_common_LDADD = \
+ $(CMOCKA_LIBS) \
+ $(POPT_LIBS) \
+ $(TALLOC_LIBS) \
+ $(SSSD_INTERNAL_LTLIBS) \
+ libsss_test_common.la \
+ $(NULL)
+
endif # HAVE_CMOCKA
noinst_PROGRAMS = pam_test_client
diff --git a/src/tests/cmocka/test_child.c b/src/tests/cmocka/test_child.c
new file mode 100644
index 0000000000000000000000000000000000000000..a857afce1fe7c4f3949fe77fe4e0a24e15961a4f
--- /dev/null
+++ b/src/tests/cmocka/test_child.c
@@ -0,0 +1,83 @@
+/*
+ SSSD
+
+ Tests -- a simple test process that echoes input back
+
+ Authors:
+ Jakub Hrozek <jhrozek@redhat.com>
+
+ Copyright (C) 2014 Red Hat
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <popt.h>
+
+#include "util/util.h"
+#include "util/child_common.h"
+
+int main(int argc, const char *argv[])
+{
+ int opt;
+ int debug_fd = -1;
+ poptContext pc;
+ const char *action;
+ ssize_t len = 0;
+ ssize_t written;
+ errno_t ret;
+ uint8_t *buf[IN_BUF_SIZE];
+ uid_t uid;
+ gid_t gid;
+
+ struct poptOption long_options[] = {
+ POPT_AUTOHELP
+ {"debug-level", 'd', POPT_ARG_INT, &debug_level, 0,
+ _("Debug level"), NULL},
+ {"debug-timestamps", 0, POPT_ARG_INT, &debug_timestamps, 0,
+ _("Add debug timestamps"), NULL},
+ {"debug-microseconds", 0, POPT_ARG_INT, &debug_microseconds, 0,
+ _("Show timestamps with microseconds"), NULL},
+ {"debug-fd", 0, POPT_ARG_INT, &debug_fd, 0,
+ _("An open file descriptor for the debug logs"), NULL},
+ {"debug-to-stderr", 0, POPT_ARG_NONE | POPT_ARGFLAG_DOC_HIDDEN, &debug_to_stderr, 0, \
+ _("Send the debug output to stderr directly."), NULL }, \
+ SSSD_SERVER_OPTS(uid, gid)
+ POPT_TABLEEND
+ };
+
+ /* Set debug level to invalid value so we can decide if -d 0 was used. */
+ debug_level = SSSDBG_INVALID;
+
+ pc = poptGetContext(argv[0], argc, argv, long_options, 0);
+ while((opt = poptGetNextOpt(pc)) != -1) {
+ switch(opt) {
+ default:
+ fprintf(stderr, "\nInvalid option %s: %s\n\n",
+ poptBadOption(pc, 0), poptStrerror(opt));
+ poptPrintUsage(pc, stderr, 0);
+ _exit(1);
+ }
+ }
+
+ DEBUG(SSSDBG_TRACE_FUNC, "test_child completed successfully\n");
+ _exit(0);
+
+fail:
+ DEBUG(SSSDBG_TRACE_FUNC, "test_child completed successfully\n");
+ close(STDOUT_FILENO);
+ _exit(-1);
+}
diff --git a/src/tests/cmocka/test_child_common.c b/src/tests/cmocka/test_child_common.c
new file mode 100644
index 0000000000000000000000000000000000000000..f2cd8c0081c2e85432db1c9696102780dc990e75
--- /dev/null
+++ b/src/tests/cmocka/test_child_common.c
@@ -0,0 +1,150 @@
+/*
+ Authors:
+ Jakub Hrozek <jhrozek@redhat.com>
+
+ Copyright (C) 2014 Red Hat
+
+ SSSD tests: Child handlers
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <talloc.h>
+#include <tevent.h>
+#include <errno.h>
+#include <popt.h>
+
+#include "util/child_common.h"
+#include "tests/cmocka/common_mock.h"
+
+#define TEST_BIN "test-child"
+#define ECHO_STR "Hello child"
+
+struct child_test_ctx {
+ int pipefd_to_child[2];
+ int pipefd_from_child[2];
+
+ struct sss_test_ctx *test_ctx;
+};
+
+void child_test_setup(void **state)
+{
+ struct child_test_ctx *child_tctx;
+ errno_t ret;
+
+ check_leaks_push(global_talloc_context);
+ child_tctx = talloc(global_talloc_context, struct child_test_ctx);
+ assert_non_null(child_tctx);
+
+ child_tctx->test_ctx = create_ev_test_ctx(child_tctx);
+ assert_non_null(child_tctx->test_ctx);
+
+ ret = pipe(child_tctx->pipefd_from_child);
+ assert_int_not_equal(ret, -1);
+ DEBUG(SSSDBG_TRACE_LIBS, "from_child: %d:%d\n",
+ child_tctx->pipefd_from_child[0],
+ child_tctx->pipefd_from_child[1]);
+
+ ret = pipe(child_tctx->pipefd_to_child);
+ assert_int_not_equal(ret, -1);
+ DEBUG(SSSDBG_TRACE_LIBS, "to_child: %d:%d\n",
+ child_tctx->pipefd_to_child[0],
+ child_tctx->pipefd_to_child[1]);
+
+ *state = child_tctx;
+}
+
+void child_test_teardown(void **state)
+{
+ struct child_test_ctx *child_tctx = talloc_get_type(*state,
+ struct child_test_ctx);
+
+ talloc_free(child_tctx);
+ check_leaks_pop(global_talloc_context);
+}
+
+/* Just make sure the exec works. The child does nothing but exits */
+void test_exec_child(void **state)
+{
+ errno_t ret;
+ pid_t child_pid;
+ int status;
+ struct child_test_ctx *child_tctx = talloc_get_type(*state,
+ struct child_test_ctx);
+
+ child_pid = fork();
+ assert_int_not_equal(child_pid, -1);
+ if (child_pid == 0) {
+ ret = exec_child(child_tctx,
+ child_tctx->pipefd_to_child,
+ child_tctx->pipefd_from_child,
+ CHILD_DIR"/"TEST_BIN, 2);
+ assert_int_equal(ret, EOK);
+ } else {
+ do {
+ errno = 0;
+ ret = waitpid(child_pid, &status, 0);
+ } while (ret == -1 && errno == EINTR);
+
+ if (ret > 0) {
+ ret = EIO;
+ if (WIFEXITED(status)) {
+ ret = WEXITSTATUS(status);
+ assert_int_equal(ret, 0);
+ }
+ } else {
+ DEBUG(SSSDBG_FUNC_DATA,
+ "Failed to wait for children %d\n", child_pid);
+ ret = EIO;
+ }
+ }
+}
+
+int main(int argc, const char *argv[])
+{
+ int rv;
+ poptContext pc;
+ int opt;
+ struct poptOption long_options[] = {
+ POPT_AUTOHELP
+ SSSD_DEBUG_OPTS
+ POPT_TABLEEND
+ };
+
+ const UnitTest tests[] = {
+ unit_test_setup_teardown(test_exec_child,
+ child_test_setup,
+ child_test_teardown),
+ };
+
+ /* Set debug level to invalid value so we can deside if -d 0 was used. */
+ debug_level = SSSDBG_INVALID;
+
+ pc = poptGetContext(argv[0], argc, argv, long_options, 0);
+ while((opt = poptGetNextOpt(pc)) != -1) {
+ switch(opt) {
+ default:
+ fprintf(stderr, "\nInvalid option %s: %s\n\n",
+ poptBadOption(pc, 0), poptStrerror(opt));
+ poptPrintUsage(pc, stderr, 0);
+ return 1;
+ }
+ }
+ poptFreeContext(pc);
+
+ DEBUG_CLI_INIT(debug_level);
+
+ rv = run_tests(tests);
+ return rv;
+}
--
1.9.3