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