[dconf/wip/peruserprofile: 3/3] pam: Add test suite for the pam module

[Alberto Ruiz <aruiz src gnome org>]

commit 4585788da931031f0a50f1ec26a0db7b239705ca
Author: Alberto Ruiz <aruiz redhat com>
Date:   Fri Oct 9 13:11:53 2015 +0100

    pam: Add test suite for the pam module

 pam/Makefile.am                                    |    5 +
 tests/Makefile.am                                  |   14 ++++
 tests/pam-mock.c                                   |   56 +++++++++++++
 tests/pam-mock.h                                   |   47 +++++++++++
 tests/pam.c                                        |   83 ++++++++++++++++++++
 5 files changed, 205 insertions(+), 0 deletions(-)
---
diff --git a/pam/Makefile.am b/pam/Makefile.am
index 01d2097..6a64b05 100644
--- a/pam/Makefile.am
+++ b/pam/Makefile.am
@@ -1,7 +1,12 @@
 pamlibdir = $(PAM_DEST_DIR)
 pamlib_PROGRAMS = pam_dconf.so
 
+noinst_LIBRARIES = pam_dconf.a
+
 pam_dconf_so_SOURCES = \
        pam_dconf.c \
        pam_dconf.h
 pam_dconf_so_CFLAGS = -fPIC -DPIC -shared -Wall
+
+pam_dconf_a_CFLAGS = -Wall
+pam_dconf_a_SOURCES = $(pam_dconf_so_SOURCES)
diff --git a/tests/Makefile.am b/tests/Makefile.am
index adc8519..ec09941 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -102,3 +102,17 @@ client_LDADD = \
        libdconf-mock.a                         \
        $(gio_LIBS)
 client_SOURCES = client.c
+
+PAM_TEST_USERNAME = pamdconftest
+TEST_PROGS += pam
+pam_CFLAGS = $(glib_CFLAGS) $(gio_CFLAGS) -DSRCDIR=\"$(abs_srcdir)\" -DUSERNAME=\"$(PAM_TEST_USERNAME)\"
+pam_SOURCES = \
+       pam.c \
+       pam-mock.c \
+       pam-mock.h
+pam_LDADD = \
+       ../pam/pam_dconf.a \
+       $(glib_LIBS) \
+       $(gio_LIBS)
+EXTRA_DIST += \
+             pamprofile/dconf/profile/$(PAM_TEST_USERNAME).profile
diff --git a/tests/pam-mock.c b/tests/pam-mock.c
new file mode 100644
index 0000000..343f75d
--- /dev/null
+++ b/tests/pam-mock.c
@@ -0,0 +1,56 @@
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include "pam-mock.h"
+
+static char *xdg_data_dirs = 0;
+static char *xdg_runtime_dir = 0;
+
+void
+pam_syslog (pam_handle_t *pamh,
+            int           priority,
+            const char   *fmt,
+            ...)
+{
+  /* We keep this around in case we do want to output the logging info */
+  va_list vl;
+  va_start (vl, fmt);
+  vprintf (fmt, vl);
+  va_end (vl);
+  printf("\n");
+  return;
+}
+
+int
+pam_get_user (pam_handle_t  *pamh,
+              const char   **user,
+              const char    *prompt)
+{
+  *user = USERNAME;
+  return PAM_SUCCESS;
+}
+
+const char*
+pam_getenv (pam_handle_t *pamh,
+            const char   *name)
+{
+  if (strcmp (name, "XDG_DATA_DIRS") == 0)
+    return xdg_data_dirs;
+
+  if (strcmp (name, "XDG_RUNTIME_DIR") == 0)
+    return xdg_runtime_dir;
+
+  return NULL;
+}
+
+void
+pam_mock_set_xdg_data_dirs (char * data_dirs)
+{
+  xdg_data_dirs = data_dirs;
+}
+
+void
+pam_mock_set_xdg_runtime_dir (char * runtime_dir)
+{
+  xdg_runtime_dir = runtime_dir;
+}
diff --git a/tests/pam-mock.h b/tests/pam-mock.h
new file mode 100644
index 0000000..67dfe3c
--- /dev/null
+++ b/tests/pam-mock.h
@@ -0,0 +1,47 @@
+#include <stdarg.h>
+#include <stdio.h>
+
+typedef int pam_handle_t;
+
+#define LOG_ERR 0
+#define LOG_NOTICE 0
+#define LOG_DEBUG 0
+#define PAM_SUCCESS 0
+
+#define PAM_EXTERN
+
+PAM_EXTERN int
+pam_sm_open_session (pam_handle_t  *pamh,
+                     int            flags,
+                     int            argc,
+                     const char   **argv);
+
+
+PAM_EXTERN int
+pam_sm_close_session (pam_handle_t  *pamh,
+                      int            flags,
+                      int            argc,
+                      const char   **argv);
+
+
+void
+pam_syslog (pam_handle_t *pamh,
+            int           priority,
+            const char   *fmt,
+            ...);
+
+int
+pam_get_user (pam_handle_t  *pamh,
+              const char   **user,
+              const char    *prompt);
+const char*
+pam_getenv (pam_handle_t *pamh,
+            const char   *name);
+void
+pam_mock_set_xdg_data_dirs (char * data_dirs);
+
+void
+pam_mock_set_xdg_runtime_dir (char * runtime_dir);
+
+void
+pam_mock_set_user (char * user);
diff --git a/tests/pam.c b/tests/pam.c
new file mode 100644
index 0000000..0148477
--- /dev/null
+++ b/tests/pam.c
@@ -0,0 +1,83 @@
+#include <pam-mock.h>
+#include <glib.h>
+#include <gio/gio.h>
+#include <glib/gstdio.h>
+
+static gchar *
+setup_profile (void)
+{
+  gchar *tmpdir;
+
+  tmpdir = g_dir_make_tmp ("pam_dconf_test.XXXXXX", NULL);
+
+  if (tmpdir == NULL)
+    return NULL;
+
+  pam_mock_set_xdg_data_dirs (SRCDIR "/pamprofile");
+  pam_mock_set_xdg_runtime_dir (tmpdir);
+
+  return tmpdir;
+}
+
+static void
+teardown_profile (gchar *tmpdir)
+{
+  gchar *profile_link;
+
+  profile_link = g_strconcat (tmpdir, "/dconf.profile", NULL);
+
+  g_remove (profile_link);
+  g_remove (tmpdir);
+
+  pam_mock_set_xdg_runtime_dir (NULL);
+  pam_mock_set_xdg_data_dirs (NULL);
+
+  g_free (profile_link);
+}
+
+static void
+test_open_session (void)
+{
+  gchar     *tmpdir;
+  gchar     *profile_link;
+  GFile     *link;
+  GFileInfo *info;
+
+  tmpdir = setup_profile ();
+  g_assert (tmpdir != NULL);
+
+  pam_sm_open_session (NULL, 0, 0, NULL);
+
+  profile_link = g_strconcat (tmpdir, "/dconf.profile", NULL);
+  link = g_file_new_for_path (profile_link);
+
+  /* Check if file object was created and exists */
+  g_assert (link != NULL);
+  g_assert (g_file_query_exists (link, NULL));
+
+  info = g_file_query_info (link,
+                            "standard::*",
+                            G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
+                            NULL, NULL);
+  /* Check if symlink exists and points to the right place */
+  g_assert (info != NULL);
+  g_assert (g_file_info_get_is_symlink (info));
+  g_assert (g_strcmp0 (g_file_info_get_symlink_target (info),
+                       SRCDIR "/pamprofile/dconf/profile/" USERNAME ".profile") == 0);
+
+  teardown_profile (tmpdir);
+  g_object_unref (info);
+  g_object_unref (link);
+  g_free (tmpdir);
+  g_free (profile_link);
+}
+
+int
+main (int argc, char** argv)
+{
+  g_test_init (&argc, &argv, NULL);
+
+  g_test_add_func ("/pam/open_session", test_open_session);
+
+  return g_test_run ();
+}
diff --git a/tests/pamprofile/dconf/profile/pamdconftest.profile 
b/tests/pamprofile/dconf/profile/pamdconftest.profile
new file mode 100644
index 0000000..e69de29