[glib/wip/application: 3/11] GApplication test case

[Ryan Lortie <ryanl src gnome org>]

commit 9ceae07ed95997448d73e9961569b89bb9d86a03
Author: Ryan Lortie <desrt desrt ca>
Date:   Wed Oct 6 14:06:26 2010 -0400

    GApplication test case

 gio/tests/.gitignore     |    1 +
 gio/tests/Makefile.am    |    5 +-
 gio/tests/gapplication.c |  177 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 182 insertions(+), 1 deletions(-)
---
diff --git a/gio/tests/.gitignore b/gio/tests/.gitignore
index 15dc9fe..692e258 100644
--- a/gio/tests/.gitignore
+++ b/gio/tests/.gitignore
@@ -16,6 +16,7 @@ echo-server
 file
 filter-cat
 filter-streams
+gapplication
 gdbus-addresses
 gdbus-bz627724
 gdbus-connection
diff --git a/gio/tests/Makefile.am b/gio/tests/Makefile.am
index d1ff433..8776b0c 100644
--- a/gio/tests/Makefile.am
+++ b/gio/tests/Makefile.am
@@ -88,7 +88,7 @@ SAMPLE_PROGS = 				\
 
 
 if OS_UNIX
-TEST_PROGS += live-g-file desktop-app-info unix-fd unix-streams
+TEST_PROGS += live-g-file desktop-app-info unix-fd unix-streams gapplication
 SAMPLE_PROGS +=	gdbus-example-unix-fd-client
 endif
 
@@ -300,6 +300,9 @@ contenttype_LDADD   = $(progs_ldadd)
 file_SOURCES = file.c
 file_LDADD   = $(progs_ldadd)
 
+gapplication_SOURCES = gapplication.c gdbus-sessionbus.c
+gapplication_LDADD = $(progs_ldadd)
+
 schema_tests = \
 	schema-tests/array-default-not-in-choices.gschema.xml		\
 	schema-tests/bad-choice.gschema.xml				\
diff --git a/gio/tests/gapplication.c b/gio/tests/gapplication.c
new file mode 100644
index 0000000..e9c851a
--- /dev/null
+++ b/gio/tests/gapplication.c
@@ -0,0 +1,177 @@
+#include <gio/gio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "gdbus-sessionbus.h"
+
+static void
+activate (GApplication *application)
+{
+  g_application_hold (application);
+  g_print ("activated\n");
+  g_application_release (application);
+}
+
+static void
+open (GApplication  *application,
+      GFile        **files,
+      gint           n_files,
+      const gchar   *hint)
+{
+  gint i;
+
+  g_print ("open");
+
+  for (i = 0; i < n_files; i++)
+    {
+      gchar *uri = g_file_get_uri (files[i]);
+      g_print (" %s", uri);
+      g_free (uri);
+    }
+
+  g_print ("\n");
+}
+
+static int
+app_main (int argc, char **argv)
+{
+  GApplication *app;
+  int status;
+
+  app = g_application_new ("org.gtk.TestApplication",
+                           G_APPLICATION_FLAGS_HANDLES_OPEN);
+  g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
+  g_signal_connect (app, "open", G_CALLBACK (open), NULL);
+  g_application_set_inactivity_timeout (app, 1000);
+  status = g_application_run (app, argc, argv);
+  g_object_unref (app);
+
+  return status;
+}
+
+static gint outstanding_watches;
+static GMainLoop *main_loop;
+
+typedef struct
+{
+  const gchar *expected_stdout;
+  gint stdout_pipe;
+} ChildData;
+
+static void
+child_quit (GPid     pid,
+            gint     status,
+            gpointer data)
+{
+  ChildData *child = data;
+  gssize expected, actual;
+  gchar *buffer;
+
+  g_assert_cmpint (status, ==, 0);
+
+  if (--outstanding_watches == 0)
+    g_main_loop_quit (main_loop);
+
+  expected = strlen (child->expected_stdout);
+  buffer = g_alloca (expected + 100);
+  actual = read (child->stdout_pipe, buffer, expected + 100);
+  close (child->stdout_pipe);
+
+  g_assert_cmpint (actual, >=, 0);
+
+  if (actual != expected ||
+      memcmp (buffer, child->expected_stdout, expected) != 0)
+    {
+      buffer[MIN(expected + 100, actual)] = '\0';
+
+      g_error ("\nExpected\n-----\n%s-----\nGot (%s)\n-----\n%s-----\n",
+               child->expected_stdout,
+               (actual > expected) ? "truncated" : "full", buffer);
+    }
+
+  g_slice_free (ChildData, child);
+}
+
+static void
+spawn (const gchar *expected_stdout,
+       const gchar *first_arg,
+       ...)
+{
+  gint pipefd[2];
+  GPid pid;
+
+  /* We assume that the child will not produce enough stdout
+   * to deadlock by filling the pipe.
+   */
+  pipe (pipefd);
+  pid = fork ();
+
+  if (pid == 0)
+    {
+      const gchar *arg;
+      GPtrArray *array;
+      gchar **args;
+      int status;
+      va_list ap;
+
+      dup2 (pipefd[1], 1);
+      close (pipefd[0]);
+      close (pipefd[1]);
+
+      va_start (ap, first_arg);
+      array = g_ptr_array_new ();
+      g_ptr_array_add (array, g_strdup ("./app"));
+      for (arg = first_arg; arg; arg = va_arg (ap, const gchar *))
+        g_ptr_array_add (array, g_strdup (arg));
+      g_ptr_array_add (array, NULL);
+      args = (gchar **) g_ptr_array_free (array, FALSE);
+
+      status = app_main (g_strv_length (args), args);
+      g_strfreev (args);
+
+      g_print ("exit status: %d\n", status);
+      exit (0);
+    }
+  else
+    {
+      ChildData *data;
+
+      data = g_slice_new (ChildData);
+      data->expected_stdout = expected_stdout;
+      data->stdout_pipe = pipefd[0];
+      close (pipefd[1]);
+
+      g_child_watch_add (pid, child_quit, data);
+      outstanding_watches++;
+    }
+}
+
+static void
+basic (void)
+{
+  session_bus_up ();
+
+  main_loop = g_main_loop_new (NULL, 0);
+
+  /* spawn the master */
+  spawn ("activated\nopen file:///a file:///b\nexit status: 0\n", NULL);
+
+  /* make sure it becomes the master */
+  g_usleep (100000);
+
+  /* send it some files */
+  spawn ("exit status: 0\n", "/a", "/b", NULL);
+
+  g_main_loop_run (main_loop);
+
+  session_bus_down ();
+}
+
+int
+main (int argc, char **argv)
+{
+  g_test_init (&argc, &argv, NULL);
+
+  g_test_add_func ("/gapplication/basic", basic);
+
+  return g_test_run ();
+}