Add tests for ibus-gconf.

client/deps/ibusclient/src/ibusclient.cc

Index: client/deps/ibusclient/src/ibusclient.cc
diff --git a/client/deps/ibusclient/src/ibusclient.cc b/client/deps/ibusclient/src/ibusclient.cc
index aee7f0a25f4274afd9642f3ed1aa9d926e3ae588..6c14069fae1c441856cd329a50d50eaf81780905 100644
--- a/client/deps/ibusclient/src/ibusclient.cc
+++ b/client/deps/ibusclient/src/ibusclient.cc
@@ -8,6 +8,102 @@
 #include <stdio.h>
 #include <string>
 
+namespace {
+
+const gchar kDummySection[] = "aaa/bbb";
+const gchar kDummyConfigName[] = "ccc";
+
+const gboolean kDummyValueBoolean = TRUE;
+const gint kDummyValueInt = 12345;
+const gdouble kDummyValueDouble = 12345.54321;
+const gchar kDummyValueString[] = "dummy value";
+
+// Unsets a dummy value from ibus config service.
+void UnsetConfigAndPrintResult(IBusConfig* ibus_config) {
+  if (ibus_config_unset(ibus_config, kDummySection, kDummyConfigName)) {
+    printf("OK\n");
+  } else {
+    printf("FAIL\n");
+  }
+}
+
+// Sets a dummy value to ibus config service. You can specify a type of the
+// dummy value by |type_string|. "boolean", "int", "double", or "string" are
+// allowed.
+void SetConfigAndPrintResult(
+    IBusConfig* ibus_config, const std::string& type_string) {
+  GValue gvalue = {0};
+
+  if (type_string == "boolean") {
+    g_value_init(&gvalue, G_TYPE_BOOLEAN);
+    g_value_set_boolean(&gvalue, kDummyValueBoolean);
+  } else if (type_string == "int") {
+    g_value_init(&gvalue, G_TYPE_INT);
+    g_value_set_int(&gvalue, kDummyValueInt);
+  } else if (type_string == "double") {
+    g_value_init(&gvalue, G_TYPE_DOUBLE);
+    g_value_set_double(&gvalue, kDummyValueDouble);
+  } else if (type_string == "string") {
+    g_value_init(&gvalue, G_TYPE_STRING);
+    g_value_set_string(&gvalue, kDummyValueString);
+  } else {
+    printf("FAIL (unknown type: %s)\n", type_string.c_str());
+    return;
+  }
+
+  if (ibus_config_set_value(
+          ibus_config, kDummySection, kDummyConfigName, &gvalue)) {
+    printf("OK\n");
+  } else {
+    printf("FAIL\n");
+  }
+}
+
+// Gets a dummy value from ibus config service. This function checks if the
+// dummy value is |type_string| type.
+void GetConfigAndPrintResult(
+    IBusConfig* ibus_config, const std::string& type_string) {
+  GValue gvalue = {0};
+  if (!ibus_config_get_value(
+          ibus_config, kDummySection, kDummyConfigName, &gvalue)) {
+    printf("FAIL (not found)\n");
+    return;
+  }
+
+  if (type_string == "boolean") {
+    if ((G_VALUE_TYPE(&gvalue) != G_TYPE_BOOLEAN) ||
+        (g_value_get_boolean(&gvalue) != kDummyValueBoolean)) {
+      printf("FAIL (type/value mismatch)\n");
+      return;
+    }
+  } else if (type_string == "int") {
+    if ((G_VALUE_TYPE(&gvalue) != G_TYPE_INT) ||
+        (g_value_get_int(&gvalue) != kDummyValueInt)) {
+      printf("FAIL (type/value mismatch)\n");
+      return;
+    }
+  } else if (type_string == "double") {
+    if ((G_VALUE_TYPE(&gvalue) != G_TYPE_DOUBLE) ||
+        // We allow errors for double values.
+        (g_value_get_double(&gvalue) < kDummyValueDouble - 0.001) ||
+        (g_value_get_double(&gvalue) > kDummyValueDouble + 0.001)) {
+      printf("FAIL (type/value mismatch)\n");
+      return;
+    }
+  } else if (type_string == "string") {
+    if ((G_VALUE_TYPE(&gvalue) != G_TYPE_STRING) ||
+        (g_value_get_string(&gvalue) != std::string(kDummyValueString))) {
+      printf("FAIL (type/value mismatch)\n");
+      return;
+    }
+  } else {
+    printf("FAIL (unknown type: %s)\n", type_string.c_str());
+    return;
+  }
+
+  printf("OK\n");
+}
+
 // Prints the names of the given engines. Takes the ownership of |engines|.
 void PrintEngineNames(GList* engines) {
   for (GList* cursor = engines; cursor; cursor = g_list_next(cursor)) {
@@ -19,12 +115,27 @@ void PrintEngineNames(GList* engines) {
   g_list_free(engines);
 }
 
+void PrintUsage(const char* argv0) {
+  printf("Usage: %s COMMAND\n", argv0);
+  printf("check_reachable      Check if ibus-daemon is reachable\n");
+  printf("list_engines         List engine names (all engines)\n");
+  printf("list_active_engines  List active engine names\n");
+  // TODO(yusukes): Add tests for array of {bool, int, double, string}.
+  // TODO(yusukes): Add 2 parameters, config_key and config_value, to
+  // set_config and get_config commands.
+  printf("set_config (boolean|int|double|string)\n"
+         "                     Set a dummy value to ibus config service\n");
+  printf("get_config (boolean|int|double|string)\n"
+         "                     Get a dummy value from ibus config service\n");
+  // TODO(yusukes): Add config_key parameter.
+  printf("unset_config         Unset a dummy value from ibus config service\n");
+}
+
+}  // namespace
+
 int main(int argc, char **argv) {
   if (argc == 1) {
-    printf("Usage: %s COMMAND\n", argv[0]);
-    printf("check_reachable      Check if ibus-daemon is reachable\n");
-    printf("list_engines         List engine names (all engines)\n");
-    printf("list_active_engines  List active engine names\n");
+    PrintUsage(argv[0]);
     return 1;
   }
 
@@ -38,15 +149,35 @@ int main(int argc, char **argv) {
   const std::string command = argv[1];
   if (command == "check_reachable") {
     printf("%s\n", connected ? "YES" : "NO");
+    return 0;
   }
 
   // Other commands need the bus to be connected.
   assert(ibus);
   assert(connected);
+  IBusConnection* ibus_connection = ibus_bus_get_connection(ibus);
+  assert(ibus_connection);
+  IBusConfig* ibus_config = ibus_config_new(ibus_connection);
+  assert(ibus_config);
+
   if (command == "list_engines") {
     PrintEngineNames(ibus_bus_list_engines(ibus));
   } else if (command == "list_active_engines") {
     PrintEngineNames(ibus_bus_list_active_engines(ibus));
+  } else if (command == "set_config") {
+    if (argc != 3) {
+      PrintUsage(argv[0]);
+      return 1;
+    }
+    SetConfigAndPrintResult(ibus_config, argv[2]);
+  } else if (command == "get_config") {
+    if (argc != 3) {
+      PrintUsage(argv[0]);
+      return 1;
+    }
+    GetConfigAndPrintResult(ibus_config, argv[2]);
+  } else if (command == "unset_config") {
+    UnsetConfigAndPrintResult(ibus_config);
   }
 
   return 0;