[glom] tests: Add simple test of adding tables and reading the list back.

[Murray Cumming <murrayc src gnome org>]

commit f35776f5ef66e1cd597a9f8077e490008dfab2e4
Author: Murray Cumming <murrayc murrayc com>
Date:   Wed Dec 5 10:05:40 2018 +0100

    tests: Add simple test of adding tables and reading the list back.
    
    So that when this fails, we get a more obvious clue that this is
    what failed.
    
    This seems to fail currently due to this libgda bug:
    ttps://gitlab.gnome.org/GNOME/libgda/issues/24

 Makefile_tests.am                                  |   6 ++
 tests/.gitignore                                   |   1 +
 .../test_selfhosting_new_empty_then_add_tables.cc  | 104 +++++++++++++++++++++
 3 files changed, 111 insertions(+)
---
diff --git a/Makefile_tests.am b/Makefile_tests.am
index c16ce139..be560d0c 100644
--- a/Makefile_tests.am
+++ b/Makefile_tests.am
@@ -35,6 +35,7 @@ check_PROGRAMS =                                              \
        tests/test_script_check_for_problems \
        tests/test_selfhosting_new_empty \
        tests/test_selfhosting_new_empty_change_sysprefs \
+       tests/test_selfhosting_new_empty_then_add_tables \
        tests/test_selfhosting_new_empty_then_users \
        tests/test_selfhosting_new_from_example \
        tests/test_selfhosting_new_from_example_defaultvalues \
@@ -83,6 +84,7 @@ TESTS =       tests/test_document_load        \
        tests/test_script_check_for_problems \
        tests/test_selfhosting_new_empty \
        tests/test_selfhosting_new_empty_change_sysprefs \
+       tests/test_selfhosting_new_empty_then_add_tables \
        tests/test_selfhosting_new_empty_then_users \
        tests/test_selfhosting_new_from_example \
        tests/test_selfhosting_new_from_example_defaultvalues \
@@ -289,6 +291,10 @@ tests_test_selfhosting_new_empty_change_sysprefs_SOURCES = tests/test_selfhostin
 tests_test_selfhosting_new_empty_change_sysprefs_LDADD = $(tests_ldadd)
 tests_test_selfhosting_new_empty_change_sysprefs_CPPFLAGS = $(tests_cppflags)
 
+tests_test_selfhosting_new_empty_then_add_tables_SOURCES = 
tests/test_selfhosting_new_empty_then_add_tables.cc $(sources_test_selfhosting_utils)
+tests_test_selfhosting_new_empty_then_add_tables_LDADD = $(tests_ldadd)
+tests_test_selfhosting_new_empty_then_add_tables_CPPFLAGS = $(tests_cppflags)
+
 tests_test_selfhosting_new_empty_then_users_SOURCES = tests/test_selfhosting_new_empty_then_users.cc 
$(sources_test_selfhosting_utils)
 tests_test_selfhosting_new_empty_then_users_LDADD = $(tests_ldadd)
 tests_test_selfhosting_new_empty_then_users_CPPFLAGS = $(tests_cppflags)
diff --git a/tests/.gitignore b/tests/.gitignore
index 22489bf1..d8282349 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -28,6 +28,7 @@
 /test_script_check_for_problems
 /test_selfhosting_new_empty
 /test_selfhosting_new_empty_change_sysprefs
+/test_selfhosting_new_empty_then_add_tables
 /test_selfhosting_new_empty_then_users
 /test_selfhosting_new_from_example
 /test_selfhosting_new_from_example_defaultvalues
diff --git a/tests/test_selfhosting_new_empty_then_add_tables.cc 
b/tests/test_selfhosting_new_empty_then_add_tables.cc
new file mode 100644
index 00000000..da04f649
--- /dev/null
+++ b/tests/test_selfhosting_new_empty_then_add_tables.cc
@@ -0,0 +1,104 @@
+/* Glom
+ *
+ * Copyright (C) 2010 Openismus GmbH
+ *
+ * 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 2 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, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301 USA.
+ */
+
+#include "tests/test_selfhosting_utils.h"
+#include <libglom/algorithms_utils.h>
+#include <libglom/init.h>
+#include <libglom/utils.h>
+#include <libglom/db_utils.h>
+#include <libglom/connectionpool.h>
+#include <libglom/privs.h>
+#include <glib.h> //For g_assert()
+#include <iostream>
+#include <cstdlib> //For EXIT_SUCCESS and EXIT_FAILURE
+
+template<typename T_Container, typename T_Value>
+bool contains(const T_Container& container, const T_Value& name)
+{
+  return Glom::Utils::find_exists(container, name);
+}
+
+static bool test(Glom::Document::HostingMode hosting_mode)
+{
+  //Create and self-host the document:
+  auto document = std::make_shared<Glom::Document>();
+    if(!(test_create_and_selfhost_new_database(document, hosting_mode, "test_db")))
+  {
+    std::cerr << G_STRFUNC << ": test_create_and_selfhost_new_database() failed\n";
+    return false;
+  }
+
+
+  std::vector<Glib::ustring> table_names( {
+    "sometable",
+    } );
+
+  //MySQL has a 64-character limit on SQL identifiers:
+  /*
+  if(hosting_mode != Glom::Document::HostingMode::MYSQL_SELF)
+  {
+    
table_names.emplace_back("sometablewithaverylongnameyaddayaddayaddayaddayaddyaddayaddayaddayaddayaddayaddayaddayaddayaddayaddayaddayadda");
+  }
+  */
+
+  //Add some tables, for the groups to have rights for:
+  for(const auto& table_name : table_names)
+  {
+    if(!Glom::DbUtils::create_table_with_default_fields(document, table_name))
+    {
+      std::cerr << G_STRFUNC << ": Failure: create_table_with_default_fields() failed.\n";
+      return false;
+    }
+  }
+
+
+  // Check that the tables really exist.
+  // If they don't then the newly-added groups won't have default arguments for those tables:
+  const auto tables_created = Glom::DbUtils::get_table_names_from_database(false /* plus system prefs */);
+  if(tables_created.empty())
+  {
+    std::cerr << "The added tables don't seem to exist (No tables exist).\n";
+    return false;
+  }
+
+  for(const auto& table_name : table_names)
+  {
+    if(!contains(tables_created, table_name))
+    {
+      std::cerr << "The added table doesn't seem to exist (Not in list of tables): " << table_name << "\n";
+      return false;
+    }
+  }
+
+  test_selfhosting_cleanup(false /* do not delete the file. */);
+
+  return true;
+}
+
+int main()
+{
+  Glom::libglom_init();
+
+  const auto result = test_all_hosting_modes(sigc::ptr_fun(&test));
+
+  Glom::libglom_deinit();
+
+  return result;
+}