Add a ChannelOptions table in the DB

And a way to retrieve its values, defaulting on the ServerOptions for unset
values.

tests/database.cpp

@@ -9,20 +9,82 @@ TEST_CASE("Database")
 #ifdef USE_DATABASE
   Config::set("db_name", ":memory:");
   Database::set_verbose(false);
-  auto o = Database::get_irc_server_options("zouzou@example.com", "irc.example.com");
-  o.update();
-  auto a = Database::get_irc_server_options("zouzou@example.com", "irc.example.com");
-  auto b = Database::get_irc_server_options("moumou@example.com", "irc.example.com");
 
-  // b does not yet exist in the db, the object is created but not yet
-  // inserted
-  CHECK(1 == Database::count<db::IrcServerOptions>());
+  SECTION("Basic retrieve and update")
+    {
+      auto o = Database::get_irc_server_options("zouzou@example.com", "irc.example.com");
+      o.update();
+      auto a = Database::get_irc_server_options("zouzou@example.com", "irc.example.com");
+      auto b = Database::get_irc_server_options("moumou@example.com", "irc.example.com");
 
-  b.update();
-  CHECK(2 == Database::count<db::IrcServerOptions>());
+      // b does not yet exist in the db, the object is created but not yet
+      // inserted
+      CHECK(1 == Database::count<db::IrcServerOptions>());
 
-  CHECK(b.pass == "");
-  CHECK(b.pass.value() == "");
+      b.update();
+      CHECK(2 == Database::count<db::IrcServerOptions>());
+
+      CHECK(b.pass == "");
+      CHECK(b.pass.value() == "");
+    }
+
+  SECTION("channel options")
+    {
+      Config::set("db_name", ":memory:");
+      auto o = Database::get_irc_channel_options("zouzou@example.com", "irc.example.com", "#foo");
+
+      CHECK(o.encodingIn == "");
+      o.encodingIn = "ISO-8859-1";
+      o.update();
+      auto b = Database::get_irc_channel_options("zouzou@example.com", "irc.example.com", "#foo");
+      CHECK(o.encodingIn == "ISO-8859-1");
+    }
+
+  SECTION("Channel options with server default")
+    {
+      const std::string owner{"zouzou@example.com"};
+      const std::string server{"irc.example.com"};
+      const std::string chan1{"#foo"};
+
+      auto c = Database::get_irc_channel_options(owner, server, chan1);
+      auto s = Database::get_irc_server_options(owner, server);
+
+      GIVEN("An option defined for the channel but not the server")
+      {
+        c.encodingIn = "channelEncoding";
+        c.update();
+        WHEN("we fetch that option")
+          {
+            auto r = Database::get_irc_channel_options_with_server_default(owner, server, chan1);
+            THEN("we get the channel option")
+              CHECK(r.encodingIn == "channelEncoding");
+          }
+      }
+      GIVEN("An option defined for the server but not the channel")
+        {
+          s.encodingIn = "serverEncoding";
+          s.update();
+        WHEN("we fetch that option")
+          {
+            auto r = Database::get_irc_channel_options_with_server_default(owner, server, chan1);
+            THEN("we get the server option")
+              CHECK(r.encodingIn == "serverEncoding");
+          }
+        }
+      GIVEN("An option defined for both the server and the channel")
+        {
+          s.encodingIn = "serverEncoding";
+          s.update();
+          c.encodingIn = "channelEncoding";
+          c.update();
+        WHEN("we fetch that option")
+          {
+            auto r = Database::get_irc_channel_options_with_server_default(owner, server, chan1);
+            THEN("we get the channel option")
+              CHECK(r.encodingIn == "channelEncoding");
+          }
+        }
+    }
 
   Database::close();
 #endif