From 6cd8b9f561b912f264ba4f723845935c40a3cb95 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 21 Jun 2013 10:39:59 +0200
Subject: Add support for running tests in dynamic multi-database mode

Only possible in the development build system at this stage.
---
 common/threads/driver.cxx | 18 ++++++++++++------
 common/threads/makefile   | 29 +++++++++++++----------------
 2 files changed, 25 insertions(+), 22 deletions(-)

(limited to 'common/threads')

diff --git a/common/threads/driver.cxx b/common/threads/driver.cxx
index 0714d4a..3114072 100644
--- a/common/threads/driver.cxx
+++ b/common/threads/driver.cxx
@@ -17,10 +17,10 @@
 #include <odb/details/shared-ptr.hxx>
 #include <odb/details/thread.hxx>
 
-#include <common/config.hxx> // DATABASE_SQLITE
+#include <common/config.hxx> // DATABASE_*
 #include <common/common.hxx>
 
-#ifdef DATABASE_SQLITE
+#if defined(DATABASE_SQLITE) || defined(DATABASE_COMMON)
 #  include <odb/sqlite/database.hxx>
 #endif
 
@@ -70,7 +70,7 @@ struct task
         {
           try
           {
-#ifndef DATABASE_SQLITE
+#if !defined(DATABASE_SQLITE) && !defined(DATABASE_COMMON)
             transaction t (db_.begin ());
 #else
             // SQLite has a peculiar table locking mode (shared cache)
@@ -79,10 +79,16 @@ struct task
             // perspective. One way to work around this problem is to
             // start a "write" transaction as such right away.
             //
-            transaction t (
-              static_cast<odb::sqlite::database&> (db_).begin_immediate ());
-#endif
+            transaction t;
 
+            if (db_.id () != odb::id_sqlite)
+              t.reset (db_.begin ());
+            else
+            {
+              t.reset (
+                static_cast<odb::sqlite::database&> (db_).begin_immediate ());
+            }
+#endif
             auto_ptr<object> o (db_.load<object> (id));
             assert (o->str_ == "first object");
             o->str_ = "another value";
diff --git a/common/threads/makefile b/common/threads/makefile
index 91adc8d..92d00d7 100644
--- a/common/threads/makefile
+++ b/common/threads/makefile
@@ -6,17 +6,14 @@ include $(dir $(lastword $(MAKEFILE_LIST)))../../build/bootstrap.make
 
 cxx_tun := driver.cxx
 odb_hdr := test.hxx
-cxx_obj := $(addprefix $(out_base)/,$(cxx_tun:.cxx=.o) $(odb_hdr:.hxx=-odb.o))
+genf    := $(call odb-gen,$(odb_hdr))
+gen     := $(addprefix $(out_base)/,$(genf))
+cxx_obj := $(addprefix $(out_base)/,$(cxx_tun:.cxx=.o)) $(filter %.o,$(gen:.cxx=.o))
 cxx_od  := $(cxx_obj:.o=.o.d)
 
 common.l             := $(out_root)/libcommon/common/common.l
 common.l.cpp-options := $(out_root)/libcommon/common/common.l.cpp-options
 
-driver  := $(out_base)/driver
-dist    := $(out_base)/.dist
-test    := $(out_base)/.test
-clean   := $(out_base)/.clean
-
 # Import.
 #
 $(call import,\
@@ -29,9 +26,6 @@ $(driver): $(cxx_obj) $(common.l)
 $(cxx_obj) $(cxx_od): cpp_options := -I$(out_base) -I$(src_base)
 $(cxx_obj) $(cxx_od): $(common.l.cpp-options)
 
-genf := $(addprefix $(odb_hdr:.hxx=-odb),.hxx .ixx .cxx) $(odb_hdr:.hxx=.sql)
-gen  := $(addprefix $(out_base)/,$(genf))
-
 $(gen): $(odb)
 $(gen): odb := $(odb)
 $(gen) $(dist): export odb_options += --generate-schema --generate-query \
@@ -39,7 +33,11 @@ $(gen) $(dist): export odb_options += --generate-schema --generate-query \
 $(gen): cpp_options := -I$(src_base)
 $(gen): $(common.l.cpp-options)
 
+ifneq ($(db_id),common)
 $(gen): odb_options += --database $(db_id)
+else
+$(gen): odb_options += --multi-database dynamic
+endif
 
 $(call include-dep,$(cxx_od),$(cxx_obj),$(gen))
 
@@ -66,12 +64,11 @@ $(dist):
 
 # Test.
 #
-$(test): $(driver) $(src_base)/test.std
-	$(call schema)
-	$(call message,test $<,$< --options-file $(dcf_root)/$(db_id).options \
->$(out_base)/test.out)
-	$(call message,,diff -u $(src_base)/test.std $(out_base)/test.out)
-	$(call message,,rm -f $(out_base)/test.out)
+ifneq ($(db_id),common)
+$(eval $(call test-rule))
+else
+$(foreach d,$(databases),$(eval $(call test-rule,$d)))
+endif
 
 # Clean.
 #
@@ -79,7 +76,7 @@ $(clean):                            \
   $(driver).o.clean                  \
   $(addsuffix .cxx.clean,$(cxx_obj)) \
   $(addsuffix .cxx.clean,$(cxx_od))  \
-  $(addprefix $(out_base)/,$(odb_hdr:.hxx=-odb.cxx.hxx.clean))
+  $(addsuffix .hxx.clean,$(filter %.cxx,$(gen)))
 	$(call message,,rm -f $(out_base)/test.out)
 
 # Generated .gitignore.
-- 
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