3 files changed, 54 insertions, 0 deletions
diff --git a/spec/connections/mysql_connection.rb b/spec/connections/mysql_connection.rb
new file mode 100644
index 0000000000..a58ddc35ef
--- /dev/null
+++ b/spec/connections/mysql_connection.rb
@@ -0,0 +1,15 @@
+require "activerecord"
+puts "Using native MySQL"
+
+ActiveRecord::Base.logger = Logger.new("debug.log")
+
+ActiveRecord::Base.configurations = {
+  'unit' => {
+    :adapter  => 'mysql',
+    :username => 'rails',
+    :encoding => 'utf8',
+    :database => 'arel_unit',
+  }
+}
+
+ActiveRecord::Base.establish_connection 'unit'
diff --git a/spec/connections/postgresql_connection.rb b/spec/connections/postgresql_connection.rb
new file mode 100644
index 0000000000..e376d33ec6
--- /dev/null
+++ b/spec/connections/postgresql_connection.rb
@@ -0,0 +1,14 @@
+require "activerecord"
+puts "Using native PostgreSQL"
+
+ActiveRecord::Base.logger = Logger.new("debug.log")
+
+ActiveRecord::Base.configurations = {
+  'unit' => {
+    :adapter  => 'postgresql',
+    :encoding => 'utf8',
+    :database => 'arel_unit',
+  }
+}
+
+ActiveRecord::Base.establish_connection 'unit'
diff --git a/spec/connections/sqlite3_connection.rb b/spec/connections/sqlite3_connection.rb
new file mode 100644
index 0000000000..9e9503e0ca
--- /dev/null
+++ b/spec/connections/sqlite3_connection.rb
@@ -0,0 +1,25 @@
+require "rubygems"
+require "activerecord"
+puts "Using native SQLite3"
+
+ActiveRecord::Base.logger = Logger.new("debug.log")
+
+db_file = "spec/fixtures/fixture_database.sqlite3"
+
+ActiveRecord::Base.configurations = {
+  "unit" => {
+    :adapter  => 'sqlite3',
+    :database => db_file,
+    :timeout  => 5000
+  }
+}
+
+unless File.exist?(db_file)
+  puts "SQLite3 database not found at #{db_file}. Rebuilding it."
+  FileUtils.mkdir_p(File.dirname(db_file))
+  sqlite_command = %Q{sqlite3 "#{db_file}" "create table a (a integer); drop table a;"}
+  puts "Executing '#{sqlite_command}'"
+  raise "Seems that there is no sqlite3 executable available" unless system(sqlite_command)
+end
+
+ActiveRecord::Base.establish_connection("unit")