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# File 'lib/switchman/r_spec_helper.rb', line 21
def self.included(klass)
parent_group = klass.parent_groups[1]
return if parent_group && included_in?(parent_group)
root_group = klass.parent_groups.last
root_group.prepend_before(:all) do |group|
next if @@shard1
next if @@sharding_failed
groups = group.class.descendant_filtered_examples.map(&:example_group).uniq
next unless groups.any?{ |group| RSpecHelper.included_in?(group) }
puts "Setting up sharding for all specs..."
Shard.delete_all
@@shard1, @@shard2 = TestHelper.recreate_persistent_test_shards
@@default_shard = Shard.default
if @@shard1.is_a?(Shard)
@@keep_the_shards = true
@@shard3 = nil
else begin
@@shard1 = @@shard1.create_new_shard
@@shard2 = @@shard2.create_new_shard
if @@shard1.database_server == Shard.default.database_server
@@shard3 = nil
else
@@shard3 = @@shard1.database_server.create_new_shard
end
rescue => e
$stderr.puts "Sharding setup FAILED!:"
while e
$stderr.puts "\n#{e}\n"
$stderr.puts e.backtrace
e = e.respond_to?(:cause) ? e.cause : nil
end
@@sharding_failed = true
(@@shard1.drop_database if @@shard1) rescue nil
(@@shard2.drop_database if @@shard3) rescue nil
(@@shard3.drop_database if @@shard3) rescue nil
@@shard1 = @@shard2 = @@shard3 = nil
Shard.delete_all
Shard.default(true)
next
end
end
Shard.delete_all
Shard.default(true)
puts "Done!"
at_exit do
status= $!.is_a?(::SystemExit) ? $!.status : nil
puts "Tearing down sharding for all specs"
@@shard1.database_server.destroy unless @@shard1.database_server == Shard.default.database_server
unless @@keep_the_shards
@@shard1.drop_database
@@shard1.destroy
@@shard2.drop_database
@@shard2.destroy
if @@shard3
@@shard3.drop_database
@@shard3.destroy
end
end
@@shard2.database_server.destroy
exit status if status
end
end
klass.before(:all) do
next if @@sharding_failed
dup = @@default_shard.dup
dup.id = @@default_shard.id
dup.save!
Shard.default(true)
dup = @@shard1.dup
dup.id = @@shard1.id
dup.save!
dup = @@shard2.dup
dup.id = @@shard2.id
dup.save!
if @@shard3
dup = @@shard3.dup
dup.id = @@shard3.id
dup.save!
end
@shard1, @shard2 = @@shard1, @@shard2
@shard3 = @@shard3 ? @@shard3 : Shard.default
end
klass.before do
raise "Sharding did not set up correctly" if @@sharding_failed
Shard.clear_cache
if (::Rails.version >= '5' && use_transactional_tests) || use_transactional_fixtures
Shard.default(true)
@shard1 = Shard.find(@shard1.id)
@shard2 = Shard.find(@shard2.id)
shards = [@shard2]
shards << @shard1 unless @shard1.database_server == Shard.default.database_server
shards.each do |shard|
shard.activate do
::ActiveRecord::Base.connection.begin_transaction joinable: false
end
end
end
end
klass.after do
next if @@sharding_failed
if (::Rails.version >= '5' && use_transactional_tests) || use_transactional_fixtures
shards = [@shard2]
shards << @shard1 unless @shard1.database_server == Shard.default.database_server
shards.each do |shard|
shard.activate do
::ActiveRecord::Base.connection.rollback_transaction if ::ActiveRecord::Base.connection.transaction_open?
end
end
end
end
klass.after(:all) do
Shard.delete_all
Shard.default(true)
end
end
|