database_cleaner/spec/database_cleaner/configuration_spec.rb
2014-12-08 14:48:07 +01:00

345 lines
12 KiB
Ruby

require 'spec_helper'
module ArrayHelper
def zipmap(array, vals)
Hash[*(array.zip(vals).flatten)]
end
module_function :zipmap
end
module DatabaseCleaner
class << self
def reset
@cleaners = nil
@connections = nil
end
# hackey, hack.. connections needs to stick around until I can properly deprecate the API
def connections_stub(array)
@cleaners = ArrayHelper.zipmap((1..array.size).to_a, array)
@connections = array
end
end
end
describe ::DatabaseCleaner do
before(:each) { ::DatabaseCleaner.reset }
context "orm specification" do
it "should not accept unrecognised orms" do
expect { ::DatabaseCleaner[nil] }.to raise_error(::DatabaseCleaner::NoORMDetected)
end
it "should accept :active_record" do
cleaner = ::DatabaseCleaner[:active_record]
cleaner.should be_a(::DatabaseCleaner::Base)
cleaner.orm.should eq :active_record
::DatabaseCleaner.connections.size.should eq 1
end
it "should accept :data_mapper" do
cleaner = ::DatabaseCleaner[:data_mapper]
cleaner.should be_a(::DatabaseCleaner::Base)
cleaner.orm.should eq :data_mapper
::DatabaseCleaner.connections.size.should eq 1
end
it "should accept :mongo_mapper" do
cleaner = ::DatabaseCleaner[:mongo_mapper]
cleaner.should be_a(::DatabaseCleaner::Base)
cleaner.orm.should eq :mongo_mapper
::DatabaseCleaner.connections.size.should eq 1
end
it "should accept :couch_potato" do
cleaner = ::DatabaseCleaner[:couch_potato]
cleaner.should be_a(::DatabaseCleaner::Base)
cleaner.orm.should eq :couch_potato
::DatabaseCleaner.connections.size.should eq 1
end
it "should accept :moped" do
cleaner = ::DatabaseCleaner[:moped]
cleaner.should be_a(::DatabaseCleaner::Base)
cleaner.orm.should eq :moped
::DatabaseCleaner.connections.size.should eq 1
end
it 'accepts :ohm' do
cleaner = ::DatabaseCleaner[:ohm]
cleaner.should be_a(::DatabaseCleaner::Base)
cleaner.orm.should eq :ohm
::DatabaseCleaner.connections.size.should eq 1
end
end
it "should accept multiple orm's" do
::DatabaseCleaner[:couch_potato]
::DatabaseCleaner[:data_mapper]
::DatabaseCleaner.connections.size.should eq 2
::DatabaseCleaner.connections[0].orm.should eq :couch_potato
::DatabaseCleaner.connections[1].orm.should eq :data_mapper
end
context "connection/db specification" do
it "should accept a connection parameter and store it" do
cleaner = ::DatabaseCleaner[:active_record, {:connection => :first_connection}]
cleaner.should be_a(::DatabaseCleaner::Base)
cleaner.orm.should eq :active_record
cleaner.db.should eq :first_connection
end
it "should accept multiple connections for a single orm" do
::DatabaseCleaner[:data_mapper,{:connection => :first_db}]
::DatabaseCleaner[:data_mapper,{:connection => :second_db}]
::DatabaseCleaner.connections.size.should eq 2
::DatabaseCleaner.connections[0].orm.should eq :data_mapper
::DatabaseCleaner.connections[0].db.should eq :first_db
::DatabaseCleaner.connections[1].orm.should eq :data_mapper
::DatabaseCleaner.connections[1].db.should eq :second_db
end
it "should accept multiple connections and multiple orms" do
::DatabaseCleaner[:data_mapper, {:connection => :first_db} ]
::DatabaseCleaner[:active_record,{:connection => :second_db}]
::DatabaseCleaner[:active_record,{:connection => :first_db} ]
::DatabaseCleaner[:data_mapper, {:connection => :second_db}]
::DatabaseCleaner.connections.size.should eq 4
::DatabaseCleaner.connections[0].orm.should eq :data_mapper
::DatabaseCleaner.connections[0].db.should eq :first_db
::DatabaseCleaner.connections[1].orm.should eq :active_record
::DatabaseCleaner.connections[1].db.should eq :second_db
::DatabaseCleaner.connections[2].orm.should eq :active_record
::DatabaseCleaner.connections[2].db.should eq :first_db
::DatabaseCleaner.connections[3].orm.should eq :data_mapper
::DatabaseCleaner.connections[3].db.should eq :second_db
end
end
context "connection/db retrieval" do
it "should retrieve a db rather than create a new one" do
pending
connection = ::DatabaseCleaner[:active_record].strategy = :truncation
::DatabaseCleaner[:active_record].should eq connection
end
end
context "class methods" do
subject { ::DatabaseCleaner }
it "should give me a default (autodetection) databasecleaner by default" do
cleaner = double("cleaner").as_null_object
::DatabaseCleaner::Base.stub(:new).and_return(cleaner)
::DatabaseCleaner.connections.should eq [cleaner]
end
end
context "single orm single connection" do
let(:connection) { ::DatabaseCleaner.connections.first }
it "should proxy strategy=" do
stratagum = double("stratagum")
connection.should_receive(:strategy=).with(stratagum)
::DatabaseCleaner.strategy = stratagum
end
it "should proxy orm=" do
orm = double("orm")
connection.should_receive(:orm=).with(orm)
::DatabaseCleaner.orm = orm
end
it "should proxy start" do
connection.should_receive(:start)
::DatabaseCleaner.start
end
it "should proxy clean" do
connection.should_receive(:clean)
::DatabaseCleaner.clean
end
it 'should proxy cleaning' do
connection.should_receive(:cleaning)
::DatabaseCleaner.cleaning { }
end
it "should proxy clean_with" do
stratagem = double("stratgem")
connection.should_receive(:clean_with).with(stratagem, {})
::DatabaseCleaner.clean_with stratagem, {}
end
end
context "multiple connections" do
#these are relativly simple, all we need to do is make sure all connections are cleaned/started/cleaned_with appropriatly.
context "simple proxy methods" do
let(:active_record) { double("active_mock") }
let(:data_mapper) { double("data_mock") }
before(:each) do
::DatabaseCleaner.stub(:connections).and_return([active_record,data_mapper])
end
it "should proxy orm to all connections" do
active_record.should_receive(:orm=)
data_mapper.should_receive(:orm=)
::DatabaseCleaner.orm = double("orm")
end
it "should proxy start to all connections" do
active_record.should_receive(:start)
data_mapper.should_receive(:start)
::DatabaseCleaner.start
end
it "should proxy clean to all connections" do
active_record.should_receive(:clean)
data_mapper.should_receive(:clean)
::DatabaseCleaner.clean
end
it "should initiate cleaning on each connection, yield, and finish cleaning each connection" do
[active_record, data_mapper].each do |connection|
mc = class << connection; self; end
mc.send(:attr_reader, :started, :cleaned)
mc.send(:define_method, 'cleaning') do |&block|
@started = true
block.call
@cleaned = true
end
end
::DatabaseCleaner.cleaning do
active_record.started.should == true
data_mapper.started.should == true
active_record.cleaned.should == nil
data_mapper.cleaned.should == nil
@yielded = true
end
active_record.cleaned.should == true
data_mapper.cleaned.should == true
end
it "should proxy clean_with to all connections" do
stratagem = double("stratgem")
active_record.should_receive(:clean_with).with(stratagem)
data_mapper.should_receive(:clean_with).with(stratagem)
::DatabaseCleaner.clean_with stratagem
end
end
# ah now we have some difficulty, we mustn't allow duplicate connections to exist, but they could
# plausably want to force orm/strategy change on two sets of orm that differ only on db
context "multiple orm proxy methods" do
pending "should proxy orm to all connections and remove duplicate connections" do
active_record_1 = double("active_mock_on_db_one").as_null_object
active_record_2 = double("active_mock_on_db_two").as_null_object
data_mapper_1 = double("data_mock_on_db_one").as_null_object
::DatabaseCleaner.connections_stub [active_record_1,active_record_2,data_mapper_1]
active_record_1.should_receive(:orm=).with(:data_mapper)
active_record_2.should_receive(:orm=).with(:data_mapper)
data_mapper_1.should_receive(:orm=).with(:data_mapper)
active_record_1.should_receive(:==).with(data_mapper_1).and_return(true)
::DatabaseCleaner.connections.size.should eq 3
::DatabaseCleaner.orm = :data_mapper
::DatabaseCleaner.connections.size.should eq 2
end
it "should proxy strategy to all connections and remove duplicate connections" do
active_record_1 = double("active_mock_strategy_one").as_null_object
active_record_2 = double("active_mock_strategy_two").as_null_object
strategy = double("strategy")
::DatabaseCleaner.connections_stub [active_record_1,active_record_2]
active_record_1.should_receive(:strategy=).with(strategy)
active_record_2.should_receive(:strategy=).with(strategy)
active_record_1.should_receive(:==).with(active_record_2).and_return(true)
::DatabaseCleaner.connections.size.should eq 2
::DatabaseCleaner.strategy = strategy
::DatabaseCleaner.connections.size.should eq 1
end
end
end
describe "remove_duplicates" do
it "should remove duplicates if they are identical" do
orm = double("orm")
connection = double("a datamapper connection", :orm => orm )
::DatabaseCleaner.connections_stub [connection,connection,connection]
::DatabaseCleaner.remove_duplicates
::DatabaseCleaner.connections.size.should eq 1
end
end
describe "app_root" do
it "should default to Dir.pwd" do
DatabaseCleaner.app_root.should eq Dir.pwd
end
it "should store specific paths" do
DatabaseCleaner.app_root = '/path/to'
DatabaseCleaner.app_root.should eq '/path/to'
end
end
describe "orm_module" do
subject { ::DatabaseCleaner }
it "should return DatabaseCleaner::ActiveRecord for :active_record" do
::DatabaseCleaner::ActiveRecord = double("ar module") unless defined? ::DatabaseCleaner::ActiveRecord
subject.orm_module(:active_record).should eq DatabaseCleaner::ActiveRecord
end
it "should return DatabaseCleaner::DataMapper for :data_mapper" do
::DatabaseCleaner::DataMapper = double("dm module") unless defined? ::DatabaseCleaner::DataMapper
subject.orm_module(:data_mapper).should eq DatabaseCleaner::DataMapper
end
it "should return DatabaseCleaner::MongoMapper for :mongo_mapper" do
::DatabaseCleaner::MongoMapper = double("mm module") unless defined? ::DatabaseCleaner::MongoMapper
subject.orm_module(:mongo_mapper).should eq DatabaseCleaner::MongoMapper
end
it "should return DatabaseCleaner::Mongoid for :mongoid" do
::DatabaseCleaner::Mongoid = double("mongoid module") unless defined? ::DatabaseCleaner::Mongoid
subject.orm_module(:mongoid).should eq DatabaseCleaner::Mongoid
end
it "should return DatabaseCleaner::Mongo for :mongo" do
::DatabaseCleaner::Mongo = double("mongo module") unless defined? ::DatabaseCleaner::Mongo
subject.orm_module(:mongo).should eq DatabaseCleaner::Mongo
end
it "should return DatabaseCleaner::CouchPotato for :couch_potato" do
::DatabaseCleaner::CouchPotato = double("cp module") unless defined? ::DatabaseCleaner::CouchPotato
subject.orm_module(:couch_potato).should eq DatabaseCleaner::CouchPotato
end
it "should return DatabaseCleaner::Neo4j for :neo4j" do
::DatabaseCleaner::Neo4j = double("nj module") unless defined? ::DatabaseCleaner::Neo4j
subject.orm_module(:neo4j).should eq DatabaseCleaner::Neo4j
end
end
end