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require 'spec_helper'
require 'active_record'
require 'database_cleaner/active_record/base'
require 'database_cleaner/shared_strategy'
class FakeModel
def self.connection
:fake_connection
end
end
module DatabaseCleaner
describe ActiveRecord do
it { should respond_to(:available_strategies) }
describe "config_file_location" do
subject { ActiveRecord.config_file_location }
it "should default to DatabaseCleaner.root / config / database.yml" do
ActiveRecord.config_file_location=nil
DatabaseCleaner.should_receive(:app_root).and_return("/path/to")
subject.should eq '/path/to/config/database.yml'
end
end
end
module ActiveRecord
class ExampleStrategy
include ::DatabaseCleaner::ActiveRecord::Base
end
describe ExampleStrategy do
let :config_location do
'/path/to/config/database.yml'
end
before { ::DatabaseCleaner::ActiveRecord.stub(:config_file_location).and_return(config_location) }
it_should_behave_like "a generic strategy"
describe "db" do
it "should store my desired db" do
subject.stub(:load_config)
subject.db = :my_db
subject.db.should eq :my_db
end
it "should default to :default" do
subject.db.should eq :default
end
it "should load_config when I set db" do
subject.should_receive(:load_config)
subject.db = :my_db
end
end
describe "load_config" do
before do
subject.db = :my_db
yaml = <<-Y
my_db:
database: <%= "ONE".downcase %>
Y
File.stub(:file?).with(config_location).and_return(true)
IO.stub(:read).with(config_location).and_return(yaml)
end
it "should parse the config" do
YAML.should_receive(:load).and_return({ :nil => nil })
subject.load_config
end
it "should process erb in the config" do
transformed = <<-Y
my_db:
database: one
Y
YAML.should_receive(:load).with(transformed).and_return({ "my_db" => { "database" => "one" } })
subject.load_config
end
it "should store the relevant config in connection_hash" do
subject.load_config
subject.connection_hash.should eq( "database" => "one" )
end
it "should skip config if config file is not available" do
File.should_receive(:file?).with(config_location).and_return(false)
subject.load_config
subject.connection_hash.should_not be
end
it "skips the file when the model is set" do
subject.db = FakeModel
YAML.should_not_receive(:load)
subject.load_config
subject.connection_hash.should_not be
end
it "skips the file when the db is set to :default" do
# to avoid https://github.com/bmabey/database_cleaner/issues/72
subject.db = :default
YAML.should_not_receive(:load)
subject.load_config
subject.connection_hash.should_not be
end
end
describe "connection_hash" do
it "should store connection_hash" do
subject.connection_hash = { :key => "value" }
subject.connection_hash.should eq( :key => "value" )
end
end
describe "connection_class" do
it { expect { subject.connection_class }.to_not raise_error }
it "should default to ActiveRecord::Base" do
subject.connection_class.should eq ::ActiveRecord::Base
end
context "with database models" do
context "connection_hash is set" do
it "allows for database models to be passed in" do
subject.db = FakeModel
subject.connection_hash = { }
subject.load_config
subject.connection_class.should eq FakeModel
end
end
context "connection_hash is not set" do
it "allows for database models to be passed in" do
subject.db = FakeModel
subject.connection_class.should eq FakeModel
end
end
end
context "when connection_hash is set" do
let(:hash) { double("hash") }
before { ::ActiveRecord::Base.stub(:respond_to?).and_return(false) }
before { subject.stub(:connection_hash).and_return(hash) }
it "establish a connection using ActiveRecord::Base" do
::ActiveRecord::Base.should_receive(:establish_connection).with(hash)
subject.connection_class
end
end
end
end
end
end
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