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require File.dirname(__FILE__) + '/../../spec_helper'
require 'active_record'
require 'active_record/connection_adapters/mysql_adapter'
require 'active_record/connection_adapters/mysql2_adapter'
require 'active_record/connection_adapters/sqlite3_adapter'
require 'active_record/connection_adapters/postgresql_adapter'
require 'database_cleaner/active_record/truncation'
module ActiveRecord
module ConnectionAdapters
#JdbcAdapter IBM_DBAdapter
[ MysqlAdapter, Mysql2Adapter, SQLite3Adapter, PostgreSQLAdapter ].each do |adapter|
describe adapter, "#truncate_table" do
it "responds" do
adapter.instance_methods.should include(:truncate_table)
end
end
end
end
end
module DatabaseCleaner
module ActiveRecord
describe Truncation do
let(:connection) { double('connection') }
before(:each) do
connection.stub(:disable_referential_integrity).and_yield
connection.stub(:database_cleaner_view_cache).and_return([])
::ActiveRecord::Base.stub(:connection).and_return(connection)
end
describe '#clean' do
it "should truncate all tables except for schema_migrations" do
connection.stub(:database_cleaner_table_cache).and_return(%w[schema_migrations widgets dogs])
connection.should_receive(:truncate_tables).with(['widgets', 'dogs'])
Truncation.new.clean
end
it "should use ActiveRecord's schema_migrations_table_name" do
connection.stub(:database_cleaner_table_cache).and_return(%w[pre_schema_migrations_suf widgets dogs])
::ActiveRecord::Base.stub(:table_name_prefix).and_return('pre_')
::ActiveRecord::Base.stub(:table_name_suffix).and_return('_suf')
connection.should_receive(:truncate_tables).with(['widgets', 'dogs'])
Truncation.new.clean
end
it "should only truncate the tables specified in the :only option when provided" do
connection.stub(:database_cleaner_table_cache).and_return(%w[schema_migrations widgets dogs])
connection.should_receive(:truncate_tables).with(['widgets'])
Truncation.new(:only => ['widgets']).clean
end
it "should not truncate the tables specified in the :except option" do
connection.stub(:database_cleaner_table_cache).and_return(%w[schema_migrations widgets dogs])
connection.should_receive(:truncate_tables).with(['dogs'])
Truncation.new(:except => ['widgets']).clean
end
it "should raise an error when :only and :except options are used" do
running {
Truncation.new(:except => ['widgets'], :only => ['widgets'])
}.should raise_error(ArgumentError)
end
it "should raise an error when invalid options are provided" do
running { Truncation.new(:foo => 'bar') }.should raise_error(ArgumentError)
end
it "should not truncate views" do
connection.stub(:database_cleaner_table_cache).and_return(%w[widgets dogs])
connection.stub(:database_cleaner_view_cache).and_return(["widgets"])
connection.should_receive(:truncate_tables).with(['dogs'])
Truncation.new.clean
end
describe "relying on #pre_count_truncate_tables if connection allows it" do
subject { Truncation.new }
it "should rely on #pre_count_truncate_tables if #pre_count? returns true" do
connection.stub(:database_cleaner_table_cache).and_return(%w[widgets dogs])
connection.stub(:database_cleaner_view_cache).and_return(["widgets"])
subject.instance_variable_set(:"@pre_count", true)
connection.should_not_receive(:truncate_tables).with(['dogs'])
connection.should_receive(:pre_count_truncate_tables).with(['dogs'], :reset_ids => true)
subject.clean
end
it "should not rely on #pre_count_truncate_tables if #pre_count? return false" do
connection.stub(:database_cleaner_table_cache).and_return(%w[widgets dogs])
connection.stub(:database_cleaner_view_cache).and_return(["widgets"])
subject.instance_variable_set(:"@pre_count", false)
connection.should_not_receive(:pre_count_truncate_tables).with(['dogs'], :reset_ids => true)
connection.should_receive(:truncate_tables).with(['dogs'])
subject.clean
end
end
context 'when :cache_tables is set to true' do
it 'caches the list of tables to be truncated' do
connection.should_receive(:database_cleaner_table_cache).and_return([])
connection.should_not_receive(:tables)
connection.stub!(:truncate_tables)
Truncation.new({ :cache_tables => true }).clean
end
end
context 'when :cache_tables is set to false' do
it 'does not cache the list of tables to be truncated' do
connection.should_not_receive(:database_cleaner_table_cache)
connection.should_receive(:tables).and_return([])
connection.stub!(:truncate_tables)
Truncation.new({ :cache_tables => false }).clean
end
end
end
describe '#pre_count?' do
before(:each) do
connection.stub(:disable_referential_integrity).and_yield
connection.stub(:database_cleaner_view_cache).and_return([])
::ActiveRecord::Base.stub(:connection).and_return(connection)
end
subject { Truncation.new }
its(:pre_count?) { should eq false }
it 'should return true if @reset_id is set and non false or nil' do
subject.instance_variable_set(:"@pre_count", true)
subject.send(:pre_count?).should eq true
end
it 'should return false if @reset_id is set to false' do
subject.instance_variable_set(:"@pre_count", false)
subject.send(:pre_count?).should eq false
end
end
describe '#reset_ids?' do
before(:each) do
connection.stub(:disable_referential_integrity).and_yield
connection.stub(:database_cleaner_view_cache).and_return([])
::ActiveRecord::Base.stub(:connection).and_return(connection)
end
subject { Truncation.new }
its(:reset_ids?) { should eq true }
it 'should return true if @reset_id is set and non false or nil' do
subject.instance_variable_set(:"@reset_ids", 'Something')
subject.send(:reset_ids?).should eq true
end
it 'should return false if @reset_id is set to false' do
subject.instance_variable_set(:"@reset_ids", false)
subject.send(:reset_ids?).should eq false
end
end
end
end
end
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