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require 'helper'
module Arel
describe 'delete manager' do
describe 'new' do
it 'takes an engine' do
Arel::DeleteManager.new Table.engine
end
end
describe 'from' do
it 'uses from' do
table = Table.new(:users)
dm = Arel::DeleteManager.new Table.engine
dm.from table
dm.to_sql.must_be_like %{ DELETE FROM "users" }
end
it 'chains' do
table = Table.new(:users)
dm = Arel::DeleteManager.new Table.engine
dm.from(table).must_equal dm
end
end
describe 'where' do
it 'uses where values' do
table = Table.new(:users)
dm = Arel::DeleteManager.new Table.engine
dm.from table
dm.where table[:id].eq(10)
dm.to_sql.must_be_like %{ DELETE FROM "users" WHERE "users"."id" = 10}
end
it 'chains' do
table = Table.new(:users)
dm = Arel::DeleteManager.new Table.engine
dm.where(table[:id].eq(10)).must_equal dm
end
end
end
end
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