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# frozen_string_literal: true
require_relative "helper"
module Arel
class DeleteManagerTest < Arel::Spec
describe "new" do
it "takes an engine" do
Arel::DeleteManager.new
end
end
it "handles limit properly" do
table = Table.new(:users)
dm = Arel::DeleteManager.new
dm.take 10
dm.from table
dm.key = table[:id]
assert_match(/LIMIT 10/, dm.to_sql)
end
describe "from" do
it "uses from" do
table = Table.new(:users)
dm = Arel::DeleteManager.new
dm.from table
dm.to_sql.must_be_like %{ DELETE FROM "users" }
end
it "chains" do
table = Table.new(:users)
dm = Arel::DeleteManager.new
dm.from(table).must_equal dm
end
end
describe "where" do
it "uses where values" do
table = Table.new(:users)
dm = Arel::DeleteManager.new
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
dm.where(table[:id].eq(10)).must_equal dm
end
end
describe "comment" do
it "chains" do
manager = Arel::DeleteManager.new
manager.comment("deleting").must_equal manager
end
it "appends a comment to the generated query" do
table = Table.new(:users)
dm = Arel::DeleteManager.new
dm.from table
dm.comment("deletion")
assert_match(%r{DELETE FROM "users" /\* deletion \*/}, dm.to_sql)
dm.comment("deletion", "with", "comment")
assert_match(%r{DELETE FROM "users" /\* deletion \*/ /\* with \*/ /\* comment \*/}, dm.to_sql)
end
end
end
end
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