discourse/spec/components/migration/safe_migrate_spec.rb

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# frozen_string_literal: true
require 'rails_helper'
describe Migration::SafeMigrate do
before do
Migration::SafeMigrate::SafeMigration.disable_safe!
end
after do
Migration::SafeMigrate.disable!
Migration::SafeMigrate::SafeMigration.enable_safe!
end
def migrate_up(path)
migrations = ActiveRecord::MigrationContext.new(path, ActiveRecord::SchemaMigration).migrations
ActiveRecord::Migrator.new(:up, migrations, ActiveRecord::SchemaMigration, migrations.first.version).run
end
it "bans all table removal" do
Migration::SafeMigrate.enable!
path = File.expand_path "#{Rails.root}/spec/fixtures/db/migrate/drop_table"
output = capture_stdout do
expect(lambda do
migrate_up(path)
end).to raise_error(StandardError)
end
expect(output).to include("rails g post_migration")
expect { User.first }.not_to raise_error
expect(User.first).not_to eq(nil)
end
it "bans all table renames" do
Migration::SafeMigrate.enable!
path = File.expand_path "#{Rails.root}/spec/fixtures/db/migrate/rename_table"
output = capture_stdout do
expect(lambda do
migrate_up(path)
end).to raise_error(StandardError)
end
expect { User.first }.not_to raise_error
expect(User.first).not_to eq(nil)
expect(output).to include("rails g post_migration")
end
it "bans all column removal" do
Migration::SafeMigrate.enable!
path = File.expand_path "#{Rails.root}/spec/fixtures/db/migrate/remove_column"
output = capture_stdout do
expect(lambda do
migrate_up(path)
end).to raise_error(StandardError)
end
expect(output).to include("rails g post_migration")
expect(User.first).not_to eq(nil)
expect { User.first.username }.not_to raise_error
end
it "bans all column renames" do
Migration::SafeMigrate.enable!
path = File.expand_path "#{Rails.root}/spec/fixtures/db/migrate/rename_column"
output = capture_stdout do
expect(lambda do
migrate_up(path)
end).to raise_error(StandardError)
end
expect(output).to include("rails g post_migration")
expect(User.first).not_to eq(nil)
expect { User.first.username }.not_to raise_error
end
it "supports being disabled" do
Migration::SafeMigrate.enable!
Migration::SafeMigrate.disable!
path = File.expand_path "#{Rails.root}/spec/fixtures/db/migrate/drop_table"
output = capture_stdout do
migrate_up(path)
end
expect(output).to include("drop_table(:email_logs)")
end
describe 'for a post deployment migration' do
it 'should not ban unsafe migrations' do
user = Fabricate(:user)
Migration::SafeMigrate::SafeMigration.enable_safe!
path = File.expand_path "#{Rails.root}/spec/fixtures/db/post_migrate"
output = capture_stdout do
migrate_up(path)
end
expect(output).to include("drop_table(:email_logs)")
expect(user.reload).to eq(user)
end
end
end