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# frozen_string_literal: true
require "cases/helper"
require "models/bird"
require "byebug"
class BasePreventWritesTest < ActiveRecord::TestCase
if !in_memory_db?
test "creating a record raises if preventing writes" do
error = assert_raises ActiveRecord::ReadOnlyError do
ActiveRecord::Base.while_preventing_writes do
Bird.create! name: "Bluejay"
end
end
assert_match %r/\AWrite query attempted while in readonly mode: INSERT /, error.message
end
test "updating a record raises if preventing writes" do
bird = Bird.create! name: "Bluejay"
error = assert_raises ActiveRecord::ReadOnlyError do
ActiveRecord::Base.while_preventing_writes do
bird.update! name: "Robin"
end
end
assert_match %r/\AWrite query attempted while in readonly mode: UPDATE /, error.message
end
test "deleting a record raises if preventing writes" do
bird = Bird.create! name: "Bluejay"
error = assert_raises ActiveRecord::ReadOnlyError do
ActiveRecord::Base.while_preventing_writes do
bird.destroy!
end
end
assert_match %r/\AWrite query attempted while in readonly mode: DELETE /, error.message
end
test "selecting a record does not raise if preventing writes" do
bird = Bird.create! name: "Bluejay"
ActiveRecord::Base.while_preventing_writes do
assert_equal bird, Bird.where(name: "Bluejay").last
end
end
test "an explain query does not raise if preventing writes" do
Bird.create!(name: "Bluejay")
ActiveRecord::Base.while_preventing_writes do
assert_queries(2) { Bird.where(name: "Bluejay").explain }
end
end
test "an empty transaction does not raise if preventing writes" do
ActiveRecord::Base.while_preventing_writes do
assert_queries(2, ignore_none: true) do
Bird.transaction do
ActiveRecord::Base.connection.materialize_transactions
end
end
end
end
test "preventing writes applies to all connections in block" do
conn1_error = assert_raises ActiveRecord::ReadOnlyError do
ActiveRecord::Base.while_preventing_writes do
assert_equal ActiveRecord::Base.connection, Bird.connection
assert_not_equal ARUnit2Model.connection, Bird.connection
Bird.create!(name: "Bluejay")
end
end
assert_match %r/\AWrite query attempted while in readonly mode: INSERT /, conn1_error.message
conn2_error = assert_raises ActiveRecord::ReadOnlyError do
ActiveRecord::Base.while_preventing_writes do
assert_not_equal ActiveRecord::Base.connection, Professor.connection
assert_equal ARUnit2Model.connection, Professor.connection
Professor.create!(name: "Professor Bluejay")
end
end
assert_match %r/\AWrite query attempted while in readonly mode: INSERT /, conn2_error.message
end
test "current_preventing_writes" do
ActiveRecord::Base.while_preventing_writes do
assert ActiveRecord::Base.current_preventing_writes, "expected connection current_preventing_writes to return true"
end
end
end
class BasePreventWritesLegacyTest < ActiveRecord::TestCase
def setup
@old_value = ActiveRecord::Base.legacy_connection_handling
ActiveRecord::Base.legacy_connection_handling = true
ActiveRecord::Base.establish_connection :arunit
ARUnit2Model.establish_connection :arunit2
end
def teardown
clean_up_legacy_connection_handlers
ActiveRecord::Base.legacy_connection_handling = @old_value
end
if !in_memory_db?
test "creating a record raises if preventing writes" do
error = assert_raises ActiveRecord::ReadOnlyError do
ActiveRecord::Base.connection_handler.while_preventing_writes do
Bird.create! name: "Bluejay"
end
end
assert_match %r/\AWrite query attempted while in readonly mode: INSERT /, error.message
end
test "updating a record raises if preventing writes" do
bird = Bird.create! name: "Bluejay"
error = assert_raises ActiveRecord::ReadOnlyError do
ActiveRecord::Base.connection_handler.while_preventing_writes do
bird.update! name: "Robin"
end
end
assert_match %r/\AWrite query attempted while in readonly mode: UPDATE /, error.message
end
test "deleting a record raises if preventing writes" do
bird = Bird.create! name: "Bluejay"
error = assert_raises ActiveRecord::ReadOnlyError do
ActiveRecord::Base.connection_handler.while_preventing_writes do
bird.destroy!
end
end
assert_match %r/\AWrite query attempted while in readonly mode: DELETE /, error.message
end
test "selecting a record does not raise if preventing writes" do
bird = Bird.create! name: "Bluejay"
ActiveRecord::Base.connection_handler.while_preventing_writes do
assert_equal bird, Bird.where(name: "Bluejay").last
end
end
test "an explain query does not raise if preventing writes" do
Bird.create!(name: "Bluejay")
ActiveRecord::Base.connection_handler.while_preventing_writes do
assert_queries(2) { Bird.where(name: "Bluejay").explain }
end
end
test "an empty transaction does not raise if preventing writes" do
ActiveRecord::Base.connection_handler.while_preventing_writes do
assert_queries(2, ignore_none: true) do
Bird.transaction do
ActiveRecord::Base.connection.materialize_transactions
end
end
end
end
test "preventing writes applies to all connections on a handler" do
conn1_error = assert_raises ActiveRecord::ReadOnlyError do
ActiveRecord::Base.connection_handler.while_preventing_writes do
assert_equal ActiveRecord::Base.connection, Bird.connection
assert_not_equal ARUnit2Model.connection, Bird.connection
Bird.create!(name: "Bluejay")
end
end
assert_match %r/\AWrite query attempted while in readonly mode: INSERT /, conn1_error.message
conn2_error = assert_raises ActiveRecord::ReadOnlyError do
ActiveRecord::Base.connection_handler.while_preventing_writes do
assert_not_equal ActiveRecord::Base.connection, Professor.connection
assert_equal ARUnit2Model.connection, Professor.connection
Professor.create!(name: "Professor Bluejay")
end
end
assert_match %r/\AWrite query attempted while in readonly mode: INSERT /, conn2_error.message
end
test "preventing writes with multiple handlers" do
ActiveRecord::Base.connects_to(database: { writing: :arunit, reading: :arunit })
conn1_error = assert_raises ActiveRecord::ReadOnlyError do
ActiveRecord::Base.connected_to(role: :writing) do
assert_equal :writing, ActiveRecord::Base.current_role
ActiveRecord::Base.connection_handler.while_preventing_writes do
Bird.create!(name: "Bluejay")
end
end
end
assert_match %r/\AWrite query attempted while in readonly mode: INSERT /, conn1_error.message
conn2_error = assert_raises ActiveRecord::ReadOnlyError do
ActiveRecord::Base.connected_to(role: :reading) do
assert_equal :reading, ActiveRecord::Base.current_role
ActiveRecord::Base.connection_handler.while_preventing_writes do
Bird.create!(name: "Bluejay")
end
end
end
assert_match %r/\AWrite query attempted while in readonly mode: INSERT /, conn2_error.message
end
test "current_preventing_writes" do
ActiveRecord::Base.connection_handler.while_preventing_writes do
assert ActiveRecord::Base.current_preventing_writes, "expected connection current_preventing_writes to return true"
end
end
end
end
end
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