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# frozen_string_literal: true
require_relative 'test_helper'
class TestDefaultLocale < Test::Unit::TestCase
def test_setting_default_locale
# if locale is not set, fallback is :en
assert_equal :en, Faker::Config.locale
# locale can be updated initially
# and it becomes the default value
# for new threads
Faker::Config.default_locale = :pt
assert_equal :pt, Faker::Config.locale
t1 = Thread.new do
# child thread has initial locale equal to
# latest locale set on main thread
# instead of the fallback value
assert_equal :pt, Faker::Config.locale
# child thread can set its own locale
Faker::Config.locale = :es
assert_equal :es, Faker::Config.locale
end
t1.join
# child thread won't change locale of other threads
assert_equal :pt, Faker::Config.locale
t2 = Thread.new do
# initial default locale is copied over to new thread
assert_equal :pt, Faker::Config.locale
Faker::Config.locale = :it
assert_equal :it, Faker::Config.locale
end
t2.join
assert_equal :pt, Faker::Config.locale
# setting this to reset the default locale for all tests
Faker::Config.default_locale = nil
assert_equal :en, Faker::Config.locale
end
def test_setting_default_locale_on_child_thread
# if locale is not set, fallback is :en
assert_equal :en, Faker::Config.locale
# locale can be updated initially
# and it becomes the default value
# for new threads
Faker::Config.default_locale = :pt
assert_equal :pt, Faker::Config.locale
t1 = Thread.new do
# child thread has initial locale equal to
# latest locale set on main thread
# instead of the fallback value
assert_equal :pt, Faker::Config.locale
# child thread can set the default locale
Faker::Config.default_locale = :es
assert_equal :es, Faker::Config.locale
end
t1.join
# all threads now will have the same default
assert_equal :es, Faker::Config.locale
t2 = Thread.new do
# initial default locale is copied over to new thread
assert_equal :es, Faker::Config.locale
Faker::Config.locale = :it
assert_equal :it, Faker::Config.locale
end
t2.join
assert_equal :es, Faker::Config.locale
# setting this to reset the default locale for all tests
Faker::Config.default_locale = nil
assert_equal :en, Faker::Config.locale
end
end
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