diff options
Diffstat (limited to 'activesupport/test/memoizable_test.rb')
| -rw-r--r-- | activesupport/test/memoizable_test.rb | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/activesupport/test/memoizable_test.rb b/activesupport/test/memoizable_test.rb deleted file mode 100644 index e333b9a78c..0000000000 --- a/activesupport/test/memoizable_test.rb +++ /dev/null @@ -1,290 +0,0 @@ -require 'abstract_unit' - -class MemoizableTest < ActiveSupport::TestCase - class Person - ActiveSupport::Deprecation.silence do - extend ActiveSupport::Memoizable - end - - attr_reader :name_calls, :age_calls, :is_developer_calls, :name_query_calls - - def initialize - @name_calls = 0 - @age_calls = 0 - @is_developer_calls = 0 - @name_query_calls = 0 - end - - def name - @name_calls += 1 - "Josh" - end - - def name? - @name_query_calls += 1 - true - end - memoize :name? - - def update(name) - "Joshua" - end - memoize :update - - def age - @age_calls += 1 - nil - end - - memoize :name, :age - - protected - - def memoize_protected_test - 'protected' - end - memoize :memoize_protected_test - - private - - def is_developer? - @is_developer_calls += 1 - "Yes" - end - memoize :is_developer? - end - - class Company - attr_reader :name_calls - def initialize - @name_calls = 0 - end - - def name - @name_calls += 1 - "37signals" - end - end - - module Rates - ActiveSupport::Deprecation.silence do - extend ActiveSupport::Memoizable - end - - attr_reader :sales_tax_calls - def sales_tax(price) - @sales_tax_calls ||= 0 - @sales_tax_calls += 1 - price * 0.1025 - end - memoize :sales_tax - end - - class Calculator - ActiveSupport::Deprecation.silence do - extend ActiveSupport::Memoizable - end - include Rates - - attr_reader :fib_calls - def initialize - @fib_calls = 0 - end - - def fib(n) - @fib_calls += 1 - - if n == 0 || n == 1 - n - else - fib(n - 1) + fib(n - 2) - end - end - memoize :fib - - def add_or_subtract(i, j, add) - if add - i + j - else - i - j - end - end - memoize :add_or_subtract - - def counter - @count ||= 0 - @count += 1 - end - memoize :counter - end - - def setup - @person = Person.new - @calculator = Calculator.new - end - - def test_memoization - assert_equal "Josh", @person.name - assert_equal 1, @person.name_calls - - 3.times { assert_equal "Josh", @person.name } - assert_equal 1, @person.name_calls - end - - def test_memoization_with_punctuation - assert_equal true, @person.name? - - assert_nothing_raised(NameError) do - @person.memoize_all - @person.unmemoize_all - end - end - - def test_memoization_flush_with_punctuation - assert_equal true, @person.name? - @person.flush_cache(:name?) - 3.times { assert_equal true, @person.name? } - assert_equal 2, @person.name_query_calls - end - - def test_memoization_with_nil_value - assert_equal nil, @person.age - assert_equal 1, @person.age_calls - - 3.times { assert_equal nil, @person.age } - assert_equal 1, @person.age_calls - end - - def test_reloadable - assert_equal 1, @calculator.counter - assert_equal 2, @calculator.counter(:reload) - assert_equal 2, @calculator.counter - assert_equal 3, @calculator.counter(true) - assert_equal 3, @calculator.counter - end - - def test_flush_cache - assert_equal 1, @calculator.counter - - assert @calculator.instance_variable_get(:@_memoized_counter).any? - @calculator.flush_cache(:counter) - assert @calculator.instance_variable_get(:@_memoized_counter).empty? - - assert_equal 2, @calculator.counter - end - - def test_unmemoize_all - assert_equal 1, @calculator.counter - - assert @calculator.instance_variable_get(:@_memoized_counter).any? - @calculator.unmemoize_all - assert @calculator.instance_variable_get(:@_memoized_counter).empty? - - assert_equal 2, @calculator.counter - end - - def test_memoize_all - @calculator.memoize_all - assert @calculator.instance_variable_defined?(:@_memoized_counter) - end - - def test_memoization_cache_is_different_for_each_instance - assert_equal 1, @calculator.counter - assert_equal 2, @calculator.counter(:reload) - assert_equal 1, Calculator.new.counter - end - - def test_memoized_is_not_affected_by_freeze - @person.freeze - assert_equal "Josh", @person.name - assert_equal "Joshua", @person.update("Joshua") - end - - def test_memoization_with_args - assert_equal 55, @calculator.fib(10) - assert_equal 11, @calculator.fib_calls - end - - def test_reloadable_with_args - assert_equal 55, @calculator.fib(10) - assert_equal 11, @calculator.fib_calls - assert_equal 55, @calculator.fib(10, :reload) - assert_equal 12, @calculator.fib_calls - assert_equal 55, @calculator.fib(10, true) - assert_equal 13, @calculator.fib_calls - end - - def test_memoization_with_boolean_arg - assert_equal 4, @calculator.add_or_subtract(2, 2, true) - assert_equal 2, @calculator.add_or_subtract(4, 2, false) - end - - def test_object_memoization - [Company.new, Company.new, Company.new].each do |company| - ActiveSupport::Deprecation.silence do - company.extend ActiveSupport::Memoizable - end - company.memoize :name - - assert_equal "37signals", company.name - assert_equal 1, company.name_calls - assert_equal "37signals", company.name - assert_equal 1, company.name_calls - end - end - - def test_memoized_module_methods - assert_equal 1.025, @calculator.sales_tax(10) - assert_equal 1, @calculator.sales_tax_calls - assert_equal 1.025, @calculator.sales_tax(10) - assert_equal 1, @calculator.sales_tax_calls - assert_equal 2.5625, @calculator.sales_tax(25) - assert_equal 2, @calculator.sales_tax_calls - end - - def test_object_memoized_module_methods - company = Company.new - company.extend(Rates) - - assert_equal 1.025, company.sales_tax(10) - assert_equal 1, company.sales_tax_calls - assert_equal 1.025, company.sales_tax(10) - assert_equal 1, company.sales_tax_calls - assert_equal 2.5625, company.sales_tax(25) - assert_equal 2, company.sales_tax_calls - end - - def test_double_memoization - assert_raise(RuntimeError) { Person.memoize :name } - person = Person.new - ActiveSupport::Deprecation.silence do - person.extend ActiveSupport::Memoizable - end - assert_raise(RuntimeError) { person.memoize :name } - - company = Company.new - ActiveSupport::Deprecation.silence do - company.extend ActiveSupport::Memoizable - end - company.memoize :name - assert_raise(RuntimeError) { company.memoize :name } - end - - def test_protected_method_memoization - person = Person.new - - assert_raise(NoMethodError) { person.memoize_protected_test } - assert_equal "protected", person.send(:memoize_protected_test) - end - - def test_private_method_memoization - person = Person.new - - assert_raise(NoMethodError) { person.is_developer? } - assert_equal "Yes", person.send(:is_developer?) - assert_equal 1, person.is_developer_calls - assert_equal "Yes", person.send(:is_developer?) - assert_equal 1, person.is_developer_calls - end - -end |