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# frozen_string_literal: true
require 'test_helper'
class RegistersUnitTest < Minitest::Test
include Liquid
def test_set
static_register = Registers.new(a: 1, b: 2)
static_register[:b] = 22
static_register[:c] = 33
assert_equal(1, static_register[:a])
assert_equal(22, static_register[:b])
assert_equal(33, static_register[:c])
end
def test_get_missing_key
static_register = Registers.new
assert_nil(static_register[:missing])
end
def test_delete
static_register = Registers.new(a: 1, b: 2)
static_register[:b] = 22
static_register[:c] = 33
assert_nil(static_register.delete(:a))
assert_equal(22, static_register.delete(:b))
assert_equal(33, static_register.delete(:c))
assert_nil(static_register[:c])
assert_nil(static_register.delete(:d))
end
def test_keys
static_register = Registers.new(a: 1, b: 2)
assert_equal([:a, :b], static_register.keys.sort)
static_register[:b] = 3
assert_equal([:a, :b], static_register.keys.sort)
static_register[:c] = 4
assert_equal([:a, :b, :c], static_register.keys.sort)
end
def test_each
static_register = Registers.new(a: 1, b: 2)
keys = []
vals = []
static_register.each do |key, val|
keys << key
vals << val
end
assert_equal([:a, :b], keys.sort)
assert_equal([1, 2], vals.sort)
end
def test_fetch
static_register = Registers.new(a: 1, b: 2)
static_register[:b] = 22
static_register[:c] = 33
assert_equal(1, static_register.fetch(:a))
assert_equal(1, static_register.fetch(:a, "default"))
assert_equal(22, static_register.fetch(:b))
assert_equal(22, static_register.fetch(:b, "default"))
assert_equal(33, static_register.fetch(:c))
assert_equal(33, static_register.fetch(:c, "default"))
assert_raises(KeyError) do
static_register.fetch(:d)
end
assert_equal("default", static_register.fetch(:d, "default"))
result = static_register.fetch(:d) { "default" }
assert_equal("default", result)
result = static_register.fetch(:d, "default 1") { "default 2" }
assert_equal("default 2", result)
end
def test_key
static_register = Registers.new(a: 1, b: 2)
static_register[:b] = 22
static_register[:c] = 33
assert_equal(true, static_register.key?(:a))
assert_equal(true, static_register.key?(:b))
assert_equal(true, static_register.key?(:c))
assert_equal(false, static_register.key?(:d))
end
def test_static_register_can_be_frozen
static_register = Registers.new(a: 1)
static_register.static.freeze
assert_raises(RuntimeError) do
static_register.static[:a] = "foo"
end
assert_raises(RuntimeError) do
static_register.static[:b] = "foo"
end
assert_raises(RuntimeError) do
static_register.static.delete(:a)
end
assert_raises(RuntimeError) do
static_register.static.delete(:c)
end
end
def test_new_static_retains_static
static_register = Registers.new(a: 1, b: 2)
static_register[:b] = 22
static_register[:c] = 33
new_static_register = Registers.new(static_register)
new_static_register[:b] = 222
newest_static_register = Registers.new(new_static_register)
newest_static_register[:c] = 333
assert_equal(1, static_register[:a])
assert_equal(22, static_register[:b])
assert_equal(33, static_register[:c])
assert_equal(1, new_static_register[:a])
assert_equal(222, new_static_register[:b])
assert_nil(new_static_register[:c])
assert_equal(1, newest_static_register[:a])
assert_equal(2, newest_static_register[:b])
assert_equal(333, newest_static_register[:c])
end
def test_multiple_instances_are_unique
static_register_1 = Registers.new(a: 1, b: 2)
static_register_1[:b] = 22
static_register_1[:c] = 33
static_register_2 = Registers.new(a: 10, b: 20)
static_register_2[:b] = 220
static_register_2[:c] = 330
assert_equal({ a: 1, b: 2 }, static_register_1.static)
assert_equal(1, static_register_1[:a])
assert_equal(22, static_register_1[:b])
assert_equal(33, static_register_1[:c])
assert_equal({ a: 10, b: 20 }, static_register_2.static)
assert_equal(10, static_register_2[:a])
assert_equal(220, static_register_2[:b])
assert_equal(330, static_register_2[:c])
end
def test_initialization_reused_static_same_memory_object
static_register_1 = Registers.new(a: 1, b: 2)
static_register_1[:b] = 22
static_register_1[:c] = 33
static_register_2 = Registers.new(static_register_1)
assert_equal(1, static_register_2[:a])
assert_equal(2, static_register_2[:b])
assert_nil(static_register_2[:c])
static_register_1.static[:b] = 222
static_register_1.static[:c] = 333
assert_same(static_register_1.static, static_register_2.static)
end
end
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