require 'test/unit'
require File.dirname(__FILE__) + '/../../lib/core_ext/hash'
class HashExtTest < Test::Unit::TestCase
def setup
@strings = { 'a' => 1, 'b' => 2 }
@symbols = { :a => 1, :b => 2 }
@mixed = { :a => 1, 'b' => 2 }
end
def test_methods
h = {}
assert_respond_to h, :symbolize_keys
assert_respond_to h, :symbolize_keys!
assert_respond_to h, :stringify_keys
assert_respond_to h, :stringify_keys!
assert_respond_to h, :to_options
assert_respond_to h, :to_options!
end
def test_symbolize_keys
assert_equal @symbols, @symbols.symbolize_keys
assert_equal @symbols, @strings.symbolize_keys
assert_equal @symbols, @mixed.symbolize_keys
assert_raises(NoMethodError) { { [] => 1 }.symbolize_keys }
end
def test_symbolize_keys!
assert_equal @symbols, @symbols.dup.symbolize_keys!
assert_equal @symbols, @strings.dup.symbolize_keys!
assert_equal @symbols, @mixed.dup.symbolize_keys!
assert_raises(NoMethodError) { { [] => 1 }.symbolize_keys! }
end
def test_stringify_keys
assert_equal @strings, @symbols.stringify_keys
assert_equal @strings, @strings.stringify_keys
assert_equal @strings, @mixed.stringify_keys
end
def test_stringify_keys!
assert_equal @strings, @symbols.dup.stringify_keys!
assert_equal @strings, @strings.dup.stringify_keys!
assert_equal @strings, @mixed.dup.stringify_keys!
end
def test_indifferent_access
@strings = @strings.with_indifferent_access
@symbols = @symbols.with_indifferent_access
@mixed = @mixed.with_indifferent_access
assert_equal @strings[:a], @strings["a"]
assert_equal @symbols[:a], @symbols["a"]
assert_equal @strings["b"], @mixed["b"]
assert_equal @strings[:b], @mixed["b"]
end
def test_assert_valid_keys
assert_nothing_raised do
{ :failure => "stuff", :funny => "business" }.assert_valid_keys([ :failure, :funny ])
end
assert_raises(ArgumentError, "Unknown key(s): failore") do
{ :failore => "stuff", :funny => "business" }.assert_valid_keys([ :failure, :funny ])
end
end
end