diff options
Diffstat (limited to 'activesupport/test/core_ext/hash_ext_test.rb')
| -rw-r--r-- | activesupport/test/core_ext/hash_ext_test.rb | 248 |
1 files changed, 228 insertions, 20 deletions
diff --git a/activesupport/test/core_ext/hash_ext_test.rb b/activesupport/test/core_ext/hash_ext_test.rb index a0f261ebdb..5d422ce5ad 100644 --- a/activesupport/test/core_ext/hash_ext_test.rb +++ b/activesupport/test/core_ext/hash_ext_test.rb @@ -4,6 +4,7 @@ require 'bigdecimal' require 'active_support/core_ext/string/access' require 'active_support/ordered_hash' require 'active_support/core_ext/object/conversions' +require 'active_support/core_ext/object/deep_dup' require 'active_support/inflections' class HashExtTest < ActiveSupport::TestCase @@ -24,56 +25,207 @@ class HashExtTest < ActiveSupport::TestCase def setup @strings = { 'a' => 1, 'b' => 2 } + @nested_strings = { 'a' => { 'b' => { 'c' => 3 } } } @symbols = { :a => 1, :b => 2 } + @nested_symbols = { :a => { :b => { :c => 3 } } } @mixed = { :a => 1, 'b' => 2 } + @nested_mixed = { 'a' => { :b => { 'c' => 3 } } } @fixnums = { 0 => 1, 1 => 2 } + @nested_fixnums = { 0 => { 1 => { 2 => 3} } } @illegal_symbols = { [] => 3 } + @nested_illegal_symbols = { [] => { [] => 3} } + @upcase_strings = { 'A' => 1, 'B' => 2 } + @nested_upcase_strings = { 'A' => { 'B' => { 'C' => 3 } } } end def test_methods h = {} + assert_respond_to h, :transform_keys + assert_respond_to h, :transform_keys! + assert_respond_to h, :deep_transform_keys + assert_respond_to h, :deep_transform_keys! assert_respond_to h, :symbolize_keys assert_respond_to h, :symbolize_keys! + assert_respond_to h, :deep_symbolize_keys + assert_respond_to h, :deep_symbolize_keys! assert_respond_to h, :stringify_keys assert_respond_to h, :stringify_keys! + assert_respond_to h, :deep_stringify_keys + assert_respond_to h, :deep_stringify_keys! assert_respond_to h, :to_options assert_respond_to h, :to_options! end + def test_transform_keys + assert_equal @upcase_strings, @strings.transform_keys{ |key| key.to_s.upcase } + assert_equal @upcase_strings, @symbols.transform_keys{ |key| key.to_s.upcase } + assert_equal @upcase_strings, @mixed.transform_keys{ |key| key.to_s.upcase } + end + + def test_transform_keys_not_mutates + transformed_hash = @mixed.dup + transformed_hash.transform_keys{ |key| key.to_s.upcase } + assert_equal @mixed, transformed_hash + end + + def test_deep_transform_keys + assert_equal @nested_upcase_strings, @nested_symbols.deep_transform_keys{ |key| key.to_s.upcase } + assert_equal @nested_upcase_strings, @nested_strings.deep_transform_keys{ |key| key.to_s.upcase } + assert_equal @nested_upcase_strings, @nested_mixed.deep_transform_keys{ |key| key.to_s.upcase } + end + + def test_deep_transform_keys_not_mutates + transformed_hash = @nested_mixed.deep_dup + transformed_hash.deep_transform_keys{ |key| key.to_s.upcase } + assert_equal @nested_mixed, transformed_hash + end + + def test_transform_keys! + assert_equal @upcase_strings, @symbols.dup.transform_keys!{ |key| key.to_s.upcase } + assert_equal @upcase_strings, @strings.dup.transform_keys!{ |key| key.to_s.upcase } + assert_equal @upcase_strings, @mixed.dup.transform_keys!{ |key| key.to_s.upcase } + end + + def test_transform_keys_with_bang_mutates + transformed_hash = @mixed.dup + transformed_hash.transform_keys!{ |key| key.to_s.upcase } + assert_equal @upcase_strings, transformed_hash + assert_equal @mixed, { :a => 1, "b" => 2 } + end + + def test_deep_transform_keys! + assert_equal @nested_upcase_strings, @nested_symbols.deep_dup.deep_transform_keys!{ |key| key.to_s.upcase } + assert_equal @nested_upcase_strings, @nested_strings.deep_dup.deep_transform_keys!{ |key| key.to_s.upcase } + assert_equal @nested_upcase_strings, @nested_mixed.deep_dup.deep_transform_keys!{ |key| key.to_s.upcase } + end + + def test_deep_transform_keys_with_bang_mutates + transformed_hash = @nested_mixed.deep_dup + transformed_hash.deep_transform_keys!{ |key| key.to_s.upcase } + assert_equal @nested_upcase_strings, transformed_hash + assert_equal @nested_mixed, { 'a' => { :b => { 'c' => 3 } } } + end + def test_symbolize_keys assert_equal @symbols, @symbols.symbolize_keys assert_equal @symbols, @strings.symbolize_keys assert_equal @symbols, @mixed.symbolize_keys end + def test_symbolize_keys_not_mutates + transformed_hash = @mixed.dup + transformed_hash.symbolize_keys + assert_equal @mixed, transformed_hash + end + + def test_deep_symbolize_keys + assert_equal @nested_symbols, @nested_symbols.deep_symbolize_keys + assert_equal @nested_symbols, @nested_strings.deep_symbolize_keys + assert_equal @nested_symbols, @nested_mixed.deep_symbolize_keys + end + + def test_deep_symbolize_keys_not_mutates + transformed_hash = @nested_mixed.deep_dup + transformed_hash.deep_symbolize_keys + assert_equal @nested_mixed, transformed_hash + 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! end + def test_symbolize_keys_with_bang_mutates + transformed_hash = @mixed.dup + transformed_hash.deep_symbolize_keys! + assert_equal @symbols, transformed_hash + assert_equal @mixed, { :a => 1, "b" => 2 } + end + + def test_deep_symbolize_keys! + assert_equal @nested_symbols, @nested_symbols.deep_dup.deep_symbolize_keys! + assert_equal @nested_symbols, @nested_strings.deep_dup.deep_symbolize_keys! + assert_equal @nested_symbols, @nested_mixed.deep_dup.deep_symbolize_keys! + end + + def test_deep_symbolize_keys_with_bang_mutates + transformed_hash = @nested_mixed.deep_dup + transformed_hash.deep_symbolize_keys! + assert_equal @nested_symbols, transformed_hash + assert_equal @nested_mixed, { 'a' => { :b => { 'c' => 3 } } } + end + def test_symbolize_keys_preserves_keys_that_cant_be_symbolized assert_equal @illegal_symbols, @illegal_symbols.symbolize_keys assert_equal @illegal_symbols, @illegal_symbols.dup.symbolize_keys! end + def test_deep_symbolize_keys_preserves_keys_that_cant_be_symbolized + assert_equal @nested_illegal_symbols, @nested_illegal_symbols.deep_symbolize_keys + assert_equal @nested_illegal_symbols, @nested_illegal_symbols.deep_dup.deep_symbolize_keys! + end + def test_symbolize_keys_preserves_fixnum_keys assert_equal @fixnums, @fixnums.symbolize_keys assert_equal @fixnums, @fixnums.dup.symbolize_keys! end + def test_deep_symbolize_keys_preserves_fixnum_keys + assert_equal @nested_fixnums, @nested_fixnums.deep_symbolize_keys + assert_equal @nested_fixnums, @nested_fixnums.deep_dup.deep_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_not_mutates + transformed_hash = @mixed.dup + transformed_hash.stringify_keys + assert_equal @mixed, transformed_hash + end + + def test_deep_stringify_keys + assert_equal @nested_strings, @nested_symbols.deep_stringify_keys + assert_equal @nested_strings, @nested_strings.deep_stringify_keys + assert_equal @nested_strings, @nested_mixed.deep_stringify_keys + end + + def test_deep_stringify_keys_not_mutates + transformed_hash = @nested_mixed.deep_dup + transformed_hash.deep_stringify_keys + assert_equal @nested_mixed, transformed_hash + 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_stringify_keys_with_bang_mutates + transformed_hash = @mixed.dup + transformed_hash.stringify_keys! + assert_equal @strings, transformed_hash + assert_equal @mixed, { :a => 1, "b" => 2 } + end + + def test_deep_stringify_keys! + assert_equal @nested_strings, @nested_symbols.deep_dup.deep_stringify_keys! + assert_equal @nested_strings, @nested_strings.deep_dup.deep_stringify_keys! + assert_equal @nested_strings, @nested_mixed.deep_dup.deep_stringify_keys! + end + + def test_deep_stringify_keys_with_bang_mutates + transformed_hash = @nested_mixed.deep_dup + transformed_hash.deep_stringify_keys! + assert_equal @nested_strings, transformed_hash + assert_equal @nested_mixed, { 'a' => { :b => { 'c' => 3 } } } + end + def test_symbolize_keys_for_hash_with_indifferent_access assert_instance_of Hash, @symbols.with_indifferent_access.symbolize_keys assert_equal @symbols, @symbols.with_indifferent_access.symbolize_keys @@ -81,22 +233,46 @@ class HashExtTest < ActiveSupport::TestCase assert_equal @symbols, @mixed.with_indifferent_access.symbolize_keys end + def test_deep_symbolize_keys_for_hash_with_indifferent_access + assert_instance_of Hash, @nested_symbols.with_indifferent_access.deep_symbolize_keys + assert_equal @nested_symbols, @nested_symbols.with_indifferent_access.deep_symbolize_keys + assert_equal @nested_symbols, @nested_strings.with_indifferent_access.deep_symbolize_keys + assert_equal @nested_symbols, @nested_mixed.with_indifferent_access.deep_symbolize_keys + end + + def test_symbolize_keys_bang_for_hash_with_indifferent_access assert_raise(NoMethodError) { @symbols.with_indifferent_access.dup.symbolize_keys! } assert_raise(NoMethodError) { @strings.with_indifferent_access.dup.symbolize_keys! } assert_raise(NoMethodError) { @mixed.with_indifferent_access.dup.symbolize_keys! } end + def test_deep_symbolize_keys_bang_for_hash_with_indifferent_access + assert_raise(NoMethodError) { @nested_symbols.with_indifferent_access.deep_dup.deep_symbolize_keys! } + assert_raise(NoMethodError) { @nested_strings.with_indifferent_access.deep_dup.deep_symbolize_keys! } + assert_raise(NoMethodError) { @nested_mixed.with_indifferent_access.deep_dup.deep_symbolize_keys! } + end + def test_symbolize_keys_preserves_keys_that_cant_be_symbolized_for_hash_with_indifferent_access assert_equal @illegal_symbols, @illegal_symbols.with_indifferent_access.symbolize_keys assert_raise(NoMethodError) { @illegal_symbols.with_indifferent_access.dup.symbolize_keys! } end + def test_deep_symbolize_keys_preserves_keys_that_cant_be_symbolized_for_hash_with_indifferent_access + assert_equal @nested_illegal_symbols, @nested_illegal_symbols.with_indifferent_access.deep_symbolize_keys + assert_raise(NoMethodError) { @nested_illegal_symbols.with_indifferent_access.deep_dup.deep_symbolize_keys! } + end + def test_symbolize_keys_preserves_fixnum_keys_for_hash_with_indifferent_access assert_equal @fixnums, @fixnums.with_indifferent_access.symbolize_keys assert_raise(NoMethodError) { @fixnums.with_indifferent_access.dup.symbolize_keys! } end + def test_deep_symbolize_keys_preserves_fixnum_keys_for_hash_with_indifferent_access + assert_equal @nested_fixnums, @nested_fixnums.with_indifferent_access.deep_symbolize_keys + assert_raise(NoMethodError) { @nested_fixnums.with_indifferent_access.deep_dup.deep_symbolize_keys! } + end + def test_stringify_keys_for_hash_with_indifferent_access assert_instance_of ActiveSupport::HashWithIndifferentAccess, @symbols.with_indifferent_access.stringify_keys assert_equal @strings, @symbols.with_indifferent_access.stringify_keys @@ -104,6 +280,13 @@ class HashExtTest < ActiveSupport::TestCase assert_equal @strings, @mixed.with_indifferent_access.stringify_keys end + def test_deep_stringify_keys_for_hash_with_indifferent_access + assert_instance_of ActiveSupport::HashWithIndifferentAccess, @nested_symbols.with_indifferent_access.deep_stringify_keys + assert_equal @nested_strings, @nested_symbols.with_indifferent_access.deep_stringify_keys + assert_equal @nested_strings, @nested_strings.with_indifferent_access.deep_stringify_keys + assert_equal @nested_strings, @nested_mixed.with_indifferent_access.deep_stringify_keys + end + def test_stringify_keys_bang_for_hash_with_indifferent_access assert_instance_of ActiveSupport::HashWithIndifferentAccess, @symbols.with_indifferent_access.dup.stringify_keys! assert_equal @strings, @symbols.with_indifferent_access.dup.stringify_keys! @@ -111,6 +294,13 @@ class HashExtTest < ActiveSupport::TestCase assert_equal @strings, @mixed.with_indifferent_access.dup.stringify_keys! end + def test_deep_stringify_keys_bang_for_hash_with_indifferent_access + assert_instance_of ActiveSupport::HashWithIndifferentAccess, @nested_symbols.with_indifferent_access.dup.deep_stringify_keys! + assert_equal @nested_strings, @nested_symbols.with_indifferent_access.deep_dup.deep_stringify_keys! + assert_equal @nested_strings, @nested_strings.with_indifferent_access.deep_dup.deep_stringify_keys! + assert_equal @nested_strings, @nested_mixed.with_indifferent_access.deep_dup.deep_stringify_keys! + end + def test_nested_under_indifferent_access foo = { "foo" => SubclassingHash.new.tap { |h| h["bar"] = "baz" } }.with_indifferent_access assert_kind_of ActiveSupport::HashWithIndifferentAccess, foo["foo"] @@ -297,6 +487,17 @@ class HashExtTest < ActiveSupport::TestCase assert_equal 1, h[:first] end + def test_deep_stringify_and_deep_symbolize_keys_on_indifferent_preserves_hash + h = HashWithIndifferentAccess.new + h[:first] = 1 + h = h.deep_stringify_keys + assert_equal 1, h['first'] + h = HashWithIndifferentAccess.new + h['first'] = 1 + h = h.deep_symbolize_keys + assert_equal 1, h[:first] + end + def test_to_options_on_indifferent_preserves_hash h = HashWithIndifferentAccess.new h['first'] = 1 @@ -363,21 +564,6 @@ class HashExtTest < ActiveSupport::TestCase assert_equal expected, hash_1 end - def test_deep_dup - hash = { :a => { :b => 'b' } } - dup = hash.deep_dup - dup[:a][:c] = 'c' - assert_equal nil, hash[:a][:c] - assert_equal 'c', dup[:a][:c] - end - - def test_deep_dup_initialize - zero_hash = Hash.new 0 - hash = { :a => zero_hash } - dup = hash.deep_dup - assert_equal 0, dup[:a][44] - end - def test_store_on_indifferent_access hash = HashWithIndifferentAccess.new hash.store(:test1, 1) @@ -388,6 +574,15 @@ class HashExtTest < ActiveSupport::TestCase assert_equal expected, hash end + def test_constructor_on_indifferent_access + hash = HashWithIndifferentAccess[:foo, 1] + assert_equal 1, hash[:foo] + assert_equal 1, hash['foo'] + hash[:foo] = 3 + assert_equal 3, hash[:foo] + assert_equal 3, hash['foo'] + end + def test_reverse_merge defaults = { :a => "x", :b => "y", :c => 10 }.freeze options = { :a => 1, :b => 2 } @@ -486,19 +681,32 @@ class HashExtTest < ActiveSupport::TestCase assert_equal 'bender', slice['login'] end + def test_extract + original = {:a => 1, :b => 2, :c => 3, :d => 4} + expected = {:a => 1, :b => 2} + + assert_equal expected, original.extract!(:a, :b) + end + def test_except original = { :a => 'x', :b => 'y', :c => 10 } expected = { :a => 'x', :b => 'y' } - # Should return a new hash with only the given keys. + # Should return a new hash without the given keys. assert_equal expected, original.except(:c) assert_not_equal expected, original - # Should replace the hash with only the given keys. + # Should replace the hash without the given keys. assert_equal expected, original.except!(:c) assert_equal expected, original end + def test_except_with_more_than_one_argument + original = { :a => 'x', :b => 'y', :c => 10 } + expected = { :a => 'x' } + assert_equal expected, original.except(:b, :c) + end + def test_except_with_original_frozen original = { :a => 'x', :b => 'y' } original.freeze @@ -550,7 +758,7 @@ class HashExtToParamTests < ActiveSupport::TestCase end def test_to_param_orders_by_key_in_ascending_order - assert_equal 'a=2&b=1&c=0', ActiveSupport::OrderedHash[*%w(b 1 c 0 a 2)].to_param + assert_equal 'a=2&b=1&c=0', Hash[*%w(b 1 c 0 a 2)].to_param end end @@ -665,8 +873,8 @@ class HashToXmlTest < ActiveSupport::TestCase :created_at => Time.utc(1999,2,2), :local_created_at => Time.utc(1999,2,2).in_time_zone('Eastern Time (US & Canada)') }.to_xml(@xml_options) - assert_match %r{<created-at type=\"datetime\">1999-02-02T00:00:00Z</created-at>}, xml - assert_match %r{<local-created-at type=\"datetime\">1999-02-01T19:00:00-05:00</local-created-at>}, xml + assert_match %r{<created-at type=\"dateTime\">1999-02-02T00:00:00Z</created-at>}, xml + assert_match %r{<local-created-at type=\"dateTime\">1999-02-01T19:00:00-05:00</local-created-at>}, xml end def test_multiple_records_from_xml_with_attributes_other_than_type_ignores_them_without_exploding |