diff options
Diffstat (limited to 'activesupport/test/core_ext/hash_ext_test.rb')
| -rw-r--r-- | activesupport/test/core_ext/hash_ext_test.rb | 283 |
1 files changed, 266 insertions, 17 deletions
diff --git a/activesupport/test/core_ext/hash_ext_test.rb b/activesupport/test/core_ext/hash_ext_test.rb index c378dcd01d..3d2f50ce49 100644 --- a/activesupport/test/core_ext/hash_ext_test.rb +++ b/activesupport/test/core_ext/hash_ext_test.rb @@ -8,7 +8,7 @@ require 'active_support/core_ext/object/deep_dup' require 'active_support/inflections' class HashExtTest < ActiveSupport::TestCase - class IndifferentHash < HashWithIndifferentAccess + class IndifferentHash < ActiveSupport::HashWithIndifferentAccess end class SubclassingArray < Array @@ -23,6 +23,16 @@ class HashExtTest < ActiveSupport::TestCase end end + class HashByConversion + def initialize(hash) + @hash = hash + end + + def to_hash + @hash + end + end + def setup @strings = { 'a' => 1, 'b' => 2 } @nested_strings = { 'a' => { 'b' => { 'c' => 3 } } } @@ -36,6 +46,10 @@ class HashExtTest < ActiveSupport::TestCase @nested_illegal_symbols = { [] => { [] => 3} } @upcase_strings = { 'A' => 1, 'B' => 2 } @nested_upcase_strings = { 'A' => { 'B' => { 'C' => 3 } } } + @string_array_of_hashes = { 'a' => [ { 'b' => 2 }, { 'c' => 3 }, 4 ] } + @symbol_array_of_hashes = { :a => [ { :b => 2 }, { :c => 3 }, 4 ] } + @mixed_array_of_hashes = { :a => [ { :b => 2 }, { 'c' => 3 }, 4 ] } + @upcase_array_of_hashes = { 'A' => [ { 'B' => 2 }, { 'C' => 3 }, 4 ] } end def test_methods @@ -54,6 +68,10 @@ class HashExtTest < ActiveSupport::TestCase assert_respond_to h, :deep_stringify_keys! assert_respond_to h, :to_options assert_respond_to h, :to_options! + assert_respond_to h, :compact + assert_respond_to h, :compact! + assert_respond_to h, :except + assert_respond_to h, :except! end def test_transform_keys @@ -72,6 +90,9 @@ class HashExtTest < ActiveSupport::TestCase 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 } + assert_equal @upcase_array_of_hashes, @string_array_of_hashes.deep_transform_keys{ |key| key.to_s.upcase } + assert_equal @upcase_array_of_hashes, @symbol_array_of_hashes.deep_transform_keys{ |key| key.to_s.upcase } + assert_equal @upcase_array_of_hashes, @mixed_array_of_hashes.deep_transform_keys{ |key| key.to_s.upcase } end def test_deep_transform_keys_not_mutates @@ -97,6 +118,9 @@ class HashExtTest < ActiveSupport::TestCase 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 } + assert_equal @upcase_array_of_hashes, @string_array_of_hashes.deep_dup.deep_transform_keys!{ |key| key.to_s.upcase } + assert_equal @upcase_array_of_hashes, @symbol_array_of_hashes.deep_dup.deep_transform_keys!{ |key| key.to_s.upcase } + assert_equal @upcase_array_of_hashes, @mixed_array_of_hashes.deep_dup.deep_transform_keys!{ |key| key.to_s.upcase } end def test_deep_transform_keys_with_bang_mutates @@ -122,6 +146,9 @@ class HashExtTest < ActiveSupport::TestCase 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 + assert_equal @symbol_array_of_hashes, @string_array_of_hashes.deep_symbolize_keys + assert_equal @symbol_array_of_hashes, @symbol_array_of_hashes.deep_symbolize_keys + assert_equal @symbol_array_of_hashes, @mixed_array_of_hashes.deep_symbolize_keys end def test_deep_symbolize_keys_not_mutates @@ -147,6 +174,9 @@ class HashExtTest < ActiveSupport::TestCase 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! + assert_equal @symbol_array_of_hashes, @string_array_of_hashes.deep_dup.deep_symbolize_keys! + assert_equal @symbol_array_of_hashes, @symbol_array_of_hashes.deep_dup.deep_symbolize_keys! + assert_equal @symbol_array_of_hashes, @mixed_array_of_hashes.deep_dup.deep_symbolize_keys! end def test_deep_symbolize_keys_with_bang_mutates @@ -192,6 +222,9 @@ class HashExtTest < ActiveSupport::TestCase 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 + assert_equal @string_array_of_hashes, @string_array_of_hashes.deep_stringify_keys + assert_equal @string_array_of_hashes, @symbol_array_of_hashes.deep_stringify_keys + assert_equal @string_array_of_hashes, @mixed_array_of_hashes.deep_stringify_keys end def test_deep_stringify_keys_not_mutates @@ -217,6 +250,9 @@ class HashExtTest < ActiveSupport::TestCase 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! + assert_equal @string_array_of_hashes, @string_array_of_hashes.deep_dup.deep_stringify_keys! + assert_equal @string_array_of_hashes, @symbol_array_of_hashes.deep_dup.deep_stringify_keys! + assert_equal @string_array_of_hashes, @mixed_array_of_hashes.deep_dup.deep_stringify_keys! end def test_deep_stringify_keys_with_bang_mutates @@ -329,7 +365,7 @@ class HashExtTest < ActiveSupport::TestCase :member? => true } hashes.each do |name, hash| - method_map.sort_by { |m| m.to_s }.each do |meth, expected| + method_map.sort_by(&:to_s).each do |meth, expected| assert_equal(expected, hash.__send__(meth, 'a'), "Calling #{name}.#{meth} 'a'") assert_equal(expected, hash.__send__(meth, :a), @@ -409,6 +445,12 @@ class HashExtTest < ActiveSupport::TestCase assert [updated_with_strings, updated_with_symbols, updated_with_mixed].all? { |h| h.keys.size == 2 } end + def test_update_with_to_hash_conversion + hash = HashWithIndifferentAccess.new + hash.update HashByConversion.new({ :a => 1 }) + assert_equal hash['a'], 1 + end + def test_indifferent_merging hash = HashWithIndifferentAccess.new hash[:a] = 'failure' @@ -428,6 +470,12 @@ class HashExtTest < ActiveSupport::TestCase assert_equal 2, hash['b'] end + def test_merge_with_to_hash_conversion + hash = HashWithIndifferentAccess.new + merged = hash.merge HashByConversion.new({ :a => 1 }) + assert_equal merged['a'], 1 + end + def test_indifferent_replace hash = HashWithIndifferentAccess.new hash[:a] = 42 @@ -440,6 +488,18 @@ class HashExtTest < ActiveSupport::TestCase assert_same hash, replaced end + def test_replace_with_to_hash_conversion + hash = HashWithIndifferentAccess.new + hash[:a] = 42 + + replaced = hash.replace(HashByConversion.new(b: 12)) + + assert hash.key?('b') + assert !hash.key?(:a) + assert_equal 12, hash[:b] + assert_same hash, replaced + end + def test_indifferent_merging_with_block hash = HashWithIndifferentAccess.new hash[:a] = 1 @@ -480,6 +540,42 @@ class HashExtTest < ActiveSupport::TestCase assert_equal hash.delete('a'), nil end + def test_indifferent_select + hash = ActiveSupport::HashWithIndifferentAccess.new(@strings).select {|k,v| v == 1} + + assert_equal({ 'a' => 1 }, hash) + assert_instance_of ActiveSupport::HashWithIndifferentAccess, hash + end + + def test_indifferent_select_returns_a_hash_when_unchanged + hash = ActiveSupport::HashWithIndifferentAccess.new(@strings).select {|k,v| true} + + assert_instance_of ActiveSupport::HashWithIndifferentAccess, hash + end + + def test_indifferent_select_bang + indifferent_strings = ActiveSupport::HashWithIndifferentAccess.new(@strings) + indifferent_strings.select! {|k,v| v == 1} + + assert_equal({ 'a' => 1 }, indifferent_strings) + assert_instance_of ActiveSupport::HashWithIndifferentAccess, indifferent_strings + end + + def test_indifferent_reject + hash = ActiveSupport::HashWithIndifferentAccess.new(@strings).reject {|k,v| v != 1} + + assert_equal({ 'a' => 1 }, hash) + assert_instance_of ActiveSupport::HashWithIndifferentAccess, hash + end + + def test_indifferent_reject_bang + indifferent_strings = ActiveSupport::HashWithIndifferentAccess.new(@strings) + indifferent_strings.reject! {|k,v| v != 1} + + assert_equal({ 'a' => 1 }, indifferent_strings) + assert_instance_of ActiveSupport::HashWithIndifferentAccess, indifferent_strings + end + def test_indifferent_to_hash # Should convert to a Hash with String keys. assert_equal @strings, @mixed.with_indifferent_access.to_hash @@ -490,6 +586,12 @@ class HashExtTest < ActiveSupport::TestCase roundtrip = mixed_with_default.with_indifferent_access.to_hash assert_equal @strings, roundtrip assert_equal '1234', roundtrip.default + + # Ensure nested hashes are not HashWithIndiffereneAccess + new_to_hash = @nested_mixed.with_indifferent_access.to_hash + assert_not new_to_hash.instance_of?(HashWithIndifferentAccess) + assert_not new_to_hash["a"].instance_of?(HashWithIndifferentAccess) + assert_not new_to_hash["a"]["b"].instance_of?(HashWithIndifferentAccess) end def test_lookup_returns_the_same_object_that_is_stored_in_hash_indifferent_access @@ -499,9 +601,21 @@ class HashExtTest < ActiveSupport::TestCase assert_equal [1], hash[:a] end + def test_with_indifferent_access_has_no_side_effects_on_existing_hash + hash = {content: [{:foo => :bar, 'bar' => 'baz'}]} + hash.with_indifferent_access + + assert_equal [:foo, "bar"], hash[:content].first.keys + end + def test_indifferent_hash_with_array_of_hashes hash = { "urls" => { "url" => [ { "address" => "1" }, { "address" => "2" } ] }}.with_indifferent_access assert_equal "1", hash[:urls][:url].first[:address] + + hash = hash.to_hash + assert_not hash.instance_of?(HashWithIndifferentAccess) + assert_not hash["urls"].instance_of?(HashWithIndifferentAccess) + assert_not hash["urls"]["url"].first.instance_of?(HashWithIndifferentAccess) end def test_should_preserve_array_subclass_when_value_is_array @@ -547,7 +661,15 @@ class HashExtTest < ActiveSupport::TestCase assert_equal 1, h['first'] end - def test_indifferent_subhashes + def test_to_options_on_indifferent_preserves_works_as_hash_with_dup + h = HashWithIndifferentAccess.new({ a: { b: 'b' } }) + dup = h.dup + + dup[:a][:c] = 'c' + assert_equal 'c', h[:a][:c] + end + + def test_indifferent_sub_hashes h = {'user' => {'id' => 5}}.with_indifferent_access ['user', :user].each {|user| [:id, 'id'].each {|id| assert_equal 5, h[user][id], "h[#{user.inspect}][#{id.inspect}] should be 5"}} @@ -571,11 +693,31 @@ class HashExtTest < ActiveSupport::TestCase { :failure => "stuff", :funny => "business" }.assert_valid_keys([ :failure, :funny ]) { :failure => "stuff", :funny => "business" }.assert_valid_keys(:failure, :funny) end + # not all valid keys are required to be present + assert_nothing_raised do + { :failure => "stuff", :funny => "business" }.assert_valid_keys([ :failure, :funny, :sunny ]) + { :failure => "stuff", :funny => "business" }.assert_valid_keys(:failure, :funny, :sunny) + end - assert_raise(ArgumentError, "Unknown key: failore") do + exception = assert_raise ArgumentError do { :failore => "stuff", :funny => "business" }.assert_valid_keys([ :failure, :funny ]) + end + assert_equal "Unknown key: :failore. Valid keys are: :failure, :funny", exception.message + + exception = assert_raise ArgumentError do { :failore => "stuff", :funny => "business" }.assert_valid_keys(:failure, :funny) end + assert_equal "Unknown key: :failore. Valid keys are: :failure, :funny", exception.message + + exception = assert_raise ArgumentError do + { :failore => "stuff", :funny => "business" }.assert_valid_keys([ :failure ]) + end + assert_equal "Unknown key: :failore. Valid keys are: :failure", exception.message + + exception = assert_raise ArgumentError do + { :failore => "stuff", :funny => "business" }.assert_valid_keys(:failure) + end + assert_equal "Unknown key: :failore. Valid keys are: :failure", exception.message end def test_assorted_keys_not_stringified @@ -604,6 +746,16 @@ class HashExtTest < ActiveSupport::TestCase assert_equal expected, hash_1 end + def test_deep_merge_with_falsey_values + hash_1 = { e: false } + hash_2 = { e: 'e' } + expected = { e: [:e, false, 'e'] } + assert_equal(expected, hash_1.deep_merge(hash_2) { |k, o, n| [k, o, n] }) + + hash_1.deep_merge!(hash_2) { |k, o, n| [k, o, n] } + assert_equal expected, hash_1 + end + def test_deep_merge_on_indifferent_access hash_1 = HashWithIndifferentAccess.new({ :a => "a", :b => "b", :c => { :c1 => "c1", :c2 => "c2", :c3 => { :d1 => "d1" } } }) hash_2 = HashWithIndifferentAccess.new({ :a => 1, :c => { :c1 => 2, :c3 => { :d2 => "d2" } } }) @@ -655,12 +807,6 @@ class HashExtTest < ActiveSupport::TestCase assert_equal expected, merged end - def test_diff - assert_deprecated do - assert_equal({ :a => 2 }, { :a => 2, :b => 5 }.diff({ :a => 1, :b => 5 })) - end - end - def test_slice original = { :a => 'x', :b => 'y', :c => 10 } expected = { :a => 'x', :b => 'y' } @@ -735,6 +881,24 @@ class HashExtTest < ActiveSupport::TestCase assert_equal 'bender', slice['login'] end + def test_slice_bang_does_not_override_default + hash = Hash.new(0) + hash.update(a: 1, b: 2) + + hash.slice!(:a) + + assert_equal 0, hash[:c] + end + + def test_slice_bang_does_not_override_default_proc + hash = Hash.new { |h, k| h[k] = [] } + hash.update(a: 1, b: 2) + + hash.slice!(:a) + + assert_equal [], hash[:c] + end + def test_extract original = {:a => 1, :b => 2, :c => 3, :d => 4} expected = {:a => 1, :b => 2} @@ -782,13 +946,19 @@ class HashExtTest < ActiveSupport::TestCase 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) + + assert_equal expected, original.except!(:b, :c) + assert_equal expected, original end def test_except_with_original_frozen original = { :a => 'x', :b => 'y' } original.freeze assert_nothing_raised { original.except(:a) } + + assert_raise(RuntimeError) { original.except!(:a) } end def test_except_with_mocha_expectation_on_original @@ -796,6 +966,38 @@ class HashExtTest < ActiveSupport::TestCase original.expects(:delete).never original.except(:a) end + + def test_compact + hash_contain_nil_value = @symbols.merge(z: nil) + hash_with_only_nil_values = { a: nil, b: nil } + + h = hash_contain_nil_value.dup + assert_equal(@symbols, h.compact) + assert_equal(hash_contain_nil_value, h) + + h = hash_with_only_nil_values.dup + assert_equal({}, h.compact) + assert_equal(hash_with_only_nil_values, h) + end + + def test_compact! + hash_contain_nil_value = @symbols.merge(z: nil) + hash_with_only_nil_values = { a: nil, b: nil } + + h = hash_contain_nil_value.dup + assert_equal(@symbols, h.compact!) + assert_equal(@symbols, h) + + h = hash_with_only_nil_values.dup + assert_equal({}, h.compact!) + assert_equal({}, h) + end + + def test_new_with_to_hash_conversion + hash = HashWithIndifferentAccess.new(HashByConversion.new(a: 1)) + assert hash.key?('a') + assert_equal 1, hash[:a] + end end class IWriteMyOwnXML @@ -1015,12 +1217,10 @@ class HashToXmlTest < ActiveSupport::TestCase <replies-close-in type="integer">2592000000</replies-close-in> <written-on type="date">2003-07-16</written-on> <viewed-at type="datetime">2003-07-16T09:28:00+0000</viewed-at> - <content type="yaml">--- \n1: should be an integer\n:message: Have a nice day\narray: \n- should-have-dashes: true\n should_have_underscores: true\n</content> <author-email-address>david@loudthinking.com</author-email-address> <parent-id></parent-id> <ad-revenue type="decimal">1.5</ad-revenue> <optimum-viewing-angle type="float">135</optimum-viewing-angle> - <resident type="symbol">yes</resident> </topic> EOT @@ -1033,12 +1233,10 @@ class HashToXmlTest < ActiveSupport::TestCase :replies_close_in => 2592000000, :written_on => Date.new(2003, 7, 16), :viewed_at => Time.utc(2003, 7, 16, 9, 28), - :content => { :message => "Have a nice day", 1 => "should be an integer", "array" => [{ "should-have-dashes" => true, "should_have_underscores" => true }] }, :author_email_address => "david@loudthinking.com", :parent_id => nil, :ad_revenue => BigDecimal("1.50"), :optimum_viewing_angle => 135.0, - :resident => :yes }.stringify_keys assert_equal expected_topic_hash, Hash.from_xml(topic_xml)["topic"] @@ -1052,7 +1250,6 @@ class HashToXmlTest < ActiveSupport::TestCase <approved type="boolean"></approved> <written-on type="date"></written-on> <viewed-at type="datetime"></viewed-at> - <content type="yaml"></content> <parent-id></parent-id> </topic> EOT @@ -1063,7 +1260,6 @@ class HashToXmlTest < ActiveSupport::TestCase :approved => nil, :written_on => nil, :viewed_at => nil, - :content => nil, :parent_id => nil }.stringify_keys @@ -1290,6 +1486,48 @@ class HashToXmlTest < ActiveSupport::TestCase assert_equal expected_product_hash, Hash.from_xml(product_xml)["product"] end + def test_from_xml_raises_on_disallowed_type_attributes + assert_raise ActiveSupport::XMLConverter::DisallowedType do + Hash.from_xml '<product><name type="foo">value</name></product>', %w(foo) + end + end + + def test_from_xml_disallows_symbol_and_yaml_types_by_default + assert_raise ActiveSupport::XMLConverter::DisallowedType do + Hash.from_xml '<product><name type="symbol">value</name></product>' + end + + assert_raise ActiveSupport::XMLConverter::DisallowedType do + Hash.from_xml '<product><name type="yaml">value</name></product>' + end + end + + def test_from_xml_array_one + expected = { 'numbers' => { 'type' => 'Array', 'value' => '1' }} + assert_equal expected, Hash.from_xml('<numbers type="Array"><value>1</value></numbers>') + end + + def test_from_xml_array_many + expected = { 'numbers' => { 'type' => 'Array', 'value' => [ '1', '2' ] }} + assert_equal expected, Hash.from_xml('<numbers type="Array"><value>1</value><value>2</value></numbers>') + end + + def test_from_trusted_xml_allows_symbol_and_yaml_types + expected = { 'product' => { 'name' => :value }} + assert_equal expected, Hash.from_trusted_xml('<product><name type="symbol">value</name></product>') + assert_equal expected, Hash.from_trusted_xml('<product><name type="yaml">:value</name></product>') + end + + def test_should_use_default_proc_for_unknown_key + hash_wia = HashWithIndifferentAccess.new { 1 + 2 } + assert_equal 3, hash_wia[:new_key] + end + + def test_should_use_default_proc_if_no_key_is_supplied + hash_wia = HashWithIndifferentAccess.new { 1 + 2 } + assert_equal 3, hash_wia.default + end + def test_should_use_default_value_for_unknown_key hash_wia = HashWithIndifferentAccess.new(3) assert_equal 3, hash_wia[:new_key] @@ -1317,6 +1555,17 @@ class HashToXmlTest < ActiveSupport::TestCase assert_equal 3, hash_wia.default end + def test_should_copy_the_default_proc_when_converting_to_hash_with_indifferent_access + hash = Hash.new do + 2 + 1 + end + assert_equal 3, hash[:foo] + + hash_wia = hash.with_indifferent_access + assert_equal 3, hash_wia[:foo] + assert_equal 3, hash_wia[:bar] + end + # The XML builder seems to fail miserably when trying to tag something # with the same name as a Kernel method (throw, test, loop, select ...) def test_kernel_method_names_to_xml @@ -1330,7 +1579,7 @@ class HashToXmlTest < ActiveSupport::TestCase def test_empty_string_works_for_typecast_xml_value assert_nothing_raised do - Hash.__send__(:typecast_xml_value, "") + ActiveSupport::XMLConverter.new("").to_h end end |