diff options
Diffstat (limited to 'activesupport/test/core_ext/hash_ext_test.rb')
| -rw-r--r-- | activesupport/test/core_ext/hash_ext_test.rb | 201 |
1 files changed, 198 insertions, 3 deletions
diff --git a/activesupport/test/core_ext/hash_ext_test.rb b/activesupport/test/core_ext/hash_ext_test.rb index 2d0c56bef5..e10bee5e00 100644 --- a/activesupport/test/core_ext/hash_ext_test.rb +++ b/activesupport/test/core_ext/hash_ext_test.rb @@ -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 @@ -526,6 +586,8 @@ 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) @@ -599,7 +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"}} @@ -623,11 +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 @@ -656,6 +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" } } }) @@ -781,6 +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} @@ -828,13 +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 @@ -842,6 +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 @@ -1346,12 +1502,32 @@ class HashToXmlTest < ActiveSupport::TestCase 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] @@ -1373,12 +1549,31 @@ class HashToXmlTest < ActiveSupport::TestCase assert_not_same hash_wia, hash_wia.with_indifferent_access end + + def test_allows_setting_frozen_array_values_with_indifferent_access + value = [1, 2, 3].freeze + hash = HashWithIndifferentAccess.new + hash[:key] = value + assert_equal hash[:key], value + end + def test_should_copy_the_default_value_when_converting_to_hash_with_indifferent_access hash = Hash.new(3) hash_wia = hash.with_indifferent_access 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 |