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hash_ext_test.rb
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hash_ext_test.rb
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require 'abstract_unit'
require 'active_support/core_ext/hash'
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
class IndifferentHash < ActiveSupport::HashWithIndifferentAccess
end
class SubclassingArray < Array
end
class SubclassingHash < Hash
end
class NonIndifferentHash < Hash
def nested_under_indifferent_access
self
end
end
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
assert_equal @symbols, @strings.with_indifferent_access.symbolize_keys
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
assert_equal @strings, @strings.with_indifferent_access.stringify_keys
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!
assert_equal @strings, @strings.with_indifferent_access.dup.stringify_keys!
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"]
foo = { "foo" => NonIndifferentHash.new.tap { |h| h["bar"] = "baz" } }.with_indifferent_access
assert_kind_of NonIndifferentHash, foo["foo"]
foo = { "foo" => IndifferentHash.new.tap { |h| h["bar"] = "baz" } }.with_indifferent_access
assert_kind_of IndifferentHash, foo["foo"]
end
def test_indifferent_assorted
@strings = @strings.with_indifferent_access
@symbols = @symbols.with_indifferent_access
@mixed = @mixed.with_indifferent_access
assert_equal 'a', @strings.__send__(:convert_key, :a)
assert_equal 1, @strings.fetch('a')
assert_equal 1, @strings.fetch(:a.to_s)
assert_equal 1, @strings.fetch(:a)
hashes = { :@strings => @strings, :@symbols => @symbols, :@mixed => @mixed }
method_map = { :'[]' => 1, :fetch => 1, :values_at => [1],
:has_key? => true, :include? => true, :key? => true,
:member? => true }
hashes.each do |name, hash|
method_map.sort_by { |m| m.to_s }.each do |meth, expected|
assert_equal(expected, hash.__send__(meth, 'a'),
"Calling #{name}.#{meth} 'a'")
assert_equal(expected, hash.__send__(meth, :a),
"Calling #{name}.#{meth} :a")
end
end
assert_equal [1, 2], @strings.values_at('a', 'b')
assert_equal [1, 2], @strings.values_at(:a, :b)
assert_equal [1, 2], @symbols.values_at('a', 'b')
assert_equal [1, 2], @symbols.values_at(:a, :b)
assert_equal [1, 2], @mixed.values_at('a', 'b')
assert_equal [1, 2], @mixed.values_at(:a, :b)
end
def test_indifferent_reading
hash = HashWithIndifferentAccess.new
hash["a"] = 1
hash["b"] = true
hash["c"] = false
hash["d"] = nil
assert_equal 1, hash[:a]
assert_equal true, hash[:b]
assert_equal false, hash[:c]
assert_equal nil, hash[:d]
assert_equal nil, hash[:e]
end
def test_indifferent_reading_with_nonnil_default
hash = HashWithIndifferentAccess.new(1)
hash["a"] = 1
hash["b"] = true
hash["c"] = false
hash["d"] = nil
assert_equal 1, hash[:a]
assert_equal true, hash[:b]
assert_equal false, hash[:c]
assert_equal nil, hash[:d]
assert_equal 1, hash[:e]
end
def test_indifferent_writing
hash = HashWithIndifferentAccess.new
hash[:a] = 1
hash['b'] = 2
hash[3] = 3
assert_equal hash['a'], 1
assert_equal hash['b'], 2
assert_equal hash[:a], 1
assert_equal hash[:b], 2
assert_equal hash[3], 3
end
def test_indifferent_update
hash = HashWithIndifferentAccess.new
hash[:a] = 'a'
hash['b'] = 'b'
updated_with_strings = hash.update(@strings)
updated_with_symbols = hash.update(@symbols)
updated_with_mixed = hash.update(@mixed)
assert_equal updated_with_strings[:a], 1
assert_equal updated_with_strings['a'], 1
assert_equal updated_with_strings['b'], 2
assert_equal updated_with_symbols[:a], 1
assert_equal updated_with_symbols['b'], 2
assert_equal updated_with_symbols[:b], 2
assert_equal updated_with_mixed[:a], 1
assert_equal updated_with_mixed['b'], 2
assert [updated_with_strings, updated_with_symbols, updated_with_mixed].all? { |h| h.keys.size == 2 }
end
def test_indifferent_merging
hash = HashWithIndifferentAccess.new
hash[:a] = 'failure'
hash['b'] = 'failure'
other = { 'a' => 1, :b => 2 }
merged = hash.merge(other)
assert_equal HashWithIndifferentAccess, merged.class
assert_equal 1, merged[:a]
assert_equal 2, merged['b']
hash.update(other)
assert_equal 1, hash[:a]
assert_equal 2, hash['b']
end
def test_indifferent_replace
hash = HashWithIndifferentAccess.new
hash[:a] = 42
replaced = hash.replace(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
hash['b'] = 3
other = { 'a' => 4, :b => 2, 'c' => 10 }
merged = hash.merge(other) { |key, old, new| old > new ? old : new }
assert_equal HashWithIndifferentAccess, merged.class
assert_equal 4, merged[:a]
assert_equal 3, merged['b']
assert_equal 10, merged[:c]
other_indifferent = HashWithIndifferentAccess.new('a' => 9, :b => 2)
merged = hash.merge(other_indifferent) { |key, old, new| old + new }
assert_equal HashWithIndifferentAccess, merged.class
assert_equal 10, merged[:a]
assert_equal 5, merged[:b]
end
def test_indifferent_reverse_merging
hash = HashWithIndifferentAccess.new('some' => 'value', 'other' => 'value')
hash.reverse_merge!(:some => 'noclobber', :another => 'clobber')
assert_equal 'value', hash[:some]
assert_equal 'clobber', hash[:another]
end
def test_indifferent_deleting
get_hash = proc{ { :a => 'foo' }.with_indifferent_access }
hash = get_hash.call
assert_equal hash.delete(:a), 'foo'
assert_equal hash.delete(:a), nil
hash = get_hash.call
assert_equal hash.delete('a'), 'foo'
assert_equal hash.delete('a'), nil
end
def test_indifferent_to_hash
# Should convert to a Hash with String keys.
assert_equal @strings, @mixed.with_indifferent_access.to_hash
# Should preserve the default value.
mixed_with_default = @mixed.dup
mixed_with_default.default = '1234'
roundtrip = mixed_with_default.with_indifferent_access.to_hash
assert_equal @strings, roundtrip
assert_equal '1234', roundtrip.default
end
def test_lookup_returns_the_same_object_that_is_stored_in_hash_indifferent_access
hash = HashWithIndifferentAccess.new {|h, k| h[k] = []}
hash[:a] << 1
assert_equal [1], hash[:a]
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]
end
def test_should_preserve_array_subclass_when_value_is_array
array = SubclassingArray.new
array << { "address" => "1" }
hash = { "urls" => { "url" => array }}.with_indifferent_access
assert_equal SubclassingArray, hash[:urls][:url].class
end
def test_should_preserve_array_class_when_hash_value_is_frozen_array
array = SubclassingArray.new
array << { "address" => "1" }
hash = { "urls" => { "url" => array.freeze }}.with_indifferent_access
assert_equal SubclassingArray, hash[:urls][:url].class
end
def test_stringify_and_symbolize_keys_on_indifferent_preserves_hash
h = HashWithIndifferentAccess.new
h[:first] = 1
h = h.stringify_keys
assert_equal 1, h['first']
h = HashWithIndifferentAccess.new
h['first'] = 1
h = h.symbolize_keys
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
h.to_options!
assert_equal 1, h['first']
end
def test_indifferent_subhashes
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"}}
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"}}
end
def test_indifferent_duplication
# Should preserve default value
h = HashWithIndifferentAccess.new
h.default = '1234'
assert_equal h.default, h.dup.default
# Should preserve class for subclasses
h = IndifferentHash.new
assert_equal h.class, h.dup.class
end
def test_assert_valid_keys
assert_nothing_raised do
{ :failure => "stuff", :funny => "business" }.assert_valid_keys([ :failure, :funny ])
{ :failure => "stuff", :funny => "business" }.assert_valid_keys(:failure, :funny)
end
assert_raise(ArgumentError, "Unknown key: failore") do
{ :failore => "stuff", :funny => "business" }.assert_valid_keys([ :failure, :funny ])
{ :failore => "stuff", :funny => "business" }.assert_valid_keys(:failure, :funny)
end
end
def test_assorted_keys_not_stringified
original = {Object.new => 2, 1 => 2, [] => true}
indiff = original.with_indifferent_access
assert(!indiff.keys.any? {|k| k.kind_of? String}, "A key was converted to a string!")
end
def test_deep_merge
hash_1 = { :a => "a", :b => "b", :c => { :c1 => "c1", :c2 => "c2", :c3 => { :d1 => "d1" } } }
hash_2 = { :a => 1, :c => { :c1 => 2, :c3 => { :d2 => "d2" } } }
expected = { :a => 1, :b => "b", :c => { :c1 => 2, :c2 => "c2", :c3 => { :d1 => "d1", :d2 => "d2" } } }
assert_equal expected, hash_1.deep_merge(hash_2)
hash_1.deep_merge!(hash_2)
assert_equal expected, hash_1
end
def test_deep_merge_with_block
hash_1 = { :a => "a", :b => "b", :c => { :c1 => "c1", :c2 => "c2", :c3 => { :d1 => "d1" } } }
hash_2 = { :a => 1, :c => { :c1 => 2, :c3 => { :d2 => "d2" } } }
expected = { :a => [:a, "a", 1], :b => "b", :c => { :c1 => [:c1, "c1", 2], :c2 => "c2", :c3 => { :d1 => "d1", :d2 => "d2" } } }
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" } } })
hash_3 = { :a => 1, :c => { :c1 => 2, :c3 => { :d2 => "d2" } } }
expected = { "a" => 1, "b" => "b", "c" => { "c1" => 2, "c2" => "c2", "c3" => { "d1" => "d1", "d2" => "d2" } } }
assert_equal expected, hash_1.deep_merge(hash_2)
assert_equal expected, hash_1.deep_merge(hash_3)
hash_1.deep_merge!(hash_2)
assert_equal expected, hash_1
end
def test_store_on_indifferent_access
hash = HashWithIndifferentAccess.new
hash.store(:test1, 1)
hash.store('test1', 11)
hash[:test2] = 2
hash['test2'] = 22
expected = { "test1" => 11, "test2" => 22 }
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 }
expected = { :a => 1, :b => 2, :c => 10 }
# Should merge defaults into options, creating a new hash.
assert_equal expected, options.reverse_merge(defaults)
assert_not_equal expected, options
# Should merge! defaults into options, replacing options.
merged = options.dup
assert_equal expected, merged.reverse_merge!(defaults)
assert_equal expected, merged
# Should be an alias for reverse_merge!
merged = options.dup
assert_equal expected, merged.reverse_update(defaults)
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' }
# Should return a new hash with only the given keys.
assert_equal expected, original.slice(:a, :b)
assert_not_equal expected, original
end
def test_slice_inplace
original = { :a => 'x', :b => 'y', :c => 10 }
expected = { :c => 10 }
# Should replace the hash with only the given keys.
assert_equal expected, original.slice!(:a, :b)
end
def test_slice_with_an_array_key
original = { :a => 'x', :b => 'y', :c => 10, [:a, :b] => "an array key" }
expected = { [:a, :b] => "an array key", :c => 10 }
# Should return a new hash with only the given keys when given an array key.
assert_equal expected, original.slice([:a, :b], :c)
assert_not_equal expected, original
end
def test_slice_inplace_with_an_array_key
original = { :a => 'x', :b => 'y', :c => 10, [:a, :b] => "an array key" }
expected = { :a => 'x', :b => 'y' }
# Should replace the hash with only the given keys when given an array key.
assert_equal expected, original.slice!([:a, :b], :c)
end
def test_slice_with_splatted_keys
original = { :a => 'x', :b => 'y', :c => 10, [:a, :b] => "an array key" }
expected = { :a => 'x', :b => "y" }
# Should grab each of the splatted keys.
assert_equal expected, original.slice(*[:a, :b])
end
def test_indifferent_slice
original = { :a => 'x', :b => 'y', :c => 10 }.with_indifferent_access
expected = { :a => 'x', :b => 'y' }.with_indifferent_access
[['a', 'b'], [:a, :b]].each do |keys|
# Should return a new hash with only the given keys.
assert_equal expected, original.slice(*keys), keys.inspect
assert_not_equal expected, original
end
end
def test_indifferent_slice_inplace
original = { :a => 'x', :b => 'y', :c => 10 }.with_indifferent_access
expected = { :c => 10 }.with_indifferent_access
[['a', 'b'], [:a, :b]].each do |keys|
# Should replace the hash with only the given keys.
copy = original.dup
assert_equal expected, copy.slice!(*keys)
end
end
def test_indifferent_slice_access_with_symbols
original = {'login' => 'bender', 'password' => 'shiny', 'stuff' => 'foo'}
original = original.with_indifferent_access
slice = original.slice(:login, :password)
assert_equal 'bender', slice[:login]
assert_equal 'bender', slice['login']
end
def test_extract
original = {:a => 1, :b => 2, :c => 3, :d => 4}
expected = {:a => 1, :b => 2}
remaining = {:c => 3, :d => 4}
assert_equal expected, original.extract!(:a, :b, :x)
assert_equal remaining, original
end
def test_extract_nils
original = {:a => nil, :b => nil}
expected = {:a => nil}
extracted = original.extract!(:a, :x)
assert_equal expected, extracted
assert_equal nil, extracted[:a]
assert_equal nil, extracted[:x]
end
def test_indifferent_extract
original = {:a => 1, 'b' => 2, :c => 3, 'd' => 4}.with_indifferent_access
expected = {:a => 1, :b => 2}.with_indifferent_access
remaining = {:c => 3, :d => 4}.with_indifferent_access
[['a', 'b'], [:a, :b]].each do |keys|
copy = original.dup
assert_equal expected, copy.extract!(*keys)
assert_equal remaining, copy
end
end
def test_except
original = { :a => 'x', :b => 'y', :c => 10 }
expected = { :a => 'x', :b => 'y' }
# Should return a new hash without the given keys.
assert_equal expected, original.except(:c)
assert_not_equal expected, original
# 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
assert_nothing_raised { original.except(:a) }
end
def test_except_with_mocha_expectation_on_original
original = { :a => 'x', :b => 'y' }
original.expects(:delete).never
original.except(:a)
end
end
class IWriteMyOwnXML
def to_xml(options = {})
options[:indent] ||= 2
xml = options[:builder] ||= Builder::XmlMarkup.new(:indent => options[:indent])
xml.instruct! unless options[:skip_instruct]
xml.level_one do
xml.tag!(:second_level, 'content')
end
end
end
class HashExtToParamTests < ActiveSupport::TestCase
class ToParam < String
def to_param
"#{self}-1"
end
end
def test_string_hash
assert_equal '', {}.to_param
assert_equal 'hello=world', { :hello => "world" }.to_param
assert_equal 'hello=10', { "hello" => 10 }.to_param
assert_equal 'hello=world&say_bye=true', {:hello => "world", "say_bye" => true}.to_param
end
def test_number_hash
assert_equal '10=20&30=40&50=60', {10 => 20, 30 => 40, 50 => 60}.to_param
end
def test_to_param_hash
assert_equal 'custom-1=param-1&custom2-1=param2-1', {ToParam.new('custom') => ToParam.new('param'), ToParam.new('custom2') => ToParam.new('param2')}.to_param
end
def test_to_param_hash_escapes_its_keys_and_values
assert_equal 'param+1=A+string+with+%2F+characters+%26+that+should+be+%3F+escaped', { 'param 1' => 'A string with / characters & that should be ? escaped' }.to_param
end
def test_to_param_orders_by_key_in_ascending_order
assert_equal 'a=2&b=1&c=0', Hash[*%w(b 1 c 0 a 2)].to_param
end
end
class HashToXmlTest < ActiveSupport::TestCase
def setup
@xml_options = { :root => :person, :skip_instruct => true, :indent => 0 }
end
def test_one_level
xml = { :name => "David", :street => "Paulina" }.to_xml(@xml_options)
assert_equal "<person>", xml.first(8)
assert xml.include?(%(<street>Paulina</street>))
assert xml.include?(%(<name>David</name>))
end
def test_one_level_dasherize_false
xml = { :name => "David", :street_name => "Paulina" }.to_xml(@xml_options.merge(:dasherize => false))
assert_equal "<person>", xml.first(8)
assert xml.include?(%(<street_name>Paulina</street_name>))
assert xml.include?(%(<name>David</name>))
end
def test_one_level_dasherize_true
xml = { :name => "David", :street_name => "Paulina" }.to_xml(@xml_options.merge(:dasherize => true))
assert_equal "<person>", xml.first(8)
assert xml.include?(%(<street-name>Paulina</street-name>))
assert xml.include?(%(<name>David</name>))
end
def test_one_level_camelize_true
xml = { :name => "David", :street_name => "Paulina" }.to_xml(@xml_options.merge(:camelize => true))
assert_equal "<Person>", xml.first(8)
assert xml.include?(%(<StreetName>Paulina</StreetName>))
assert xml.include?(%(<Name>David</Name>))
end
def test_one_level_camelize_lower
xml = { :name => "David", :street_name => "Paulina" }.to_xml(@xml_options.merge(:camelize => :lower))
assert_equal "<person>", xml.first(8)
assert xml.include?(%(<streetName>Paulina</streetName>))
assert xml.include?(%(<name>David</name>))
end
def test_one_level_with_types
xml = { :name => "David", :street => "Paulina", :age => 26, :age_in_millis => 820497600000, :moved_on => Date.new(2005, 11, 15), :resident => :yes }.to_xml(@xml_options)
assert_equal "<person>", xml.first(8)
assert xml.include?(%(<street>Paulina</street>))
assert xml.include?(%(<name>David</name>))
assert xml.include?(%(<age type="integer">26</age>))
assert xml.include?(%(<age-in-millis type="integer">820497600000</age-in-millis>))
assert xml.include?(%(<moved-on type="date">2005-11-15</moved-on>))
assert xml.include?(%(<resident type="symbol">yes</resident>))
end
def test_one_level_with_nils
xml = { :name => "David", :street => "Paulina", :age => nil }.to_xml(@xml_options)
assert_equal "<person>", xml.first(8)
assert xml.include?(%(<street>Paulina</street>))
assert xml.include?(%(<name>David</name>))
assert xml.include?(%(<age nil="true"/>))
end
def test_one_level_with_skipping_types
xml = { :name => "David", :street => "Paulina", :age => nil }.to_xml(@xml_options.merge(:skip_types => true))
assert_equal "<person>", xml.first(8)
assert xml.include?(%(<street>Paulina</street>))
assert xml.include?(%(<name>David</name>))
assert xml.include?(%(<age nil="true"/>))
end
def test_one_level_with_yielding
xml = { :name => "David", :street => "Paulina" }.to_xml(@xml_options) do |x|
x.creator("Rails")
end
assert_equal "<person>", xml.first(8)
assert xml.include?(%(<street>Paulina</street>))
assert xml.include?(%(<name>David</name>))
assert xml.include?(%(<creator>Rails</creator>))
end
def test_two_levels
xml = { :name => "David", :address => { :street => "Paulina" } }.to_xml(@xml_options)
assert_equal "<person>", xml.first(8)
assert xml.include?(%(<address><street>Paulina</street></address>))
assert xml.include?(%(<name>David</name>))
end
def test_two_levels_with_second_level_overriding_to_xml
xml = { :name => "David", :address => { :street => "Paulina" }, :child => IWriteMyOwnXML.new }.to_xml(@xml_options)
assert_equal "<person>", xml.first(8)
assert xml.include?(%(<address><street>Paulina</street></address>))
assert xml.include?(%(<level_one><second_level>content</second_level></level_one>))
end
def test_two_levels_with_array
xml = { :name => "David", :addresses => [{ :street => "Paulina" }, { :street => "Evergreen" }] }.to_xml(@xml_options)
assert_equal "<person>", xml.first(8)
assert xml.include?(%(<addresses type="array"><address>))
assert xml.include?(%(<address><street>Paulina</street></address>))
assert xml.include?(%(<address><street>Evergreen</street></address>))
assert xml.include?(%(<name>David</name>))
end
def test_three_levels_with_array
xml = { :name => "David", :addresses => [{ :streets => [ { :name => "Paulina" }, { :name => "Paulina" } ] } ] }.to_xml(@xml_options)
assert xml.include?(%(<addresses type="array"><address><streets type="array"><street><name>))
end
def test_timezoned_attributes
xml = {
: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
end
def test_multiple_records_from_xml_with_attributes_other_than_type_ignores_them_without_exploding
topics_xml = <<-EOT
<topics type="array" page="1" page-count="1000" per-page="2">
<topic>
<title>The First Topic</title>
<author-name>David</author-name>
<id type="integer">1</id>
<approved type="boolean">false</approved>
<replies-count type="integer">0</replies-count>
<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>Have a nice day</content>
<author-email-address>david@loudthinking.com</author-email-address>
<parent-id nil="true"></parent-id>
</topic>
<topic>
<title>The Second Topic</title>
<author-name>Jason</author-name>
<id type="integer">1</id>
<approved type="boolean">false</approved>
<replies-count type="integer">0</replies-count>
<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>Have a nice day</content>
<author-email-address>david@loudthinking.com</author-email-address>
<parent-id></parent-id>
</topic>
</topics>
EOT
expected_topic_hash = {
:title => "The First Topic",
:author_name => "David",
:id => 1,
:approved => false,
:replies_count => 0,
:replies_close_in => 2592000000,
:written_on => Date.new(2003, 7, 16),
:viewed_at => Time.utc(2003, 7, 16, 9, 28),
:content => "Have a nice day",
:author_email_address => "david@loudthinking.com",