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require 'test/unit'
require File.dirname(__FILE__) + '/../../lib/active_support'
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_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_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? {|hash| hash.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_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_raises(ArgumentError, "Unknown key(s): failore") do
{ :failore => "stuff", :funny => "business" }.assert_valid_keys([ :failure, :funny ])
{ :failore => "stuff", :funny => "business" }.assert_valid_keys(:failure, :funny)
end
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_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_reverse_merge
assert_equal({ :a => 1, :b => 2, :c => 10 }, { :a => 1, :b => 2 }.reverse_merge({:a => "x", :b => "y", :c => 10}) )
end
end
class HashToXmlTest < Test::Unit::TestCase
def test_one_level
h = { :name => "David", :street => "Paulina" }
assert_equal %(<person><street type="string">Paulina</street><name type="string">David</name></person>), h.to_xml(:root => :person)
end
def test_one_level_with_types
h = { :name => "David", :street => "Paulina", :age => 26, :moved_on => Date.new(2005, 11, 15) }
assert_equal(
"<person><street type=\"string\">Paulina</street><name type=\"string\">David</name><age type=\"integer\">26</age><moved-on type=\"date\">2005-11-15</moved-on></person>",
h.to_xml(:root => :person)
)
end
def test_one_level_with_nils
h = { :name => "David", :street => "Paulina", :age => nil }
assert_equal(
"<person><street type=\"string\">Paulina</street><name type=\"string\">David</name><age></age></person>",
h.to_xml(:root => :person)
)
end
def test_two_levels
h = { :name => "David", :address => { :street => "Paulina" } }
assert_equal %(<person><address><street type="string">Paulina</street></address><name type="string">David</name></person>), h.to_xml(:root => :person)
end
end
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