JezK
Edit File: ordered_hash_test.rb
require './test/bson/test_helper' class OrderedHashTest < Test::Unit::TestCase def setup @oh = BSON::OrderedHash.new @oh['c'] = 1 @oh['a'] = 2 @oh['z'] = 3 @ordered_keys = %w(c a z) end def test_initialize a = BSON::OrderedHash.new a['x'] = 1 a['y'] = 2 b = BSON::OrderedHash['x', 1, 'y', 2] assert_equal a, b end def test_hash_code o = BSON::OrderedHash.new o['number'] = 50 assert o.hash end def test_empty assert_equal [], BSON::OrderedHash.new.keys end def test_uniq list = [] doc = BSON::OrderedHash.new doc['_id'] = 'ab12' doc['name'] = 'test' same_doc = BSON::OrderedHash.new same_doc['_id'] = 'ab12' same_doc['name'] = 'test' list << doc list << same_doc assert_equal 2, list.size assert_equal 1, list.uniq.size end if !(RUBY_VERSION =~ /1.8.6/) def test_compatibility_with_hash list = [] doc = BSON::OrderedHash.new doc['_id'] = 'ab12' doc['name'] = 'test' doc2 = {} doc2['_id'] = 'ab12' doc2['name'] = 'test' list << doc list << doc2 assert_equal 1, list.uniq.size end end def test_equality a = BSON::OrderedHash.new a['x'] = 1 a['y'] = 2 b = BSON::OrderedHash.new b['y'] = 2 b['x'] = 1 c = BSON::OrderedHash.new c['x'] = 1 c['y'] = 2 d = BSON::OrderedHash.new d['x'] = 2 d['y'] = 3 e = BSON::OrderedHash.new e['z'] = 1 e['y'] = 2 assert_equal a, c assert_not_equal a, b assert_not_equal a, d assert_not_equal a, e end def test_order_preserved assert_equal @ordered_keys, @oh.keys end def test_replace h1 = BSON::OrderedHash.new h1[:a] = 1 h1[:b] = 2 h2 = BSON::OrderedHash.new h2[:c] = 3 h2[:d] = 4 h1.replace(h2) assert_equal [:c, :d], h1.keys assert_equal [3, 4], h1.values assert h1.keys.object_id != h2.keys.object_id end def test_to_a_order_preserved assert_equal @ordered_keys, @oh.to_a.map {|m| m.first} end def test_order_preserved_after_replace @oh['a'] = 42 assert_equal @ordered_keys, @oh.keys @oh['c'] = 'foobar' assert_equal @ordered_keys, @oh.keys @oh['z'] = /huh?/ assert_equal @ordered_keys, @oh.keys end def test_each keys = [] @oh.each { |k, v| keys << k } assert_equal keys, @oh.keys @oh['z'] = 42 assert_equal keys, @oh.keys assert_equal @oh, @oh.each {|k,v|} end def test_values assert_equal [1, 2, 3], @oh.values end def test_merge other = BSON::OrderedHash.new other['f'] = 'foo' noob = @oh.merge(other) assert_equal @ordered_keys + ['f'], noob.keys assert_equal [1, 2, 3, 'foo'], noob.values end def test_merge_bang other = BSON::OrderedHash.new other['f'] = 'foo' @oh.merge!(other) assert_equal @ordered_keys + ['f'], @oh.keys assert_equal [1, 2, 3, 'foo'], @oh.values end def test_merge_bang_with_overlap other = BSON::OrderedHash.new other['a'] = 'apple' other['c'] = 'crab' other['f'] = 'foo' @oh.merge!(other) assert_equal @ordered_keys + ['f'], @oh.keys assert_equal ['crab', 'apple', 3, 'foo'], @oh.values end def test_merge_bang_with_hash_with_overlap other = Hash.new other['a'] = 'apple' other['c'] = 'crab' other['f'] = 'foo' @oh.merge!(other) assert_equal @ordered_keys + ['f'], @oh.keys assert_equal ['crab', 'apple', 3, 'foo'], @oh.values end def test_equality_with_hash o = BSON::OrderedHash.new o[:a] = 1 o[:b] = 2 o[:c] = 3 r = {:a => 1, :b => 2, :c => 3} assert r == o assert o == r end def test_update other = BSON::OrderedHash.new other['f'] = 'foo' noob = @oh.update(other) assert_equal @ordered_keys + ['f'], noob.keys assert_equal [1, 2, 3, 'foo'], noob.values end if RUBY_VERSION < "1.9.2" def test_inspect_retains_order assert_equal "#<BSON::OrderedHash:0x#{@oh.object_id.to_s(16)} {\"c\"=>1, \"a\"=>2, \"z\"=>3}>", @oh.inspect end end def test_clear @oh.clear assert @oh.keys.empty? end def test_delete assert @oh.keys.include?('z') @oh.delete('z') assert !@oh.keys.include?('z') end def test_delete_if assert @oh.keys.include?('z') @oh.delete_if { |k,v| k == 'z' } assert !@oh.keys.include?('z') @oh.delete_if { |k, v| v > 0 } assert @oh.keys.empty? end def test_reject new = @oh.reject { |k, v| k == 'foo' } assert new.keys == @oh.keys new = @oh.reject { |k, v| k == 'z' } assert !new.keys.include?('z') end def test_reject_bang @oh.reject! { |k, v| k == 'z' } assert !@oh.keys.include?('z') assert_nil @oh.reject! { |k, v| k == 'z' } end def test_clone copy = @oh.clone assert copy.keys == @oh.keys copy[:foo] = 1 assert copy.keys != @oh.keys end def test_dup oh2 = @oh.dup oh2['f'] = 9 assert_nil @oh['f'] assert_equal ['c', 'a', 'z'], @oh.keys end end