~ubuntu-branches/ubuntu/trusty/ruby-ferret/trusty

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
require File.dirname(__FILE__) + "/../../test_helper"

class SearchAndSortTest < Test::Unit::TestCase
  include Ferret::Search
  include Ferret::Store
  include Ferret::Analysis
  include Ferret::Index

  def setup()
    @dir = RAMDirectory.new()
    iw = IndexWriter.new(:dir => @dir,
                         :analyzer => WhiteSpaceAnalyzer.new(),
                         :create => true, :min_merge_docs => 3)
    [                                                                      # len mod
      {:x => "findall", :string => "a", :int => "6", :float => "0.01"},    #  4   0
      {:x => "findall", :string => "c", :int => "5", :float => "0.1"},     #  3   3
      {:x => "findall", :string => "e", :int => "2", :float => "0.001"},   #  5   1
      {:x => "findall", :string => "g", :int => "1", :float => "1.0"},     #  3   3
      {:x => "findall", :string => nil, :int => "3", :float => "0.0001"},  #  6   2
      {:x => "findall", :string => "",  :int => "4", :float => "10.0"},    #  4   0
      {:x => "findall", :string => "h", :int => "5", :float => "0.00001"}, #  7   3
      {:x => "findall", :string => "f", :int => "2", :float => "100.0"},   #  5   1
      {:x => "findall", :string => "d", :int => "3", :float => "1000.0"},  #  6   2
      {:x => "findall", :string => "b", :int => "4", :float => "0.000001"} #  8   0
    ].each do |doc|
      doc.extend(Ferret::BoostMixin)
      doc.boost = doc[:float].to_f
      iw << doc
    end
    iw.close
  end

  def teardown()
    @dir.close()
  end

  def do_test_top_docs(is, query, expected, sort = nil)
    top_docs = is.search(query, {:sort => sort})
    top_docs.total_hits.times do |i|
      assert_equal(expected[i], top_docs.hits[i].doc)
    end

    # test sorting works for smaller ranged query
    offset = 3
    limit = 3
    top_docs = is.search(query, {:sort => sort,
                                 :offset => offset,
                                 :limit => limit})
    limit.times do |i|
      assert_equal(expected[offset + i], top_docs.hits[i].doc)
    end
  end

  def test_sort_field_to_s()
    assert_equal("<SCORE>", SortField::SCORE.to_s);
    sf = SortField.new("MyScore",
                       {:type => :score,
                        :reverse => true})
    assert_equal("MyScore:<SCORE>!", sf.to_s)
    assert_equal("<DOC>", SortField::DOC_ID.to_s);
    sf = SortField.new("MyDoc",
                       {:type => :doc_id,
                        :reverse => true})
    assert_equal("MyDoc:<DOC>!", sf.to_s)
    sf = SortField.new(:date,
                       {:type => :integer})
    assert_equal("date:<integer>", sf.to_s)
    sf = SortField.new(:date,
                       {:type => :integer,
                        :reverse => true})
    assert_equal("date:<integer>!", sf.to_s)
    sf = SortField.new(:price,
                       {:type => :float})
    assert_equal("price:<float>", sf.to_s)
    sf = SortField.new(:price,
                       {:type => :float,
                        :reverse => true})
    assert_equal("price:<float>!", sf.to_s)
    sf = SortField.new(:content,
                       {:type => :string})
    assert_equal("content:<string>", sf.to_s)
    sf = SortField.new(:content,
                       {:type => :string,
                        :reverse => true})
    assert_equal("content:<string>!", sf.to_s)
    sf = SortField.new(:auto_field,
                       {:type => :auto})
    assert_equal("auto_field:<auto>", sf.to_s)
    sf = SortField.new(:auto_field,
                       {:type => :auto,
                        :reverse => true})
    assert_equal("auto_field:<auto>!", sf.to_s)
  end
  
  def test_sort_to_s()
    sort = Sort.new
    assert_equal("Sort[<SCORE>, <DOC>]", sort.to_s)
    sf = SortField.new(:auto_field,
                       {:type => :auto,
                        :reverse => true})
    sort = Sort.new([sf, SortField::SCORE, SortField::DOC_ID])
    assert_equal("Sort[auto_field:<auto>!, <SCORE>, <DOC>]", sort.to_s)
    sort = Sort.new([:one, :two, SortField::DOC_ID])
    assert_equal("Sort[one:<auto>, two:<auto>, <DOC>]", sort.to_s)
    sort = Sort.new([:one, :two])
    assert_equal("Sort[one:<auto>, two:<auto>, <DOC>]", sort.to_s)
  end


  def test_sorts()
    is = Searcher.new(@dir)
    q = TermQuery.new(:x, "findall")
    do_test_top_docs(is, q, [8,7,5,3,1,0,2,4,6,9])
    do_test_top_docs(is, q, [8,7,5,3,1,0,2,4,6,9], Sort::RELEVANCE)
    do_test_top_docs(is, q, [8,7,5,3,1,0,2,4,6,9], [SortField::SCORE])
    do_test_top_docs(is, q, [0,1,2,3,4,5,6,7,8,9], Sort::INDEX_ORDER)
    do_test_top_docs(is, q, [0,1,2,3,4,5,6,7,8,9], [SortField::DOC_ID])

    ## int
    sf_int = SortField.new(:int, {:type => :integer, :reverse => true})
    do_test_top_docs(is, q, [0,1,6,5,9,4,8,2,7,3], [sf_int])
    do_test_top_docs(is, q, [0,1,6,5,9,4,8,2,7,3], "int DESC")
    do_test_top_docs(is, q, [0,1,6,5,9,8,4,7,2,3], [sf_int, SortField::SCORE])
    do_test_top_docs(is, q, [0,1,6,5,9,8,4,7,2,3], "int DESC, SCORE")
    sf_int = SortField.new(:int, {:type => :integer})
    do_test_top_docs(is, q, [3,2,7,4,8,5,9,1,6,0], [sf_int])
    do_test_top_docs(is, q, [3,2,7,4,8,5,9,1,6,0], "int")

    ## byte
    do_test_top_docs(is, q, [3,2,7,4,8,5,9,1,6,0],
                     SortField.new(:int, :type => :byte))
    do_test_top_docs(is, q, [0,1,6,5,9,4,8,2,7,3],
                     [SortField.new(:int, :type => :byte, :reverse => true)])
    

    ## float
    sf_float = SortField.new(:float, {:type => :float, :reverse => true})
    do_test_top_docs(is, q, [8,7,5,3,1,0,2,4,6,9],
                     Sort.new([sf_float, SortField::SCORE]))
    do_test_top_docs(is, q, [8,7,5,3,1,0,2,4,6,9], "float DESC, SCORE")
    sf_float = SortField.new(:float, {:type => :float})
    do_test_top_docs(is, q, [9,6,4,2,0,1,3,5,7,8],
                     Sort.new([sf_float, SortField::SCORE]))
    do_test_top_docs(is, q, [9,6,4,2,0,1,3,5,7,8], "float, SCORE")

    ## str
    sf_str = SortField.new(:string, {:type => :string})
    do_test_top_docs(is, q, [0,9,1,8,2,7,3,6,5,4], [sf_str, SortField::SCORE])
    do_test_top_docs(is, q, [0,9,1,8,2,7,3,6,4,5], "string")

    ## auto
    do_test_top_docs(is, q, [0,9,1,8,2,7,3,6,4,5], Sort.new(:string))
    do_test_top_docs(is, q, [3,2,7,4,8,5,9,1,6,0], Sort.new([:int]))
    do_test_top_docs(is, q, [9,6,4,2,0,1,3,5,7,8], Sort.new(:float))
    do_test_top_docs(is, q, [9,6,4,2,0,1,3,5,7,8], :float)
    do_test_top_docs(is, q, [8,7,5,3,1,0,2,4,6,9], Sort.new(:float, true))
    do_test_top_docs(is, q, [0,6,1,5,9,4,8,7,2,3], Sort.new([:int, :string], true))
    do_test_top_docs(is, q, [0,6,1,5,9,4,8,7,2,3], "int DESC, string DESC")
    do_test_top_docs(is, q, [3,2,7,8,4,9,5,1,6,0], Sort.new([:int, :string]))
    do_test_top_docs(is, q, [3,2,7,8,4,9,5,1,6,0], [:int, :string])
    do_test_top_docs(is, q, [3,2,7,8,4,9,5,1,6,0], "int, string")
  end

  #LENGTH = SortField::SortType.new("length", lambda{|str| str.length})
  #LENGTH_MODULO = SortField::SortType.new("length_mod", lambda{|str| str.length},
  #                                        lambda{|i, j| (i%4) <=> (j%4)})
  #def test_special_sorts
  #  is = IndexSearcher.new(@dir)
  #  q = TermQuery.new(Term.new(:x, "findall"))
  #  sf = SortField.new(:float, {:type => LENGTH, :reverse => true})
  #  do_test_top_docs(is, q, [9,6,4,8,2,7,0,5,1,3], [sf])
  #  sf = SortField.new(:float, {:type => LENGTH_MODULO, :reverse => true})
  #  do_test_top_docs(is, q, [1,3,6,4,8,2,7,0,5,9], [sf])
  #  sf = SortField.new(:float, {:type => LENGTH,
  #                               :reverse => true,
  #                               :comparator => lambda{|i,j| (j%4) <=> (i%4)}})
  #  do_test_top_docs(is, q, [0,5,9,2,7,4,8,1,3,6], [sf])
  #end
end