summaryrefslogtreecommitdiff
path: root/rel/overlay/share/www/script/test/reduce_builtin.js
blob: b3cc3cc70d3dcf1e5c47d50739acdd12756415f8 (plain)
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
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.

couchTests.reduce_builtin = function(debug) {
  var db = new CouchDB("test_suite_db", {"X-Couch-Full-Commit":"false"});
  db.deleteDb();
  db.createDb();
  if (debug) debugger;

  var numDocs = 500;
  var docs = makeDocs(1,numDocs + 1);
  db.bulkSave(docs);

  var summate = function(N) {return (N+1)*N/2;};

  var sumsqr = function(N) { 
    var acc = 0;
    for (var i=1; i<=N; ++i) {
      acc += i*i;
    }
    return acc;
  };

  // this is the same test as the reduce.js test
  // only we'll let CouchDB run reduce in Erlang
  var map = function (doc) {
      emit(doc.integer, doc.integer);
      emit(doc.integer, doc.integer);
  };

  var result = db.query(map, "_sum");
  T(result.rows[0].value == 2*summate(numDocs));
  result = db.query(map, "_count");
  T(result.rows[0].value == 1000);
  result = db.query(map, "_stats");
  T(result.rows[0].value.sum == 2*summate(numDocs));
  T(result.rows[0].value.count == 1000);
  T(result.rows[0].value.min == 1);
  T(result.rows[0].value.max == 500);
  T(result.rows[0].value.sumsqr == 2*sumsqr(numDocs));

  result = db.query(map, "_sum", {startkey: 4, endkey: 4});
  T(result.rows[0].value == 8);
  result = db.query(map, "_count", {startkey: 4, endkey: 4});
  T(result.rows[0].value == 2);

  result = db.query(map, "_sum", {startkey: 4, endkey: 5});
  T(result.rows[0].value == 18);
  result = db.query(map, "_count", {startkey: 4, endkey: 5});
  T(result.rows[0].value == 4);

  result = db.query(map, "_sum", {startkey: 4, endkey: 6});
  T(result.rows[0].value == 30);
  result = db.query(map, "_count", {startkey: 4, endkey: 6});
  T(result.rows[0].value == 6);

  result = db.query(map, "_sum", {group:true, limit:3});
  T(result.rows[0].value == 2);
  T(result.rows[1].value == 4);
  T(result.rows[2].value == 6);

  for(var i=1; i<numDocs/2; i+=30) {
    result = db.query(map, "_sum", {startkey: i, endkey: numDocs - i});
    T(result.rows[0].value == 2*(summate(numDocs-i) - summate(i-1)));
  }

  // test for trailing characters after builtin functions, desired behaviour
  // is to disregard any trailing characters
  // I think the behavior should be a prefix test, so that even "_statsorama" 
  // or "_stats\nare\awesome" should work just as "_stats" does. - JChris

  var trailing = ["\u000a", "orama", "\nare\nawesome", " ", "     \n  "];

  for(var i=0; i < trailing.length; i++) {
    result = db.query(map, "_sum" + trailing[i]);
    T(result.rows[0].value == 2*summate(numDocs));
    result = db.query(map, "_count" + trailing[i]);
    T(result.rows[0].value == 1000);
    result = db.query(map, "_stats" + trailing[i]);
    T(result.rows[0].value.sum == 2*summate(numDocs));
    T(result.rows[0].value.count == 1000);
    T(result.rows[0].value.min == 1);
    T(result.rows[0].value.max == 500);
    T(result.rows[0].value.sumsqr == 2*sumsqr(numDocs));
  }

  db.deleteDb();
  db.createDb();

  for(var i=1; i <= 5; i++) {

    for(var j=0; j < 10; j++) {
      // these docs are in the order of the keys collation, for clarity
      var docs = [];
      docs.push({keys:["a"]});
      docs.push({keys:["a"]});
      docs.push({keys:["a", "b"]});
      docs.push({keys:["a", "b"]});
      docs.push({keys:["a", "b", "c"]});
      docs.push({keys:["a", "b", "d"]});
      docs.push({keys:["a", "c", "d"]});
      docs.push({keys:["d"]});
      docs.push({keys:["d", "a"]});
      docs.push({keys:["d", "b"]});
      docs.push({keys:["d", "c"]});
      db.bulkSave(docs);
      T(db.info().doc_count == ((i - 1) * 10 * 11) + ((j + 1) * 11));
    }

    map = function (doc) { emit(doc.keys, 1); };
    // with emitted values being 1, count should be the same as sum
    var builtins = ["_sum", "_count"];

    for (var b=0; b < builtins.length; b++) {
      var fun = builtins[b];
      var results = db.query(map, fun, {group:true});

      //group by exact key match
      T(equals(results.rows[0], {key:["a"],value:20*i}));
      T(equals(results.rows[1], {key:["a","b"],value:20*i}));
      T(equals(results.rows[2], {key:["a", "b", "c"],value:10*i}));
      T(equals(results.rows[3], {key:["a", "b", "d"],value:10*i}));

      // test to make sure group reduce and limit params provide valid json
      var results = db.query(map, fun, {group: true, limit: 2});
      T(equals(results.rows[0], {key: ["a"], value: 20*i}));
      T(equals(results.rows.length, 2));

      //group by the first element in the key array
      var results = db.query(map, fun, {group_level:1});
      T(equals(results.rows[0], {key:["a"],value:70*i}));
      T(equals(results.rows[1], {key:["d"],value:40*i}));

      //group by the first 2 elements in the key array
      var results = db.query(map, fun, {group_level:2});
      T(equals(results.rows[0], {key:["a"],value:20*i}));
      T(equals(results.rows[1], {key:["a","b"],value:40*i}));
      T(equals(results.rows[2], {key:["a","c"],value:10*i}));
      T(equals(results.rows[3], {key:["d"],value:10*i}));
      T(equals(results.rows[4], {key:["d","a"],value:10*i}));
      T(equals(results.rows[5], {key:["d","b"],value:10*i}));
      T(equals(results.rows[6], {key:["d","c"],value:10*i}));
    };

    map = function (doc) { emit(doc.keys, [1, 1]); };

    var results = db.query(map, "_sum", {group:true});
    T(equals(results.rows[0], {key:["a"],value:[20*i,20*i]}));
    T(equals(results.rows[1], {key:["a","b"],value:[20*i,20*i]}));
    T(equals(results.rows[2], {key:["a", "b", "c"],value:[10*i,10*i]}));
    T(equals(results.rows[3], {key:["a", "b", "d"],value:[10*i,10*i]}));

    var results = db.query(map, "_sum", {group: true, limit: 2});
    T(equals(results.rows[0], {key: ["a"], value: [20*i,20*i]}));
    T(equals(results.rows.length, 2));

    var results = db.query(map, "_sum", {group_level:1});
    T(equals(results.rows[0], {key:["a"],value:[70*i,70*i]}));
    T(equals(results.rows[1], {key:["d"],value:[40*i,40*i]}));

    var results = db.query(map, "_sum", {group_level:2});
    T(equals(results.rows[0], {key:["a"],value:[20*i,20*i]}));
    T(equals(results.rows[1], {key:["a","b"],value:[40*i,40*i]}));
    T(equals(results.rows[2], {key:["a","c"],value:[10*i,10*i]}));
    T(equals(results.rows[3], {key:["d"],value:[10*i,10*i]}));
    T(equals(results.rows[4], {key:["d","a"],value:[10*i,10*i]}));
    T(equals(results.rows[5], {key:["d","b"],value:[10*i,10*i]}));
    T(equals(results.rows[6], {key:["d","c"],value:[10*i,10*i]}));
  }
}