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// 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.view_multi_key_design = function(debug) {
var db = new CouchDB("test_suite_db", {"X-Couch-Full-Commit":"false"});
db.deleteDb();
db.createDb();
if (debug) debugger;
var docs = makeDocs(0, 100);
db.bulkSave(docs);
var designDoc = {
_id:"_design/test",
language: "javascript",
views: {
all_docs: {
map: "function(doc) { emit(doc.integer, doc.string) }"
},
multi_emit: {
map: "function(doc) {for(var i = 0 ; i < 3 ; i++) { emit(i, doc.integer) ; } }"
},
summate: {
map:"function (doc) {emit(doc.integer, doc.integer)};",
reduce:"function (keys, values) { return sum(values); };"
}
}
};
T(db.save(designDoc).ok);
// Test that missing keys work too
var keys = [101,30,15,37,50];
var reduce = db.view("test/summate",{group:true},keys).rows;
T(reduce.length == keys.length-1); // 101 is missing
for(var i=0; i<reduce.length; i++) {
T(keys.indexOf(reduce[i].key) != -1);
T(reduce[i].key == reduce[i].value);
}
// First, the goods:
var keys = [10,15,30,37,50];
var rows = db.view("test/all_docs",{},keys).rows;
for(var i=0; i<rows.length; i++) {
T(keys.indexOf(rows[i].key) != -1);
T(rows[i].key == rows[i].value);
}
var reduce = db.view("test/summate",{group:true},keys).rows;
T(reduce.length == keys.length);
for(var i=0; i<reduce.length; i++) {
T(keys.indexOf(reduce[i].key) != -1);
T(reduce[i].key == reduce[i].value);
}
// Test that invalid parameter combinations get rejected
var badargs = [{startkey:0}, {endkey:0}, {key: 0}, {group_level: 2}];
for(var i in badargs)
{
try {
db.view("test/all_docs",badargs[i],keys);
T(0==1);
} catch (e) {
T(e.error == "query_parse_error");
}
}
try {
db.view("test/summate",{},keys);
T(0==1);
} catch (e) {
T(e.error == "query_parse_error");
}
// Test that a map & reduce containing func support keys when reduce=false
var resp = db.view("test/summate", {reduce: false}, keys);
T(resp.rows.length == 5);
// Check that limiting by startkey_docid and endkey_docid get applied
// as expected.
var curr = db.view("test/multi_emit", {startkey_docid: 21, endkey_docid: 23}, [0, 2]).rows;
var exp_key = [ 0, 0, 0, 2, 2, 2] ;
var exp_val = [21, 22, 23, 21, 22, 23] ;
T(curr.length == 6);
for( var i = 0 ; i < 6 ; i++)
{
T(curr[i].key == exp_key[i]);
T(curr[i].value == exp_val[i]);
}
// Check limit works
curr = db.view("test/all_docs", {limit: 1}, keys).rows;
T(curr.length == 1);
T(curr[0].key == 10);
// Check offset works
curr = db.view("test/multi_emit", {skip: 1}, [0]).rows;
T(curr.length == 99);
T(curr[0].value == 1);
// Check that dir works
curr = db.view("test/multi_emit", {descending: "true"}, [1]).rows;
T(curr.length == 100);
T(curr[0].value == 99);
T(curr[99].value == 0);
// Check a couple combinations
curr = db.view("test/multi_emit", {descending: "true", skip: 3, limit: 2}, [2]).rows;
T(curr.length, 2);
T(curr[0].value == 96);
T(curr[1].value == 95);
curr = db.view("test/multi_emit", {skip: 2, limit: 3, startkey_docid: "13"}, [0]).rows;
T(curr.length == 3);
T(curr[0].value == 15);
T(curr[1].value == 16);
T(curr[2].value == 17);
curr = db.view("test/multi_emit",
{skip: 1, limit: 5, startkey_docid: "25", endkey_docid: "27"}, [1]).rows;
T(curr.length == 2);
T(curr[0].value == 26);
T(curr[1].value == 27);
curr = db.view("test/multi_emit",
{skip: 1, limit: 5, startkey_docid: "28", endkey_docid: "26", descending: "true"}, [1]).rows;
T(curr.length == 2);
T(curr[0].value == 27);
T(curr[1].value == 26);
};
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