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arangodb/js/common/tests/shell-edge-index-noncluster.js

200 lines
6.7 KiB
JavaScript

/*jshint globalstrict:false, strict:false */
/*global assertEqual, assertTrue, assertFalse, assertNotNull */
////////////////////////////////////////////////////////////////////////////////
/// @brief test the document interface
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2010-2012 triagens GmbH, Cologne, Germany
///
/// 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.
///
/// Copyright holder is triAGENS GmbH, Cologne, Germany
///
/// @author Dr. Frank Celler
/// @author Copyright 2012, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////
var jsunity = require("jsunity");
var arangodb = require("org/arangodb");
var db = arangodb.db;
var wait = require("internal").wait;
function EdgeIndexSuite () {
var vn = "UnitTestsCollectionVertex";
var vertex = null;
var en = "UnitTestsCollectionEdge";
var edge = null;
var v1 = null;
var v2 = null;
return {
////////////////////////////////////////////////////////////////////////////////
/// @brief set up
////////////////////////////////////////////////////////////////////////////////
setUp : function () {
db._drop(en);
edge = db._createEdgeCollection(en);
db._drop(vn);
vertex = db._create(vn);
v1 = vertex.save({ a : 1 });
v2 = vertex.save({ a : 2 });
},
////////////////////////////////////////////////////////////////////////////////
/// @brief tear down
////////////////////////////////////////////////////////////////////////////////
tearDown : function () {
edge.drop();
vertex.drop();
edge = null;
vertex = null;
wait(0.0);
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test index presence
////////////////////////////////////////////////////////////////////////////////
testIndexPresence : function () {
var indexes = edge.getIndexes();
assertEqual(2, indexes.length);
assertEqual("edge", indexes[1].type);
assertEqual([ "_from", "_to" ], indexes[1].fields);
assertFalse(indexes[1].unique);
assertFalse(indexes[1].sparse);
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test index selectivity
////////////////////////////////////////////////////////////////////////////////
testIndexSelectivityEmpty : function () {
var edgeIndex = edge.getIndexes()[1];
assertTrue(edgeIndex.hasOwnProperty("selectivityEstimate"));
assertEqual(1, edgeIndex.selectivityEstimate);
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test index selectivity
////////////////////////////////////////////////////////////////////////////////
testIndexSelectivityOneDoc : function () {
edge.save(v1, v2, { });
var edgeIndex = edge.getIndexes()[1];
assertTrue(edgeIndex.hasOwnProperty("selectivityEstimate"));
assertEqual(1, edgeIndex.selectivityEstimate);
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test index selectivity
////////////////////////////////////////////////////////////////////////////////
testIndexSelectivityDuplicateDocs : function () {
var i, c, edgeIndex, expectedSelectivity;
for (i = 0; i < 1000; ++i) {
edge.save(v1, v2, { });
edgeIndex = edge.getIndexes()[1];
expectedSelectivity = 1 / (i + 1);
// allow for some floating-point deviations
assertTrue(Math.abs(expectedSelectivity - edgeIndex.selectivityEstimate) <= 0.001);
}
var n = edge.count();
assertEqual(1000, n);
for (i = 0; i < n; ++i) {
var doc = edge.any();
assertNotNull(doc);
edge.remove(doc._key);
edgeIndex = edge.getIndexes()[1];
c = 1000 - (i + 1);
expectedSelectivity = (c === 0 ? 1 : 1 / c);
// allow for some floating-point deviations
assertTrue(Math.abs(expectedSelectivity - edgeIndex.selectivityEstimate) <= 0.001);
}
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test index selectivity
////////////////////////////////////////////////////////////////////////////////
testIndexSelectivityUniqueDocs : function () {
for (var i = 0; i < 1000; ++i) {
edge.save(vn + "/from" + i, vn + "/to" + i, { });
var edgeIndex = edge.getIndexes()[1];
assertTrue(1, edgeIndex.selectivityEstimate);
}
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test index selectivity
////////////////////////////////////////////////////////////////////////////////
testIndexSelectivityUniqueDocsFrom : function () {
for (var i = 0; i < 1000; ++i) {
edge.save(vn + "/from" + i, vn + "/1", { });
var edgeIndex = edge.getIndexes()[1];
var expectedSelectivity = (1 + (1 / (i + 1))) * 0.5;
assertTrue(Math.abs(expectedSelectivity - edgeIndex.selectivityEstimate) <= 0.001);
}
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test index selectivity
////////////////////////////////////////////////////////////////////////////////
testIndexSelectivityRepeatingDocs : function () {
for (var i = 0; i < 1000; ++i) {
if (i > 0) {
var edgeIndex = edge.getIndexes()[1];
var expectedSelectivity = (1 + (Math.min(i, 20) / i)) * 0.5;
assertTrue(Math.abs(expectedSelectivity - edgeIndex.selectivityEstimate) <= 0.001);
}
edge.save(vn + "/from" + (i % 20), vn + "/to" + i, { });
}
}
};
}
// -----------------------------------------------------------------------------
// --SECTION-- main
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @brief executes the test suite
////////////////////////////////////////////////////////////////////////////////
jsunity.run(EdgeIndexSuite);
return jsunity.done();
// Local Variables:
// mode: outline-minor
// outline-regexp: "^\\(/// @brief\\|/// @addtogroup\\|// --SECTION--\\|/// @page\\|/// @}\\)"
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