ydn.db/test/algo/algo_test.js

Javascript database library for IndexedDB, WebDatabase (WebSQL) and WebStorage (localStorage) storage mechanisms supporting version migration, advanced query and transaction workflow.

goog.require('goog.debug.Console');
goog.require('ydn.db.algo.NestedLoop');
goog.require('ydn.db.algo.SortedMerge');
goog.require('goog.testing.jsunit');
goog.require('ydn.debug');




var reachedFinalContinuation, debug_console;
var store_name = 't1';
var db_name = 'test_algo_2';

var colorIndex = new ydn.db.schema.Index('color', ydn.db.schema.DataType.TEXT);
var hornIndex = new ydn.db.schema.Index('horn', ydn.db.schema.DataType.TEXT);
var legIndex = new ydn.db.schema.Index('legs', ydn.db.schema.DataType.TEXT);
var anmialStore = new ydn.db.schema.Store('animals', 'id', false,
  ydn.db.schema.DataType.TEXT, [colorIndex, hornIndex, legIndex]);

var schema = new ydn.db.schema.Database(undefined, [anmialStore]);
var db = new ydn.db.core.Storage(db_name, schema, options);

var animals = [
  {id: 'rat', color: 'brown', horn: 0, legs: 4},
  {id: 'cat', color: 'spots', horn: 0, legs: 4},
  {id: 'cow', color: 'spots', horn: 1, legs: 4},
  {id: 'galon', color: 'gold', horn: 1, legs: 2},
  {id: 'snake', color: 'spots', horn: 0, legs: 0},
  {id: 'leopard', color: 'spots', horn: 1, legs: 4},
  {id: 'chicken', color: 'red', horn: 0, legs: 2}
];
db.clear();
db.put('animals', animals).addCallback(function (value) {
  console.log(db + 'store: animals ready.');
});

var setUp = function() {
   // ydn.debug.log('ydn.db', 'finest');
  // ydn.db.core.DbOperator.DEBUG = true;
    //ydn.db.crud.req.IndexedDb.DEBUG = true;
    //ydn.db.algo.SortedMerge.DEBUG = true;


  reachedFinalContinuation = false;
};

var tearDown = function() {
  assertTrue('The final continuation was not reached', reachedFinalContinuation);
};


var match_animal = function(algo) {

  var done;

  waitForCondition(
    // Condition
    function () {
      return done;
    },
    // Continuation
    function () {
      assertArrayEquals('result', ['cow', 'leopard'], out);
      reachedFinalContinuation = true;

    },
    100, // interval
    1000); // maxTimeout

  var q1 = new ydn.db.IndexIterator('animals', 'color', ydn.db.KeyRange.only('spots'));
  var q2 = new ydn.db.IndexIterator('animals', 'horn', ydn.db.KeyRange.only(1));
  var q3 = new ydn.db.IndexIterator('animals', 'legs', ydn.db.KeyRange.only(4));
  var out = [];

  var solver, req;
  if (algo == 'nested') {
    solver = new ydn.db.algo.NestedLoop(out);
  } else if (algo == 'sorted') {
    solver = new ydn.db.algo.SortedMerge(out);
  }

  req = db.scan(solver, [q1, q2, q3]);
  req.addCallback(function (result) {
    //console.log(result);
    done = true;
  });
  req.addErrback(function (e) {
    console.log(e);
    done = true;
  });
};


var test_nested_loop_1 = function () {
  match_animal('nested');
};



var test_sorted_merge_1 = function () {
  match_animal('sorted');
};



var testCase = new goog.testing.ContinuationTestCase();
testCase.autoDiscoverTests();
G_testRunner.initialize(testCase);