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gaia/apps/keyboard/js/imes/jspinyin/tests/init.js

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+'use strict';
+
+const testRepeatCount = 10;
+
+var emEngineWrapper = {
+  _worker: null,
+  _callback: null,
+  _initialized: false,
+
+  post: function(id, param, callback) {
+    if (!this._initialized && id != 'init') {
+      throw 'Database not ready!';
+    }
+
+    if (!this._callback[id]) {
+      this._callback[id] = [];
+    }
+
+    this._callback[id].push(callback);
+    this._worker.postMessage({
+      id: id,
+      param: param
+    });
+
+    return true;
+  },
+
+  init: function(path, byteArray, callback) {
+    if (this._initialized) {
+      callback(true);
+    }
+
+    var self = this;
+
+    this._callback = {};
+    this._worker = new Worker(path + '/worker.js');
+
+    this._worker.onmessage = function(e) {
+      var data = e.data;
+
+      switch (data.id) {
+      case 'message':
+        console.log('emEngineWrapper: ' + data.returnValue);
+        break;
+      default:
+        var msgCallback = self._callback[data.id].shift();
+        if (msgCallback) {
+          msgCallback(data.returnValue);
+        }
+      }
+    };
+
+    this.post('init', {
+      userDict: byteArray
+    }, function(isOk) {
+      if (isOk) {
+        self._initialized = true;
+      } else {
+        self.uninit();
+      }
+      callback(isOk);
+    });
+  },
+
+  uninit: function() {
+    if (this._worker) {
+      this._worker.terminate();
+    }
+    this._worker = null;
+    this._callback = null;
+    this._initialized = false;
+  },
+
+  isReady: function() {
+    return this._initialized;
+  }
+};
+
+window.addEventListener('load', function() {
+  document.getElementById('status').textContent =
+    'NOTE: please copy "../empinyin_files.*", "../libpinyin.js" and ' +
+    '"worker.js" to this "tests" folder first.';
+  document.getElementById('test2').value = 'test x ' + testRepeatCount;
+
+  emEngineWrapper.init('.', null, function(isOk) {
+    if (isOk) {
+      document.getElementById('status').textContent = '';
+      log('Engine ready!');
+      initTest();
+    } else {
+      log('Load data failed!');
+    }
+  });
+});
+
+function log(msg) {
+  var date = new Date();
+  var loggerTime = date.getHours() + ':' + date.getMinutes() + ':' +
+                   date.getSeconds() + ':' + date.getMilliseconds();
+
+  var divLog = document.getElementById('log');
+  var p = document.createElement('p');
+  p.innerHTML = loggerTime + ' : ' + msg;
+  divLog.insertBefore(p, divLog.firstChild);
+}
+
+function initTest() {
+  document.getElementById('test').onclick = function() {
+    var keyword = document.getElementById('pinyin').value;
+
+    try {
+      log('search keyword ' + keyword);
+
+      var startTime = new Date().getTime();
+
+      emEngineWrapper.post('im_search', {
+        queryString: keyword,
+        limit: -1
+      }, function(returnValue) {
+        var endTime = new Date().getTime();
+
+        log('total cost: ' + (endTime - startTime) + 'ms');
+
+        var size = returnValue.length;
+        var candidates = returnValue.results;
+
+        log('length: ' + size);
+        log('Candidates: ' + candidates.join(' '));
+
+        emEngineWrapper.post('im_choose', {
+          candId: 0
+        }, function(convertedText) {
+          log('Choose: ' + convertedText);
+
+          if (convertedText) {
+            startTime = new Date().getTime();
+
+            emEngineWrapper.post('im_search_predicts', {
+              queryString: convertedText,
+              limit: -1
+            }, function(returnValue) {
+              endTime = new Date().getTime();
+
+              log('total cost: ' + (endTime - startTime) + 'ms');
+
+              var nPredicts = returnValue.length;
+              var predicts = returnValue.results;
+
+              log('length: ' + nPredicts);
+              log('Predicts: ' + predicts.join(' '));
+            });
+          }
+        });
+      });
+    } catch (e) {
+      log('error: ' + e);
+    }
+  };
+
+  document.getElementById('test2').onclick = function() {
+    var keyword = document.getElementById('pinyin').value;
+
+    try {
+      log('search ' + testRepeatCount + ' times keyword ' + keyword);
+
+      var startTime = new Date().getTime();
+      var counter = 0;
+
+      var doTest = function() {
+        emEngineWrapper.post('im_search', {
+          queryString: keyword,
+          limit: -1
+        }, function(returnValue) {
+          if (++counter == testRepeatCount) {
+            var endTime = new Date().getTime();
+            var period = endTime - startTime;
+
+            log('total cost: ' + period + 'ms');
+            log('average cost: ' + (period / testRepeatCount) + 'ms');
+            log('length: ' + returnValue.length);
+          } else {
+            doTest();
+          }
+        });
+      };
+
+      doTest();
+    } catch (e) {
+      log('error: ' + e);
+    }
+  };
+}