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/*
* Copyright (c) 2013 Menny Even-Danan
*
* 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.
*/
package com.anysoftkeyboard.dictionaries;
import com.anysoftkeyboard.RobolectricAPI18TestRunner;
import com.anysoftkeyboard.ui.settings.MainSettingsActivity;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.Robolectric;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
@RunWith(RobolectricAPI18TestRunner.class)
public class BTreeDictionaryTest {
TestableBTreeDictionary mDictionaryUnderTest;
@Before
public void setup() throws Exception {
MainSettingsActivity activity = Robolectric.buildActivity(MainSettingsActivity.class).create().resume().get();
mDictionaryUnderTest = new TestableBTreeDictionary("TEST", activity);
}
@Test
public void testLoadDictionary() throws Exception {
//no words now
Assert.assertFalse(mDictionaryUnderTest.isValidWord((String) TestableBTreeDictionary.STORAGE[0][1]));
//ok, now yes words
mDictionaryUnderTest.loadDictionary();
for(int row=0; row<TestableBTreeDictionary.STORAGE.length; row++) {
final String word = (String)TestableBTreeDictionary.STORAGE[row][1];
final int freq = ((Integer)TestableBTreeDictionary.STORAGE[row][2]).intValue();
assertTrue("Word at row " + row + " (" + word + ") should be valid.", mDictionaryUnderTest.isValidWord(word));
Assert.assertEquals(mDictionaryUnderTest.getWordFrequency(word), freq);
}
//checking validity of the internal structure
assetNodeArrayIsValid(mDictionaryUnderTest.getRoot());
}
@Test
public void testAddWord() throws Exception {
mDictionaryUnderTest.loadDictionary();
assertTrue(mDictionaryUnderTest.addWord("new", 23));
Assert.assertEquals("new", mDictionaryUnderTest.wordRequestedToAddedToStorage);
Assert.assertEquals(23, mDictionaryUnderTest.wordFrequencyRequestedToAddedToStorage);
assertTrue(mDictionaryUnderTest.isValidWord("new"));
Assert.assertEquals(mDictionaryUnderTest.getWordFrequency("new"), 23);
//checking validity of the internal structure
assetNodeArrayIsValid(mDictionaryUnderTest.getRoot());
assertTrue(mDictionaryUnderTest.addWord("new", 34));
Assert.assertEquals("new", mDictionaryUnderTest.wordRequestedToAddedToStorage);
Assert.assertEquals(34, mDictionaryUnderTest.wordFrequencyRequestedToAddedToStorage);
assertTrue(mDictionaryUnderTest.isValidWord("new"));
Assert.assertEquals(mDictionaryUnderTest.getWordFrequency("new"), 34);
//checking validity of the internal structure
assetNodeArrayIsValid(mDictionaryUnderTest.getRoot());
assertTrue(mDictionaryUnderTest.addWord("newa", 45));
assertTrue(mDictionaryUnderTest.isValidWord("newa"));
Assert.assertEquals(mDictionaryUnderTest.getWordFrequency("new"), 34);
Assert.assertEquals(mDictionaryUnderTest.getWordFrequency("newa"), 45);
//checking validity of the internal structure
assetNodeArrayIsValid(mDictionaryUnderTest.getRoot());
assertTrue(mDictionaryUnderTest.addWord("nea", 47));
Assert.assertEquals("nea", mDictionaryUnderTest.wordRequestedToAddedToStorage);
Assert.assertEquals(47, mDictionaryUnderTest.wordFrequencyRequestedToAddedToStorage);
assertTrue(mDictionaryUnderTest.isValidWord("nea"));
Assert.assertEquals(mDictionaryUnderTest.getWordFrequency("new"), 34);
Assert.assertEquals(mDictionaryUnderTest.getWordFrequency("newa"), 45);
Assert.assertEquals(mDictionaryUnderTest.getWordFrequency("nea"), 47);
//checking validity of the internal structure
assetNodeArrayIsValid(mDictionaryUnderTest.getRoot());
assertTrue(mDictionaryUnderTest.addWord("neabb", 50));
Assert.assertEquals("neabb", mDictionaryUnderTest.wordRequestedToAddedToStorage);
Assert.assertEquals(50, mDictionaryUnderTest.wordFrequencyRequestedToAddedToStorage);
assertTrue(mDictionaryUnderTest.isValidWord("neabb"));
Assert.assertFalse(mDictionaryUnderTest.isValidWord("neab"));
Assert.assertEquals(mDictionaryUnderTest.getWordFrequency("new"), 34);
Assert.assertEquals(mDictionaryUnderTest.getWordFrequency("newa"), 45);
Assert.assertEquals(mDictionaryUnderTest.getWordFrequency("nea"), 47);
Assert.assertEquals(mDictionaryUnderTest.getWordFrequency("neabb"), 50);
Assert.assertEquals(mDictionaryUnderTest.getWordFrequency("neab"), 0);
//checking validity of the internal structure
assetNodeArrayIsValid(mDictionaryUnderTest.getRoot());
}
@Test
public void testOnStorageChanged() throws Exception {
}
@Test
public void testDeleteWord() throws Exception {
mDictionaryUnderTest.loadDictionary();
//from read storage
String word = (String)TestableBTreeDictionary.STORAGE[0][1];
int wordFreq = ((Integer)TestableBTreeDictionary.STORAGE[0][2]).intValue();
assertTrue(mDictionaryUnderTest.isValidWord(word));
mDictionaryUnderTest.deleteWord(word);
Assert.assertFalse(mDictionaryUnderTest.isValidWord(word));
Assert.assertEquals(mDictionaryUnderTest.wordRequestedToBeDeletedFromStorage, word);
//checking validity of the internal structure
assetNodeArrayIsValid(mDictionaryUnderTest.getRoot());
//re-adding
assertTrue(mDictionaryUnderTest.addWord(word, wordFreq + 1));
assertTrue(mDictionaryUnderTest.isValidWord(word));
Assert.assertEquals(wordFreq+1, mDictionaryUnderTest.getWordFrequency(word));
mDictionaryUnderTest.wordRequestedToBeDeletedFromStorage = null;
mDictionaryUnderTest.deleteWord(word);
Assert.assertFalse(mDictionaryUnderTest.isValidWord(word));
Assert.assertEquals(mDictionaryUnderTest.wordRequestedToBeDeletedFromStorage, word);
//checking validity of the internal structure
assetNodeArrayIsValid(mDictionaryUnderTest.getRoot());
//a new one
word = "new";
assertTrue(mDictionaryUnderTest.addWord(word, wordFreq));
assertTrue(mDictionaryUnderTest.isValidWord(word));
Assert.assertEquals(wordFreq, mDictionaryUnderTest.getWordFrequency(word));
mDictionaryUnderTest.wordRequestedToBeDeletedFromStorage = null;
mDictionaryUnderTest.deleteWord(word);
Assert.assertFalse(mDictionaryUnderTest.isValidWord(word));
Assert.assertEquals(mDictionaryUnderTest.wordRequestedToBeDeletedFromStorage, word);
//checking validity of the internal structure
assetNodeArrayIsValid(mDictionaryUnderTest.getRoot());
//none existing
Assert.assertFalse(mDictionaryUnderTest.isValidWord("fail"));
mDictionaryUnderTest.deleteWord("fail");
Assert.assertFalse(mDictionaryUnderTest.isValidWord("fail"));
//checking validity of the internal structure
assetNodeArrayIsValid(mDictionaryUnderTest.getRoot());
//deleting part of the root
mDictionaryUnderTest.addWord("root", 1);
mDictionaryUnderTest.addWord("rooting", 2);
mDictionaryUnderTest.addWord("rootina", 2);
Assert.assertFalse(mDictionaryUnderTest.isValidWord("roo"));
Assert.assertFalse(mDictionaryUnderTest.isValidWord("rooti"));
//checking validity of the internal structure
assetNodeArrayIsValid(mDictionaryUnderTest.getRoot());
mDictionaryUnderTest.deleteWord("root");
Assert.assertFalse(mDictionaryUnderTest.isValidWord("roo"));
Assert.assertFalse(mDictionaryUnderTest.isValidWord("root"));
Assert.assertFalse(mDictionaryUnderTest.isValidWord("rooti"));
assertTrue(mDictionaryUnderTest.isValidWord("rooting"));
assertTrue(mDictionaryUnderTest.isValidWord("rootina"));
//checking validity of the internal structure
assetNodeArrayIsValid(mDictionaryUnderTest.getRoot());
mDictionaryUnderTest.deleteWord("rooting");
Assert.assertFalse(mDictionaryUnderTest.isValidWord("root"));
Assert.assertFalse(mDictionaryUnderTest.isValidWord("rooti"));
Assert.assertFalse(mDictionaryUnderTest.isValidWord("rooting"));
assertTrue(mDictionaryUnderTest.isValidWord("rootina"));
//checking validity of the internal structure
assetNodeArrayIsValid(mDictionaryUnderTest.getRoot());
mDictionaryUnderTest.addWord("root", 1);
assertTrue(mDictionaryUnderTest.isValidWord("root"));
Assert.assertFalse(mDictionaryUnderTest.isValidWord("rooting"));
Assert.assertFalse(mDictionaryUnderTest.isValidWord("rooti"));
assertTrue(mDictionaryUnderTest.isValidWord("rootina"));
//checking validity of the internal structure
assetNodeArrayIsValid(mDictionaryUnderTest.getRoot());
mDictionaryUnderTest.deleteWord("rootina");
assertTrue(mDictionaryUnderTest.isValidWord("root"));
Assert.assertFalse(mDictionaryUnderTest.isValidWord("rooting"));
Assert.assertFalse(mDictionaryUnderTest.isValidWord("rooti"));
Assert.assertFalse(mDictionaryUnderTest.isValidWord("rootina"));
//checking validity of the internal structure
assetNodeArrayIsValid(mDictionaryUnderTest.getRoot());
}
private void assetNodeArrayIsValid(BTreeDictionary.NodeArray root) {
assertTrue(root.length >=0);
assertTrue(root.length <= root.data.length);
for (int i=0;i<root.length;i++) {
assertNotNull(root.data[i]);
if (root.data[i].children != null)//it may be null.
assetNodeArrayIsValid(root.data[i].children);
}
}
@Test
public void testClose() throws Exception {
mDictionaryUnderTest.loadDictionary();
assertTrue(mDictionaryUnderTest.isValidWord((String) TestableBTreeDictionary.STORAGE[0][1]));
mDictionaryUnderTest.close();
assertTrue(mDictionaryUnderTest.storageIsClosed);
Assert.assertFalse(mDictionaryUnderTest.isValidWord((String)TestableBTreeDictionary.STORAGE[0][1]));
Assert.assertEquals(mDictionaryUnderTest.getWordFrequency((String)TestableBTreeDictionary.STORAGE[0][1]), 0);
Assert.assertFalse(mDictionaryUnderTest.addWord("fail", 1));
}
}
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