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Merge "Add large unit test for dictionary migration."

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This commit is contained in:
Keisuke Kuroyanagi 2014-05-13 06:40:28 +00:00 committed by Android (Google) Code Review
commit 5c154edb55
1 changed files with 85 additions and 0 deletions
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tests/src/com/android/inputmethod/latin/BinaryDictionaryTests.java
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@ -1245,6 +1245,12 @@ public class BinaryDictionaryTests extends AndroidTestCase {
addUnigramWord(binaryDictionary, "bbb", unigramProbability);
final int bigramProbability = 10;
addBigramWords(binaryDictionary, "aaa", "bbb", bigramProbability);
final int shortcutProbability = 10;
binaryDictionary.addUnigramWord("ccc", unigramProbability, "xxx", shortcutProbability,
false /* isNotAWord */, false /* isBlacklisted */, 0 /* timestamp */);
binaryDictionary.addUnigramWord("ddd", unigramProbability, null /* shortcutTarget */,
Dictionary.NOT_A_PROBABILITY, true /* isNotAWord */,
true /* isBlacklisted */, 0 /* timestamp */);
assertEquals(unigramProbability, binaryDictionary.getFrequency("aaa"));
assertEquals(unigramProbability, binaryDictionary.getFrequency("bbb"));
assertTrue(binaryDictionary.isValidBigram("aaa", "bbb"));
@ -1256,5 +1262,84 @@ public class BinaryDictionaryTests extends AndroidTestCase {
assertEquals(unigramProbability, binaryDictionary.getFrequency("bbb"));
// TODO: Add tests for bigram frequency when the implementation gets ready.
assertTrue(binaryDictionary.isValidBigram("aaa", "bbb"));
WordProperty wordProperty = binaryDictionary.getWordProperty("ccc");
assertEquals(1, wordProperty.mShortcutTargets.size());
assertEquals("xxx", wordProperty.mShortcutTargets.get(0).mWord);
wordProperty = binaryDictionary.getWordProperty("ddd");
assertTrue(wordProperty.mIsBlacklistEntry);
assertTrue(wordProperty.mIsNotAWord);
}
public void testLargeDictMigration() {
testLargeDictMigration(FormatSpec.VERSION4_ONLY_FOR_TESTING, FormatSpec.VERSION4);
}
private void testLargeDictMigration(final int fromFormatVersion, final int toFormatVersion) {
final int UNIGRAM_COUNT = 3000;
final int BIGRAM_COUNT = 3000;
final int codePointSetSize = 50;
final long seed = System.currentTimeMillis();
final Random random = new Random(seed);
File dictFile = null;
try {
dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary", fromFormatVersion);
} catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e);
}
final BinaryDictionary binaryDictionary = new BinaryDictionary(dictFile.getAbsolutePath(),
0 /* offset */, dictFile.length(), true /* useFullEditDistance */,
Locale.getDefault(), TEST_LOCALE, true /* isUpdatable */);
final ArrayList<String> words = new ArrayList<String>();
final ArrayList<Pair<String, String>> bigrams = new ArrayList<Pair<String,String>>();
final int[] codePointSet = CodePointUtils.generateCodePointSet(codePointSetSize, random);
final HashMap<String, Integer> unigramProbabilities = new HashMap<String, Integer>();
final HashMap<Pair<String, String>, Integer> bigramProbabilities =
new HashMap<Pair<String, String>, Integer>();
for (int i = 0; i < UNIGRAM_COUNT; i++) {
final String word = CodePointUtils.generateWord(random, codePointSet);
final int unigramProbability = random.nextInt(0xFF);
addUnigramWord(binaryDictionary, word, unigramProbability);
if (binaryDictionary.needsToRunGC(true /* mindsBlockByGC */)) {
binaryDictionary.flushWithGC();
}
words.add(word);
unigramProbabilities.put(word, unigramProbability);
}
for (int i = 0; i < BIGRAM_COUNT; i++) {
final int word0Index = random.nextInt(words.size());
final int word1Index = random.nextInt(words.size());
if (word0Index == word1Index) {
continue;
}
final String word0 = words.get(word0Index);
final String word1 = words.get(word1Index);
final int bigramProbability = random.nextInt(0xF);
binaryDictionary.addBigramWords(word0, word1, bigramProbability,
BinaryDictionary.NOT_A_VALID_TIMESTAMP);
if (binaryDictionary.needsToRunGC(true /* mindsBlockByGC */)) {
binaryDictionary.flushWithGC();
}
final Pair<String, String> bigram = new Pair<String, String>(word0, word1);
bigrams.add(bigram);
bigramProbabilities.put(bigram, bigramProbability);
}
assertTrue(binaryDictionary.migrateTo(toFormatVersion));
for (final String word : words) {
assertEquals((int)unigramProbabilities.get(word), binaryDictionary.getFrequency(word));
}
assertEquals(unigramProbabilities.size(), Integer.parseInt(
binaryDictionary.getPropertyForTest(BinaryDictionary.UNIGRAM_COUNT_QUERY)));
for (final Pair<String, String> bigram : bigrams) {
// TODO: Add tests for bigram frequency when the implementation gets ready.
assertTrue(binaryDictionary.isValidBigram(bigram.first, bigram.second));
}
assertEquals(bigramProbabilities.size(), Integer.parseInt(
binaryDictionary.getPropertyForTest(BinaryDictionary.BIGRAM_COUNT_QUERY)));
}
}