Rename to Kelar Keyboard (org.kelar.inputmethod.latin)

1 files changed, 161 insertions, 0 deletions

diff --git a/tests/src/org/kelar/inputmethod/latin/NgramContextTests.java b/tests/src/org/kelar/inputmethod/latin/NgramContextTests.java
new file mode 100644
index 000000000..07b66271d
--- /dev/null
+++ b/tests/src/org/kelar/inputmethod/latin/NgramContextTests.java
@@ -0,0 +1,161 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * 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 org.kelar.inputmethod.latin;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.kelar.inputmethod.latin.NgramContext.WordInfo;
+import org.kelar.inputmethod.latin.settings.SpacingAndPunctuations;
+import org.kelar.inputmethod.latin.utils.NgramContextUtils;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@SmallTest
+@RunWith(AndroidJUnit4.class)
+public class NgramContextTests {
+
+    @Test
+    public void testConstruct() {
+        assertEquals(new NgramContext(new WordInfo("a")), new NgramContext(new WordInfo("a")));
+        assertEquals(new NgramContext(WordInfo.BEGINNING_OF_SENTENCE_WORD_INFO),
+                new NgramContext(WordInfo.BEGINNING_OF_SENTENCE_WORD_INFO));
+        assertEquals(new NgramContext(WordInfo.EMPTY_WORD_INFO),
+                new NgramContext(WordInfo.EMPTY_WORD_INFO));
+        assertEquals(new NgramContext(WordInfo.EMPTY_WORD_INFO),
+                new NgramContext(WordInfo.EMPTY_WORD_INFO));
+    }
+
+    @Test
+    public void testIsBeginningOfSentenceContext() {
+        assertFalse(new NgramContext().isBeginningOfSentenceContext());
+        assertTrue(new NgramContext(WordInfo.BEGINNING_OF_SENTENCE_WORD_INFO)
+                .isBeginningOfSentenceContext());
+        assertTrue(NgramContext.BEGINNING_OF_SENTENCE.isBeginningOfSentenceContext());
+        assertFalse(new NgramContext(new WordInfo("a")).isBeginningOfSentenceContext());
+        assertFalse(new NgramContext(new WordInfo("")).isBeginningOfSentenceContext());
+        assertFalse(new NgramContext(WordInfo.EMPTY_WORD_INFO).isBeginningOfSentenceContext());
+        assertTrue(new NgramContext(WordInfo.BEGINNING_OF_SENTENCE_WORD_INFO, new WordInfo("a"))
+                .isBeginningOfSentenceContext());
+        assertFalse(new NgramContext(new WordInfo("a"), WordInfo.BEGINNING_OF_SENTENCE_WORD_INFO)
+                .isBeginningOfSentenceContext());
+        assertFalse(new NgramContext(
+                WordInfo.EMPTY_WORD_INFO, WordInfo.BEGINNING_OF_SENTENCE_WORD_INFO)
+                .isBeginningOfSentenceContext());
+    }
+
+    @Test
+    public void testGetNextNgramContext() {
+        final NgramContext ngramContext_a = new NgramContext(new WordInfo("a"));
+        final NgramContext ngramContext_b_a =
+                ngramContext_a.getNextNgramContext(new WordInfo("b"));
+        assertEquals("b", ngramContext_b_a.getNthPrevWord(1));
+        assertEquals("a", ngramContext_b_a.getNthPrevWord(2));
+        final NgramContext ngramContext_bos_b =
+                ngramContext_b_a.getNextNgramContext(WordInfo.BEGINNING_OF_SENTENCE_WORD_INFO);
+        assertTrue(ngramContext_bos_b.isBeginningOfSentenceContext());
+        assertEquals("b", ngramContext_bos_b.getNthPrevWord(2));
+        final NgramContext ngramContext_c_bos =
+                ngramContext_b_a.getNextNgramContext(new WordInfo("c"));
+        assertEquals("c", ngramContext_c_bos.getNthPrevWord(1));
+    }
+
+    @Test
+    public void testExtractPrevWordsContextTest() {
+        final NgramContext ngramContext_bos =
+                new NgramContext(WordInfo.BEGINNING_OF_SENTENCE_WORD_INFO);
+        assertEquals("<S>", ngramContext_bos.extractPrevWordsContext());
+        final NgramContext ngramContext_a = new NgramContext(new WordInfo("a"));
+        final NgramContext ngramContext_b_a =
+                ngramContext_a.getNextNgramContext(new WordInfo("b"));
+        assertEquals("b", ngramContext_b_a.getNthPrevWord(1));
+        assertEquals("a", ngramContext_b_a.getNthPrevWord(2));
+        assertEquals("a b", ngramContext_b_a.extractPrevWordsContext());
+
+        final NgramContext ngramContext_bos_b =
+                ngramContext_b_a.getNextNgramContext(WordInfo.BEGINNING_OF_SENTENCE_WORD_INFO);
+        assertTrue(ngramContext_bos_b.isBeginningOfSentenceContext());
+        assertEquals("b", ngramContext_bos_b.getNthPrevWord(2));
+        assertEquals("a b <S>", ngramContext_bos_b.extractPrevWordsContext());
+
+        final NgramContext ngramContext_empty = new NgramContext(WordInfo.EMPTY_WORD_INFO);
+        assertEquals("", ngramContext_empty.extractPrevWordsContext());
+        final NgramContext ngramContext_a_empty =
+                ngramContext_empty.getNextNgramContext(new WordInfo("a"));
+        assertEquals("a", ngramContext_a_empty.getNthPrevWord(1));
+        assertEquals("a", ngramContext_a_empty.extractPrevWordsContext());
+    }
+
+    @Test
+    public void testExtractPrevWordsContextArray() {
+        final NgramContext ngramContext_bos =
+                new NgramContext(WordInfo.BEGINNING_OF_SENTENCE_WORD_INFO);
+        assertEquals("<S>", ngramContext_bos.extractPrevWordsContext());
+        assertEquals(1, ngramContext_bos.extractPrevWordsContextArray().length);
+        final NgramContext ngramContext_a = new NgramContext(new WordInfo("a"));
+        final NgramContext ngramContext_b_a =
+                ngramContext_a.getNextNgramContext(new WordInfo("b"));
+        assertEquals(2, ngramContext_b_a.extractPrevWordsContextArray().length);
+        assertEquals("b", ngramContext_b_a.getNthPrevWord(1));
+        assertEquals("a", ngramContext_b_a.getNthPrevWord(2));
+        assertEquals("a", ngramContext_b_a.extractPrevWordsContextArray()[0]);
+        assertEquals("b", ngramContext_b_a.extractPrevWordsContextArray()[1]);
+
+        final NgramContext ngramContext_bos_b =
+                ngramContext_b_a.getNextNgramContext(WordInfo.BEGINNING_OF_SENTENCE_WORD_INFO);
+        assertTrue(ngramContext_bos_b.isBeginningOfSentenceContext());
+        assertEquals(3, ngramContext_bos_b.extractPrevWordsContextArray().length);
+        assertEquals("b", ngramContext_bos_b.getNthPrevWord(2));
+        assertEquals("a", ngramContext_bos_b.extractPrevWordsContextArray()[0]);
+        assertEquals("b", ngramContext_bos_b.extractPrevWordsContextArray()[1]);
+        assertEquals("<S>", ngramContext_bos_b.extractPrevWordsContextArray()[2]);
+
+        final NgramContext ngramContext_empty = new NgramContext(WordInfo.EMPTY_WORD_INFO);
+        assertEquals(0, ngramContext_empty.extractPrevWordsContextArray().length);
+        final NgramContext ngramContext_a_empty =
+                ngramContext_empty.getNextNgramContext(new WordInfo("a"));
+        assertEquals(1, ngramContext_a_empty.extractPrevWordsContextArray().length);
+        assertEquals("a", ngramContext_a_empty.extractPrevWordsContextArray()[0]);
+    }
+
+    @Test
+    public void testGetNgramContextFromNthPreviousWord() {
+        SpacingAndPunctuations spacingAndPunctuations = new SpacingAndPunctuations(
+                InstrumentationRegistry.getTargetContext().getResources());
+        assertEquals("<S>", NgramContextUtils.getNgramContextFromNthPreviousWord("",
+                spacingAndPunctuations, 1).extractPrevWordsContext());
+        assertEquals("<S> b", NgramContextUtils.getNgramContextFromNthPreviousWord("a. b ",
+                spacingAndPunctuations, 1).extractPrevWordsContext());
+        assertEquals("<S> b", NgramContextUtils.getNgramContextFromNthPreviousWord("a? b ",
+                spacingAndPunctuations, 1).extractPrevWordsContext());
+        assertEquals("<S> b", NgramContextUtils.getNgramContextFromNthPreviousWord("a! b ",
+                spacingAndPunctuations, 1).extractPrevWordsContext());
+        assertEquals("<S> b", NgramContextUtils.getNgramContextFromNthPreviousWord("a\nb ",
+                spacingAndPunctuations, 1).extractPrevWordsContext());
+        assertEquals("<S> a b", NgramContextUtils.getNgramContextFromNthPreviousWord("a b ",
+                spacingAndPunctuations, 1).extractPrevWordsContext());
+        assertFalse(NgramContextUtils
+                .getNgramContextFromNthPreviousWord("a b c d e", spacingAndPunctuations, 1)
+                .extractPrevWordsContext().startsWith("<S>"));
+    }
+}