InputLogicTests.java revision 73a2426d455e6e83dd9402913889f80a0071f0ac
1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.inputmethod.latin;
18
19import android.test.suitebuilder.annotation.LargeTest;
20import android.view.inputmethod.BaseInputConnection;
21
22@LargeTest
23public class InputLogicTests extends InputTestsBase {
24
25    public void testTypeWord() {
26        final String WORD_TO_TYPE = "abcd";
27        type(WORD_TO_TYPE);
28        assertEquals("type word", WORD_TO_TYPE, mEditText.getText().toString());
29    }
30
31    public void testPickSuggestionThenBackspace() {
32        final String WORD_TO_TYPE = "this";
33        final String EXPECTED_RESULT = "thi";
34        type(WORD_TO_TYPE);
35        pickSuggestionManually(0, WORD_TO_TYPE);
36        mLatinIME.onUpdateSelection(0, 0, WORD_TO_TYPE.length(), WORD_TO_TYPE.length(), -1, -1);
37        type(Constants.CODE_DELETE);
38        assertEquals("press suggestion then backspace", EXPECTED_RESULT,
39                mEditText.getText().toString());
40    }
41
42    public void testPickAutoCorrectionThenBackspace() {
43        final String WORD_TO_TYPE = "tgis";
44        final String WORD_TO_PICK = "this";
45        final String EXPECTED_RESULT = "thi";
46        type(WORD_TO_TYPE);
47        // Choose the auto-correction, which is always in position 0. For "tgis", the
48        // auto-correction should be "this".
49        pickSuggestionManually(0, WORD_TO_PICK);
50        mLatinIME.onUpdateSelection(0, 0, WORD_TO_TYPE.length(), WORD_TO_TYPE.length(), -1, -1);
51        assertEquals("pick typed word over auto-correction then backspace", WORD_TO_PICK,
52                mEditText.getText().toString());
53        type(Constants.CODE_DELETE);
54        assertEquals("pick typed word over auto-correction then backspace", EXPECTED_RESULT,
55                mEditText.getText().toString());
56    }
57
58    public void testPickTypedWordOverAutoCorrectionThenBackspace() {
59        final String WORD_TO_TYPE = "tgis";
60        final String EXPECTED_RESULT = "tgi";
61        type(WORD_TO_TYPE);
62        // Choose the typed word, which should be in position 1 (because position 0 should
63        // be occupied by the "this" auto-correction, as checked by testAutoCorrect())
64        pickSuggestionManually(1, WORD_TO_TYPE);
65        mLatinIME.onUpdateSelection(0, 0, WORD_TO_TYPE.length(), WORD_TO_TYPE.length(), -1, -1);
66        assertEquals("pick typed word over auto-correction then backspace", WORD_TO_TYPE,
67                mEditText.getText().toString());
68        type(Constants.CODE_DELETE);
69        assertEquals("pick typed word over auto-correction then backspace", EXPECTED_RESULT,
70                mEditText.getText().toString());
71    }
72
73    public void testPickDifferentSuggestionThenBackspace() {
74        final String WORD_TO_TYPE = "tgis";
75        final String WORD_TO_PICK = "thus";
76        final String EXPECTED_RESULT = "thu";
77        type(WORD_TO_TYPE);
78        // Choose the second suggestion, which should be in position 2 and should be "thus"
79        // when "tgis is typed.
80        pickSuggestionManually(2, WORD_TO_PICK);
81        mLatinIME.onUpdateSelection(0, 0, WORD_TO_TYPE.length(), WORD_TO_TYPE.length(), -1, -1);
82        assertEquals("pick different suggestion then backspace", WORD_TO_PICK,
83                mEditText.getText().toString());
84        type(Constants.CODE_DELETE);
85        assertEquals("pick different suggestion then backspace", EXPECTED_RESULT,
86                mEditText.getText().toString());
87    }
88
89    public void testDeleteSelection() {
90        final String STRING_TO_TYPE = "some text delete me some text";
91        final int typedLength = STRING_TO_TYPE.length();
92        final int SELECTION_START = 10;
93        final int SELECTION_END = 19;
94        final String EXPECTED_RESULT = "some text  some text";
95        type(STRING_TO_TYPE);
96        // There is no IMF to call onUpdateSelection for us so we must do it by hand.
97        // Send once to simulate the cursor actually responding to the move caused by typing.
98        // This is necessary because LatinIME is bookkeeping to avoid confusing a real cursor
99        // move with a move triggered by LatinIME inputting stuff.
100        mLatinIME.onUpdateSelection(0, 0, typedLength, typedLength, -1, -1);
101        mInputConnection.setSelection(SELECTION_START, SELECTION_END);
102        // And now we simulate the user actually selecting some text.
103        mLatinIME.onUpdateSelection(typedLength, typedLength,
104                SELECTION_START, SELECTION_END, -1, -1);
105        type(Constants.CODE_DELETE);
106        assertEquals("delete selection", EXPECTED_RESULT, mEditText.getText().toString());
107    }
108
109    public void testDeleteSelectionTwice() {
110        final String STRING_TO_TYPE = "some text delete me some text";
111        final int typedLength = STRING_TO_TYPE.length();
112        final int SELECTION_START = 10;
113        final int SELECTION_END = 19;
114        final String EXPECTED_RESULT = "some text some text";
115        type(STRING_TO_TYPE);
116        // There is no IMF to call onUpdateSelection for us so we must do it by hand.
117        // Send once to simulate the cursor actually responding to the move caused by typing.
118        // This is necessary because LatinIME is bookkeeping to avoid confusing a real cursor
119        // move with a move triggered by LatinIME inputting stuff.
120        mLatinIME.onUpdateSelection(0, 0, typedLength, typedLength, -1, -1);
121        mInputConnection.setSelection(SELECTION_START, SELECTION_END);
122        // And now we simulate the user actually selecting some text.
123        mLatinIME.onUpdateSelection(typedLength, typedLength,
124                SELECTION_START, SELECTION_END, -1, -1);
125        type(Constants.CODE_DELETE);
126        type(Constants.CODE_DELETE);
127        assertEquals("delete selection twice", EXPECTED_RESULT, mEditText.getText().toString());
128    }
129
130    public void testAutoCorrect() {
131        final String STRING_TO_TYPE = "tgis ";
132        final String EXPECTED_RESULT = "this ";
133        type(STRING_TO_TYPE);
134        assertEquals("simple auto-correct", EXPECTED_RESULT, mEditText.getText().toString());
135    }
136
137    public void testAutoCorrectWithQuote() {
138        final String STRING_TO_TYPE = "didn' ";
139        final String EXPECTED_RESULT = "didn't ";
140        type(STRING_TO_TYPE);
141        assertEquals("auto-correct with quote", EXPECTED_RESULT, mEditText.getText().toString());
142    }
143
144    public void testAutoCorrectWithPeriod() {
145        final String STRING_TO_TYPE = "tgis.";
146        final String EXPECTED_RESULT = "this.";
147        type(STRING_TO_TYPE);
148        assertEquals("auto-correct with period", EXPECTED_RESULT, mEditText.getText().toString());
149    }
150
151    public void testAutoCorrectWithPeriodThenRevert() {
152        final String STRING_TO_TYPE = "tgis.";
153        final String EXPECTED_RESULT = "tgis.";
154        type(STRING_TO_TYPE);
155        mLatinIME.onUpdateSelection(0, 0, STRING_TO_TYPE.length(), STRING_TO_TYPE.length(), -1, -1);
156        type(Constants.CODE_DELETE);
157        assertEquals("auto-correct with period then revert", EXPECTED_RESULT,
158                mEditText.getText().toString());
159    }
160
161    public void testAutoCorrectWithSpaceThenRevert() {
162        final String STRING_TO_TYPE = "tgis ";
163        final String EXPECTED_RESULT = "tgis ";
164        type(STRING_TO_TYPE);
165        mLatinIME.onUpdateSelection(0, 0, STRING_TO_TYPE.length(), STRING_TO_TYPE.length(), -1, -1);
166        type(Constants.CODE_DELETE);
167        assertEquals("auto-correct with space then revert", EXPECTED_RESULT,
168                mEditText.getText().toString());
169    }
170
171    public void testAutoCorrectToSelfDoesNotRevert() {
172        final String STRING_TO_TYPE = "this ";
173        final String EXPECTED_RESULT = "this";
174        type(STRING_TO_TYPE);
175        mLatinIME.onUpdateSelection(0, 0, STRING_TO_TYPE.length(), STRING_TO_TYPE.length(), -1, -1);
176        type(Constants.CODE_DELETE);
177        assertEquals("auto-correct with space does not revert", EXPECTED_RESULT,
178                mEditText.getText().toString());
179    }
180
181    public void testDoubleSpace() {
182        // U+1F607 is an emoji
183        final String[] STRINGS_TO_TYPE =
184                new String[] { "this   ", "a+  ", "\u1F607  ", "..  ", ")  ", "(  ", "%  " };
185        final String[] EXPECTED_RESULTS =
186                new String[] { "this.  ", "a+. ", "\u1F607. ", "..  ", "). ", "(  ", "%. " };
187        for (int i = 0; i < STRINGS_TO_TYPE.length; ++i) {
188            mEditText.setText("");
189            type(STRINGS_TO_TYPE[i]);
190            assertEquals("double space processing", EXPECTED_RESULTS[i],
191                    mEditText.getText().toString());
192        }
193    }
194
195    public void testCancelDoubleSpace() {
196        final String STRING_TO_TYPE = "this  ";
197        final String EXPECTED_RESULT = "this ";
198        type(STRING_TO_TYPE);
199        type(Constants.CODE_DELETE);
200        assertEquals("double space make a period", EXPECTED_RESULT, mEditText.getText().toString());
201    }
202
203    public void testBackspaceAtStartAfterAutocorrect() {
204        final String STRING_TO_TYPE = "tgis ";
205        final int typedLength = STRING_TO_TYPE.length();
206        final String EXPECTED_RESULT = "this ";
207        final int NEW_CURSOR_POSITION = 0;
208        type(STRING_TO_TYPE);
209        mLatinIME.onUpdateSelection(0, 0, typedLength, typedLength, -1, -1);
210        mInputConnection.setSelection(NEW_CURSOR_POSITION, NEW_CURSOR_POSITION);
211        mLatinIME.onUpdateSelection(typedLength, typedLength,
212                NEW_CURSOR_POSITION, NEW_CURSOR_POSITION, -1, -1);
213        type(Constants.CODE_DELETE);
214        assertEquals("auto correct then move cursor to start of line then backspace",
215                EXPECTED_RESULT, mEditText.getText().toString());
216    }
217
218    public void testAutoCorrectThenMoveCursorThenBackspace() {
219        final String STRING_TO_TYPE = "and tgis ";
220        final int typedLength = STRING_TO_TYPE.length();
221        final String EXPECTED_RESULT = "andthis ";
222        final int NEW_CURSOR_POSITION = STRING_TO_TYPE.indexOf('t');
223        type(STRING_TO_TYPE);
224        mLatinIME.onUpdateSelection(0, 0, typedLength, typedLength, -1, -1);
225        mInputConnection.setSelection(NEW_CURSOR_POSITION, NEW_CURSOR_POSITION);
226        mLatinIME.onUpdateSelection(typedLength, typedLength,
227                NEW_CURSOR_POSITION, NEW_CURSOR_POSITION, -1, -1);
228        type(Constants.CODE_DELETE);
229        assertEquals("auto correct then move cursor then backspace",
230                EXPECTED_RESULT, mEditText.getText().toString());
231    }
232
233    public void testNoSpaceAfterManualPick() {
234        final String WORD_TO_TYPE = "this";
235        final String EXPECTED_RESULT = WORD_TO_TYPE;
236        type(WORD_TO_TYPE);
237        pickSuggestionManually(0, WORD_TO_TYPE);
238        assertEquals("no space after manual pick", EXPECTED_RESULT,
239                mEditText.getText().toString());
240    }
241
242    public void testManualPickThenType() {
243        final String WORD1_TO_TYPE = "this";
244        final String WORD2_TO_TYPE = "is";
245        final String EXPECTED_RESULT = "this is";
246        type(WORD1_TO_TYPE);
247        pickSuggestionManually(0, WORD1_TO_TYPE);
248        type(WORD2_TO_TYPE);
249        assertEquals("manual pick then type", EXPECTED_RESULT, mEditText.getText().toString());
250    }
251
252    public void testManualPickThenSeparator() {
253        final String WORD1_TO_TYPE = "this";
254        final String WORD2_TO_TYPE = "!";
255        final String EXPECTED_RESULT = "this!";
256        type(WORD1_TO_TYPE);
257        pickSuggestionManually(0, WORD1_TO_TYPE);
258        type(WORD2_TO_TYPE);
259        assertEquals("manual pick then separator", EXPECTED_RESULT, mEditText.getText().toString());
260    }
261
262    public void testManualPickThenStripperThenPick() {
263        final String WORD_TO_TYPE = "this";
264        final String STRIPPER = "\n";
265        final String EXPECTED_RESULT = "this\nthis";
266        type(WORD_TO_TYPE);
267        pickSuggestionManually(0, WORD_TO_TYPE);
268        type(STRIPPER);
269        type(WORD_TO_TYPE);
270        pickSuggestionManually(0, WORD_TO_TYPE);
271        assertEquals("manual pick then \\n then manual pick", EXPECTED_RESULT,
272                mEditText.getText().toString());
273    }
274
275    public void testManualPickThenSpaceThenType() {
276        final String WORD1_TO_TYPE = "this";
277        final String WORD2_TO_TYPE = " is";
278        final String EXPECTED_RESULT = "this is";
279        type(WORD1_TO_TYPE);
280        pickSuggestionManually(0, WORD1_TO_TYPE);
281        type(WORD2_TO_TYPE);
282        assertEquals("manual pick then space then type", EXPECTED_RESULT,
283                mEditText.getText().toString());
284    }
285
286    public void testManualPickThenManualPick() {
287        final String WORD1_TO_TYPE = "this";
288        final String WORD2_TO_PICK = "is";
289        final String EXPECTED_RESULT = "this is";
290        type(WORD1_TO_TYPE);
291        pickSuggestionManually(0, WORD1_TO_TYPE);
292        // Here we fake picking a word through bigram prediction. This test is taking
293        // advantage of the fact that Latin IME blindly trusts the caller of #pickSuggestionManually
294        // to actually pass the right string.
295        pickSuggestionManually(1, WORD2_TO_PICK);
296        assertEquals("manual pick then manual pick", EXPECTED_RESULT,
297                mEditText.getText().toString());
298    }
299
300    public void testDeleteWholeComposingWord() {
301        final String WORD_TO_TYPE = "this";
302        type(WORD_TO_TYPE);
303        for (int i = 0; i < WORD_TO_TYPE.length(); ++i) {
304            type(Constants.CODE_DELETE);
305        }
306        assertEquals("delete whole composing word", "", mEditText.getText().toString());
307    }
308
309    public void testResumeSuggestionOnBackspace() {
310        final String STRING_TO_TYPE = "and this ";
311        final int typedLength = STRING_TO_TYPE.length();
312        type(STRING_TO_TYPE);
313        assertEquals("resume suggestion on backspace", -1,
314                BaseInputConnection.getComposingSpanStart(mEditText.getText()));
315        assertEquals("resume suggestion on backspace", -1,
316                BaseInputConnection.getComposingSpanEnd(mEditText.getText()));
317        mLatinIME.onUpdateSelection(0, 0, typedLength, typedLength, -1, -1);
318        type(Constants.CODE_DELETE);
319        assertEquals("resume suggestion on backspace", 4,
320                BaseInputConnection.getComposingSpanStart(mEditText.getText()));
321        assertEquals("resume suggestion on backspace", 8,
322                BaseInputConnection.getComposingSpanEnd(mEditText.getText()));
323    }
324
325    private void helperTestComposing(final String wordToType, final boolean shouldBeComposing) {
326        mEditText.setText("");
327        type(wordToType);
328        assertEquals("start composing inside text", shouldBeComposing ? 0 : -1,
329                BaseInputConnection.getComposingSpanStart(mEditText.getText()));
330        assertEquals("start composing inside text", shouldBeComposing ? wordToType.length() : -1,
331                BaseInputConnection.getComposingSpanEnd(mEditText.getText()));
332    }
333
334    public void testStartComposing() {
335        // Should start composing on a letter
336        helperTestComposing("a", true);
337        type("  "); // To reset the composing state
338        // Should not start composing on quote
339        helperTestComposing("'", false);
340        type("  ");
341        helperTestComposing("'-", false);
342        type("  ");
343        // Should not start composing on dash
344        helperTestComposing("-", false);
345        type("  ");
346        helperTestComposing("-'", false);
347        type("  ");
348        helperTestComposing("a-", true);
349        type("  ");
350        helperTestComposing("a'", true);
351    }
352    // TODO: Add some tests for non-BMP characters
353
354    public void testAutoCorrectByUserHistory() {
355        final String WORD_TO_BE_CORRECTED = "qpmx";
356        final String NOT_CORRECTED_RESULT = "qpmx ";
357        final String DESIRED_WORD = "qpmz";
358        final String CORRECTED_RESULT = "qpmz ";
359        final int typeCountNotToAutocorrect = 1;
360        final int typeCountToAutoCorrect = 16;
361        int startIndex = 0;
362        int endIndex = 0;
363
364        for (int i = 0; i < typeCountNotToAutocorrect; i++) {
365            type(DESIRED_WORD);
366            type(Constants.CODE_SPACE);
367        }
368        startIndex = mEditText.getText().length();
369        type(WORD_TO_BE_CORRECTED);
370        type(Constants.CODE_SPACE);
371        endIndex = mEditText.getText().length();
372        assertEquals("not auto-corrected by user history", NOT_CORRECTED_RESULT,
373                mEditText.getText().subSequence(startIndex, endIndex).toString());
374        for (int i = typeCountNotToAutocorrect; i < typeCountToAutoCorrect; i++) {
375            type(DESIRED_WORD);
376            type(Constants.CODE_SPACE);
377        }
378        startIndex = mEditText.getText().length();
379        type(WORD_TO_BE_CORRECTED);
380        type(Constants.CODE_SPACE);
381        endIndex = mEditText.getText().length();
382        assertEquals("auto-corrected by user history",
383                CORRECTED_RESULT, mEditText.getText().subSequence(startIndex, endIndex).toString());
384    }
385
386    public void testPredictionsAfterSpace() {
387        final String WORD_TO_TYPE = "Barack ";
388        type(WORD_TO_TYPE);
389        sleep(DELAY_TO_WAIT_FOR_PREDICTIONS);
390        runMessages();
391        // Test the first prediction is displayed
392        final SuggestedWords suggestedWords = mLatinIME.getSuggestedWordsForTest();
393        assertEquals("predictions after space", "Obama",
394                suggestedWords.size() > 0 ? suggestedWords.getWord(0) : null);
395    }
396
397    public void testPredictionsAfterManualPick() {
398        final String WORD_TO_TYPE = "Barack";
399        type(WORD_TO_TYPE);
400        // Choose the auto-correction, which is always in position 0. For "Barack", the
401        // auto-correction should be "Barack".
402        pickSuggestionManually(0, WORD_TO_TYPE);
403        sleep(DELAY_TO_WAIT_FOR_PREDICTIONS);
404        runMessages();
405        // Test the first prediction is displayed
406        final SuggestedWords suggestedWords = mLatinIME.getSuggestedWordsForTest();
407        assertEquals("predictions after manual pick", "Obama",
408                suggestedWords.size() > 0 ? suggestedWords.getWord(0) : null);
409    }
410
411    public void testNoPredictionsAfterPeriod() {
412        final String WORD_TO_TYPE = "Barack. ";
413        type(WORD_TO_TYPE);
414        sleep(DELAY_TO_WAIT_FOR_PREDICTIONS);
415        runMessages();
416        // Test the first prediction is not displayed
417        final SuggestedWords suggestedWords = mLatinIME.getSuggestedWordsForTest();
418        assertEquals("no prediction after period", 0, suggestedWords.size());
419    }
420
421    public void testPredictionsAfterRecorrection() {
422        final String PREFIX = "A ";
423        final String WORD_TO_TYPE = "Barack";
424        final String FIRST_NON_TYPED_SUGGESTION = "Barrack";
425        final int endOfPrefix = PREFIX.length();
426        final int endOfWord = endOfPrefix + WORD_TO_TYPE.length();
427        final int endOfSuggestion = endOfPrefix + FIRST_NON_TYPED_SUGGESTION.length();
428        final int indexForManualCursor = endOfPrefix + 3; // +3 because it's after "Bar" in "Barack"
429        type(PREFIX);
430        mLatinIME.onUpdateSelection(0, 0, endOfPrefix, endOfPrefix, -1, -1);
431        type(WORD_TO_TYPE);
432        pickSuggestionManually(1, FIRST_NON_TYPED_SUGGESTION);
433        mLatinIME.onUpdateSelection(endOfPrefix, endOfPrefix, endOfSuggestion, endOfSuggestion,
434                -1, -1);
435        runMessages();
436        type(" ");
437        mLatinIME.onUpdateSelection(endOfSuggestion, endOfSuggestion,
438                endOfSuggestion + 1, endOfSuggestion + 1, -1, -1);
439        sleep(DELAY_TO_WAIT_FOR_PREDICTIONS);
440        runMessages();
441        // Simulate a manual cursor move
442        mInputConnection.setSelection(indexForManualCursor, indexForManualCursor);
443        mLatinIME.onUpdateSelection(endOfSuggestion + 1, endOfSuggestion + 1,
444                indexForManualCursor, indexForManualCursor, -1, -1);
445        sleep(DELAY_TO_WAIT_FOR_PREDICTIONS);
446        runMessages();
447        pickSuggestionManually(0, WORD_TO_TYPE);
448        mLatinIME.onUpdateSelection(indexForManualCursor, indexForManualCursor,
449                endOfWord, endOfWord, -1, -1);
450        sleep(DELAY_TO_WAIT_FOR_PREDICTIONS);
451        runMessages();
452        // Test the first prediction is displayed
453        final SuggestedWords suggestedWords = mLatinIME.getSuggestedWordsForTest();
454        assertEquals("predictions after recorrection", "Obama",
455                suggestedWords.size() > 0 ? suggestedWords.getWord(0) : null);
456    }
457}
458