Add the first tests for the input login in LatinIME class

Change-Id: Ifcf9ab55ee01bf7c6c6829e699246e5654975456

tests/src/com/android/inputmethod/latin/InputLogicTests.java

@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2012 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 com.android.inputmethod.latin;
+
+import android.content.Context;
+import android.content.Intent;
+import android.test.ServiceTestCase;
+import android.text.InputType;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.ViewGroup;
+import android.view.View;
+import android.view.inputmethod.BaseInputConnection;
+import android.view.inputmethod.EditorInfo;
+import android.view.inputmethod.InputConnection;
+import android.widget.FrameLayout;
+import android.widget.TextView;
+
+import com.android.inputmethod.keyboard.Keyboard;
+import com.android.inputmethod.keyboard.KeyboardActionListener;
+
+public class InputLogicTests extends ServiceTestCase<LatinIME> {
+
+    private LatinIME mLatinIME;
+    private TextView mTextView;
+
+    public InputLogicTests() {
+        super(LatinIME.class);
+    }
+
+    @Override
+    protected void setUp() {
+        try {
+            super.setUp();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        mTextView = new TextView(getContext());
+        mTextView.setInputType(InputType.TYPE_CLASS_TEXT);
+        mTextView.setEnabled(true);
+        setupService();
+        mLatinIME = getService();
+        mLatinIME.onCreate();
+        final EditorInfo ei = new EditorInfo();
+        final InputConnection ic = mTextView.onCreateInputConnection(ei);
+        final LayoutInflater inflater =
+                (LayoutInflater)getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+        final ViewGroup vg = new FrameLayout(getContext());
+        final View inputView = inflater.inflate(R.layout.input_view, vg);
+        mLatinIME.setInputView(inputView);
+        mLatinIME.onBindInput();
+        mLatinIME.onCreateInputView();
+        mLatinIME.onStartInputView(ei, false);
+        mLatinIME.onCreateInputMethodInterface().startInput(ic, ei);
+    }
+
+    // type(int) and type(String): helper methods to send a code point resp. a string to LatinIME.
+    private void type(final int codePoint) {
+        // onPressKey and onReleaseKey are explicitly deactivated here, but they do happen in the
+        // code (although multitouch/slide input and other factors make the sequencing complicated).
+        // They are supposed to be entirely deconnected from the input logic from LatinIME point of
+        // view and only delegates to the parts of the code that care. So we don't include them here
+        // to keep these tests as pinpoint as possible and avoid bringing it too many dependencies,
+        // but keep them in mind if something breaks. Commenting them out as is should work.
+        //mLatinIME.onPressKey(codePoint);
+        mLatinIME.onCodeInput(codePoint, new int[] { codePoint },
+                KeyboardActionListener.NOT_A_TOUCH_COORDINATE,
+                KeyboardActionListener.NOT_A_TOUCH_COORDINATE);
+        //mLatinIME.onReleaseKey(codePoint, false);
+    }
+
+    private void type(final String stringToType) {
+        for (int i = 0; i < stringToType.length(); ++i) {
+            type(stringToType.codePointAt(i));
+        }
+    }
+
+    public void testTypeWord() {
+        final String wordToType = "abcd";
+        type(wordToType);
+        assertEquals("type word", wordToType, mTextView.getText().toString());
+    }
+
+    public void testPickSuggestionThenBackspace() {
+        final String wordToType = "tgis";
+        type(wordToType);
+        mLatinIME.pickSuggestionManually(0, wordToType);
+        type(Keyboard.CODE_DELETE);
+        assertEquals("press suggestion then backspace", wordToType, mTextView.getText().toString());
+    }
+
+}