forked from upstream-mirrors/OpenTracks
Removed old-school key/value backup.
This commit is contained in:
Dennis Guse
-210
@@ -1,210 +0,0 @@
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/*
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* Copyright 2010 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.google.android.apps.mytracks.io.backup;
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import android.content.SharedPreferences;
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import android.content.SharedPreferences.Editor;
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import android.test.AndroidTestCase;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Set;
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/**
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* Tests for {@link PreferenceBackupHelper}.
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*
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* @author Rodrigo Damazio
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*/
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public class PreferenceBackupHelperTest extends AndroidTestCase {
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private Map<String, ?> preferenceValues;
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private SharedPreferences preferences;
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private PreferenceBackupHelper preferenceBackupHelper;
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/**
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* Mock shared preferences editor which does not persist state.
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*/
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private class MockPreferenceEditor implements SharedPreferences.Editor {
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private Map<String, Object> newPreferences = new HashMap<String, Object>(preferenceValues);
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@Override
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public Editor clear() {
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newPreferences.clear();
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return this;
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}
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@Override
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public boolean commit() {
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apply();
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return true;
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}
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@Override
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public void apply() {
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preferenceValues = newPreferences;
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}
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@Override
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public Editor putBoolean(String key, boolean value) {
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return put(key, value);
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}
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@Override
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public Editor putFloat(String key, float value) {
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return put(key, value);
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}
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@Override
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public Editor putInt(String key, int value) {
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return put(key, value);
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}
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@Override
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public Editor putLong(String key, long value) {
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return put(key, value);
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}
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@Override
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public Editor putString(String key, String value) {
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return put(key, value);
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}
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public Editor putStringSet(String key, Set<String> value) {
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return put(key, value);
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}
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private <T> Editor put(String key, T value) {
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newPreferences.put(key, value);
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return this;
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}
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@Override
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public Editor remove(String key) {
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newPreferences.remove(key);
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return this;
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}
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}
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/**
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* Mock shared preferences which does not persist state.
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*/
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private class MockPreferences implements SharedPreferences {
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@Override
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public boolean contains(String key) {
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return preferenceValues.containsKey(key);
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}
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@Override
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public Editor edit() {
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return new MockPreferenceEditor();
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}
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@Override
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public Map<String, ?> getAll() {
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return preferenceValues;
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}
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@Override
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public boolean getBoolean(String key, boolean defValue) {
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return get(key, defValue);
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}
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@Override
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public float getFloat(String key, float defValue) {
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return get(key, defValue);
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}
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@Override
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public int getInt(String key, int defValue) {
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return get(key, defValue);
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}
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@Override
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public long getLong(String key, long defValue) {
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return get(key, defValue);
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}
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@Override
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public String getString(String key, String defValue) {
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return get(key, defValue);
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}
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public Set<String> getStringSet(String key, Set<String> defValue) {
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return get(key, defValue);
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}
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@Override
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public void registerOnSharedPreferenceChangeListener(
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OnSharedPreferenceChangeListener listener) {
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throw new UnsupportedOperationException();
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}
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@Override
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public void unregisterOnSharedPreferenceChangeListener(
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OnSharedPreferenceChangeListener listener) {
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throw new UnsupportedOperationException();
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}
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@SuppressWarnings("unchecked")
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private <T> T get(String key, T defValue) {
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Object value = preferenceValues.get(key);
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if (value == null) return defValue;
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return (T) value;
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}
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}
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@Override
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protected void setUp() throws Exception {
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super.setUp();
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preferenceValues = new HashMap<String, Object>();
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preferences = new MockPreferences();
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preferenceBackupHelper = new PreferenceBackupHelper(getContext());
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}
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public void testExportImportPreferences() throws Exception {
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// Populate with some initial values
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Editor editor = preferences.edit();
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editor.clear();
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editor.putBoolean("bool1", true);
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editor.putBoolean("bool2", false);
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editor.putFloat("flt1", 3.14f);
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editor.putInt("int1", 42);
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editor.putLong("long1", 123456789L);
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editor.putString("str1", "lolcat");
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ApiAdapterFactory.getApiAdapter().applyPreferenceChanges(editor);
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// Export it
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byte[] exported = preferenceBackupHelper.exportPreferences(preferences);
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// Mess with the previous values
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editor = preferences.edit();
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editor.clear();
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editor.putString("str2", "Shouldn't be there after restore");
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editor.putBoolean("bool2", true);
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ApiAdapterFactory.getApiAdapter().applyPreferenceChanges(editor);
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// Import it back
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preferenceBackupHelper.importPreferences(exported, preferences);
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assertFalse(preferences.contains("str2"));
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assertTrue(preferences.getBoolean("bool1", false));
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assertFalse(preferences.getBoolean("bool2", true));
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assertEquals(3.14f, preferences.getFloat("flt1", 0.0f));
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assertEquals(42, preferences.getInt("int1", 0));
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assertEquals(123456789L, preferences.getLong("long1", 0));
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assertEquals("lolcat", preferences.getString("str1", ""));
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}
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}
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