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package com.xtremelabs.robolectric.tester.android.content;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.*;
import java.util.HashMap;
import java.util.Map;
import android.content.SharedPreferences;
import com.xtremelabs.robolectric.WithTestDefaultsRunner;
/**
* TestSharedPreferencesTest
*/
@RunWith(WithTestDefaultsRunner.class)
public class TestSharedPreferencesTest {
protected final static String FILENAME = "filename";
private HashMap<String, Map<String, Object>> content;
private SharedPreferences.Editor editor;
private TestSharedPreferences sharedPreferences;
@Before
public void setUp() {
content = new HashMap<String, Map<String, Object>>();
sharedPreferences = new TestSharedPreferences(content, FILENAME, 3);
editor = sharedPreferences.edit();
editor.putBoolean("boolean", true);
editor.putFloat("float", 1.1f);
editor.putInt("int", 2);
editor.putLong("long", 3l);
editor.putString("string", "foobar");
}
@Test
public void commit_shouldStoreValues() throws Exception {
editor.commit();
TestSharedPreferences anotherSharedPreferences = new TestSharedPreferences(content, FILENAME, 3);
assertTrue(anotherSharedPreferences.getBoolean("boolean", false));
assertThat(anotherSharedPreferences.getFloat("float", 666f), equalTo(1.1f));
assertThat(anotherSharedPreferences.getInt("int", 666), equalTo(2));
assertThat(anotherSharedPreferences.getLong("long", 666l), equalTo(3l));
assertThat(anotherSharedPreferences.getString("string", "wacka wa"), equalTo("foobar"));
}
@Test
public void getAll_shouldReturnAllValues() throws Exception {
editor.commit();
Map<String, ?> all = sharedPreferences.getAll();
assertThat(all.size(), equalTo(5));
assertThat((Integer) all.get("int"), equalTo(2));
}
@Test
public void commit_shouldRemoveValuesThenSetValues() throws Exception {
content.put(FILENAME, new HashMap<String, Object>());
content.get(FILENAME).put("deleteMe", "foo");
editor.remove("deleteMe");
editor.putString("dontDeleteMe", "baz");
editor.remove("dontDeleteMe");
editor.commit();
TestSharedPreferences anotherSharedPreferences = new TestSharedPreferences(content, FILENAME, 3);
assertTrue(anotherSharedPreferences.getBoolean("boolean", false));
assertThat(anotherSharedPreferences.getFloat("float", 666f), equalTo(1.1f));
assertThat(anotherSharedPreferences.getInt("int", 666), equalTo(2));
assertThat(anotherSharedPreferences.getLong("long", 666l), equalTo(3l));
assertThat(anotherSharedPreferences.getString("string", "wacka wa"), equalTo("foobar"));
assertThat(anotherSharedPreferences.getString("deleteMe", "awol"), equalTo("awol"));
assertThat(anotherSharedPreferences.getString("dontDeleteMe", "oops"), equalTo("baz"));
}
@Test
public void commit_shouldClearThenSetValues() throws Exception {
content.put(FILENAME, new HashMap<String, Object>());
content.get(FILENAME).put("deleteMe", "foo");
editor.clear();
editor.putString("dontDeleteMe", "baz");
editor.commit();
TestSharedPreferences anotherSharedPreferences = new TestSharedPreferences(content, FILENAME, 3);
assertTrue(anotherSharedPreferences.getBoolean("boolean", false));
assertThat(anotherSharedPreferences.getFloat("float", 666f), equalTo(1.1f));
assertThat(anotherSharedPreferences.getInt("int", 666), equalTo(2));
assertThat(anotherSharedPreferences.getLong("long", 666l), equalTo(3l));
assertThat(anotherSharedPreferences.getString("string", "wacka wa"), equalTo("foobar"));
assertThat(anotherSharedPreferences.getString("deleteMe", "awol"), equalTo("awol"));
assertThat(anotherSharedPreferences.getString("dontDeleteMe", "oops"), equalTo("baz"));
}
@Test
public void apply_shouldStoreValues() throws Exception {
editor.apply();
TestSharedPreferences anotherSharedPreferences = new TestSharedPreferences(content, FILENAME, 3);
assertThat(anotherSharedPreferences.getString("string", "wacka wa"), equalTo("foobar"));
}
@Test
public void shouldReturnDefaultValues() throws Exception {
TestSharedPreferences anotherSharedPreferences = new TestSharedPreferences(content, "bazBang", 3);
assertFalse(anotherSharedPreferences.getBoolean("boolean", false));
assertThat(anotherSharedPreferences.getFloat("float", 666f), equalTo(666f));
assertThat(anotherSharedPreferences.getInt("int", 666), equalTo(666));
assertThat(anotherSharedPreferences.getLong("long", 666l), equalTo(666l));
assertThat(anotherSharedPreferences.getString("string", "wacka wa"), equalTo("wacka wa"));
}
@Test
public void shouldStoreRegisteredListeners() {
TestSharedPreferences anotherSharedPreferences = new TestSharedPreferences(content, "bazBang", 3);
anotherSharedPreferences.registerOnSharedPreferenceChangeListener(testListener);
assertTrue(anotherSharedPreferences.hasListener(testListener));
}
@Test
public void shouldRemoveRegisteredListenersOnUnresgister() {
TestSharedPreferences anotherSharedPreferences = new TestSharedPreferences(content, "bazBang", 3);
anotherSharedPreferences.registerOnSharedPreferenceChangeListener(testListener);
anotherSharedPreferences.unregisterOnSharedPreferenceChangeListener(testListener);
assertFalse(anotherSharedPreferences.hasListener(testListener));
}
private SharedPreferences.OnSharedPreferenceChangeListener testListener = new SharedPreferences.OnSharedPreferenceChangeListener() {
@Override
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
}
};
}
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