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Merge "Avoid over logging preference changes."

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This commit is contained in:
TreeHugger Robot
2016-09-27 18:24:28 +00:00
committed by Android (Google) Code Review
parent 0ed6ef999f 2d6bf057f8
commit 8c46585218
2 changed files with 52 additions and 14 deletions
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13
src/com/android/settings/core/instrumentation/SharedPreferencesLogger.java
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@@ -21,6 +21,7 @@ import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.os.AsyncTask;
import android.text.TextUtils;
import android.util.ArraySet;
import com.android.internal.logging.MetricsProto.MetricsEvent;
import com.android.settings.overlay.FeatureFactory;
@@ -33,11 +34,13 @@ public class SharedPreferencesLogger implements SharedPreferences {
private final String mTag;
private final Context mContext;
private final MetricsFeatureProvider mMetricsFeature;
private final Set<String> mPreferenceKeySet;
public SharedPreferencesLogger(Context context, String tag) {
mContext = context;
mTag = tag;
mMetricsFeature = FeatureFactory.getFactory(context).getMetricsFeatureProvider();
mPreferenceKeySet = new ArraySet<>();
}
@Override
@@ -96,7 +99,15 @@ public class SharedPreferencesLogger implements SharedPreferences {
}
private void logValue(String key, String value) {
mMetricsFeature.count(mContext, mTag + "/" + key + "|" + value, 1);
final String prefKey = mTag + "/" + key;
if (!mPreferenceKeySet.contains(prefKey)) {
// Pref key doesn't exist in set, this is initial display so we skip metrics but
// keeps track of this key.
mPreferenceKeySet.add(prefKey);
return;
}
// Pref key exists in set, log it's change in metrics.
mMetricsFeature.count(mContext, prefKey + "|" + value, 1);
}
private void logPackageName(String key, String value) {

53
tests/robotests/src/com/android/settings/core/instrumentation/SharedPreferenceLoggerTest.java
View File

@@ -16,6 +16,7 @@
package com.android.settings.core.instrumentation;
import android.content.Context;
import android.content.SharedPreferences;
import com.android.settings.TestConfig;
import com.android.settings.overlay.FeatureFactory;
@@ -32,7 +33,7 @@ import org.robolectric.shadows.ShadowApplication;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyInt;
import static org.mockito.Matchers.anyString;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
@RunWith(RobolectricTestRunner.class)
@@ -62,27 +63,53 @@ public class SharedPreferenceLoggerTest {
}
@Test
public void putInt_shouldLogCount() {
mSharedPrefLogger.edit().putInt(TEST_KEY, 1);
verify(mLogWriter).count(any(Context.class), anyString(), anyInt());
public void putInt_shouldNotLogInitialPut() {
final SharedPreferences.Editor editor = mSharedPrefLogger.edit();
editor.putInt(TEST_KEY, 1);
editor.putInt(TEST_KEY, 1);
editor.putInt(TEST_KEY, 1);
editor.putInt(TEST_KEY, 2);
editor.putInt(TEST_KEY, 2);
editor.putInt(TEST_KEY, 2);
editor.putInt(TEST_KEY, 2);
verify(mLogWriter, times(6)).count(any(Context.class), anyString(), anyInt());
}
@Test
public void putBoolean_shouldLogCount() {
mSharedPrefLogger.edit().putBoolean(TEST_KEY, true);
verify(mLogWriter).count(any(Context.class), anyString(), anyInt());
public void putBoolean_shouldNotLogInitialPut() {
final SharedPreferences.Editor editor = mSharedPrefLogger.edit();
editor.putBoolean(TEST_KEY, true);
editor.putBoolean(TEST_KEY, true);
editor.putBoolean(TEST_KEY, false);
editor.putBoolean(TEST_KEY, false);
editor.putBoolean(TEST_KEY, false);
verify(mLogWriter, times(4)).count(any(Context.class), anyString(), anyInt());
}
@Test
public void putLong_shouldLogCount() {
mSharedPrefLogger.edit().putLong(TEST_KEY, 1);
verify(mLogWriter).count(any(Context.class), anyString(), anyInt());
public void putLong_shouldNotLogInitialPut() {
final SharedPreferences.Editor editor = mSharedPrefLogger.edit();
editor.putLong(TEST_KEY, 1);
editor.putLong(TEST_KEY, 1);
editor.putLong(TEST_KEY, 1);
editor.putLong(TEST_KEY, 1);
editor.putLong(TEST_KEY, 2);
verify(mLogWriter, times(4)).count(any(Context.class), anyString(), anyInt());
}
@Test
public void putFloat_shouldLogCount() {
mSharedPrefLogger.edit().putInt(TEST_KEY, 1);
verify(mLogWriter).count(any(Context.class), anyString(), anyInt());
public void putFloat_shouldNotLogInitialPut() {
final SharedPreferences.Editor editor = mSharedPrefLogger.edit();
editor.putFloat(TEST_KEY, 1);
editor.putFloat(TEST_KEY, 1);
editor.putFloat(TEST_KEY, 1);
editor.putFloat(TEST_KEY, 1);
editor.putFloat(TEST_KEY, 2);
verify(mLogWriter, times(4)).count(any(Context.class), anyString(), anyInt());
}
}