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Allow WifiSettings to show old APs on app resume.

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If we do not have any recent scan results, show the previous APs from
when the app was last paused, by not triggering a force update.

Accompanying changes are also made in WifiTracker to prevent
onAccessPointsChanged callbacks from being invoked until the tracker
receives a new 'SCAN_RESULTS_AVAILABLE' broadcast (ag/2409026).

Bug: b/38212080
Test: runtest --path
packages/apps/Settings/tests/unit/src/com/android/settings/wifi/WifiSettingsUiTest.java
one minute later.

Change-Id: I4f9b2ec855e057e28235b0253ab42c6b4521bebc
Merged-In: I4f9b2ec855e057e28235b0253ab42c6b4521bebc
This commit is contained in:
Sundeep Ghuman
2017-06-12 18:16:53 -07:00
parent d77b699e60
commit 60b814ba43
2 changed files with 50 additions and 5 deletions
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27
tests/unit/src/com/android/settings/wifi/WifiSettingsUiTest.java
View File

@@ -15,6 +15,7 @@
*/
package com.android.settings.wifi;
import static android.support.test.InstrumentationRegistry.getInstrumentation;
import static android.support.test.espresso.Espresso.onView;
import static android.support.test.espresso.assertion.ViewAssertions.doesNotExist;
import static android.support.test.espresso.assertion.ViewAssertions.matches;
@@ -22,13 +23,17 @@ import static android.support.test.espresso.matcher.ViewMatchers.Visibility.VISI
import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;
import static android.support.test.espresso.matcher.ViewMatchers.withEffectiveVisibility;
import static android.support.test.espresso.matcher.ViewMatchers.withText;
import static com.google.common.truth.Truth.assertThat;
import static org.hamcrest.Matchers.allOf;
import static org.hamcrest.Matchers.not;
import static org.hamcrest.Matchers.startsWith;
import static org.mockito.Mockito.atMost;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import android.app.Activity;
import android.app.Fragment;
import android.content.Context;
import android.content.Intent;
@@ -41,12 +46,15 @@ import android.net.wifi.WifiSsid;
import android.support.test.InstrumentationRegistry;
import android.support.test.rule.ActivityTestRule;
import android.support.test.runner.AndroidJUnit4;
import com.android.settings.Settings.WifiSettingsActivity;
import com.android.settingslib.wifi.AccessPoint;
import com.android.settingslib.wifi.WifiTracker;
import com.android.settingslib.wifi.WifiTracker.WifiListener;
import com.android.settingslib.wifi.WifiTrackerFactory;
import com.google.common.collect.Lists;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
@@ -202,4 +210,23 @@ public class WifiSettingsUiTest {
onView(withText(CONNECTED)).check(matches(isDisplayed()));
}
@Test
public void resumingAp_shouldNotForceUpdateWhenExistingAPsAreListed() {
setWifiState(WifiManager.WIFI_STATE_ENABLED);
setupConnectedAccessPoint();
when(mWifiTracker.isConnected()).thenReturn(true);
launchActivity();
onView(withText(CONNECTED)).check(matches(isDisplayed()));
verify(mWifiTracker).forceUpdate();
Activity activity = mActivityRule.getActivity();
activity.finish();
getInstrumentation().waitForIdleSync();
getInstrumentation().callActivityOnStart(activity);
verify(mWifiTracker, atMost(1)).forceUpdate();
}
}