Only do prints for network tests that fail

There's a lot of variance in the network tests, but this appears
to save ~1 second when running them all.

Change-Id: I4629f8d123313a5acf3ff076f0a5960719e35f13

1 files changed, 16 insertions, 9 deletions

diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/NetworkControllerBaseTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/NetworkControllerBaseTest.java
index c51cef0a81e8..6c9cfe04ed80 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/NetworkControllerBaseTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/NetworkControllerBaseTest.java
@@ -37,6 +37,9 @@ import com.android.systemui.statusbar.policy.NetworkControllerImpl.SubscriptionD
 import com.android.systemui.SysuiTestCase;
 import org.junit.After;
 import org.junit.Before;
+import org.junit.Rule;
+import org.junit.rules.TestWatcher;
+import org.junit.runner.Description;
 import org.mockito.ArgumentCaptor;
 import org.mockito.Mockito;
 
@@ -76,6 +79,19 @@ public class NetworkControllerBaseTest extends SysuiTestCase {
 
     private NetworkCapabilities mNetCapabilities;
 
+    @Rule
+    public TestWatcher failWatcher = new TestWatcher() {
+        @Override
+        protected void failed(Throwable e, Description description) {
+            // Print out mNetworkController state if the test fails.
+            StringWriter sw = new StringWriter();
+            PrintWriter pw = new PrintWriter(sw);
+            mNetworkController.dump(null, pw, null);
+            pw.flush();
+            Log.d(TAG, sw.toString());
+        }
+    };
+
     @Before
     public void setUp() throws Exception {
         mMockWm = mock(WifiManager.class);
@@ -147,15 +163,6 @@ public class NetworkControllerBaseTest extends SysuiTestCase {
 
     }
 
-    @After
-    public void tearDown() throws Exception {
-        StringWriter sw = new StringWriter();
-        PrintWriter pw = new PrintWriter(sw);
-        mNetworkController.dump(null, pw, null);
-        pw.flush();
-        Log.d(TAG, sw.toString());
-    }
-
     // 2 Bars 3G GSM.
     public void setupDefaultSignal() {
         setIsGsm(true);