Github user DaanHoogland commented on a diff in the pull request:
https://github.com/apache/cloudstack/pull/1445#discussion_r56799125
--- Diff: utils/src/test/java/com/cloud/utils/TestProfiler.java ---
@@ -19,84 +19,79 @@
package com.cloud.utils;
-import org.apache.log4j.Logger;
import org.junit.Assert;
+import org.junit.Before;
import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.powermock.api.mockito.PowerMockito;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
import com.cloud.utils.testcase.Log4jEnabledTestCase;
+@RunWith(PowerMockRunner.class)
+@PrepareForTest({Profiler.class})
public class TestProfiler extends Log4jEnabledTestCase {
- protected final static Logger s_logger =
Logger.getLogger(TestProfiler.class);
- private static final long MILLIS_FACTOR = 1000l;
- private static final int MARGIN = 100;
- // Profiler uses System.nanoTime which is not reliable on the
millisecond
- // A sleep of 1000 milliseconds CAN be measured as 999 milliseconds
- // Therefore make the second larger, by 10% of the margin
- private static final long ONE_SECOND = 1000l + (MARGIN / 10);
- private static final double EXPONENT = 3d;
+ private static final long SLEEP_TIME_NANO = 1000000000L;
+ private static Profiler pf;
+
+ @Before
+ public void setUp() {
+ pf = new Profiler();
+ PowerMockito.mockStatic(System.class);
+ PowerMockito.when(System.nanoTime()).thenReturn(0L,
SLEEP_TIME_NANO);
--- End diff --
mocking the system return of the time does not seem right to me. it will be
returning the same in start() and in stop(), don't you agree?
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