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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package org.chromium.base;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.annotation.Config;
import org.robolectric.shadows.ShadowLog;
import org.chromium.base.test.BaseRobolectricTestRunner;
import java.util.List;
/** Unit tests for {@link Log}. */
@RunWith(BaseRobolectricTestRunner.class)
@Config(manifest = Config.NONE)
public class LogTest {
/** Tests that the computed call origin is the correct one. */
@Test
public void callOriginTest() {
Log.d("Foo", "Bar");
List<ShadowLog.LogItem> logs = ShadowLog.getLogs();
assertTrue("The origin of the log message (" + logs.get(logs.size() - 1).msg
+ ") looks wrong.",
logs.get(logs.size() - 1).msg.matches("\\[LogTest.java:\\d+\\].*"));
}
@Test
public void normalizeTagTest() {
assertEquals("cr_foo", Log.normalizeTag("foo"));
}
/** Tests that exceptions provided to the log functions are properly recognized and printed. */
@Test
public void exceptionLoggingTest() {
Throwable t = new Throwable() {
@Override
public String toString() {
return "MyThrowable";
}
};
Throwable t2 = new Throwable() {
@Override
public String toString() {
return "MyOtherThrowable";
}
};
List<ShadowLog.LogItem> logs;
// The throwable gets printed out
Log.i("Foo", "Bar", t);
logs = ShadowLog.getLogs();
assertEquals(t, logs.get(logs.size() - 1).throwable);
assertEquals("Bar", logs.get(logs.size() - 1).msg);
// messageTemplate include %xx, print out normally.
Log.i("Foo", "search?q=%E6%B5%8B%E8%AF%95", t);
logs = ShadowLog.getLogs();
assertEquals(t, logs.get(logs.size() - 1).throwable);
assertEquals("search?q=%E6%B5%8B%E8%AF%95", logs.get(logs.size() - 1).msg);
// Non throwable are properly identified
Log.i("Foo", "Bar %s", t, "Baz");
logs = ShadowLog.getLogs();
assertNull(logs.get(logs.size() - 1).throwable);
assertEquals("Bar MyThrowable", logs.get(logs.size() - 1).msg);
// The last throwable is the one used that is going to be printed out
Log.i("Foo", "Bar %s", t, t2);
logs = ShadowLog.getLogs();
assertEquals(t2, logs.get(logs.size() - 1).throwable);
assertEquals("Bar MyThrowable", logs.get(logs.size() - 1).msg);
}
}
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