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package com.xtremelabs.robolectric.shadows;
import android.util.Log;
import com.xtremelabs.robolectric.WithTestDefaultsRunner;
import junit.framework.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import static junit.framework.Assert.assertEquals;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
@RunWith(WithTestDefaultsRunner.class)
public class LogTest {
@Test
public void d_shouldLogAppropriately() {
Log.d("tag", "msg");
assertLogged(Log.DEBUG, "tag", "msg", null);
}
@Test
public void d_shouldLogAppropriately_withThrowable() {
Throwable throwable = new Throwable();
Log.d("tag", "msg", throwable);
assertLogged(Log.DEBUG, "tag", "msg", throwable);
}
@Test
public void e_shouldLogAppropriately() {
Log.e("tag", "msg");
assertLogged(Log.ERROR, "tag", "msg", null);
}
@Test
public void e_shouldLogAppropriately_withThrowable() {
Throwable throwable = new Throwable();
Log.e("tag", "msg", throwable);
assertLogged(Log.ERROR, "tag", "msg", throwable);
}
@Test
public void i_shouldLogAppropriately() {
Log.i("tag", "msg");
assertLogged(Log.INFO, "tag", "msg", null);
}
@Test
public void i_shouldLogAppropriately_withThrowable() {
Throwable throwable = new Throwable();
Log.i("tag", "msg", throwable);
assertLogged(Log.INFO, "tag", "msg", throwable);
}
@Test
public void v_shouldLogAppropriately() {
Log.v("tag", "msg");
assertLogged(Log.VERBOSE, "tag", "msg", null);
}
@Test
public void v_shouldLogAppropriately_withThrowable() {
Throwable throwable = new Throwable();
Log.v("tag", "msg", throwable);
assertLogged(Log.VERBOSE, "tag", "msg", throwable);
}
@Test
public void w_shouldLogAppropriately() {
Log.w("tag", "msg");
assertLogged(Log.WARN, "tag", "msg", null);
}
@Test
public void w_shouldLogAppropriately_withThrowable() {
Throwable throwable = new Throwable();
Log.w("tag", "msg", throwable);
assertLogged(Log.WARN, "tag", "msg", throwable);
}
@Test
public void w_shouldLogAppropriately_withJustThrowable() {
Throwable throwable = new Throwable();
Log.w("tag", throwable);
assertLogged(Log.WARN, "tag", null, throwable);
}
@Test
public void wtf_shouldLogAppropriately() {
Log.wtf("tag", "msg");
assertLogged(Log.ASSERT, "tag", "msg", null);
}
@Test
public void wtf_shouldLogAppropriately_withThrowable() {
Throwable throwable = new Throwable();
Log.wtf("tag", "msg", throwable);
assertLogged(Log.ASSERT, "tag", "msg", throwable);
}
@Test
public void shouldLogToProvidedStream() throws Exception {
final ByteArrayOutputStream bos = new ByteArrayOutputStream();
PrintStream old = ShadowLog.stream;
try {
ShadowLog.stream = new PrintStream(bos);
Log.d("tag", "msg");
assertThat(new String(bos.toByteArray()), equalTo("D/tag: msg\n"));
Log.w("tag", new RuntimeException());
assertTrue(new String(bos.toByteArray()).contains("RuntimeException"));
} finally {
ShadowLog.stream = old;
}
}
@Test
public void infoIsDefaultLoggableLevel() throws Exception {
PrintStream old = ShadowLog.stream;
ShadowLog.stream = null;
assertFalse(Log.isLoggable("FOO", Log.VERBOSE));
assertFalse(Log.isLoggable("FOO", Log.DEBUG));
assertTrue(Log.isLoggable("FOO", Log.INFO));
assertTrue(Log.isLoggable("FOO", Log.WARN));
assertTrue(Log.isLoggable("FOO", Log.ERROR));
assertTrue(Log.isLoggable("FOO", Log.ASSERT));
ShadowLog.stream = old;
}
@Test
public void shouldAlwaysBeLoggableIfStreamIsSpecified() throws Exception {
PrintStream old = ShadowLog.stream;
ShadowLog.stream = new PrintStream(new ByteArrayOutputStream());
assertTrue(Log.isLoggable("FOO", Log.VERBOSE));
assertTrue(Log.isLoggable("FOO", Log.DEBUG));
assertTrue(Log.isLoggable("FOO", Log.INFO));
assertTrue(Log.isLoggable("FOO", Log.WARN));
assertTrue(Log.isLoggable("FOO", Log.ERROR));
assertTrue(Log.isLoggable("FOO", Log.ASSERT));
ShadowLog.stream = old;
}
private void assertLogged(int type, String tag, String msg, Throwable throwable) {
ShadowLog.LogItem lastLog = ShadowLog.getLogs().get(0);
assertEquals(type, lastLog.type);
assertEquals(msg, lastLog.msg);
assertEquals(tag, lastLog.tag);
assertEquals(throwable, lastLog.throwable);
}
}
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