com.google.common.testing
Class TestLogHandler
java.lang.Object
java.util.logging.Handler
com.google.common.testing.TestLogHandler
public class TestLogHandler
- extends java.util.logging.Handler
Tests may use this to intercept messages that are logged by the code under
test. Example:
TestLogHandler handler;
protected void setUp() throws Exception {
super.setUp();
handler = new TestLogHandler();
SomeClass.logger.addHandler(handler);
addRequiredTearDown(new TearDown() {
public void tearDown() throws Exception {
SomeClass.logger.removeHandler(handler);
}
});
}
public void test() {
SomeClass.foo();
LogRecord firstRecord = handler.getStoredLogRecords().get(0);
assertEquals("some message", firstRecord.getMessage());
}
You can see more usage examples in TestLogHandlerTest
.
- Author:
- kevinb
Field Summary |
private java.util.List<java.util.logging.LogRecord> |
list
We will keep a private list of all logged records |
private java.util.List<java.util.logging.LogRecord> |
storedLogRecords
And also the same list in an unmodifiable view (for the getter) |
Method Summary |
void |
clear()
|
void |
close()
|
void |
flush()
|
java.util.List<java.util.logging.LogRecord> |
getStoredLogRecords()
Fetch the list of logged records |
void |
publish(java.util.logging.LogRecord record)
Adds the most recently logged record to our list. |
Methods inherited from class java.util.logging.Handler |
getEncoding, getErrorManager, getFilter, getFormatter, getLevel, isLoggable, reportError, setEncoding, setErrorManager, setFilter, setFormatter, setLevel |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
list
private final java.util.List<java.util.logging.LogRecord> list
- We will keep a private list of all logged records
storedLogRecords
private final java.util.List<java.util.logging.LogRecord> storedLogRecords
- And also the same list in an unmodifiable view (for the getter)
TestLogHandler
public TestLogHandler()
publish
public void publish(java.util.logging.LogRecord record)
- Adds the most recently logged record to our list.
- Specified by:
publish
in class java.util.logging.Handler
flush
public void flush()
- Specified by:
flush
in class java.util.logging.Handler
close
public void close()
- Specified by:
close
in class java.util.logging.Handler
clear
public void clear()
getStoredLogRecords
public java.util.List<java.util.logging.LogRecord> getStoredLogRecords()
- Fetch the list of logged records
- Returns:
- unmodifiablie LogRecord list of all logged records
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