50 lines
1.6 KiB
Plaintext
50 lines
1.6 KiB
Plaintext
package oving6.logger;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertThrows;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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import java.io.ByteArrayOutputStream;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.DisplayName;
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import org.junit.jupiter.api.Test;
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public class StreamLoggerTest {
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private static final String formatString = "%s: %s (%s)";
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private static final String melding = "En melding ble logget!";
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private ByteArrayOutputStream stream;
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private StreamLogger logger;
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@BeforeEach
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public void setUp() {
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stream = new ByteArrayOutputStream();
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logger = new StreamLogger(stream);
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}
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@Test
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@DisplayName("Logs info message")
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public void testLog() {
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logger.log(ILogger.INFO, melding, null);
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assertTrue(stream.toString().contains(melding),
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"Test that the stream contains the message after it has been logged");
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assertTrue(stream.toString().contains(ILogger.INFO),
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"Test that the stream contains a message of type info after it has been logged");
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}
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@Test
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@DisplayName("Logs exception")
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public void testLogException() {
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assertThrows(IllegalArgumentException.class, () -> {
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logger.setFormatString(null);
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}, "Test that IllegalArgumentException is thrown when the format is null");
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IllegalStateException exception = new IllegalStateException();
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logger.setFormatString(formatString);
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logger.log(ILogger.INFO, melding, exception);
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assertEquals(String.format(formatString, ILogger.INFO, melding, exception),
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stream.toString().trim(),
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"Test the format of the message that was logged with an exception");
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}
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}
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