spring-boot-2-template

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package by.andd3dfx.templateapp.util;
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import ch.qos.logback.classic.Logger;
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import ch.qos.logback.classic.LoggerContext;
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import ch.qos.logback.classic.spi.ILoggingEvent;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.Test;
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import org.slf4j.LoggerFactory;
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import org.springframework.core.env.StandardEnvironment;
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import java.util.List;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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class StartupHelperTest {
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    private MemoryAppender memoryAppender;
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    @BeforeEach
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    public void clearLoggingStatements() {
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        memoryAppender = new MemoryAppender();
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        memoryAppender.setContext((LoggerContext) LoggerFactory.getILoggerFactory());
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        Logger logger = (Logger) LoggerFactory.getLogger(StartupHelper.class.getCanonicalName());
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        logger.addAppender(memoryAppender);
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        memoryAppender.start();
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    }
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    @Test
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    void logApplicationStartup() {
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        final StandardEnvironment env = new StandardEnvironment();
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        StartupHelper.logApplicationStartup(env);
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        List<ILoggingEvent> loggedEvents = memoryAppender.getLoggedEvents();
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        assertEquals(loggedEvents.size(), 1);
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        assertEquals(loggedEvents.get(0).getMessage(), "\n"
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                + "----------------------------------------------------------\n"
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                + "\tApplication '{}' is running! Access URLs:\n"
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                + "\tLocal: \t\t{}://localhost:{}{}\n"
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                + "\tExternal: \t{}://{}:{}{}\n"
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                + "\tProfile(s): \t{}\n"
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                + "----------------------------------------------------------");
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    }
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}
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