ImprimirPropertiesTest.java

import org.apache.commons.lang3.StringUtils;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Import;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.EnumerablePropertySource;
import org.springframework.core.env.Environment;
import org.springframework.core.env.PropertySource;
import org.springframework.test.context.ActiveProfiles;
import org.springframework.test.context.junit.jupiter.SpringExtension;

import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;

import static org.assertj.core.api.Assertions.assertThat;


@ExtendWith(SpringExtension.class)
@DataJpaTest
@ActiveProfiles("testes")
@Import(FlywayAutoConfiguration.class)
class ImprimirPropertiesTest {

    @Autowired
    private ApplicationContext appContext;

    @Autowired
    private InstrucaoParaAssinarRepository repo;

    @Test
    void imprimirProps() {
        Iterable<?> es = repo.findAll();
        assertThat(es).isNotEmpty();

        PropertiesLogger.printProperties(appContext.getEnvironment());
    }

}

class PropertiesLogger {
    public static void printProperties(Environment environment) {
        System.out.println("\n\n\n");
        for (EnumerablePropertySource propertySource : findPropertiesPropertySources(((ConfigurableEnvironment) environment))) {
            System.out.println("@### ******* " + propertySource.getName() + " *******");
            String[] propertyNames = propertySource.getPropertyNames();
            Arrays.sort(propertyNames);
            for (String propertyName : propertyNames) {
                String resolvedProperty = environment.getProperty(propertyName);
                String sourceProperty = propertySource.getProperty(propertyName).toString();
                if (resolvedProperty.equals(sourceProperty)) {
                    System.out.println("@### " + propertyName + "=" + valor(resolvedProperty));
                } else {
                    System.out.println("@### " + propertyName + "=" + valor(sourceProperty) + " OVERRIDDEN to " + valor(resolvedProperty));
                }
            }
        }
        System.out.println("\n\n\n");
    }

    private static String valor(String prop) {
        return StringUtils.abbreviate(prop, 100) + (prop.length() > 100 ? "(TRUNCADA)" : "");
    }

    private static List<EnumerablePropertySource> findPropertiesPropertySources(ConfigurableEnvironment environment) {
        List<EnumerablePropertySource> propertiesPropertySources = new LinkedList<>();
        for (PropertySource<?> propertySource : environment.getPropertySources()) {
            if (propertySource instanceof EnumerablePropertySource) {
                propertiesPropertySources.add((EnumerablePropertySource) propertySource);
            }
        }
        return propertiesPropertySources;
    }
}