package com.baiyue.common.web;

import org.junit.jupiter.api.Test;
import org.springframework.boot.autoconfigure.AutoConfigurations;
import org.springframework.boot.test.context.runner.ApplicationContextRunner;

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

class CommonWebAutoConfigurationTest {

    private final ApplicationContextRunner contextRunner = new ApplicationContextRunner()
            .withConfiguration(AutoConfigurations.of(CommonWebAutoConfiguration.class));

    @Test
    void registersExceptionHandlerAndCorrelationFilterOutsideComponentScan() {
        contextRunner.run(context -> {
            assertThat(context).hasSingleBean(GlobalExceptionHandler.class);
            assertThat(context).hasSingleBean(CorrelationIdFilter.class);
        });
    }

    @Test
    void backsOffWhenApplicationProvidesItsOwnBeans() {
        contextRunner.withBean(GlobalExceptionHandler.class, GlobalExceptionHandler::new)
                .withBean(CorrelationIdFilter.class, CorrelationIdFilter::new)
                .run(context -> {
                    assertThat(context).hasSingleBean(GlobalExceptionHandler.class);
                    assertThat(context).hasSingleBean(CorrelationIdFilter.class);
                });
    }
}