我有一个简单的Verticle,它从属性文件中读取配置并将其加载到vertx config中。我已经编写了单元测试来测试此verticle的部署,并且测试失败的可能原因是该位置的属性文件不可用。
在运行测试时,无论是否更改属性文件名或路径,单元测试都会通过,并且处理程序会说该顶点已成功部署。
我在这里做错什么了吗?下面是我的代码
import io.vertx.config.ConfigRetrieverOptions;
import io.vertx.config.ConfigStoreOptions;
import io.vertx.core.DeploymentOptions;
import io.vertx.core.json.JsonObject;
import io.vertx.rxjava.config.ConfigRetriever;
import io.vertx.rxjava.core.AbstractVerticle;
/**
* This is the main launcher verticle, the following operations will be executed in start() method of this verticle:
* 1. Read configurations from application.properties file
* 2. Deploy all other verticles in the application
*/
public class LauncherVerticle extends AbstractVerticle {
@Override
public void start() throws Exception {
//set up configuration from the properties file
ConfigStoreOptions fileStore = new ConfigStoreOptions()
.setType("file")
.setFormat("properties")
.setConfig(new JsonObject().put("path", System.getProperty("vertex.config.path"));
//create config retriever options add properties to filestore
ConfigRetrieverOptions options = new ConfigRetrieverOptions().addStore(fileStore);
ConfigRetriever configRetriever = ConfigRetriever.create(vertx, options);
DeploymentOptions deploymentOptions = new DeploymentOptions();
//Deploy verticles after the config has been loaded
//The configurations are loaded into JsonConfig object
//This JsonConfig object can be accessed in other verticles using the config() method.
configRetriever.rxGetConfig().subscribe(s -> {
//pass on the JsonConfig object to other verticles through deployment options
deploymentOptions.setConfig(s);
vertx.deployVerticle(AnotherVerticle.class.getName(), deploymentOptions);
}, e -> {
log.error("Failed to start application : " + e.getMessage(), e);
try {
stop();
} catch (Exception e1) {
log.error("Unable to stop vertx, terminate the process manually : "+e1.getMessage(), e1);
}
});
}
}
这是我的单元测试
import io.vertx.ext.unit.TestContext;
import io.vertx.ext.unit.junit.VertxUnitRunner;
import io.vertx.rxjava.core.Vertx;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import rx.Single;
@RunWith(VertxUnitRunner.class)
public class LoadConfigurationTest {
/**
* Config should be loaded successfully
*
* @param context
*/
@Test
public void loadConfigTest(TestContext context) {
/*
* Set the system property "vertx.config.path" with value "application.properties"
* This system property will be used in the Launcher verticle to read the config file
*/
System.setProperty("vertx.config.path", "/opt/vertx/config/application.properties");
//create vertx instance
Vertx vertx = Vertx.vertx();
Single<String> single = vertx.rxDeployVerticle(LauncherVerticle.class.getName());
single.subscribe(s -> {
vertx.rxUndeploy(s);
}, e -> {
Assert.fail(e.getMessage());
});
}
/**
* Test for negative use case - file not available in the specified location
*
* @param context
*/
@Test
public void loadConfigFailTest(TestContext context) {
//set path = non existing path
System.setProperty("vertx.config.path", "/non/existing/path/application.properties");
//create vertx instance
Vertx vertx = Vertx.vertx();
Single single = vertx.rxDeployVerticle(LauncherVerticle.class.getName());
single.subscribe(s -> {
//not executing this statement
Assert.fail("Was expecting error but Verticle deployed successfully");
}, e -> {
//not executing this statement either
System.out.println("pass");
});
}
}
最佳答案
您可以在LauncherVerticle
中尝试下面的代码吗?更改仅包括将AbstractVerticles
start
与Future
一起使用,这是一种处理配置加载以及在启动过程中进行相同操作的简洁方法。
public class LauncherVerticle extends AbstractVerticle {
@Override
public void start(Future<Void> startFuture) throws Exception {
ConfigStoreOptions fileStore = new ConfigStoreOptions()
.setType("file")
.setFormat("properties")
.setConfig(new JsonObject().put("path", System.getProperty("vertex.config.path")));
ConfigRetrieverOptions options = new ConfigRetrieverOptions().addStore(fileStore);
ConfigRetriever configRetriever = ConfigRetriever.create(vertx, options);
DeploymentOptions deploymentOptions = new DeploymentOptions();
configRetriever.rxGetConfig().subscribe(s -> {
deploymentOptions.setConfig(s);
vertx.deployVerticle(AnotherVerticle.class.getName(),
deploymentOptions,
result -> startFuture.complete()
);
},
startFuture::fail
);
}
}
startFuture
在那里,将帮助您控制顶点加载的状态。还要记住,@ Constantine进行测试的方法是最好的方法,使用
Async
可以防止测试通过而没有实际声明任何内容。