/
BlogServiceTest.java
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/
BlogServiceTest.java
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package example.armeria.server.blog.grpc;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.catchThrowable;
import java.util.List;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.MethodOrderer.OrderAnnotation;
import org.junit.jupiter.api.Order;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestMethodOrder;
import org.junit.jupiter.api.extension.RegisterExtension;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.linecorp.armeria.client.grpc.GrpcClients;
import com.linecorp.armeria.client.logging.LoggingClient;
import com.linecorp.armeria.common.grpc.GrpcSerializationFormats;
import com.linecorp.armeria.server.ServerBuilder;
import com.linecorp.armeria.server.grpc.GrpcService;
import com.linecorp.armeria.testing.junit5.server.ServerExtension;
import example.armeria.blog.grpc.BlogPost;
import example.armeria.blog.grpc.BlogServiceGrpc.BlogServiceBlockingStub;
import example.armeria.blog.grpc.CreateBlogPostRequest;
import example.armeria.blog.grpc.DeleteBlogPostRequest;
import example.armeria.blog.grpc.GetBlogPostRequest;
import example.armeria.blog.grpc.ListBlogPostsRequest;
import example.armeria.blog.grpc.ListBlogPostsResponse;
import example.armeria.blog.grpc.UpdateBlogPostRequest;
import io.grpc.Status.Code;
import io.grpc.StatusRuntimeException;
@TestMethodOrder(OrderAnnotation.class)
class BlogServiceTest {
@RegisterExtension
static final ServerExtension server = new ServerExtension() {
@Override
protected void configure(ServerBuilder sb) throws Exception {
sb.service(GrpcService.builder()
.addService(new BlogService())
.exceptionHandler(new GrpcExceptionHandler())
.build());
}
};
static BlogServiceBlockingStub client;
static BlogServiceBlockingStub decoratedClient;
@BeforeAll
static void beforeAll() {
client = GrpcClients.newClient(server.httpUri(),
BlogServiceBlockingStub.class);
decoratedClient = GrpcClients.builder(server.httpUri())
.serializationFormat(GrpcSerializationFormats.JSON)
.maxResponseMessageLength(10000)
.decorator(LoggingClient.newDecorator())
.build(BlogServiceBlockingStub.class);
}
@Test
@Order(1)
void createBlogPost() throws JsonProcessingException {
final CreateBlogPostRequest request = CreateBlogPostRequest.newBuilder()
.setTitle("My first blog")
.setContent("Hello Armeria!")
.build();
final BlogPost response = client.createBlogPost(request);
assertThat(response.getTitle()).isEqualTo(request.getTitle());
assertThat(response.getContent()).isEqualTo(request.getContent());
}
@Test
@Order(2)
void getBlogPost() throws JsonProcessingException {
final BlogPost blogPost = client.getBlogPost(GetBlogPostRequest.newBuilder().setId(0).build());
assertThat(blogPost.getTitle()).isEqualTo("My first blog");
assertThat(blogPost.getContent()).isEqualTo("Hello Armeria!");
}
@Test
@Order(2)
void getInvalidBlogPost() throws JsonProcessingException {
final Throwable exception = catchThrowable(() -> {
client.getBlogPost(GetBlogPostRequest.newBuilder().setId(Integer.MAX_VALUE).build());
});
final StatusRuntimeException statusException = (StatusRuntimeException) exception;
assertThat(statusException.getStatus().getCode()).isEqualTo(Code.NOT_FOUND);
assertThat(statusException)
.hasMessageContaining("The blog post does not exist. ID: " + Integer.MAX_VALUE);
}
@Test
@Order(3)
void listBlogPosts() throws JsonProcessingException {
final CreateBlogPostRequest newBlogPost = CreateBlogPostRequest.newBuilder()
.setTitle("My second blog")
.setContent("Armeria is awesome!")
.build();
client.createBlogPost(newBlogPost);
final ListBlogPostsResponse
response = client.listBlogPosts(ListBlogPostsRequest.newBuilder()
.setDescending(false)
.build());
final List<BlogPost> blogs = response.getBlogsList();
assertThat(blogs).hasSize(2);
final BlogPost firstBlog = blogs.get(0);
assertThat(firstBlog.getTitle()).isEqualTo("My first blog");
assertThat(firstBlog.getContent()).isEqualTo("Hello Armeria!");
final BlogPost secondBlog = blogs.get(1);
assertThat(secondBlog.getTitle()).isEqualTo("My second blog");
assertThat(secondBlog.getContent()).isEqualTo("Armeria is awesome!");
}
@Test
@Order(4)
void updateBlogPosts() throws JsonProcessingException {
final UpdateBlogPostRequest request = UpdateBlogPostRequest.newBuilder()
.setId(0)
.setTitle("My first blog")
.setContent("Hello awesome Armeria!")
.build();
final BlogPost updated = client.updateBlogPost(request);
assertThat(updated.getId()).isZero();
assertThat(updated.getTitle()).isEqualTo("My first blog");
assertThat(updated.getContent()).isEqualTo("Hello awesome Armeria!");
}
@Test
@Order(5)
void badRequestExceptionHandlerWhenTryingDeleteMissingBlogPost() throws JsonProcessingException {
final Throwable exception = catchThrowable(() -> {
client.deleteBlogPost(DeleteBlogPostRequest.newBuilder().setId(100).build());
});
final StatusRuntimeException statusException = (StatusRuntimeException) exception;
assertThat(statusException.getStatus().getCode()).isEqualTo(Code.NOT_FOUND);
assertThat(statusException).hasMessageContaining("The blog post does not exist. ID: 100");
}
}