feat: add facilities to test subscriptions

Author: BlasiusSecundus

graphql-spring-boot-test-autoconfigure/src/main/java/com/graphql/spring/boot/test/GraphQLTestAutoConfiguration.java

@@ -1,10 +1,13 @@
 package com.graphql.spring.boot.test;
 
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.core.env.Environment;
 
 @Configuration
 @ConditionalOnWebApplication
@@ -17,4 +20,15 @@ public GraphQLTestTemplate graphQLTestUtils() {
         return new GraphQLTestTemplate();
     }
 
+    @Bean
+    @ConditionalOnMissingBean
+    public GraphQLTestSubscription graphQLTestSubscription(
+        final Environment environment,
+        final ObjectMapper objectMapper,
+        @Value("${graphql.servlet.subscriptions.websocket.path:subscriptions}")
+        final String subscriptionPath
+    ) {
+        return new GraphQLTestSubscription(environment, objectMapper, subscriptionPath);
+    }
+
 }

graphql-spring-boot-test/build.gradle

@@ -24,4 +24,6 @@ dependencies {
     compileOnly("com.graphql-java:graphql-java:$LIB_GRAPHQL_JAVA_VER")
     compileOnly("com.graphql-java-kickstart:graphql-java-servlet:$LIB_GRAPHQL_SERVLET_VER")
     testImplementation("org.springframework.boot:spring-boot-starter-web")
+    testImplementation project(":graphql-spring-boot-starter")
+    testImplementation "io.reactivex.rxjava2:rxjava"
 }