Graphiql static resource loading fix

graphql-spring-boot-autoconfigure/src/main/java/graphql/kickstart/autoconfigure/editor/graphiql/GraphiQLAutoConfiguration.java

@@ -3,12 +3,20 @@
 import static org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication.Type.REACTIVE;
 import static org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication.Type.SERVLET;
 
+import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.core.io.ClassPathResource;
+import org.springframework.web.reactive.function.server.RouterFunction;
+import org.springframework.web.reactive.function.server.RouterFunctions;
+import org.springframework.web.reactive.function.server.ServerResponse;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;;
 
 /**
  * @author Andrew Potter
@@ -31,4 +39,27 @@ ServletGraphiQLController servletGraphiQLController(GraphiQLProperties propertie
   ReactiveGraphiQLController reactiveGraphiQLController(GraphiQLProperties properties) {
     return new ReactiveGraphiQLController(properties);
   }
+
+  @Bean
+  @ConditionalOnWebApplication(type = REACTIVE)
+  @ConditionalOnExpression("'${graphql.graphiql.cdn.enabled:false}' == 'false'")
+  public RouterFunction<ServerResponse> graphiqlStaticFilesRouter() {
+
+    return RouterFunctions.resources(
+        "/vendor/graphiql/**", new ClassPathResource("static/vendor/graphiql/"));
+  }
+
+  @Configuration
+  @EnableWebMvc
+  @ConditionalOnWebApplication(type = SERVLET)
+  @ConditionalOnExpression("'${graphql.graphiql.cdn.enabled:false}' == 'false'")
+  public static class GraphiQLWebMvcResourceConfiguration implements WebMvcConfigurer {
+
+    @Override
+    public void addResourceHandlers(ResourceHandlerRegistry registry) {
+
+      registry.addResourceHandler("/vendor/graphiql/**")
+          .addResourceLocations(new ClassPathResource("static/vendor/graphiql/"));
+    }
+  }
 }

graphql-spring-boot-autoconfigure/src/test/java/graphql/kickstart/autoconfigure/editor/graphiql/GraphiQLEnabledTest.java

@@ -20,7 +20,10 @@
 import org.springframework.test.web.servlet.MockMvc;
 
 @ExtendWith(SpringExtension.class)
-@SpringBootTest(classes = {GraphiQLAutoConfiguration.class})
+@SpringBootTest(classes = {
+    GraphiQLAutoConfiguration.class,
+    GraphiQLAutoConfiguration.GraphiQLWebMvcResourceConfiguration.class
+})
 @AutoConfigureMockMvc
 @TestPropertySource("classpath:enabled-config.properties")
 class GraphiQLEnabledTest {
@@ -42,4 +45,15 @@ void graphiqlShouldBeAvailableAtDefaultEndpoint() throws Exception {
         .andExpect(content().string(not(is(emptyString()))))
         .andReturn();
   }
+
+  @Test
+  void graphiqlResourceShouldBeAvailableAtDefaultEndpoint() throws Exception {
+
+    mockMvc
+        .perform(get("/vendor/graphiql/favicon.ico"))
+        .andExpect(status().isOk())
+        .andExpect(content().contentTypeCompatibleWith("image/x-icon"))
+        .andExpect(content().string(not(is(emptyString()))))
+        .andReturn();
+  }
 }

graphql-spring-boot-autoconfigure/src/test/java/graphql/kickstart/autoconfigure/editor/graphiql/ReactiveGraphiQLEnabledTest.java

@@ -50,4 +50,20 @@ void graphiqlShouldBeAvailableAtDefaultEndpoint() throws Exception {
     log.info("{}", responseBody);
     assertThat(document.select("head title").text()).isEqualTo("GraphiQL");
   }
+
+  @Test
+  void graphiqlResourceShouldBeAvailableAtDefaultEndpoint() {
+    final String responseBody =
+        webTestClient
+            .get()
+            .uri("/vendor/graphiql/favicon.ico")
+            .exchange()
+            .expectStatus()
+            .isOk()
+            .expectBody(String.class)
+            .returnResult()
+            .getResponseBody();
+
+    assertThat(responseBody).isNotNull();
+  }
 }