test: Add annotation integration test (#52)

test - Add annotation integration test

Author: lorenzsimon

kotlin-asyncapi-spring-web/src/main/kotlin/org/openfolder/kotlinasyncapi/springweb/context/AnnotationProvider.kt

@@ -41,10 +41,10 @@ internal class AnnotationProvider(
 
     override val asyncApi: AsyncApi? by lazy {
         AsyncApi().apply {
-            channels {
+            components {
                 bind(this)
             }
-            components {
+            channels {
                 bind(this)
             }
         }

kotlin-asyncapi-spring-web/src/test/kotlin/org/openfolder/kotlinasyncapi/springweb/controller/AsyncApiControllerIntegrationTest.kt

@@ -1,6 +1,9 @@
 package org.openfolder.kotlinasyncapi.springweb.controller
 
 import org.junit.jupiter.api.Test
+import org.openfolder.kotlinasyncapi.annotation.channel.Channel
+import org.openfolder.kotlinasyncapi.annotation.channel.Message
+import org.openfolder.kotlinasyncapi.annotation.channel.Publish
 import org.openfolder.kotlinasyncapi.springweb.EnableAsyncApi
 import org.openfolder.kotlinasyncapi.springweb.TestUtils
 import org.openfolder.kotlinasyncapi.springweb.service.AsyncApiExtension
@@ -161,3 +164,51 @@ internal class AsyncApiControllerIntegrationTest {
             }
     }
 }
+
+@SpringBootTest
+@AutoConfigureMockMvc
+internal class AsyncApiControllerAnnotationIntegrationTest {
+
+    @Autowired
+    lateinit var mockMvc: MockMvc
+
+    @Test
+    fun `should return AsyncApi document`() {
+        val expected = TestUtils.json("async_api_annotation_integration.json")
+
+        mockMvc.perform(get("/docs/asyncapi"))
+            .andExpect(MockMvcResultMatchers.status().is2xxSuccessful)
+            .andExpect(content().json(expected))
+    }
+
+    @SpringBootConfiguration
+    @EnableAutoConfiguration
+    @EnableAsyncApi
+    open class TestConfig {
+
+        @Bean
+        open fun asyncApiExtension() =
+            AsyncApiExtension.builder {
+                info {
+                    title("testTitle")
+                    version("testVersion")
+                }
+            }
+    }
+
+    @Channel("my/channel")
+    class TestChannel {
+
+        @Publish(
+            description = "testDescription",
+            message = Message(TestMessage::class)
+        )
+        fun testOperation() {}
+    }
+
+    @Message
+    data class TestMessage(
+        val value: String,
+        val optionalValue: Boolean?
+    )
+}

kotlin-asyncapi-spring-web/src/test/resources/async_api_annotation_integration.json

@@ -0,0 +1,57 @@
+{
+  "asyncapi": "2.4.0",
+  "info": {
+    "title": "testTitle",
+    "version": "testVersion"
+  },
+  "channels": {
+    "my/channel": {
+      "$ref": "#/components/channels/TestChannel"
+    }
+  },
+  "components": {
+    "schemas": {
+      "TestMessage": {
+        "required": [
+          "value"
+        ],
+        "type": "object",
+        "properties": {
+          "value": {
+            "type": "string",
+            "exampleSetFlag": false,
+            "types": [
+              "string"
+            ]
+          },
+          "optionalValue": {
+            "type": "boolean",
+            "exampleSetFlag": false,
+            "types": [
+              "boolean"
+            ]
+          }
+        },
+        "exampleSetFlag": false
+      }
+    },
+    "channels": {
+      "TestChannel": {
+        "publish": {
+          "description": "testDescription",
+          "message": {
+            "$ref": "#/components/messages/TestMessage"
+          }
+        }
+      }
+    },
+    "messages": {
+      "TestMessage": {
+        "payload": {
+          "$ref": "#/components/schemas/TestMessage"
+        },
+        "schemaFormat": "application/schema+json;version=draft-07"
+      }
+    }
+  }
+}