Bump io.swagger:swagger-codegen from 2.3.1 to 2.4.12

plugin/build.gradle.kts

@@ -29,7 +29,7 @@ dependencies {
 
     implementation("commons-cli:commons-cli:1.4")
     implementation("com.google.guava:guava:27.0-jre")
-    implementation("io.swagger:swagger-codegen:2.3.1")
+    implementation("io.swagger:swagger-codegen:2.4.12")
 
     testImplementation("junit:junit:4.12")
 }

plugin/src/main/java/com/yelp/codegen/SharedCodegen.kt

@@ -1,13 +1,13 @@
 package com.yelp.codegen
 
-import com.yelp.codegen.utils.InlineModelResolver
 import com.yelp.codegen.utils.safeSuffix
 import io.swagger.codegen.CodegenConfig
 import io.swagger.codegen.CodegenModel
 import io.swagger.codegen.CodegenOperation
 import io.swagger.codegen.CodegenProperty
 import io.swagger.codegen.CodegenType
 import io.swagger.codegen.DefaultCodegen
+import io.swagger.codegen.InlineModelResolver
 import io.swagger.codegen.SupportingFile
 import io.swagger.models.ArrayModel
 import io.swagger.models.ComposedModel
@@ -93,12 +93,26 @@ abstract class SharedCodegen : DefaultCodegen(), CodegenConfig {
     override fun preprocessSwagger(swagger: Swagger) {
         super.preprocessSwagger(swagger)
 
+        // Swagger-Codegen does invoke InlineModelResolver.flatten before starting the API and Models generation
+        // It is a bit too late to ensure that inline models (with x-model) have the model name honored
+        // according to the following ordering preference: x-model, title, <whatever codegen generates>
+        // So we're triggering the process early on as the process is not super slow and more importantly is idempotent
+        InlineModelResolver().flatten(swagger)
+
         unsafeOperations.addAll(when (val it = swagger.info.vendorExtensions["x-operation-ids-unsafe-to-use"]) {
             is List<*> -> it.filterIsInstance<String>()
             else -> listOf()
         })
 
         mapXModel(swagger)
+
+        swagger.definitions?.forEach { (name, model) ->
+            // Ensure that all the models have a title
+            // The title should give priority to x-model, then title and finally
+            // to the name that codegen thought to use
+            model.title = xModelMatches[name] ?: name
+        }
+
         this.swagger = swagger
     }
 
@@ -119,8 +133,7 @@ abstract class SharedCodegen : DefaultCodegen(), CodegenConfig {
      * computing models names.
      */
     private fun mapXModel(swagger: Swagger) {
-        InlineModelResolver().flatten(swagger)
-        swagger.definitions.forEach { name, model ->
+        swagger.definitions?.forEach { (name, model) ->
             (model.vendorExtensions?.get(X_MODEL) as? String?)?.let { x_model ->
                 xModelMatches[name] = x_model
             }

samples/junit-tests/junit_tests_specs.json

@@ -437,6 +437,110 @@
                 ]
             }
         },
+        "/model_name/no_x-model_or_title": {
+            "get": {
+                "operationId": "getInlinedModelWithNoNames",
+                "responses": {
+                    "200": {
+                        "description": "The expected model name is InlineResponse200 (generated by codegen)",
+                        "schema": {
+                            "properties": {
+                                "no_xmodel_no_title": {
+                                    "enum": [
+                                        "val1",
+                                        "val2"
+                                    ],
+                                    "type": "string"
+                                }
+                            },
+                            "type": "object"
+                        }
+                    }
+                },
+                "tags": [
+                    "model_name_check"
+                ]
+            }
+        },
+        "/model_name/title_only": {
+            "get": {
+                "operationId": "getInlinedModelWithTitleOnly",
+                "responses": {
+                    "200": {
+                        "description": "The expected model name is ModelWithOnlyTitle (title attribute)",
+                        "schema": {
+                            "properties": {
+                                "title_only": {
+                                    "enum": [
+                                        "val1",
+                                        "val2"
+                                    ],
+                                    "type": "string"
+                                }
+                            },
+                            "title": "ModelWithOnlyTitle",
+                            "type": "object"
+                        }
+                    }
+                },
+                "tags": [
+                    "model_name_check"
+                ]
+            }
+        },
+        "/model_name/x-model_and_title": {
+            "get": {
+                "operationId": "getInlinedModelWithXModelAndTitle",
+                "responses": {
+                    "200": {
+                        "description": "The expected model name is ModelWithXModelAndTitle (x-model attribute)",
+                        "schema": {
+                            "properties": {
+                                "xmodel_and_title": {
+                                    "enum": [
+                                        "val1",
+                                        "val2"
+                                    ],
+                                    "type": "string"
+                                }
+                            },
+                            "title": "ThisShouldBeIgnored",
+                            "type": "object",
+                            "x-model": "ModelWithXModelAndTitle"
+                        }
+                    }
+                },
+                "tags": [
+                    "model_name_check"
+                ]
+            }
+        },
+        "/model_name/x-model_only": {
+            "get": {
+                "operationId": "getInlinedModelWithXModelOnly",
+                "responses": {
+                    "200": {
+                        "description": "The expected model name is ModelWithOnlyXModel (x-model attribute)",
+                        "schema": {
+                            "properties": {
+                                "xmodel_only": {
+                                    "enum": [
+                                        "val1",
+                                        "val2"
+                                    ],
+                                    "type": "string"
+                                }
+                            },
+                            "type": "object",
+                            "x-model": "ModelWithOnlyXModel"
+                        }
+                    }
+                },
+                "tags": [
+                    "model_name_check"
+                ]
+            }
+        },
         "/nested_additional_properties": {
             "get": {
                 "operationId": "get_nested_additional_properties",

samples/junit-tests/src/main/java/com/yelp/codegen/generatecodesamples/apis/ModelNameCheckApi.kt

@@ -0,0 +1,54 @@
+/**
+ * NOTE: This class is auto generated by the Swagger Gradle Codegen for the following API: JUnit Tests
+ *
+ * More info on this tool is available on https://github.com/Yelp/swagger-gradle-codegen
+ */
+
+package com.yelp.codegen.generatecodesamples.apis
+
+import com.yelp.codegen.generatecodesamples.models.InlineResponse200
+import com.yelp.codegen.generatecodesamples.models.ModelWithOnlyTitle
+import com.yelp.codegen.generatecodesamples.models.ModelWithOnlyXModel
+import com.yelp.codegen.generatecodesamples.models.ModelWithXModelAndTitle
+import io.reactivex.Single
+import retrofit2.http.GET
+import retrofit2.http.Headers
+
+@JvmSuppressWildcards
+interface ModelNameCheckApi {
+    /**
+     * The endpoint is owned by junittests service owner
+     */
+    @Headers(
+            "X-Operation-ID: getInlinedModelWithNoNames"
+    )
+    @GET("/model_name/no_x-model_or_title")
+    fun getInlinedModelWithNoNames(): Single<InlineResponse200>
+
+    /**
+     * The endpoint is owned by junittests service owner
+     */
+    @Headers(
+            "X-Operation-ID: getInlinedModelWithTitleOnly"
+    )
+    @GET("/model_name/title_only")
+    fun getInlinedModelWithTitleOnly(): Single<ModelWithOnlyTitle>
+
+    /**
+     * The endpoint is owned by junittests service owner
+     */
+    @Headers(
+            "X-Operation-ID: getInlinedModelWithXModelAndTitle"
+    )
+    @GET("/model_name/x-model_and_title")
+    fun getInlinedModelWithXModelAndTitle(): Single<ModelWithXModelAndTitle>
+
+    /**
+     * The endpoint is owned by junittests service owner
+     */
+    @Headers(
+            "X-Operation-ID: getInlinedModelWithXModelOnly"
+    )
+    @GET("/model_name/x-model_only")
+    fun getInlinedModelWithXModelOnly(): Single<ModelWithOnlyXModel>
+}

samples/junit-tests/src/main/java/com/yelp/codegen/generatecodesamples/models/InlineResponse200.kt

@@ -0,0 +1,29 @@
+/**
+ * NOTE: This class is auto generated by the Swagger Gradle Codegen for the following API: JUnit Tests
+ *
+ * More info on this tool is available on https://github.com/Yelp/swagger-gradle-codegen
+ */
+
+package com.yelp.codegen.generatecodesamples.models
+
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+
+/**
+ *
+ * @property noXmodelNoTitle
+ */
+@JsonClass(generateAdapter = true)
+data class InlineResponse200(
+    @Json(name = "no_xmodel_no_title") @field:Json(name = "no_xmodel_no_title") var noXmodelNoTitle: InlineResponse200.NoXmodelNoTitleEnum? = null
+) {
+    /**
+     *
+     * Values: VAL1, VAL2
+     */
+    @JsonClass(generateAdapter = false)
+    enum class NoXmodelNoTitleEnum(val value: String) {
+        @Json(name = "val1") VAL1("val1"),
+        @Json(name = "val2") VAL2("val2")
+    }
+}

samples/junit-tests/src/main/java/com/yelp/codegen/generatecodesamples/models/ModelWithOnlyTitle.kt

@@ -0,0 +1,29 @@
+/**
+ * NOTE: This class is auto generated by the Swagger Gradle Codegen for the following API: JUnit Tests
+ *
+ * More info on this tool is available on https://github.com/Yelp/swagger-gradle-codegen
+ */
+
+package com.yelp.codegen.generatecodesamples.models
+
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+
+/**
+ *
+ * @property titleOnly
+ */
+@JsonClass(generateAdapter = true)
+data class ModelWithOnlyTitle(
+    @Json(name = "title_only") @field:Json(name = "title_only") var titleOnly: ModelWithOnlyTitle.TitleOnlyEnum? = null
+) {
+    /**
+     *
+     * Values: VAL1, VAL2
+     */
+    @JsonClass(generateAdapter = false)
+    enum class TitleOnlyEnum(val value: String) {
+        @Json(name = "val1") VAL1("val1"),
+        @Json(name = "val2") VAL2("val2")
+    }
+}

samples/junit-tests/src/main/java/com/yelp/codegen/generatecodesamples/models/ModelWithOnlyXModel.kt

@@ -0,0 +1,29 @@
+/**
+ * NOTE: This class is auto generated by the Swagger Gradle Codegen for the following API: JUnit Tests
+ *
+ * More info on this tool is available on https://github.com/Yelp/swagger-gradle-codegen
+ */
+
+package com.yelp.codegen.generatecodesamples.models
+
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+
+/**
+ *
+ * @property xmodelOnly
+ */
+@JsonClass(generateAdapter = true)
+data class ModelWithOnlyXModel(
+    @Json(name = "xmodel_only") @field:Json(name = "xmodel_only") var xmodelOnly: ModelWithOnlyXModel.XmodelOnlyEnum? = null
+) {
+    /**
+     *
+     * Values: VAL1, VAL2
+     */
+    @JsonClass(generateAdapter = false)
+    enum class XmodelOnlyEnum(val value: String) {
+        @Json(name = "val1") VAL1("val1"),
+        @Json(name = "val2") VAL2("val2")
+    }
+}

samples/junit-tests/src/main/java/com/yelp/codegen/generatecodesamples/models/ModelWithXModelAndTitle.kt

@@ -0,0 +1,29 @@
+/**
+ * NOTE: This class is auto generated by the Swagger Gradle Codegen for the following API: JUnit Tests
+ *
+ * More info on this tool is available on https://github.com/Yelp/swagger-gradle-codegen
+ */
+
+package com.yelp.codegen.generatecodesamples.models
+
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+
+/**
+ *
+ * @property xmodelAndTitle
+ */
+@JsonClass(generateAdapter = true)
+data class ModelWithXModelAndTitle(
+    @Json(name = "xmodel_and_title") @field:Json(name = "xmodel_and_title") var xmodelAndTitle: ModelWithXModelAndTitle.XmodelAndTitleEnum? = null
+) {
+    /**
+     *
+     * Values: VAL1, VAL2
+     */
+    @JsonClass(generateAdapter = false)
+    enum class XmodelAndTitleEnum(val value: String) {
+        @Json(name = "val1") VAL1("val1"),
+        @Json(name = "val2") VAL2("val2")
+    }
+}