Fix kotlin array enum embedded

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractKotlinCodegen.java

@@ -702,9 +702,11 @@ public String toModelFilename(String name) {
     private String getArrayTypeDeclaration(ArraySchema arr) {
         // TODO: collection type here should be fully qualified namespace to avoid model conflicts
         // This supports arrays of arrays.
-        String arrayType = typeMapping.get("array");
+        String arrayType;
         if (Boolean.TRUE.equals(arr.getUniqueItems())) {
             arrayType = typeMapping.get("set");
+        } else {
+            arrayType = typeMapping.get("array");
         }
         StringBuilder instantiationType = new StringBuilder(arrayType);
         Schema items = arr.getItems();

modules/openapi-generator/src/main/resources/kotlin-spring/dataClass.mustache

@@ -25,7 +25,7 @@
     * {{{description}}}
     * Values: {{#allowableValues}}{{#enumVars}}{{&name}}{{^-last}},{{/-last}}{{/enumVars}}{{/allowableValues}}
     */
-    enum class {{nameInCamelCase}}(val value: {{{dataType}}}) {
+    enum class {{nameInCamelCase}}(val value: {{#isContainer}}{{#items}}{{{dataType}}}{{/items}}{{/isContainer}}{{^isContainer}}{{{dataType}}}{{/isContainer}}) {
     {{#allowableValues}}{{#enumVars}}
         @JsonProperty({{{value}}}) {{{name}}}({{{value}}}){{^-last}},{{/-last}}{{#-last}};{{/-last}}
     {{/enumVars}}{{/allowableValues}}

modules/openapi-generator/src/main/resources/kotlin-spring/dataClassOptVar.mustache

@@ -1,4 +1,4 @@
 {{#useBeanValidation}}{{#required}}
         {{^isReadOnly}}@get:NotNull{{/isReadOnly}} {{/required}}{{>beanValidationModel}}{{/useBeanValidation}}{{#swaggerAnnotations}}
         @ApiModelProperty({{#example}}example = "{{{example}}}", {{/example}}{{#required}}required = {{required}}, {{/required}}{{#isReadOnly}}readOnly = {{{isReadOnly}}}, {{/isReadOnly}}value = "{{{description}}}"){{/swaggerAnnotations}}
-        @JsonProperty("{{{baseName}}}"){{#isInherited}} override{{/isInherited}} {{>modelMutable}} {{{name}}}: {{#isEnum}}{{classname}}.{{nameInCamelCase}}{{/isEnum}}{{^isEnum}}{{{dataType}}}{{/isEnum}}? = {{#defaultvalue}}{{defaultvalue}}{{/defaultvalue}}{{^defaultvalue}}null{{/defaultvalue}}
+        @JsonProperty("{{{baseName}}}"){{#isInherited}} override{{/isInherited}} {{>modelMutable}} {{{name}}}: {{#isEnum}}{{#isListContainer}}{{baseType}}<{{/isListContainer}}{{classname}}.{{nameInCamelCase}}{{#isListContainer}}>{{/isListContainer}}{{/isEnum}}{{^isEnum}}{{{dataType}}}{{/isEnum}}? = {{#defaultvalue}}{{defaultvalue}}{{/defaultvalue}}{{^defaultvalue}}null{{/defaultvalue}}

modules/openapi-generator/src/main/resources/kotlin-spring/dataClassReqVar.mustache

@@ -1,4 +1,4 @@
 {{#useBeanValidation}}{{#required}}
         {{^isReadOnly}}@get:NotNull{{/isReadOnly}} {{/required}}{{>beanValidationModel}}{{/useBeanValidation}}{{#swaggerAnnotations}}
         @ApiModelProperty({{#example}}example = "{{{example}}}", {{/example}}{{#required}}required = {{required}}, {{/required}}{{#isReadOnly}}readOnly = {{{isReadOnly}}}, {{/isReadOnly}}value = "{{{description}}}"){{/swaggerAnnotations}}
-        @JsonProperty("{{{baseName}}}"){{#isInherited}} override{{/isInherited}} {{>modelMutable}} {{{name}}}: {{#isEnum}}{{classname}}.{{nameInCamelCase}}{{/isEnum}}{{^isEnum}}{{{dataType}}}{{/isEnum}}{{#isReadOnly}}? = {{#defaultvalue}}{{defaultvalue}}{{/defaultvalue}}{{^defaultvalue}}null{{/defaultvalue}}{{/isReadOnly}}
+        @JsonProperty("{{{baseName}}}"){{#isInherited}} override{{/isInherited}} {{>modelMutable}} {{{name}}}: {{#isEnum}}{{#isListContainer}}{{baseType}}<{{/isListContainer}}{{classname}}.{{nameInCamelCase}}{{#isListContainer}}>{{/isListContainer}}{{/isEnum}}{{^isEnum}}{{{dataType}}}{{/isEnum}}{{#isReadOnly}}? = {{#defaultvalue}}{{defaultvalue}}{{/defaultvalue}}{{^defaultvalue}}null{{/defaultvalue}}{{/isReadOnly}}

modules/openapi-generator/src/test/java/org/openapitools/codegen/kotlin/spring/KotlinSpringServerCodegenTest.java

@@ -1,15 +1,49 @@
 package org.openapitools.codegen.kotlin.spring;
 
+import com.fasterxml.jackson.annotation.JsonProperty;
+import io.swagger.parser.OpenAPIParser;
 import io.swagger.v3.oas.models.OpenAPI;
 import io.swagger.v3.oas.models.info.Info;
 import io.swagger.v3.oas.models.servers.Server;
-import org.openapitools.codegen.CodegenConstants;
+import io.swagger.v3.parser.core.models.ParseOptions;
+import org.apache.commons.io.FileUtils;
+import org.openapitools.codegen.*;
+import org.openapitools.codegen.config.CodegenConfigurator;
+import org.openapitools.codegen.kotlin.KotlinTestUtils;
+import org.openapitools.codegen.languages.AbstractJavaCodegen;
+import org.openapitools.codegen.languages.JavaClientCodegen;
 import org.openapitools.codegen.languages.KotlinSpringServerCodegen;
+import org.openapitools.codegen.languages.SpringCodegen;
+import org.openapitools.codegen.languages.features.CXFServerFeatures;
 import org.testng.Assert;
 import org.testng.annotations.Test;
 
+import java.io.File;
+import java.nio.file.Files;
+import java.util.Collections;
+
 public class KotlinSpringServerCodegenTest {
 
+    @Test(description = "test embedded enum array")
+    public void embeddedEnumArrayTest() throws Exception {
+        String baseModelPackage = "zz";
+        File output = Files.createTempDirectory("test").toFile().getCanonicalFile(); //may be move to /build
+        OpenAPI openAPI = TestUtils.parseSpec("src/test/resources/3_0/issue______kotlinArrayEnumEmbedded.yaml");
+        KotlinSpringServerCodegen codegen = new KotlinSpringServerCodegen();
+        codegen.setOutputDir(output.getAbsolutePath());
+        codegen.additionalProperties().put(CodegenConstants.MODEL_PACKAGE, baseModelPackage + ".yyyy.model.xxxx");
+        ClientOptInput input = new ClientOptInput();
+        input.openAPI(openAPI);
+        input.config(codegen);
+        DefaultGenerator generator = new DefaultGenerator();
+        generator.opts(input).generate();
+        File resultSourcePath = new File(output, "src/main/kotlin");
+        File outputModel = Files.createTempDirectory("test").toFile().getCanonicalFile();
+        FileUtils.copyDirectory(new File(resultSourcePath, baseModelPackage), new File(outputModel, baseModelPackage));
+        //no exception
+        ClassLoader cl = KotlinTestUtils.buildModule(Collections.singletonList(outputModel.getAbsolutePath()), Thread.currentThread().getContextClassLoader());
+    }
+
     @Test
     public void testInitialConfigValues() throws Exception {
         final KotlinSpringServerCodegen codegen = new KotlinSpringServerCodegen();
@@ -34,6 +68,7 @@ public void testInitialConfigValues() throws Exception {
         Assert.assertEquals(codegen.additionalProperties().get(KotlinSpringServerCodegen.SERVER_PORT), "8080");
     }
 
+
     @Test
     public void testSettersForConfigValues() throws Exception {
         final KotlinSpringServerCodegen codegen = new KotlinSpringServerCodegen();

modules/openapi-generator/src/test/resources/3_0/issue______kotlinArrayEnumEmbedded.yaml

@@ -0,0 +1,60 @@
+openapi: "3.0.1"
+info:
+  title: test
+  version: "1.0"
+paths:
+  /test:
+    get:
+      operationId: test
+      responses:
+        200:
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/EmbeddedEnumArray'
+
+components:
+  schemas:
+    EmbeddedEnumArray:
+      type: object
+      properties:
+        colors:
+          type: array
+          items:
+            type: string
+            enum: ['BLACK', 'RED', 'ORANGE', 'YELLOW', 'BLUE', 'GREEN']
+        reqColors:
+          type: array
+          items:
+            type: string
+            enum: ['BLACK', 'RED', 'ORANGE', 'YELLOW', 'BLUE', 'GREEN']
+      required:
+        - reqColors
+    NoEmbeddedEnumArray:
+      type: object
+      properties:
+        colors:
+          type: array
+          items:
+            $ref: '#/components/schemas/Colors'
+        reqColors:
+          type: array
+          items:
+            $ref: '#/components/schemas/Colors'
+          required:
+            - reqColors
+    Colors:
+      type: string
+      enum: ['BLACK', 'RED', 'ORANGE', 'YELLOW', 'BLUE', 'GREEN']
+    SimpleColorContainer:
+      type: object
+      properties:
+        color:
+          type: string
+          enum: ['BLACK', 'RED', 'ORANGE', 'YELLOW', 'BLUE', 'GREEN']
+        reqColor:
+          type: string
+          enum: ['BLACK', 'RED', 'ORANGE', 'YELLOW', 'BLUE', 'GREEN']
+      required:
+        - reqColor