Issue 1886

modules/swagger-parser-v3/src/main/java/io/swagger/v3/parser/processors/ExternalRefProcessor.java

@@ -29,6 +29,7 @@
 import io.swagger.v3.parser.ResolverCache;
 import io.swagger.v3.parser.models.RefFormat;
 import io.swagger.v3.parser.models.RefType;
+import org.apache.commons.io.FilenameUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.slf4j.LoggerFactory;
 
@@ -130,10 +131,11 @@ public String processRefToExternalSchema(String $ref, RefFormat refFormat) {
                                 String[] parts = schemaFullRef.split("#/");
                                 String schemaFullRefFilePart = parts[0];
                                 String schemaFullRefInternalRefPart = parts[1];
-                                schemaFullRef = Paths.get(parent, schemaFullRefFilePart).normalize().toString() + "#/" + schemaFullRefInternalRefPart;
+                                schemaFullRef = Paths.get(parent, schemaFullRefFilePart).normalize() + "#/" + schemaFullRefInternalRefPart;
                             } else {
                                 schemaFullRef = Paths.get(parent, schemaFullRef).normalize().toString();
                             }
+                            schemaFullRef = FilenameUtils.separatorsToUnix(schemaFullRef);
                         }
                         schema.set$ref(processRefToExternalSchema(schemaFullRef, ref));
                     }

modules/swagger-parser-v3/src/test/java/io/swagger/v3/parser/test/OpenAPIV3ParserTest.java

@@ -3269,4 +3269,20 @@ public void test31SafeURLResolvingWithLocalhost() {
             }
         }
     }
+
+    @Test
+    public void testIssue1886() {
+        ParseOptions options = new ParseOptions();
+        options.setResolve(true);
+        options.setFlatten(true);
+        OpenAPIV3Parser openApiParser = new OpenAPIV3Parser();
+        SwaggerParseResult parseResult = openApiParser.readLocation("issue-1886/openapi.yaml", null, options);
+        OpenAPI openAPI = parseResult.getOpenAPI();
+        assertEqualsNoOrder(
+            openAPI.getComponents().getSchemas().keySet(),
+            Arrays.asList("ArrayPojo", "Enum1", "Enum1_1", "Enum2", "Enum3", "MapPojo", "SetPojo", "SimplePojo",
+                "TransactionsPatchRequestBody", "additional-properties", "array-pojo", "locale-translation-item",
+                "map-pojo", "set-pojo", "simple-pojo", "translation-item")
+        );
+    }
 }

modules/swagger-parser-v3/src/test/resources/issue-1886/components.yaml

@@ -0,0 +1,19 @@
+Enum1:
+  $ref: schemas/enum1.yaml
+Enum2:
+  type: string
+  enum: [a, b, c]
+  nullable: false
+Enum3:
+  type: string
+  enum: [x, y, z]
+  nullable: true
+
+SimplePojo:
+  $ref: schemas/simple-pojo.yaml
+ArrayPojo:
+  $ref: schemas/array-pojo.yaml
+MapPojo:
+  $ref: schemas/map-pojo.yaml
+SetPojo:
+  $ref: schemas/set-pojo.yaml

modules/swagger-parser-v3/src/test/resources/issue-1886/openapi.yaml

@@ -0,0 +1,71 @@
+openapi: 3.0.3
+
+info:
+  title: Arrangement Support
+  version: '1.0'
+
+paths:
+  /simple-types:
+    $ref: paths/simple-types.yaml
+  /simple-types/{id}/{ids}:
+    $ref: paths/simple-types-ids.yaml
+  /array-types:
+    $ref: paths/array-types.yaml
+  /array-types/{id}/{ids}:
+    $ref: paths/array-types-ids.yaml
+  /set-types:
+    $ref: paths/set-types.yaml
+  /set-types/{id}/{ids}:
+    $ref: paths/set-types-ids.yaml
+  /map-types:
+    $ref: paths/map-types.yaml
+  /map-types/{id}/{ids}:
+    $ref: paths/map-types-ids.yaml
+  /transactions:
+    patch:
+      tags:
+      - transactions
+      summary: patch
+      description: Updates list of transactions
+      operationId: patchTransactions
+      requestBody:
+        description: Updates list of transactions
+        content:
+          application/json:
+            schema:
+              type: array
+              items:
+                $ref: '#/components/schemas/TransactionsPatchRequestBody'
+      responses:
+        "204":
+          description: OK
+
+components:
+  schemas:
+    TransactionsPatchRequestBody:
+      required:
+      - id
+      type: object
+      properties:
+        id:
+          maxLength: 300
+          type: string
+          description: Unique identification for the transaction as used in the external
+            system
+        arrangementId:
+          maxLength: 50
+          type: string
+          description: An external reference to the arrangement the transaction belongs
+            to
+        category:
+          maxLength: 50
+          type: string
+          description: Transaction category
+        billingStatus:
+          maxLength: 8
+          type: string
+        creationTime:
+          type: string
+          format: date-time
+          x-java-type: java.time.OffsetDateTime
+

modules/swagger-parser-v3/src/test/resources/issue-1886/paths/array-types-ids.yaml

@@ -0,0 +1,40 @@
+parameters:
+  - name: id
+    required: true
+    in: path
+    schema:
+      type: string
+      minLength: 1
+      maxLength: 36
+      pattern: '^[A-Z]+$'
+  - name: ids
+    in: path
+    required: true
+    schema:
+      type: array
+      items:
+        type: string
+        minLength: 1
+        maxLength: 36
+        pattern: '^[A-Z]+$'
+delete:
+  tags:
+    - array-types
+  x-content-language: application/json
+  requestBody:
+    required: true
+    content:
+      application/json:
+        schema:
+          type: array
+          items:
+            $ref: '../components.yaml#/ArrayPojo'
+  responses:
+    200:
+      description: OK
+      content:
+        application/json:
+          schema:
+            type: array
+            items:
+              $ref: '../components.yaml#/ArrayPojo'

modules/swagger-parser-v3/src/test/resources/issue-1886/paths/array-types.yaml

@@ -0,0 +1,134 @@
+get:
+  tags:
+    - array-types
+  x-content-language: application/json
+  parameters:
+    - name: h-param
+      in: header
+      schema:
+        type: string
+        minLength: 1
+        maxLength: 36
+        pattern: '^[A-Z]+$'
+    - name: h-params
+      in: header
+      schema:
+        type: array
+        items:
+          type: string
+          minLength: 1
+          maxLength: 36
+          pattern: '^[A-Z]+$'
+    - name: c-param
+      in: cookie
+      schema:
+        type: string
+        minLength: 1
+        maxLength: 36
+        pattern: '^[A-Z]+$'
+    - name: c-params
+      in: cookie
+      schema:
+        type: array
+        items:
+          type: string
+          minLength: 1
+          maxLength: 36
+          pattern: '^[A-Z]+$'
+    - name: q-param
+      in: query
+      required: false
+      schema:
+        type: string
+        minLength: 1
+        maxLength: 36
+        pattern: '^[A-Z]+$'
+    - name: q-param-enum
+      in: query
+      required: false
+      schema:
+        $ref: '../components.yaml#/Enum1'
+    - name: q-param-req
+      in: query
+      required: true
+      schema:
+        type: string
+        minLength: 1
+        maxLength: 36
+        pattern: '^[A-Z]+$'
+    - name: q-param-enum-req
+      in: query
+      required: true
+      schema:
+        $ref: '../components.yaml#/Enum2'
+    - name: q-params
+      in: query
+      schema:
+        type: array
+        items:
+          type: string
+          minLength: 1
+          maxLength: 36
+          pattern: '^[A-Z]+$'
+    - name: q-params-enum
+      in: query
+      schema:
+        type: array
+        items:
+          $ref: '../components.yaml#/Enum3'
+    - name: q-params-req
+      in: query
+      required: true
+      schema:
+        type: array
+        items:
+          type: string
+          minLength: 1
+          maxLength: 36
+          pattern: '^[A-Z]+$'
+    - name: q-params-set
+      in: query
+      required: false
+      schema:
+        type: array
+        uniqueItems: true
+        items:
+          type: string
+          minLength: 1
+          maxLength: 36
+          pattern: '^[A-Z]+$'
+    - name: q-params-set-req
+      in: query
+      required: true
+      schema:
+        type: array
+        uniqueItems: true
+        items:
+          type: string
+          minLength: 1
+          maxLength: 36
+          pattern: '^[A-Z]+$'
+  responses:
+    200:
+      description: OK
+      content:
+        application/json:
+          schema:
+            $ref: '../components.yaml#/ArrayPojo'
+post:
+  tags:
+    - array-types
+  x-content-language: application/json
+  requestBody:
+    required: true
+    content:
+      application/json:
+        schema:
+          $ref: '../components.yaml#/ArrayPojo'
+  responses:
+    200:
+      description: OK
+      content:
+        application/json:
+          schema:
+            $ref: '../components.yaml#/ArrayPojo'

modules/swagger-parser-v3/src/test/resources/issue-1886/paths/map-types-ids.yaml

@@ -0,0 +1,40 @@
+parameters:
+  - name: id
+    required: true
+    in: path
+    schema:
+      type: string
+      minLength: 1
+      maxLength: 36
+      pattern: '^[A-Z]+$'
+  - name: ids
+    in: path
+    required: true
+    schema:
+      type: array
+      items:
+        type: string
+        minLength: 1
+        maxLength: 36
+        pattern: '^[A-Z]+$'
+delete:
+  tags:
+    - simple-types
+  x-content-language: application/json
+  requestBody:
+    required: true
+    content:
+      application/json:
+        schema:
+          type: array
+          items:
+            $ref: '../components.yaml#/SimplePojo'
+  responses:
+    200:
+      description: OK
+      content:
+        application/json:
+          schema:
+            type: array
+            items:
+              $ref: '../components.yaml#/SimplePojo'