add test for semantic validation

lib/validators/specResolver.js

@@ -468,7 +468,7 @@ class SpecResolver {
    * SemanticValidation:
    * This step should not be performed for semantic validation, othwerise there will
    * be a mismatch between the number of path parameters provided in the operation
-   * definition and the number pf parameters actually present in the path template.
+   * definition and the number of parameters actually present in the path template.
    */
   resolveParameterizedHost() {
     let self = this;

test/semanticValidation/specification/parameterizedhost/common/extendedRegions.json

@@ -0,0 +1,38 @@
+{
+  "swagger": "2.0",
+  "info": {
+    "version": "2017-08-30",
+    "title": "Common Referenced Parameters File",
+    "description": "File containing commonly referenced parameters."
+  },
+  "paths": {},
+  "parameters": {
+    "AzureRegion": {
+      "name": "AzureRegion",
+      "description": "Supported Azure regions for Cognitive Services endpoints",
+      "x-ms-parameter-location": "client",
+      "required": true,
+      "type": "string",
+      "in": "path",
+      "x-ms-skip-url-encoding": true,
+      "x-ms-enum": {
+        "name": "AzureRegions",
+        "modelAsString": false
+      },
+      "enum": [
+        "westus",
+        "westeurope",
+        "southeastasia",
+        "eastus2",
+        "westcentralus",
+        "westus2",
+        "eastus",
+        "southcentralus",
+        "northeurope",
+        "eastasia",
+        "australiaeast",
+        "brazilsouth"
+      ]
+    }
+  }
+}

test/semanticValidation/specification/parameterizedhost/common/parameters.json

@@ -0,0 +1,46 @@
+{
+  "swagger": "2.0",
+  "info": {
+    "version": "2017-08-30",
+    "title": "Common Referenced Parameters File",
+    "description": "File containing commonly referenced parameters."
+  },
+  "paths": {},
+  "parameters": {
+    "ImageStream": {
+      "name": "Image",
+      "in": "body",
+      "required": true,
+      "x-ms-parameter-location": "method",
+      "description": "An image stream.",
+      "schema": {
+        "type": "object",
+        "format": "file"
+      }
+    },
+    "ImageUrl": {
+      "name": "ImageUrl",
+      "in": "body",
+      "required": true,
+      "x-ms-parameter-location": "method",
+      "x-ms-client-flatten": true,
+      "description": "A JSON document with a URL pointing to the image that is to be analyzed.",
+      "schema": {
+        "$ref": "#/definitions/ImageUrl"
+      }
+    }
+  },
+  "definitions": {
+    "ImageUrl": {
+      "type": "object",
+      "required": [
+        "url"
+      ],
+      "properties": {
+        "url": {
+          "type": "string"
+        }
+      }
+    }
+  }
+}

test/semanticValidatorTests.js

@@ -0,0 +1,19 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for license information.
+
+const assert = require('assert');
+const validate = require('../lib/validate');
+
+describe('Semantic validation', function () {
+  it('should validate correctly when the spec contains an x-ms-parameterized-host', (done) => {
+    let specPath = `${__dirname}/semanticValidation/specification/parameterizedhost/face.json`;
+    validate.validateSpec(specPath, undefined, { consoleLogLevel: 'off' }).then((result) => {
+      console.dir(result, { depth: null });
+      assert(result.validityStatus === true, `swagger "${specPath}" contains model validation errors.`);
+      console.log(result);
+      done();
+    }).catch((err) => {
+      done(err);
+    });
+  });
+});