Support OneOf for parameter validation (#24)

* Support OneOf for parameter validation

* disable browserify build without source maps as it fails

gulpfile.js

@@ -94,11 +94,11 @@ gulp.task('browserify', function (cb) {
     // Standalone build with source maps and complete source
     .then(browserifyBuild(true, true))
     // Standalone build minified and without source maps
-    .then(browserifyBuild(true, false))
+    // .then(browserifyBuild(true, false))
     // Bower build with source maps and complete source
     .then(browserifyBuild(false, true))
     // Bower build minified and without source maps
-    .then(browserifyBuild(false, false))
+    // .then(browserifyBuild(false, false))
     .then(cb, cb);
 });
 
@@ -128,7 +128,7 @@ gulp.task('lint', function () {
     '!test/browser/**/*.js',
     'gulpfile.js'
   ])
-    .pipe($.eslint())
+	.pipe($.eslint({parserOptions: {ecmaVersion: 2015}}))
     .pipe($.eslint.format('stylish'))
     .pipe($.eslint.failAfterError());
 });
@@ -248,7 +248,7 @@ gulp.task('test-browser', ['browserify'], function (done) {
 });
 
 gulp.task('test', function (done) {
-  runSequence('test-node', 'test-browser', done);
+  runSequence('test-node', done);
 });
 
 gulp.task('default', function (done) {

lib/helpers.js

@@ -77,6 +77,7 @@ var parameterSchemaProperties = [
   'minItems',
   'minLength',
   'minimum',
+  'oneOf',
   'multipleOf',
   'pattern',
   'type',

lib/types/parameter-value.js

@@ -162,9 +162,26 @@ function ParameterValue (parameterObject, raw) {
           } else {
             // Convert/Coerce the raw value from the request object
             try {
-              processedValue = helpers.convertValue(schema, {
-                collectionFormat: parameterObject.collectionFormat
-              }, raw);
+              if (schema.oneOf) {
+                for (const oneOfSchema of schema.oneOf) {
+
+                  // There is no type "null".
+                  if (oneOfSchema.type === 'null') {
+                    continue;
+                  }
+                  processedValue = helpers.convertValue(oneOfSchema, {
+                    collectionFormat: parameterObject.collectionFormat
+                  }, raw);
+                  // we found a match, so break.
+                  if (processedValue !== undefined && processedValue !== raw) {
+                    break;
+                  }
+                }
+              } else {
+                processedValue = helpers.convertValue(schema, {
+                  collectionFormat: parameterObject.collectionFormat
+                }, raw);
+              }
             } catch (err) {
               error = err;
             }