implement swagger 2 validation

projects/openapi-io/inputs/swagger2/spec.yml

@@ -0,0 +1,24 @@
+swagger: '2.0'
+info:
+  version: '1.2.3'
+  title: my spec
+paths:
+  /api/users:
+    get:
+      produces: ['application/json']
+      parameters:
+        - name: search
+          in: query
+          description: search for users
+          required: true
+          type: string
+      responses:
+        '200':
+          description: 'response'
+          schema:
+            type: object
+            properties:
+              id:
+                type: string
+
+

projects/openapi-io/src/index.ts

@@ -9,7 +9,10 @@ import {
 import { ExternalRefHandler } from './parser/types';
 import { JsonPath, JsonSchemaSourcemap } from './parser/sourcemap';
 import { loadYaml, isYaml, isJson, writeYaml } from './write';
-import { validateOpenApiV3Document } from './validation/validator';
+import {
+  validateSwaggerV2Document,
+  validateOpenApiV3Document,
+} from './validation/validator';
 import { ValidationError, OpenAPIVersionError } from './validation/errors';
 import {
   checkOpenAPIVersion,
@@ -38,6 +41,7 @@ export {
   writeYaml,
   dereferenceOpenApi,
   ResolverError,
+  validateSwaggerV2Document,
   validateOpenApiV3Document,
   ValidationError,
   OpenAPIVersionError,

projects/openapi-io/src/validation/__snapshots__/validator.test.ts.snap

@@ -1,20 +1,50 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`non-strict validation should fail open api doc with invalid status code shape 1`] = `
+exports[`2.x.x validation non-strict validation invalid swagger document should raise errors 1`] = `
+"invalid openapi: paths > /api > get must have required property 'responses'
+/paths/~1api/get
+invalid openapi: swagger must be equal to one of the allowed values 2.0
+/swagger
+invalid openapi: info must have required property 'version'
+/info"
+`;
+
+exports[`2.x.x validation strict validation invalid swagger document should raise errors 1`] = `
+"invalid openapi: paths > /api > get > responses must NOT be valid
+/paths/~1api/get/responses"
+`;
+
+exports[`3.x.x validation non-strict validation should fail open api doc with invalid status code shape 1`] = `
 "invalid openapi: paths > /example > get > responses > 202 must be object
 /paths/~1example/get/responses/202"
 `;
 
-exports[`non-strict validation should fail open api doc with no path should throw an error 1`] = `
+exports[`3.x.x validation non-strict validation should fail open api doc with no path should throw an error 1`] = `
 "invalid openapi:  must have required property 'paths'
 "
 `;
 
-exports[`non-strict validation should fail open api doc without responses 1`] = `
+exports[`3.x.x validation non-strict validation should fail open api doc without responses 1`] = `
 "invalid openapi: paths > /example > get must have required property 'responses'
 /paths/~1example/get"
 `;
 
+exports[`3.x.x validation strict validation advanced validators run and append their results 1`] = `
+"invalid openapi: paths > /api/users/{userId} > get > responses > 200 > content > application/json > schema > oneOf must NOT have fewer than 1 items
+/paths/~1api~1users~1{userId}/get/responses/200/content/application~1json/schema/oneOf
+invalid openapi: paths > /api/users/{userId} > get > responses > 200 > content > application/json > schema > anyOf must NOT have fewer than 1 items
+/paths/~1api~1users~1{userId}/get/responses/200/content/application~1json/schema/anyOf
+invalid openapi: paths > /api/users/{userId} > get > responses > 200 > content > application/json > schema > items must be object
+/paths/~1api~1users~1{userId}/get/responses/200/content/application~1json/schema/items
+invalid openapi: paths > /api/users/{userId} > get > responses > 200 > content > application/json > schema schema with type "object" cannot also include keywords: items
+/paths/~1api~1users~1{userId}/get/responses/200/content/application~1json/schema"
+`;
+
+exports[`3.x.x validation strict validation open api doc with no description in response should throw 1`] = `
+"invalid openapi: paths > /example > get > responses > 200 must have required property 'description'
+/paths/~1example/get/responses/200"
+`;
+
 exports[`processValidatorErrors 1`] = `
 "invalid openapi: paths > /api/users/{userId} > get > responses > 200 > content > application/json > schema > properties > hello > items must be object
 /paths/~1api~1users~1{userId}/get/responses/200/content/application~1json/schema/properties/hello/items"
@@ -38,19 +68,3 @@ exports[`processValidatorErrors attaches the sourcemap 1`] = `
 40 |   }
 41 | }"
 `;
-
-exports[`strict validation advanced validators run and append their results 1`] = `
-"invalid openapi: paths > /api/users/{userId} > get > responses > 200 > content > application/json > schema > oneOf must NOT have fewer than 1 items
-/paths/~1api~1users~1{userId}/get/responses/200/content/application~1json/schema/oneOf
-invalid openapi: paths > /api/users/{userId} > get > responses > 200 > content > application/json > schema > anyOf must NOT have fewer than 1 items
-/paths/~1api~1users~1{userId}/get/responses/200/content/application~1json/schema/anyOf
-invalid openapi: paths > /api/users/{userId} > get > responses > 200 > content > application/json > schema > items must be object
-/paths/~1api~1users~1{userId}/get/responses/200/content/application~1json/schema/items
-invalid openapi: paths > /api/users/{userId} > get > responses > 200 > content > application/json > schema schema with type "object" cannot also include keywords: items
-/paths/~1api~1users~1{userId}/get/responses/200/content/application~1json/schema"
-`;
-
-exports[`strict validation open api doc with no description in response should throw 1`] = `
-"invalid openapi: paths > /example > get > responses > 200 must have required property 'description'
-/paths/~1example/get/responses/200"
-`;