fix: OAS3 integration tests and fixes SO-103 (#253)

* chore: ignore lib directory

* refactor: change name, oas2

* test: enlarge the oas2 base file

* refactor: add json schema types for better typings

* fix: cast back to ajv so we can use it safely around

* refactor: avoid dangling non const

* chore: use node 10

* test: add bunch of tests

* test: add to do when we'll fix this problem

* test: use more precise paths

* test: add basic and failing tests

* feat: return and transform the default response if defined

* test: change test meaning

* chore: lint after the tests

* fix: try to find first the default response and then modify it

* fix: dot overwrite the original object

* test: add request specific status code test

* test: add test for unexistend status code

* test: add no parameter provided test

* fix: find a suitable response when not found

* test: update test to return default content-type

* test: dry fixture document

* refactor: correct texts

* test: remove oas2 leftover test

* test: put oas2/3 documents on pair

* test: repeat tests for oas2 and 3

* chore: file rename

* test: remove oas3 file test

* test: add oas3 specific

* test: remove xml content types

* test: reorder and fixup

* test: use native promise

* test: remove redundant test

* feat: do not create singleton grahite and loaders

* chore: env in config file

* chore: typecheck only on regular builds

* refactor: export class definition, not factories

* test: check loader type

* chore: dry test configuration

* test: oas specific

* test: externalise oas specific tests

* tests: check the body

* test: check resources are the same when loading same file in two instances

* test default response in oas2 too

* v3.0.0-pre.2

.circleci/config.yml

@@ -35,7 +35,7 @@ jobs:
             ./cc-test-reporter after-build --coverage-input-type lcov --exit-code $?
       - run:
           name: Run build
-          command: yarn build
+          command: yarn typecheck
   publish:
     docker:
       - image: circleci/node:10

examples/petstore.oas2.json

@@ -42,7 +42,7 @@
     "http"
   ],
   "paths": {
-    "/pet": {
+    "/pets": {
       "post": {
         "tags": [
           "pet"
@@ -130,7 +130,7 @@
         ]
       }
     },
-    "/pet/findByStatus": {
+    "/pets/findByStatus": {
       "get": {
         "tags": [
           "pet"
@@ -185,7 +185,7 @@
         ]
       }
     },
-    "/pet/findByTags": {
+    "/pets/findByTags": {
       "get": {
         "tags": [
           "pet"
@@ -235,7 +235,7 @@
         "deprecated": true
       }
     },
-    "/pet/{petId}": {
+    "/pets/{petId}": {
       "get": {
         "tags": [
           "pet"
@@ -275,6 +275,24 @@
             "schema": {
               "$ref": "#/definitions/Pet"
             }
+          },
+          "default": {
+            "description": "default response",
+            "schema": {
+              "required": [
+                "code",
+                "message"
+              ],
+              "properties": {
+                "code": {
+                  "type": "integer",
+                  "format": "int32"
+                },
+                "message": {
+                  "type": "string"
+                }
+              }
+            }
           }
         },
         "security": [
@@ -380,7 +398,7 @@
         ]
       }
     },
-    "/pet/{petId}/uploadImage": {
+    "/pets/{petId}/uploadImage": {
       "post": {
         "tags": [
           "pet"