[Tests] add appveyor

Author: ljharb

appveyor.yml

@@ -0,0 +1,44 @@
+version: 1.0.{build}
+skip_branch_with_pr: true
+build: off
+
+environment:
+  matrix:
+    - nodejs_version: "7"
+    - nodejs_version: "6"
+    - nodejs_version: "5"
+    - nodejs_version: "4"
+    - nodejs_version: "3"
+    - nodejs_version: "2"
+    - nodejs_version: "1"
+    - nodejs_version: "0.12"
+    - nodejs_version: "0.10"
+    - nodejs_version: "0.8"
+    - nodejs_version: "0.6"
+matrix:
+  # fast_finish: true
+  allow_failures:
+    - nodejs_version: "0.6"
+
+platform:
+  - x86
+  - x64
+
+# Install scripts. (runs after repo cloning)
+install:
+ # Get the latest stable version of Node.js or io.js
+ - ps: Install-Product node $env:nodejs_version $env:platform
+ - IF %nodejs_version% EQU 0.6 npm -g install npm@1.3
+ - IF %nodejs_version% EQU 0.8 npm -g install npm@2
+ - set PATH=%APPDATA%\npm;%PATH%
+ #- IF %nodejs_version% NEQ 0.6 AND %nodejs_version% NEQ 0.8 npm -g install npm
+ # install modules
+ - npm install
+
+# Post-install test scripts.
+test_script:
+ # Output useful info for debugging.
+ - node --version
+ - npm --version
+ # run tests
+ - npm run tests-only