Add testcases

.travis.yml

@@ -0,0 +1,7 @@
+sudo: false
+language: python
+python:
+  - "3.4"
+  - "3.5"
+install: pip install .
+script: py.test

README.rst

@@ -1,5 +1,7 @@
 **nvchecker** (short for *new version checker*) is for checking if a new version of some software has been released.
 
+[![Build Status](https://travis-ci.org/lilydjwg/nvchecker.svg)](https://travis-ci.org/lilydjwg/nvchecker)
+
 Dependency
 ==========
 - Python 3

setup.py

@@ -9,6 +9,9 @@ setup(
   version = nvchecker.__version__,
   packages = find_packages(),
   install_requires = ['tornado', 'setuptools'],
+  tests_require=[
+    'pytest',
+  ],
   entry_points = {
     'console_scripts': [
       'nvchecker = nvchecker.main:main',

tests/helper.py

@@ -0,0 +1,16 @@
+from nvchecker.get_version import get_version
+import tornado.testing
+
+
+class ExternalVersionTestCase(tornado.testing.AsyncTestCase):
+    def sync_get_version(self, name, config):
+        result = {}
+
+        def get_version_callback(name, version):
+            result["version"] = version
+            self.stop()
+
+        get_version(name, config, get_version_callback)
+        self.wait()
+
+        return result["version"]

tests/test_npm.py

@@ -0,0 +1,6 @@
+from tests.helper import ExternalVersionTestCase
+
+
+class NPMTest(ExternalVersionTestCase):
+    def test_npm(self):
+        self.assertEqual(self.sync_get_version("example", {"npm": None}), "0.0.0")