Added exception tests and updated project description

tests/helpers.py

@@ -29,7 +29,7 @@ def sanic_endpoint_test(app, method='get', uri='/', gather_request=True, *reques
 			exceptions.append(e)
 		app.stop()
 
-	app.run(host='0.0.0.0', port=42101, debug=True, after_start=_collect_response)
+	app.run(host=HOST, port=42101, after_start=_collect_response)
 
 	if exceptions:
 		raise ValueError("Exception during request: {}".format(exceptions))
@@ -39,7 +39,7 @@ def sanic_endpoint_test(app, method='get', uri='/', gather_request=True, *reques
 			request, response = results
 			return request, response
 		except:
-			raise ValueError("request and response object expected, got ({})".format(results[0].text))
+			raise ValueError("request and response object expected, got ({})".format(results))
 	else:
 		try:
 			return results[0]

tests/test_exceptions.py

@@ -0,0 +1,72 @@
+from json import loads as json_loads, dumps as json_dumps
+from sanic import Sanic
+from sanic.response import json, text
+from sanic.exceptions import InvalidUsage, ServerError, NotFound
+from helpers import sanic_endpoint_test
+
+# ------------------------------------------------------------ #
+#  GET
+# ------------------------------------------------------------ #
+
+def test_exception_response():
+	app = Sanic('test_text')
+
+	@app.route('/')
+	def handler(request):
+		return text('OK')
+
+	@app.route('/error')
+	def handler_error(request):
+		raise ServerError("OK")
+
+	@app.route('/404')
+	def handler_404(request):
+		raise NotFound("OK")
+
+	@app.route('/invalid')
+	def handler_invalid(request):
+		raise InvalidUsage("OK")
+
+	request, response = sanic_endpoint_test(app)
+	assert response.status == 200
+	assert response.text == 'OK'
+
+	request, response = sanic_endpoint_test(app, uri='/error')
+	assert response.status == 500
+
+	request, response = sanic_endpoint_test(app, uri='/invalid')
+	assert response.status == 400
+
+	request, response = sanic_endpoint_test(app, uri='/404')
+	assert response.status == 404
+
+def test_exception_handler():
+	app = Sanic('test_text')
+
+	@app.route('/1')
+	def handler_1(request):
+		raise InvalidUsage("OK")
+	@app.route('/2')
+	def handler_2(request):
+		raise ServerError("OK")
+	@app.route('/3')
+	def handler_3(request):
+		raise NotFound("OK")
+
+	@app.exception(NotFound, ServerError)
+	def handler_exception(request, exception):
+		return text("OK")
+
+	request, response = sanic_endpoint_test(app, uri='/1')
+	assert response.status == 400
+
+	request, response = sanic_endpoint_test(app, uri='/2')
+	assert response.status == 200
+	assert response.text == 'OK'
+
+	request, response = sanic_endpoint_test(app, uri='/3')
+	assert response.status == 200
+
+	request, response = sanic_endpoint_test(app, uri='/random')
+	assert response.status == 200
+	assert response.text == 'OK'