Custom specs_route example (#117)

* Remove hardcoded specs_route from conftest

* Custom specs_route example

examples/specs_route_example.py

@@ -0,0 +1,43 @@
+"""
+In this example a custom specs_route is set.
+"""
+from flask import Flask
+try:
+    from http import HTTPStatus
+except ImportError:
+    import httplib as HTTPStatus
+from flasgger import Swagger
+
+swagger_config = {
+    "headers": [
+    ],
+    "specs": [
+        {
+            "endpoint": 'specifications',
+            "route": '/specifications.json',
+            "rule_filter": lambda rule: True,  # all in
+            "model_filter": lambda tag: True,  # all in
+        }
+    ],
+    "static_url_path": "/flasgger_static",
+    # "static_folder": "static",  # must be set by user
+    "specs_route": "/documentation/swagger/"
+}
+
+app = Flask(__name__)
+swag = Swagger(app, config=swagger_config)
+
+
+def test_swag(client, specs_data):
+    """
+    This test is runs automatically in Travis CI
+
+    :param client: Flask app test client
+    :param specs_data: {'url': {swag_specs}} for every spec in app
+    """
+    assert client.get('/documentation/swagger/').status_code == HTTPStatus.OK
+    assert specs_data.get('/specifications.json') is not None
+
+
+if __name__ == '__main__':
+    app.run(debug=True)