Added the tests, code formatting changes, and the Range Request feature.

tests/test_requests.py

@@ -1,11 +1,13 @@
 from json import loads as json_loads, dumps as json_dumps
-from sanic import Sanic
-from sanic.response import json, text, redirect
-from sanic.utils import sanic_endpoint_test
-from sanic.exceptions import ServerError
 
 import pytest
 
+from sanic import Sanic
+from sanic.exceptions import ServerError
+from sanic.response import json, text, redirect
+from sanic.utils import sanic_endpoint_test
+
+
 # ------------------------------------------------------------ #
 #  GET
 # ------------------------------------------------------------ #
@@ -112,7 +114,8 @@ def test_query_string():
     async def handler(request):
         return text('OK')
 
-    request, response = sanic_endpoint_test(app, params=[("test1", "1"), ("test2", "false"), ("test2", "true")])
+    request, response = sanic_endpoint_test(
+        app, params=[("test1", "1"), ("test2", "false"), ("test2", "true")])
 
     assert request.args.get('test1') == '1'
     assert request.args.get('test2') == 'false'
@@ -150,7 +153,8 @@ def test_post_json():
     payload = {'test': 'OK'}
     headers = {'content-type': 'application/json'}
 
-    request, response = sanic_endpoint_test(app, data=json_dumps(payload), headers=headers)
+    request, response = sanic_endpoint_test(
+        app, data=json_dumps(payload), headers=headers)
 
     assert request.json.get('test') == 'OK'
     assert response.text == 'OK'

tests/test_static.py

@@ -60,3 +60,94 @@ def test_static_url_decode_file(static_file_directory):
     request, response = sanic_endpoint_test(app, uri='/dir/decode me.txt')
     assert response.status == 200
     assert response.body == decode_me_contents
+
+
+def test_static_head_request(static_file_path, static_file_content):
+    app = Sanic('test_static')
+    app.static('/testing.file', static_file_path, use_content_range=True)
+
+    request, response = sanic_endpoint_test(
+        app, uri='/testing.file', method='head')
+    assert response.status == 200
+    assert 'Accept-Ranges' in response.headers
+    assert 'Content-Length' in response.headers
+    assert int(response.headers['Content-Length']) == len(static_file_content)
+
+
+def test_static_content_range_correct(static_file_path, static_file_content):
+    app = Sanic('test_static')
+    app.static('/testing.file', static_file_path, use_content_range=True)
+
+    headers = {
+        'Range': 'bytes=12-19'
+    }
+    request, response = sanic_endpoint_test(
+        app, uri='/testing.file', headers=headers)
+    assert response.status == 200
+    assert 'Content-Length' in response.headers
+    assert 'Content-Range' in response.headers
+    static_content = bytes(static_file_content)[12:19]
+    assert int(response.headers['Content-Length']) == len(static_content)
+    assert response.body == static_content
+
+
+def test_static_content_range_front(static_file_path, static_file_content):
+    app = Sanic('test_static')
+    app.static('/testing.file', static_file_path, use_content_range=True)
+
+    headers = {
+        'Range': 'bytes=12-'
+    }
+    request, response = sanic_endpoint_test(
+        app, uri='/testing.file', headers=headers)
+    assert response.status == 200
+    assert 'Content-Length' in response.headers
+    assert 'Content-Range' in response.headers
+    static_content = bytes(static_file_content)[12:]
+    assert int(response.headers['Content-Length']) == len(static_content)
+    assert response.body == static_content
+
+
+def test_static_content_range_back(static_file_path, static_file_content):
+    app = Sanic('test_static')
+    app.static('/testing.file', static_file_path, use_content_range=True)
+
+    headers = {
+        'Range': 'bytes=-12'
+    }
+    request, response = sanic_endpoint_test(
+        app, uri='/testing.file', headers=headers)
+    assert response.status == 200
+    assert 'Content-Length' in response.headers
+    assert 'Content-Range' in response.headers
+    static_content = bytes(static_file_content)[-12:]
+    assert int(response.headers['Content-Length']) == len(static_content)
+    assert response.body == static_content
+
+
+def test_static_content_range_empty(static_file_path, static_file_content):
+    app = Sanic('test_static')
+    app.static('/testing.file', static_file_path, use_content_range=True)
+
+    request, response = sanic_endpoint_test(app, uri='/testing.file')
+    assert response.status == 200
+    assert 'Content-Length' in response.headers
+    assert 'Content-Range' not in response.headers
+    assert int(response.headers['Content-Length']) == len(static_file_content)
+    assert response.body == bytes(static_file_content)
+
+
+def test_static_content_range_error(static_file_path, static_file_content):
+    app = Sanic('test_static')
+    app.static('/testing.file', static_file_path, use_content_range=True)
+
+    headers = {
+        'Range': 'bytes=1-0'
+    }
+    request, response = sanic_endpoint_test(
+        app, uri='/testing.file', headers=headers)
+    assert response.status == 416
+    assert 'Content-Length' in response.headers
+    assert 'Content-Range' in response.headers
+    assert response.headers['Content-Range'] == "bytes */%s" % (
+        len(static_file_content),)