use url_for for url building for static files

docs/sanic/blueprints.md

@@ -93,7 +93,14 @@ def ignore_404s(request, exception):
 Static files can be served globally, under the blueprint prefix.
 
 ```python
-bp.static('/folder/to/serve', '/web/path')
+
+# suppose bp.name == 'bp'
+
+bp.static('/web/path', '/folder/to/serve')
+# also you can pass name parameter to it for url_for
+bp.static('/web/path', '/folder/to/server', name='uploads')
+app.url_for('static', name='bp.uploads', filename='file.txt') == '/bp/web/path/file.txt'
+
 ```
 
 ## Start and stop

docs/sanic/routing.md

@@ -301,3 +301,34 @@ def handler(request):
 # app.url_for('handler') == '/get'
 # app.url_for('post_handler') == '/post'
 ```
+
+## Build URL for static files
+
+You can use `url_for` for static file url building now.
+If it's for file directly, `filename` can be ignored.
+
+```python
+
+app = Sanic('test_static')
+app.static('/static', './static')
+app.static('/uploads', './uploads', name='uploads')
+app.static('/the_best.png', '/home/ubuntu/test.png', name='best_png')
+
+bp = Blueprint('bp', url_prefix='bp')
+bp.static('/static', './static')
+bp.static('/uploads', './uploads', name='uploads')
+bp.static('/the_best.png', '/home/ubuntu/test.png', name='best_png')
+app.blueprint(bp)
+
+# then build the url
+app.url_for('static', filename='file.txt') == '/static/file.txt'
+app.url_for('static', name='static', filename='file.txt') == '/static/file.txt'
+app.url_for('static', name='uploads', filename='file.txt') == 'uploads/file.txt'
+app.url_for('static', name='best_png') == '/the_best.png'
+
+# blueprint url building
+app.url_for('static', name='bp.static', filename='file.txt') == '/bp/static/file.txt'
+app.url_for('static', name='bp.uploads', filename='file.txt') == '/bp/uploads/file.txt'
+app.url_for('static', name='bp.best_png') == '/bp/static/the_best.png'
+
+```

docs/sanic/static_files.md

@@ -6,16 +6,40 @@ filename. The file specified will then be accessible via the given endpoint.
 
 ```python
 from sanic import Sanic
+from sanic.blueprints import Blueprint
+
 app = Sanic(__name__)
 
 # Serves files from the static folder to the URL /static
 app.static('/static', './static')
+# use url_for to build the url, name defaults to 'static' and can be ignored
+app.url_for('static', filename='file.txt') == '/static/file.txt'
+app.url_for('static', name='static', filename='file.txt') == '/static/file.txt'
 
 # Serves the file /home/ubuntu/test.png when the URL /the_best.png
 # is requested
-app.static('/the_best.png', '/home/ubuntu/test.png')
+app.static('/the_best.png', '/home/ubuntu/test.png', name='best_png')
+
+# you can use url_for to build the static file url
+# you can ignore name and filename parameters if you don't define it
+app.url_for('static', name='best_png') == '/the_best.png'
+app.url_for('static', name='best_png', filename='any') == '/the_best.png'
+
+# you need define the name for other static files
+app.static('/another.png', '/home/ubuntu/another.png', name='another')
+app.url_for('static', name='another') == '/another.png'
+app.url_for('static', name='another', filename='any') == '/another.png'
+
+# also, you can use static for blueprint
+bp = Blueprint('bp', url_prefix='/bp')
+bp.static('/static', './static')
+
+# servers the file directly
+bp.static('/the_best.png', '/home/ubuntu/test.png', name='best_png')
+app.blueprint(bp)
+
+app.url_for('static', name='bp.static', filename='file.txt') == '/bp/static/file.txt'
+app.url_for('static', name='bp.best_png') == '/bp/test_best.png'
 
 app.run(host="0.0.0.0", port=8000)
 ```
-
-Note: currently you cannot build a URL for a static file using `url_for`. 

sanic/app.py

@@ -354,13 +354,13 @@ class Sanic:
     # Static Files
     def static(self, uri, file_or_directory, pattern=r'/?.+',
                use_modified_since=True, use_content_range=False,
-               stream_large_files=False):
+               stream_large_files=False, name='static'):
         """Register a root to serve files from. The input can either be a
         file or a directory. See
         """
         static_register(self, uri, file_or_directory, pattern,
                         use_modified_since, use_content_range,
-                        stream_large_files)
+                        stream_large_files, name)
 
     def blueprint(self, blueprint, **options):
         """Register a blueprint on the application.
@@ -410,12 +410,32 @@ class Sanic:
             URLBuildError
         """
         # find the route by the supplied view name
-        uri, route = self.router.find_route_by_view_name(view_name)
+        kw = {}
+        # special static files url_for
+        if view_name == 'static':
+            kw.update(name=kwargs.pop('name', 'static'))
+        elif view_name.endswith('.static'):  # blueprint.static
+            kwargs.pop('name', None)
+            kw.update(name=view_name)
 
-        if not uri or not route:
+        uri, route = self.router.find_route_by_view_name(view_name, **kw)
+        if not (uri and route):
             raise URLBuildError('Endpoint with name `{}` was not found'.format(
                                 view_name))
 
+        if view_name == 'static' or view_name.endswith('.static'):
+            filename = kwargs.pop('filename', None)
+            # it's static folder
+            if '<file_uri:' in uri:
+                folder_ = uri.split('<file_uri:', 1)[0]
+                if folder_.endswith('/'):
+                    folder_ = folder_[:-1]
+
+                if filename.startswith('/'):
+                    filename = filename[1:]
+
+                uri = '{}/{}'.format(folder_, filename)
+
         if uri != '/' and uri.endswith('/'):
             uri = uri[:-1]
 
@@ -438,6 +458,13 @@ class Sanic:
         if netloc is None and external:
             netloc = self.config.get('SERVER_NAME', '')
 
+        if external:
+            if not scheme:
+                scheme = netloc[:8].split(':', 1)[0]
+
+            if '://' in netloc[:8]:
+                netloc = netloc.split('://', 1)[-1]
+
         for match in matched_params:
             name, _type, pattern = self.router.parse_parameter_string(
                 match)

sanic/blueprints.py

@@ -218,6 +218,11 @@ class Blueprint:
         :param uri: endpoint at which the route will be accessible.
         :param file_or_directory: Static asset.
         """
+        name = kwargs.pop('name', 'static')
+        if not name.startswith(self.name + '.'):
+            name = '{}.{}'.format(self.name, name)
+
+        kwargs.update(name=name)
         static = FutureStatic(uri, file_or_directory, args, kwargs)
         self.statics.append(static)
 

sanic/router.py

@@ -68,6 +68,7 @@ class Router:
     def __init__(self):
         self.routes_all = {}
         self.routes_names = {}
+        self.routes_static_files = {}
         self.routes_static = {}
         self.routes_dynamic = defaultdict(list)
         self.routes_always_check = []
@@ -148,6 +149,7 @@ class Router:
             provided, any method is allowed
         :param handler: request handler function.
             When executed, it should provide a response object.
+        :param name: user defined route name for url_for
         :return: Nothing
         """
         if host is not None:
@@ -231,6 +233,12 @@ class Router:
 
         # prefix the handler name with the blueprint name
         # if available
+        # special prefix for static files
+        is_static = False
+        if name and name.startswith('_static_'):
+            is_static = True
+            name = name.split('_static_', 1)[-1]
+
         if hasattr(handler, '__blueprintname__'):
             handler_name = '{}.{}'.format(
                 handler.__blueprintname__, name or handler.__name__)
@@ -245,9 +253,15 @@ class Router:
                 parameters=parameters, name=handler_name, uri=uri)
 
         self.routes_all[uri] = route
-        pairs = self.routes_names.get(handler_name)
+        if is_static:
-        if not (pairs and (pairs[0] + '/' == uri or uri + '/' == pairs[0])):
+            pair = self.routes_static_files.get(handler_name)
-            self.routes_names[handler_name] = (uri, route)
+            if not (pair and (pair[0] + '/' == uri or uri + '/' == pair[0])):
+                self.routes_static_files[handler_name] = (uri, route)
+
+        else:
+            pair = self.routes_names.get(handler_name)
+            if not (pair and (pair[0] + '/' == uri or uri + '/' == pair[0])):
+                self.routes_names[handler_name] = (uri, route)
 
         if properties['unhashable']:
             self.routes_always_check.append(route)
@@ -274,6 +288,11 @@ class Router:
                     self.routes_names.pop(handler_name)
                     break
 
+            for handler_name, pairs in self.routes_static_files.items():
+                if pairs[0] == uri:
+                    self.routes_static_files.pop(handler_name)
+                    break
+
         except KeyError:
             raise RouteDoesNotExist("Route was not registered: {}".format(uri))
 
@@ -289,15 +308,19 @@ class Router:
             self._get.cache_clear()
 
     @lru_cache(maxsize=ROUTER_CACHE_SIZE)
-    def find_route_by_view_name(self, view_name):
+    def find_route_by_view_name(self, view_name, name=None):
         """Find a route in the router based on the specified view name.
 
         :param view_name: string of view name to search by
+        :param kwargs: additional params, usually for static files
         :return: tuple containing (uri, Route)
         """
         if not view_name:
             return (None, None)
 
+        if view_name == 'static' or view_name.endswith('.static'):
+            return self.routes_static_files.get(name, (None, None))
+
         return self.routes_names.get(view_name, (None, None))
 
     def get(self, request):

sanic/static.py

@@ -18,7 +18,7 @@ from sanic.response import file, file_stream, HTTPResponse
 
 def register(app, uri, file_or_directory, pattern,
              use_modified_since, use_content_range,
-             stream_large_files):
+             stream_large_files, name='static'):
     # TODO: Though sanic is not a file server, I feel like we should at least
     #       make a good effort here.  Modified-since is nice, but we could
     #       also look into etags, expires, and caching
@@ -39,6 +39,7 @@ def register(app, uri, file_or_directory, pattern,
                               than the file() handler to send the file
                               If this is an integer, this represents the
                               threshold size to switch to file_stream()
+    :param name: user defined name used for url_for
     """
     # If we're not trying to match a file directly,
     # serve from the folder
@@ -117,4 +118,8 @@ def register(app, uri, file_or_directory, pattern,
                                path=file_or_directory,
                                relative_url=file_uri)
 
-    app.route(uri, methods=['GET', 'HEAD'])(_handler)
+    # special prefix for static files
+    if not name.startswith('_static_'):
+        name = '_static_{}'.format(name)
+
+    app.route(uri, methods=['GET', 'HEAD'], name=name)(_handler)

tests/static/bp/decode me.txt

@@ -0,0 +1 @@
+I am just a regular static file that needs to have its uri decoded

tests/static/bp/test.file

@@ -0,0 +1 @@
+I am just a regular static file

tests/test_url_building.py

@@ -17,6 +17,9 @@ URL_FOR_VALUE2 = '/myurl?arg1=v1&arg1=v2#anchor'
 URL_FOR_ARGS3 = dict(arg1='v1', _anchor='anchor', _scheme='http',
                      _server='localhost:{}'.format(test_port), _external=True)
 URL_FOR_VALUE3 = 'http://localhost:{}/myurl?arg1=v1#anchor'.format(test_port)
+URL_FOR_ARGS4 = dict(arg1='v1', _anchor='anchor', _external=True,
+                     _server='http://localhost:{}'.format(test_port),)
+URL_FOR_VALUE4 = 'http://localhost:{}/myurl?arg1=v1#anchor'.format(test_port)
 
 
 def _generate_handlers_from_names(app, l):
@@ -49,7 +52,8 @@ def test_simple_url_for_getting(simple_app):
 @pytest.mark.parametrize('args,url',
                          [(URL_FOR_ARGS1, URL_FOR_VALUE1),
                           (URL_FOR_ARGS2, URL_FOR_VALUE2),
-                          (URL_FOR_ARGS3, URL_FOR_VALUE3)])
+                          (URL_FOR_ARGS3, URL_FOR_VALUE3),
+                          (URL_FOR_ARGS4, URL_FOR_VALUE4)])
 def test_simple_url_for_getting_with_more_params(args, url):
     app = Sanic('more_url_build')
 

tests/test_url_for_static.py

@@ -0,0 +1,446 @@
+import inspect
+import os
+
+import pytest
+
+from sanic import Sanic
+from sanic.blueprints import Blueprint
+
+
+@pytest.fixture(scope='module')
+def static_file_directory():
+    """The static directory to serve"""
+    current_file = inspect.getfile(inspect.currentframe())
+    current_directory = os.path.dirname(os.path.abspath(current_file))
+    static_directory = os.path.join(current_directory, 'static')
+    return static_directory
+
+
+def get_file_path(static_file_directory, file_name):
+    return os.path.join(static_file_directory, file_name)
+
+
+def get_file_content(static_file_directory, file_name):
+    """The content of the static file to check"""
+    with open(get_file_path(static_file_directory, file_name), 'rb') as file:
+        return file.read()
+
+
+@pytest.mark.parametrize('file_name', ['test.file', 'decode me.txt', 'python.png'])
+def test_static_file(static_file_directory, file_name):
+    app = Sanic('test_static')
+    app.static(
+        '/testing.file', get_file_path(static_file_directory, file_name))
+    app.static(
+        '/testing2.file', get_file_path(static_file_directory, file_name),
+        name='testing_file')
+
+    uri = app.url_for('static')
+    uri2 = app.url_for('static', filename='any')
+    uri3 = app.url_for('static', name='static', filename='any')
+
+    assert uri == '/testing.file'
+    assert uri == uri2
+    assert uri2 == uri3
+
+    request, response = app.test_client.get(uri)
+    assert response.status == 200
+    assert response.body == get_file_content(static_file_directory, file_name)
+
+    bp = Blueprint('test_bp_static', url_prefix='/bp')
+
+    bp.static('/testing.file', get_file_path(static_file_directory, file_name))
+    bp.static('/testing2.file',
+              get_file_path(static_file_directory, file_name),
+              name='testing_file')
+
+    app.blueprint(bp)
+
+    uri = app.url_for('static', name='test_bp_static.static')
+    uri2 = app.url_for('static', name='test_bp_static.static', filename='any')
+    uri3 = app.url_for('test_bp_static.static')
+    uri4 = app.url_for('test_bp_static.static', name='any')
+    uri5 = app.url_for('test_bp_static.static', filename='any')
+    uri6 = app.url_for('test_bp_static.static', name='any', filename='any')
+
+    assert uri == '/bp/testing.file'
+    assert uri == uri2
+    assert uri2 == uri3
+    assert uri3 == uri4
+    assert uri4 == uri5
+    assert uri5 == uri6
+
+    request, response = app.test_client.get(uri)
+    assert response.status == 200
+    assert response.body == get_file_content(static_file_directory, file_name)
+
+    # test for other parameters
+    uri = app.url_for('static', _external=True, _server='http://localhost')
+    assert uri == 'http://localhost/testing.file'
+
+    uri = app.url_for('static', name='test_bp_static.static',
+                      _external=True, _server='http://localhost')
+    assert uri == 'http://localhost/bp/testing.file'
+
+    # test for defined name
+    uri = app.url_for('static', name='testing_file')
+    assert uri == '/testing2.file'
+
+    request, response = app.test_client.get(uri)
+    assert response.status == 200
+    assert response.body == get_file_content(static_file_directory, file_name)
+
+    uri = app.url_for('static', name='test_bp_static.testing_file')
+    assert uri == '/bp/testing2.file'
+    assert uri == app.url_for('static', name='test_bp_static.testing_file',
+                              filename='any')
+
+    request, response = app.test_client.get(uri)
+    assert response.status == 200
+    assert response.body == get_file_content(static_file_directory, file_name)
+
+
+@pytest.mark.parametrize('file_name', ['test.file', 'decode me.txt'])
+@pytest.mark.parametrize('base_uri', ['/static', '', '/dir'])
+def test_static_directory(file_name, base_uri, static_file_directory):
+
+    app = Sanic('test_static')
+    app.static(base_uri, static_file_directory)
+    base_uri2 = base_uri + '/2'
+    app.static(base_uri2, static_file_directory, name='uploads')
+
+    uri = app.url_for('static', name='static', filename=file_name)
+    assert uri == '{}/{}'.format(base_uri, file_name)
+
+    request, response = app.test_client.get(uri)
+    assert response.status == 200
+    assert response.body == get_file_content(static_file_directory, file_name)
+
+    uri2 = app.url_for('static', name='static', filename='/' + file_name)
+    uri3 = app.url_for('static', filename=file_name)
+    uri4 = app.url_for('static', filename='/' + file_name)
+    uri5 = app.url_for('static', name='uploads', filename=file_name)
+    uri6 = app.url_for('static', name='uploads', filename='/' + file_name)
+
+    assert uri == uri2
+    assert uri2 == uri3
+    assert uri3 == uri4
+
+    assert uri5 == '{}/{}'.format(base_uri2, file_name)
+    assert uri5 == uri6
+
+    bp = Blueprint('test_bp_static', url_prefix='/bp')
+
+    bp.static(base_uri, static_file_directory)
+    bp.static(base_uri2, static_file_directory, name='uploads')
+    app.blueprint(bp)
+
+    uri = app.url_for('static', name='test_bp_static.static',
+                      filename=file_name)
+    uri2 = app.url_for('static', name='test_bp_static.static',
+                       filename='/' + file_name)
+
+    uri4 = app.url_for('static', name='test_bp_static.uploads',
+                       filename=file_name)
+    uri5 = app.url_for('static', name='test_bp_static.uploads',
+                       filename='/' + file_name)
+
+    assert uri == '/bp{}/{}'.format(base_uri, file_name)
+    assert uri == uri2
+
+    assert uri4 == '/bp{}/{}'.format(base_uri2, file_name)
+    assert uri4 == uri5
+
+    request, response = app.test_client.get(uri)
+    assert response.status == 200
+    assert response.body == get_file_content(static_file_directory, file_name)
+
+
+
+@pytest.mark.parametrize('file_name', ['test.file', 'decode me.txt'])
+def test_static_head_request(file_name, static_file_directory):
+    app = Sanic('test_static')
+    app.static(
+        '/testing.file', get_file_path(static_file_directory, file_name),
+        use_content_range=True)
+
+    bp = Blueprint('test_bp_static', url_prefix='/bp')
+    bp.static('/testing.file', get_file_path(static_file_directory, file_name),
+              use_content_range=True)
+    app.blueprint(bp)
+
+    uri = app.url_for('static')
+    assert uri == '/testing.file'
+    assert uri == app.url_for('static', name='static')
+    assert uri == app.url_for('static', name='static', filename='any')
+
+    request, response = app.test_client.head(uri)
+    assert response.status == 200
+    assert 'Accept-Ranges' in response.headers
+    assert 'Content-Length' in response.headers
+    assert int(response.headers[
+               'Content-Length']) == len(
+                   get_file_content(static_file_directory, file_name))
+
+    # blueprint
+    uri = app.url_for('static', name='test_bp_static.static')
+    assert uri == '/bp/testing.file'
+    assert uri == app.url_for('static', name='test_bp_static.static',
+                              filename='any')
+
+    request, response = app.test_client.head(uri)
+    assert response.status == 200
+    assert 'Accept-Ranges' in response.headers
+    assert 'Content-Length' in response.headers
+    assert int(response.headers[
+               'Content-Length']) == len(
+                   get_file_content(static_file_directory, file_name))
+
+
+@pytest.mark.parametrize('file_name', ['test.file', 'decode me.txt'])
+def test_static_content_range_correct(file_name, static_file_directory):
+    app = Sanic('test_static')
+    app.static(
+        '/testing.file', get_file_path(static_file_directory, file_name),
+        use_content_range=True)
+
+    bp = Blueprint('test_bp_static', url_prefix='/bp')
+    bp.static('/testing.file', get_file_path(static_file_directory, file_name),
+              use_content_range=True)
+    app.blueprint(bp)
+
+    headers = {
+        'Range': 'bytes=12-19'
+    }
+    uri = app.url_for('static')
+    assert uri == '/testing.file'
+    assert uri == app.url_for('static', name='static')
+    assert uri == app.url_for('static', name='static', filename='any')
+
+    request, response = app.test_client.get(uri, headers=headers)
+    assert response.status == 200
+    assert 'Content-Length' in response.headers
+    assert 'Content-Range' in response.headers
+    static_content = bytes(get_file_content(
+        static_file_directory, file_name))[12:19]
+    assert int(response.headers[
+               'Content-Length']) == len(static_content)
+    assert response.body == static_content
+
+    # blueprint
+    uri = app.url_for('static', name='test_bp_static.static')
+    assert uri == '/bp/testing.file'
+    assert uri == app.url_for('static', name='test_bp_static.static',
+                              filename='any')
+    assert uri == app.url_for('test_bp_static.static')
+    assert uri == app.url_for('test_bp_static.static', name='any')
+    assert uri == app.url_for('test_bp_static.static', filename='any')
+    assert uri == app.url_for('test_bp_static.static', name='any',
+                              filename='any')
+
+    request, response = app.test_client.get(uri, headers=headers)
+    assert response.status == 200
+    assert 'Content-Length' in response.headers
+    assert 'Content-Range' in response.headers
+    static_content = bytes(get_file_content(
+        static_file_directory, file_name))[12:19]
+    assert int(response.headers[
+               'Content-Length']) == len(static_content)
+    assert response.body == static_content
+
+
+@pytest.mark.parametrize('file_name', ['test.file', 'decode me.txt'])
+def test_static_content_range_front(file_name, static_file_directory):
+    app = Sanic('test_static')
+    app.static(
+        '/testing.file', get_file_path(static_file_directory, file_name),
+        use_content_range=True)
+
+    bp = Blueprint('test_bp_static', url_prefix='/bp')
+    bp.static('/testing.file', get_file_path(static_file_directory, file_name),
+              use_content_range=True)
+    app.blueprint(bp)
+
+    headers = {
+        'Range': 'bytes=12-'
+    }
+    uri = app.url_for('static')
+    assert uri == '/testing.file'
+    assert uri == app.url_for('static', name='static')
+    assert uri == app.url_for('static', name='static', filename='any')
+
+    request, response = app.test_client.get(uri, headers=headers)
+    assert response.status == 200
+    assert 'Content-Length' in response.headers
+    assert 'Content-Range' in response.headers
+    static_content = bytes(get_file_content(
+        static_file_directory, file_name))[12:]
+    assert int(response.headers[
+               'Content-Length']) == len(static_content)
+    assert response.body == static_content
+
+    # blueprint
+    uri = app.url_for('static', name='test_bp_static.static')
+    assert uri == '/bp/testing.file'
+    assert uri == app.url_for('static', name='test_bp_static.static',
+                              filename='any')
+    assert uri == app.url_for('test_bp_static.static')
+    assert uri == app.url_for('test_bp_static.static', name='any')
+    assert uri == app.url_for('test_bp_static.static', filename='any')
+    assert uri == app.url_for('test_bp_static.static', name='any',
+                              filename='any')
+
+    request, response = app.test_client.get(uri, headers=headers)
+    assert response.status == 200
+    assert 'Content-Length' in response.headers
+    assert 'Content-Range' in response.headers
+    static_content = bytes(get_file_content(
+        static_file_directory, file_name))[12:]
+    assert int(response.headers[
+               'Content-Length']) == len(static_content)
+    assert response.body == static_content
+
+
+@pytest.mark.parametrize('file_name', ['test.file', 'decode me.txt'])
+def test_static_content_range_back(file_name, static_file_directory):
+    app = Sanic('test_static')
+    app.static(
+        '/testing.file', get_file_path(static_file_directory, file_name),
+        use_content_range=True)
+
+    bp = Blueprint('test_bp_static', url_prefix='/bp')
+    bp.static('/testing.file', get_file_path(static_file_directory, file_name),
+              use_content_range=True)
+    app.blueprint(bp)
+
+    headers = {
+        'Range': 'bytes=-12'
+    }
+    uri = app.url_for('static')
+    assert uri == '/testing.file'
+    assert uri == app.url_for('static', name='static')
+    assert uri == app.url_for('static', name='static', filename='any')
+
+    request, response = app.test_client.get(uri, headers=headers)
+    assert response.status == 200
+    assert 'Content-Length' in response.headers
+    assert 'Content-Range' in response.headers
+    static_content = bytes(get_file_content(
+        static_file_directory, file_name))[-12:]
+    assert int(response.headers[
+               'Content-Length']) == len(static_content)
+    assert response.body == static_content
+
+    # blueprint
+    uri = app.url_for('static', name='test_bp_static.static')
+    assert uri == '/bp/testing.file'
+    assert uri == app.url_for('static', name='test_bp_static.static',
+                              filename='any')
+    assert uri == app.url_for('test_bp_static.static')
+    assert uri == app.url_for('test_bp_static.static', name='any')
+    assert uri == app.url_for('test_bp_static.static', filename='any')
+    assert uri == app.url_for('test_bp_static.static', name='any',
+                              filename='any')
+
+    request, response = app.test_client.get(uri, headers=headers)
+    assert response.status == 200
+    assert 'Content-Length' in response.headers
+    assert 'Content-Range' in response.headers
+    static_content = bytes(get_file_content(
+        static_file_directory, file_name))[-12:]
+    assert int(response.headers[
+               'Content-Length']) == len(static_content)
+    assert response.body == static_content
+
+
+@pytest.mark.parametrize('file_name', ['test.file', 'decode me.txt'])
+def test_static_content_range_empty(file_name, static_file_directory):
+    app = Sanic('test_static')
+    app.static(
+        '/testing.file', get_file_path(static_file_directory, file_name),
+        use_content_range=True)
+
+    bp = Blueprint('test_bp_static', url_prefix='/bp')
+    bp.static('/testing.file', get_file_path(static_file_directory, file_name),
+              use_content_range=True)
+    app.blueprint(bp)
+
+    uri = app.url_for('static')
+    assert uri == '/testing.file'
+    assert uri == app.url_for('static', name='static')
+    assert uri == app.url_for('static', name='static', filename='any')
+
+    request, response = app.test_client.get(uri)
+    assert response.status == 200
+    assert 'Content-Length' in response.headers
+    assert 'Content-Range' not in response.headers
+    assert int(response.headers[
+               'Content-Length']) == len(get_file_content(static_file_directory, file_name))
+    assert response.body == bytes(
+        get_file_content(static_file_directory, file_name))
+
+    # blueprint
+    uri = app.url_for('static', name='test_bp_static.static')
+    assert uri == '/bp/testing.file'
+    assert uri == app.url_for('static', name='test_bp_static.static',
+                              filename='any')
+    assert uri == app.url_for('test_bp_static.static')
+    assert uri == app.url_for('test_bp_static.static', name='any')
+    assert uri == app.url_for('test_bp_static.static', filename='any')
+    assert uri == app.url_for('test_bp_static.static', name='any',
+                              filename='any')
+
+    request, response = app.test_client.get(uri)
+    assert response.status == 200
+    assert 'Content-Length' in response.headers
+    assert 'Content-Range' not in response.headers
+    assert int(response.headers[
+               'Content-Length']) == len(get_file_content(static_file_directory, file_name))
+    assert response.body == bytes(
+        get_file_content(static_file_directory, file_name))
+
+
+@pytest.mark.parametrize('file_name', ['test.file', 'decode me.txt'])
+def test_static_content_range_error(file_name, static_file_directory):
+    app = Sanic('test_static')
+    app.static(
+        '/testing.file', get_file_path(static_file_directory, file_name),
+        use_content_range=True)
+
+    bp = Blueprint('test_bp_static', url_prefix='/bp')
+    bp.static('/testing.file', get_file_path(static_file_directory, file_name),
+              use_content_range=True)
+    app.blueprint(bp)
+
+    headers = {
+        'Range': 'bytes=1-0'
+    }
+    uri = app.url_for('static')
+    assert uri == '/testing.file'
+    assert uri == app.url_for('static', name='static')
+    assert uri == app.url_for('static', name='static', filename='any')
+
+    request, response = app.test_client.get(uri, 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(get_file_content(static_file_directory, file_name)),)
+
+    # blueprint
+    uri = app.url_for('static', name='test_bp_static.static')
+    assert uri == '/bp/testing.file'
+    assert uri == app.url_for('static', name='test_bp_static.static',
+                              filename='any')
+    assert uri == app.url_for('test_bp_static.static')
+    assert uri == app.url_for('test_bp_static.static', name='any')
+    assert uri == app.url_for('test_bp_static.static', filename='any')
+    assert uri == app.url_for('test_bp_static.static', name='any',
+                              filename='any')
+
+    request, response = app.test_client.get(uri, 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(get_file_content(static_file_directory, file_name)),)