improve coverage tests on the request client

FlaskTester.py

@@ -299,7 +299,7 @@ def check(self, method: str, path: str, status: int, content: str|None = None, *
         return res
 
 
-class RequestClient(Client):  # pragma: no cover
+class RequestClient(Client):
     """Request-based test provider."""
 
     def __init__(self, auth: Authenticator, base_url: str, default_login=None):
@@ -316,7 +316,7 @@ def _request(self, method: str, path: str, **kwargs):
             files: dict[str, Any] = {}
             for name, whatever in data.items():
                 # FIXME what types should be accepted?
-                if isinstance(whatever, io.BufferedReader):
+                if isinstance(whatever, io.IOBase):
                     files[name] = whatever
                 elif isinstance(whatever, tuple):
                     # reorder tuple to match requests expectations:

README.md

@@ -8,7 +8,7 @@ Only one set of tests is needed, switching from internal to external is
 achieved through environment variables.
 
 ![Status](https://github.com/zx80/flask-tester/actions/workflows/package.yml/badge.svg?branch=main&style=flat)
-![Tests](https://img.shields.io/badge/tests-7%20✓-success)
+![Tests](https://img.shields.io/badge/tests-8%20✓-success)
 ![Coverage](https://img.shields.io/badge/coverage-100%25-success)
 ![Issues](https://img.shields.io/github/issues/zx80/flask-tester?style=flat)
 ![Python](https://img.shields.io/badge/python-3-informational)
@@ -131,7 +131,6 @@ please report any [issues](https://github.com/zx80/flask-tester/issues).
 
 - API documentation generation
 - control logging level
-- improve actual coverage
 
 ## Versions
 

tests/test.py

@@ -4,6 +4,9 @@
 import FlaskTester as ft
 from FlaskTester import ft_client, ft_authenticator
 import app
+import http.server as htsv
+import threading
+import io
 import logging
 
 logging.basicConfig(level=logging.INFO)
@@ -180,3 +183,18 @@ def test_client():
         assert False, "must raise an error"  # pragma: no cover
     except NotImplementedError:
         assert True, "error raised"
+
+def test_request_client():
+    httpd = htsv.HTTPServer(("", 8888), htsv.SimpleHTTPRequestHandler)
+    thread = threading.Thread(target = lambda: httpd.serve_forever())
+    thread.start()
+    try:
+        client = ft.RequestClient(ft.Authenticator(), "http://localhost:8888")
+        client.get("/", status=200)
+        hello = io.BytesIO(b"hello world")
+        client.post("/", status=501, data={"hello": hello})
+        hello = io.BytesIO(b"hello world")
+        client.post("/", status=501, data={"hello": (hello, "hello.txt", "text/plain")})
+        client.post("/", status=501, data={"hello": "world!"})
+    finally:
+        httpd.shutdown()