chore: use MultipartEncoder for multiple inputs test case

streaming_form_data/targets.py

@@ -75,7 +75,7 @@ def __init__(self, next_target: Callable):
 
         self._next_target = next_target
 
-        self._targets: List[BaseTarget] = []
+        self.targets: List[BaseTarget] = []
         self._validator = None  # next_target should have a validator
 
         self._next_multipart_filename: Optional[str] = None
@@ -91,14 +91,14 @@ def on_start(self):
             target.set_multipart_filename(self._next_multipart_content_type)
             self._next_multipart_content_type = None
 
-        self._targets.append(target)
+        self.targets.append(target)
         target.start()
 
     def on_data_received(self, chunk: bytes):
-        self._targets[-1].data_received(chunk)
+        self.targets[-1].data_received(chunk)
 
     def on_finish(self):
-        self._targets[-1].finish()
+        self.targets[-1].finish()
 
     def set_multipart_filename(self, filename: str):
         self._next_multipart_filename = filename

tests/test_parser.py

@@ -842,44 +842,36 @@ def test_extra_headers():
 
 
 def test_multiple_inputs(tmp_path):
-    data = b"""\
---111217161535371856203688828
-Content-Disposition: form-data; name="files"; filename="first.txt"
-Content-Type: text/plain
-
-first
---111217161535371856203688828
-Content-Disposition: form-data; name="files"; filename="second.txt"
-Content-Type: text/plain
-
-second
---111217161535371856203688828
-Content-Disposition: form-data; name="files"; filename="third.txt"
-Content-Type: text/plain
-
-third
---111217161535371856203688828--
-""".replace(b"\n", b"\r\n")
+    for filename in ("first.txt", "second.txt", "third.txt"):
+        with open(tmp_path / filename, "w") as file:
+            file.write(f"{filename}")
+
+    encoder = MultipartEncoder(
+        fields=[
+            ("files", ("files", open(tmp_path / "first.txt", "rb"), "text/plain")),
+            ("files", ("files", open(tmp_path / "second.txt", "rb"), "text/plain")),
+            ("files", ("files", open(tmp_path / "third.txt", "rb"), "text/plain")),
+        ]
+    )
 
     class next_target:
         def __init__(self):
             self._index = 0
 
         def __call__(self):
-            return FileTarget(tmp_path / f"{self._index}.txt")
+            return ValueTarget()
 
     target = MultipleTargets(next_target())
 
-    parser = StreamingFormDataParser(
-        headers={
-            "Content-Type": "multipart/form-data; boundary=111217161535371856203688828"
-        }
-    )
+    parser = StreamingFormDataParser(headers={"Content-Type": encoder.content_type})
     parser.register("files", target)
 
-    parser.data_received(data)
+    parser.data_received(encoder.to_string())
 
-    assert len(target._targets) == 3
+    assert len(target.targets) == 3
+    assert target.targets[0].value == b"first.txt"
+    assert target.targets[1].value == b"second.txt"
+    assert target.targets[2].value == b"third.txt"
 
 
 def test_case_insensitive_content_disposition_header():