Added a proper unit test

setup.py

@@ -30,6 +30,6 @@ def get_long_description():
         "python-multipart",
         "sqlite-utils",
     ],
-    extras_require={"test": ["pytest", "pytest-asyncio", "asgiref==3.1.2", "requests"]},
+    extras_require={"test": ["pytest", "pytest-asyncio", "asgiref==3.1.2", "httpx"]},
     package_data={"datasette_upload_csvs": ["templates/*.html"]},
 )

tests/test_datasette_upload_csvs.py

@@ -1,2 +1,29 @@
-def test_blah():
-    assert True
+from datasette.app import Datasette
+import pytest
+import httpx
+import sqlite_utils
+
+
+@pytest.mark.asyncio
+async def test_upload(tmpdir):
+    path = str(tmpdir / "data.db")
+    db = sqlite_utils.Database(path)
+
+    db["hello"].insert({"hello": "world"})
+
+    datasette = Datasette([path])
+
+    # First test the upload page exists
+    async with httpx.AsyncClient(app=datasette.app()) as client:
+        response = await client.get("http://localhost/-/upload-csv")
+        assert 200 == response.status_code
+        assert b'<form action="/-/upload-csv" method="post"' in response.content
+
+        # Now try uploading a file
+        files = {"csv": ("dogs.csv", "name,age\nCleo,5\nPancakes,4", "text/csv")}
+        response = await client.post("http://localhost/-/upload-csv", files=files)
+        assert b"<h1>Upload complete</h1>" in response.content
+        assert b"Imported 2 rows into" in response.content
+
+    dogs = list(db["dogs"].rows)
+    assert [{"name": "Cleo", "age": "5"}, {"name": "Pancakes", "age": "4"}] == dogs