X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/383b228a1690d9c15ce97bd2e01874596fbf1288..3aad6e385bfbd4348b2e13695cb6741806951160:/tests/test_blackd.py

diff --git a/tests/test_blackd.py b/tests/test_blackd.py
index 511bd86..5b6461f 100644
--- a/tests/test_blackd.py
+++ b/tests/test_blackd.py
@@ -177,6 +177,20 @@ class BlackDTestCase(AioHTTPTestCase):  # type: ignore[misc]
         )
         self.assertEqual(response.status, 400)
 
+    @unittest_run_loop
+    async def test_blackd_skip_first_source_line(self) -> None:
+        invalid_first_line = b"Header will be skipped\r\ni = [1,2,3]\nj = [1,2,3]\n"
+        expected_result = b"Header will be skipped\r\ni = [1, 2, 3]\nj = [1, 2, 3]\n"
+        response = await self.client.post("/", data=invalid_first_line)
+        self.assertEqual(response.status, 400)
+        response = await self.client.post(
+            "/",
+            data=invalid_first_line,
+            headers={blackd.SKIP_SOURCE_FIRST_LINE: "true"},
+        )
+        self.assertEqual(response.status, 200)
+        self.assertEqual(await response.read(), expected_result)
+
     @unittest_run_loop
     async def test_blackd_preview(self) -> None:
         response = await self.client.post(
@@ -209,3 +223,20 @@ class BlackDTestCase(AioHTTPTestCase):  # type: ignore[misc]
         response = await self.client.post("/", headers={"Origin": "*"})
         self.assertIsNotNone(response.headers.get("Access-Control-Allow-Origin"))
         self.assertIsNotNone(response.headers.get("Access-Control-Expose-Headers"))
+
+    @unittest_run_loop
+    async def test_preserves_line_endings(self) -> None:
+        for data in (b"c\r\nc\r\n", b"l\nl\n"):
+            # test preserved newlines when reformatted
+            response = await self.client.post("/", data=data + b" ")
+            self.assertEqual(await response.text(), data.decode())
+            # test 204 when no change
+            response = await self.client.post("/", data=data)
+            self.assertEqual(response.status, 204)
+
+    @unittest_run_loop
+    async def test_normalizes_line_endings(self) -> None:
+        for data, expected in ((b"c\r\nc\n", "c\r\nc\r\n"), (b"l\nl\r\n", "l\nl\n")):
+            response = await self.client.post("/", data=data)
+            self.assertEqual(await response.text(), expected)
+            self.assertEqual(response.status, 200)