[Perf] Small fixes to storage-blob (#17055)

- Removed unnecessary code in UploadTest (copied from DownloadTest)
- Renamed option in ListBlobsTest to match other languages

sdk/storage/azure-storage-blob/tests/perfstress_tests/_test_base.py

@@ -40,7 +40,7 @@ def add_arguments(parser):
         parser.add_argument('--max-put-size', nargs='?', type=int, help='Maximum size of data uploading in single HTTP PUT. Defaults to 64*1024*1024', default=64*1024*1024)
         parser.add_argument('--max-block-size', nargs='?', type=int, help='Maximum size of data in a block within a blob. Defaults to 4*1024*1024', default=4*1024*1024)
         parser.add_argument('--buffer-threshold', nargs='?', type=int, help='Minimum block size to prevent full block buffering. Defaults to 4*1024*1024+1', default=4*1024*1024+1)
-        parser.add_argument('-c', '--max-concurrency', nargs='?', type=int, help='Maximum number of concurrent threads used for data transfer. Defaults to 1', default=1)
+        parser.add_argument('--max-concurrency', nargs='?', type=int, help='Maximum number of concurrent threads used for data transfer. Defaults to 1', default=1)
         parser.add_argument('-s', '--size', nargs='?', type=int, help='Size of data to transfer.  Default is 10240.', default=10240)
         parser.add_argument('--no-client-share', action='store_true', help='Create one ServiceClient per test instance.  Default is to share a single ServiceClient.', default=False)
 

sdk/storage/azure-storage-blob/tests/perfstress_tests/list_blobs.py

@@ -12,7 +12,7 @@ class ListBlobsTest(_ContainerTest):
 
     async def global_setup(self):
         await super().global_setup()
-        pending = (asyncio.ensure_future(self.async_container_client.upload_blob("listtest" + str(i), data=b"")) for i in range(self.args.num_blobs))
+        pending = (asyncio.ensure_future(self.async_container_client.upload_blob("listtest" + str(i), data=b"")) for i in range(self.args.count))
         running = list(itertools.islice(pending, 16))
         while True:
             # Wait for some upload to finish before adding a new one
@@ -36,4 +36,4 @@ async def run_async(self):
     @staticmethod
     def add_arguments(parser):
         super(ListBlobsTest, ListBlobsTest).add_arguments(parser)
-        parser.add_argument('--num-blobs', nargs='?', type=int, help='Number of blobs to list. Defaults to 100', default=100)
+        parser.add_argument('-c', '--count', nargs='?', type=int, help='Number of blobs to list. Defaults to 100', default=100)

sdk/storage/azure-storage-blob/tests/perfstress_tests/upload.py

@@ -12,17 +12,9 @@
 class UploadTest(_BlobTest):
     def __init__(self, arguments):
         super().__init__(arguments)
-        blob_name = "downloadtest"
-        self.blob_client = self.container_client.get_blob_client(blob_name)
-        self.async_blob_client = self.async_container_client.get_blob_client(blob_name)
         self.upload_stream = RandomStream(self.args.size)
         self.upload_stream_async = AsyncRandomStream(self.args.size)
 
-    async def global_setup(self):
-        await super().global_setup()
-        data = get_random_bytes(self.args.size)
-        await self.async_blob_client.upload_blob(data)
-
     def run_sync(self):
         self.upload_stream.reset()
         self.blob_client.upload_blob(