From 9b29bc6d6589bea9bb10d8518f8de9383cbe8824 Mon Sep 17 00:00:00 2001
From: drebs <drebs@riseup.net>
Date: Tue, 5 Sep 2017 20:38:41 -0300
Subject: [test] add blobs upload/download benchmark

---
 tests/benchmarks/test_blobs_upload_download.py | 161 +++++++++++++++++++++++++
 1 file changed, 161 insertions(+)
 create mode 100644 tests/benchmarks/test_blobs_upload_download.py

(limited to 'tests')

diff --git a/tests/benchmarks/test_blobs_upload_download.py b/tests/benchmarks/test_blobs_upload_download.py
new file mode 100644
index 00000000..5592247b
--- /dev/null
+++ b/tests/benchmarks/test_blobs_upload_download.py
@@ -0,0 +1,161 @@
+import base64
+import pytest
+import random
+import sys
+import uuid
+
+from io import BytesIO
+
+from twisted.internet.defer import gatherResults
+from twisted.internet.defer import returnValue
+from twisted.internet.defer import DeferredSemaphore
+
+from leap.soledad.common.blobs import Flags
+from leap.soledad.client._db.blobs import BlobDoc
+
+
+def payload(size):
+    random.seed(1337)  # same seed to avoid different bench results
+    payload_bytes = bytearray(random.getrandbits(8) for _ in xrange(size))
+    # encode as base64 to avoid ascii encode/decode errors
+    return base64.b64encode(payload_bytes)[:size]  # remove b64 overhead
+
+
+# used to limit the amount of concurrent accesses to the blob manager
+semaphore = DeferredSemaphore(2)
+
+
+def reclaim_free_space(client):
+    return client.blobmanager.local.dbpool.runQuery("VACUUM")
+
+
+#
+# Download tests
+#
+
+@pytest.inlineCallbacks
+def load_up_downloads(client, amount, data):
+    # delete blobs from server
+    ids = yield client.blobmanager.remote_list(namespace='payload')
+    deferreds = []
+    for blob_id in ids:
+        d = semaphore.run(
+            client.blobmanager.delete, blob_id, namespace='payload')
+        deferreds.append(d)
+    yield gatherResults(deferreds)
+
+    # deliver some incoming blobs
+    deferreds = []
+    for i in xrange(amount):
+        fd = BytesIO(data)
+        doc = BlobDoc(fd, blob_id=uuid.uuid4().hex)
+        size = sys.getsizeof(fd)
+        d = semaphore.run(
+            client.blobmanager.put, doc, size, namespace='payload')
+        deferreds.append(d)
+    yield gatherResults(deferreds)
+
+
+@pytest.inlineCallbacks
+def download_blobs(client, pending):
+    deferreds = []
+    for item in pending:
+        d = semaphore.run(
+            client.blobmanager.get, item, namespace='payload')
+        deferreds.append(d)
+    yield gatherResults(deferreds)
+
+
+def create_blobs_download(amount, size):
+    group = 'test_blobs_download_%d_%dk' % (amount, (size / 1000))
+
+    @pytest.inlineCallbacks
+    @pytest.mark.benchmark(group=group)
+    def test(soledad_client, txbenchmark_with_setup):
+        client = soledad_client()
+        blob_payload = payload(size)
+
+        yield load_up_downloads(client, amount, blob_payload)
+
+        @pytest.inlineCallbacks
+        def setup():
+            yield client.blobmanager.local.dbpool.runQuery(
+                "DELETE FROM blobs WHERE 1;")
+            yield reclaim_free_space(client)
+            returnValue(soledad_client(force_fresh_db=True))
+
+        @pytest.inlineCallbacks
+        def download(client):
+            pending = yield client.blobmanager.remote_list(
+                namespace='payload', filter_flag=Flags.PENDING)
+            yield download_blobs(client, pending)
+            yield client.sync()
+
+        yield txbenchmark_with_setup(setup, download)
+    return test
+
+
+# ATTENTION: update the documentation in ../docs/benchmarks.rst if you change
+# the number of docs or the doc sizes for the tests below.
+test_blobs_download_10_1000k = create_blobs_download(10, 1000 * 1000)
+test_blobs_download_100_100k = create_blobs_download(100, 100 * 1000)
+test_blobs_download_1000_10k = create_blobs_download(1000, 10 * 1000)
+
+
+#
+# Upload tests
+#
+
+@pytest.inlineCallbacks
+def load_up_uploads(client, amount, data):
+    # delete blobs from server
+    ids = yield client.blobmanager.remote_list(namespace='payload')
+    deferreds = []
+    for blob_id in ids:
+        d = semaphore.run(
+            client.blobmanager.delete, blob_id, namespace='payload')
+        deferreds.append(d)
+    yield gatherResults(deferreds)
+
+
+@pytest.inlineCallbacks
+def upload_blobs(client, amount, data):
+    deferreds = []
+    for i in xrange(amount):
+        fd = BytesIO(data)
+        doc = BlobDoc(fd, blob_id=uuid.uuid4().hex)
+        size = sys.getsizeof(fd)
+        d = semaphore.run(
+            client.blobmanager.put, doc, size, namespace='payload')
+        deferreds.append(d)
+    yield gatherResults(deferreds)
+
+
+def create_blobs_upload(amount, size):
+    group = 'test_blobs_upload_%d_%dk' % (amount, (size / 1000))
+
+    @pytest.inlineCallbacks
+    @pytest.mark.benchmark(group=group)
+    def test(soledad_client, txbenchmark_with_setup):
+        client = soledad_client()
+        blob_payload = payload(size)
+
+        @pytest.inlineCallbacks
+        def setup():
+            yield load_up_uploads(client, amount, blob_payload)
+            returnValue(soledad_client(force_fresh_db=True))
+
+        @pytest.inlineCallbacks
+        def upload(client):
+            yield upload_blobs(client, amount, blob_payload)
+            yield client.sync()
+
+        yield txbenchmark_with_setup(setup, upload)
+    return test
+
+
+# ATTENTION: update the documentation in ../docs/benchmarks.rst if you change
+# the number of docs or the doc sizes for the tests below.
+test_blobs_upload_10_1000k = create_blobs_upload(10, 1000 * 1000)
+test_blobs_upload_100_100k = create_blobs_upload(100, 100 * 1000)
+test_blobs_upload_1000_10k = create_blobs_upload(1000, 10 * 1000)
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