Add Streamable tests

tests/site_downloaders/test_streamable.py

@@ -0,0 +1,26 @@
+#!/usr/bin/env python3
+# coding=utf-8
+
+from unittest.mock import MagicMock
+
+import pytest
+
+from bdfr.resource import Resource
+from bdfr.site_downloaders.streamable import Streamable
+
+
+@pytest.mark.online
+@pytest.mark.slow
+@pytest.mark.parametrize(('test_url', 'expected_hash'), (
+    ('https://streamable.com/dt46y', '1e7f4928e55de6e3ca23d85cc9246bbb'),
+    ('https://streamable.com/t8sem', '49b2d1220c485455548f1edbc05d4ecf')
+))
+def test_find_resources(test_url: str, expected_hash: str):
+    test_submission = MagicMock()
+    test_submission.url = test_url
+    downloader = Streamable(test_submission)
+    resources = downloader.find_resources()
+    assert len(resources) == 1
+    assert isinstance(resources[0], Resource)
+    resources[0].download(120)
+    assert resources[0].hash.hexdigest() == expected_hash