Membership, choose_identity, pendulum, asynctest dependencies

• #88 (closed): Add membership command
• #251 (closed): Add pendulum dependency
• Introduce asynctest as dev dependency for Py < 3.8
• #140 (closed): Change argument name for better --help
• #140 (closed): Add choose_identity()
  • Ability to specify an uid or a pubkey to WoT commands (1/2)
  • Ability to choose an identity among multiple maches
• [test] tx.transaction_amount(): monkeypatch ud_value
• Update black to v20.8b1

Close #338 (closed), #251 (closed), #140 (closed), #88 (closed).

tests/test_tx.py

@@ -17,18 +17,21 @@ along with Silkaj. If not, see <https://www.gnu.org/licenses/>.
 
 import pytest
 from click.testing import CliRunner
+
 from silkaj.tx import transaction_amount
 from silkaj.money import UDValue
 from silkaj.cli import cli
 from silkaj.constants import MINIMAL_TX_AMOUNT, FAILURE_EXIT_STATUS
+import patched
 
 
 @pytest.mark.asyncio
-async def test_transaction_amount():
+async def test_transaction_amount(monkeypatch):
     """test passed amounts passed tx command
     float ≠ 100 does not give the exact value"""
 
-    udvalue = await UDValue().ud_value
+    monkeypatch.setattr(UDValue, "get_ud_value", patched.ud_value)
+    udvalue = patched.mock_ud_value
     trials = (
         # tests for --amount (unit)
         ([141.89], None, ["A"], [14189]),