Add test_deposit_parameters_record.py

Author: hwwhww

tests/beacon/conftest.py

@@ -131,6 +131,19 @@ def sample_crosslink_record_params():
         'shard_block_hash': b'\x43' * 32,
     }
 
+@pytest.fixture
+def sample_deposit_parameters_records_params():
+    return {
+         # BLS pubkey
+        'pubkey': 123,
+        # BLS proof of possession (a BLS signature)
+        'proof_of_possession': (0, 0),
+        # Withdrawal credentials
+        'withdrawal_credentials': b'\11' * 32,
+        # Initial RANDAO commitment
+        'randao_commitment': b'\11' * 32,
+    }
+
 
 @pytest.fixture
 def sample_fork_data_params():

tests/beacon/types/test_deposit_parameters_record.py

@@ -0,0 +1,9 @@
+from eth.beacon.types.deposit_parameters_records import (
+    DepositParametersRecord,
+)
+
+
+def test_defaults(sample_deposit_parameters_records_params):
+    deposit_parameters_record = DepositParametersRecord(**sample_deposit_parameters_records_params)
+
+    assert deposit_parameters_record.pubkey == sample_deposit_parameters_records_params['pubkey']