Add capped interface, python interface and test for capped, expire

python/eth_writer/unittest/__init__.py

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+from .base import TestEthWriterInterface

python/eth_writer/unittest/base.py

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+# external imports
+from chainlib.eth.unittest.ethtester import EthTesterCase
+from chainlib.connection import RPCConnection
+from chainlib.eth.nonce import RPCNonceOracle
+from chainlib.eth.tx import receipt
+
+# local imports
+from eth_writer import EthWriter
+
+
+class TestEthWriterInterface:
+
+    def test_add_delete(self):
+        writer_contract_address = self.contracts['writer']
+        publisher_address = self.roles.get('publisher')
+        writer_account = self.roles['writer']
+
+        nonce_oracle = RPCNonceOracle(self.publisher, conn=self.conn)
+        c = EthWriter(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
+
+        o = c.is_writer(writer_contract_address, publisher_address, sender_address=publisher_address)
+        r = self.rpc.do(o)
+        self.assertEqual(int(r, 16), 1)
+
+        self.alice = self.accounts[1]
+        (tx_hash, o) = c.add_writer(writer_contract_address, publisher_address, writer_account)
+        self.rpc.do(o)
+        o = receipt(tx_hash)
+        r = self.rpc.do(o)
+        self.assertEqual(r['status'], 1)
+
+        o = c.is_writer(writer_contract_address, writer_account, sender_address=publisher_address)
+        r = self.rpc.do(o)
+        self.assertEqual(int(r, 16), 1)
+
+        self.alice = self.accounts[1]
+        (tx_hash, o) = c.delete_writer(writer_contract_address, publisher_address, writer_account)
+        self.rpc.do(o)
+        o = receipt(tx_hash)
+        r = self.rpc.do(o)
+        self.assertEqual(r['status'], 1)
+
+        o = c.is_writer(writer_contract_address, self.alice, sender_address=publisher_address)
+        r = self.rpc.do(o)
+        self.assertEqual(int(r, 16), 0)