[KMS-ETH]- Extend token lanuch/fetch test with newer api and a more narrative format.

tests/entities/test_nctoken.py

@@ -4,21 +4,37 @@ from pytest import raises
 from nkms_eth.token import NuCypherKMSToken
 
 
-def test_create_and_get_nucypherkms_token(testerchain):
+def test_launch_and_fetch_nucypherkms_token(testerchain):
+
+    # Trying to get token from blockchain before it's been published fails
     with raises(NoKnownAddress):
         NuCypherKMSToken.get(blockchain=testerchain)
 
+    # Create a token instance
     token = NuCypherKMSToken(blockchain=testerchain)
+
+    # Make sure we got the name right
+    contract_identifier = NuCypherKMSToken._NuCypherKMSToken__contract_name
+    assert'NuCypherKMSToken' == contract_identifier
+
+    # The big day...
+    with raises(NuCypherKMSToken.ContractDeploymentError):
+        token.deploy()
+
+    # Token must be armed before deploying to the blockchain
     token.arm()
     token.deploy()
 
+    # Ensure the contract is deployed and has a valid blockchain address
     assert len(token._contract.address) == 42
-    assert token._contract.call().totalSupply() != 0
-    # assert token.contract.call().totalSupply() == 10 ** 9 - 1
 
+    # Check that the token contract has tokens
+    assert token().totalSupply() != 0
+    # assert token().totalSupply() == 10 ** 9 - 1    # TODO
+
+    # Retrieve the token from the blockchain
     same_token = NuCypherKMSToken.get(blockchain=testerchain)
 
-    assert token._contract.address == same_token.contract.address
-    assert token == same_token
-
-
+    # Compare the contract address for equality
+    assert token._contract.address == same_token._contract.address
+    assert token == same_token  # __eq__

tests/test_populus_project.py

@@ -24,6 +24,6 @@ def test_nucypher_populus_project(testerchain):
     # ...and on the testerchain/blockchain class itself
     assert testerchain._project.project_dir == populus_project_dir
 
-    # Ensure that smart contacts are available, post solidity compile.
-    token_contract_identifier = NuCypherKMSToken.__contract_name
+    # Ensure that solidity smart contacts are available, post-compile.
+    token_contract_identifier = NuCypherKMSToken._NuCypherKMSToken__contract_name
     assert token_contract_identifier in testerchain._project.compiled_contract_data