added test and rename encode

Author: hackaugusto

ethereum/abi.py

@@ -1,6 +1,7 @@
 # -*- coding: utf8 -*-
 import ast
 import re
+import warnings
 
 import yaml  # use yaml instead of json to get non unicode (works with ascii only data)
 from rlp.utils import decode_hex, encode_hex
@@ -171,7 +172,7 @@ def __init__(self, contract_interface):
             else:
                 raise ValueError('Unknown type {}'.format(description['type']))
 
-    def encode(self, function_name, args):
+    def encode_function_call(self, function_name, args):
         """ Return the encoded function call.
 
         Args:
@@ -195,6 +196,10 @@ def encode(self, function_name, args):
 
         return function_selector + arguments
 
+    def encode(self, function_name, args):
+        warnings.warn('encode is deprecated, please use encode_function_call', DeprecationWarning)
+        return self.encode_function_call(function_name, args)
+
     def encode_constructor_arguments(self, args):
         """ Return the encoded constructor call. """
         if self.constructor_data is None:

ethereum/tester.py

@@ -201,6 +201,7 @@ def abi_contract(self, sourcecode, sender=DEFAULT_KEY, endowment=0,  # pylint: d
                      language='serpent', log_listener=None, listen=True,
                      libraries=None, path=None, constructor_parameters=None,
                      **kwargs):
+        # pylint: disable=too-many-locals
 
         compiler = languages[language]
         contract_interface = compiler.mk_full_signature(sourcecode, path=path, **kwargs)

ethereum/tests/test_solidity.py

@@ -76,6 +76,31 @@ def test_interop():
     assert c2.main(c1.address) == 10
 
 
+CONSTRUCTOR_CONTRACT = '''
+contract testme {
+    uint value;
+    function testme(uint a) {
+        value = a;
+    }
+    function getValue() returns (uint) {
+        return value;
+    }
+}
+'''
+
+
+@pytest.mark.skipif(get_solidity() is None, reason="'solc' compiler not available")
+def test_constructor():
+    state = tester.state()
+
+    contract = state.abi_contract(
+        CONSTRUCTOR_CONTRACT,
+        language='solidity',
+        constructor_parameters=(2, ),
+    )
+    assert contract.getValue() == 2  # pylint: disable=no-member
+
+
 compile_rich_contract = """
 contract contract_add {
     function add7(uint a) returns(uint d) { return a + 7; }