def Block_create_pass_all_items_expect_object_with_all_items_and_a_hash():
#Assign
expected_index = 1
expected_timestamp = datetime.datetime(1972, 4, 22, 0, 0, 0)
expected_previous_hash = 100
expected_kudo = kudo.Kudo("*****@*****.**", "*****@*****.**",
datetime.date(1972, 4, 22))
#Action
block_result = block.Block(expected_index, expected_timestamp,
expected_previous_hash, expected_kudo)
#Assert
test_first.are_equal(expected_index, block_result.index, "index")
test_first.are_equal(expected_timestamp, block_result.timestamp,
"timestamp")
test_first.are_equal(expected_previous_hash, block_result.previous_hash,
"previous hash")
test_first.are_equal(expected_kudo.recipient, block_result.kudo.recipient,
"kudo.recipient")
test_first.are_equal(expected_kudo.nominator, block_result.kudo.nominator,
"kudo.nominator")
test_first.are_equal(expected_kudo.date, block_result.kudo.date,
"kudo.date")
test_first.are_equal(True, block_result.hash is not None,
"hash has a value")
def add_block(self, recipient, nominator, date):
self.lock.acquire()
try:
index = len(self.blocks)
timestamp = datetime.datetime.utcnow()
previous_hash = self.blocks[index - 1].hash
kudo_rec = kudo.Kudo(recipient, nominator, date)
self.blocks.append(block.Block(index, timestamp, previous_hash, kudo_rec))
finally:
self.lock.release()
def Chain_get_list_add_3_blocks_expect_3_kudos():
#Assign
theChain = chain.Chain()
today = datetime.date.today()
expected_kudos = [
kudo.Kudo("recip1", "nom1", today),
kudo.Kudo("recip2", "nom2", today),
kudo.Kudo("recip3", "nom3", today)
]
for k in expected_kudos:
theChain.add_block(k.recipient, k.nominator, k.date)
#Action
result = theChain.get_list()
#Assert
test_first.are_equal(3, len(result), "has 3 kudos")
for i in range(0, len(result)):
test_first.are_equal(expected_kudos[i].__dict__, result[i].__dict__,
expected_kudos[i].recipient)
def KudoJSONEncoder_default_pass_Kudo_expect_well_formed_JSON_Kudo():
#Assign
kudo_rec = kudo.Kudo("recip1", "nom1", datetime.date(1972, 4, 22))
expected_json = '{"recipient": "recip1", "nominator": "nom1", "date": "1972-04-22"}'
encoder = kudo_jsonencoder.KudoJSONEncoder()
#Action
actual_json = encoder.encode(kudo_rec)
#Assert
test_first.are_equal(expected_json, actual_json)
def Kudo_create_pass_all_items_expect_Kudo_with_all_items():
#Assign
expected_recipient = "*****@*****.**"
expected_nominator = "*****@*****.**"
expected_date = datetime.date(1972, 4, 22)
#Action
actual = kudo.Kudo(expected_recipient, expected_nominator, expected_date)
#Assert
test_first.are_equal(expected_recipient, actual.recipient, "recipient")
test_first.are_equal(expected_nominator, actual.nominator, "nominator")
test_first.are_equal(expected_date, actual.date, "date")
def Block_hashing_pass_required_items_expect_repeatable_hash():
#Assign
index = 0
timestamp = datetime.datetime(1999, 12, 31, 0, 0, 0)
previous_hash = "101"
kudo_rec = kudo.Kudo("*****@*****.**", "*****@*****.**",
datetime.date(2010, 3, 5))
expected_hash = "22cd5125dd3ee3d56ed6a315b8c6e121804f3dea0fcf06fb2c1cf1c54bdf1102"
#Action
actual_hash = block.Block.hashing(index, timestamp, previous_hash,
kudo_rec)
#Assert
test_first.are_equal(expected_hash, actual_hash)
def Block_create_pass_negative_index_expect_IndexError_exception():
#Assign
index = -1
timestamp = datetime.datetime(2011, 6, 29)
previous_hash = "102"
kudo_rec = kudo.Kudo("*****@*****.**", "*****@*****.**",
datetime.date(1972, 4, 22))
#Action and Assert
try:
block.Block(index, timestamp, previous_hash, kudo_rec)
test_first.are_equal("exception", "no exception")
except IndexError:
test_first.are_equal("IndexError", "IndexError")
except:
test_first.are_equal("IndexError", "some other exception")
def get_genesis_block(timestamp, initial_hash, kudo_date):
return block.Block(0, timestamp, initial_hash, kudo.Kudo("", "", kudo_date))