def Chain_add_block_expect_index_of_well_formed_block():
#Assign
theChain = chain.Chain()
expected_index = 1
expected_recipient = "*****@*****.**"
expected_nominator = "*****@*****.**"
expected_date = datetime.date(1972, 4, 22)
#Action
theChain.add_block(expected_recipient, expected_nominator, expected_date)
#Assert
test_first.are_equal(expected_index, theChain.blocks[expected_index].index,
"block index")
test_first.are_equal(expected_recipient,
theChain.blocks[expected_index].kudo.recipient,
"recipient")
test_first.are_equal(expected_nominator,
theChain.blocks[expected_index].kudo.nominator,
"nominator")
test_first.are_equal(expected_date,
theChain.blocks[expected_index].kudo.date, "date")
test_first.are_equal(theChain.blocks[0].hash,
theChain.blocks[expected_index].previous_hash,
"previous hash matches")
def Chain_get_index_too_large_expect_None():
theChain = chain.Chain()
theChain.add_block("recip1", "nom1", datetime.date.today())
#Action
actual_block = theChain.get(2)
#Assert
test_first.are_equal(None, actual_block)
def Chain_verify_no_blocks_added_expect_True():
#Assign
theChain = chain.Chain()
#Action
result = theChain.verify()
#Assert
test_first.are_equal(True, result)
def Chain_count_no_kudos_expect_0():
#Assign
theChain = chain.Chain()
#Action
actual = theChain.count()
#Assert
test_first.are_equal(0, actual)
def Chain_get_list_no_blocks_expect_empty_list():
#Assign
theChain = chain.Chain()
#Action
result = theChain.get_list()
#Assert
test_first.are_equal(0, len(result))
def Chain_get_index_1_expect_the_first_kudo():
#Assign
theChain = chain.Chain()
theChain.add_block("recip1", "nom1", datetime.date.today())
#Action
actual_kudo = theChain.get(1)
#Assert
test_first.are_equal(theChain.blocks[1].kudo.__dict__,
actual_kudo.__dict__)
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 Chain_verify_add_3_blocks_expect_True():
#Assign
theChain = chain.Chain()
today = datetime.date.today()
theChain.add_block("recip1", "nom1", today)
theChain.add_block("recip2", "nom2", today)
theChain.add_block("recip3", "nom3", today)
#Action
result = theChain.verify()
#Assert
test_first.are_equal(True, result)
def Chain_get_index_2_of_3_expect_the_second_kudo():
#Assign
theChain = chain.Chain()
theChain.add_block("recip1", "nom1", datetime.date.today())
theChain.add_block("recip2", "nom2", datetime.date.today())
theChain.add_block("recip3", "nom3", datetime.date.today())
#Action
actual_kudo = theChain.get(2)
#Assert
test_first.are_equal(theChain.blocks[2].kudo.__dict__,
actual_kudo.__dict__)
def Chain_count_add_3_kudos_expect_3():
#Assign
theChain = chain.Chain()
today = datetime.date.today()
theChain.add_block("recip1", "nom1", today)
theChain.add_block("recip2", "nom2", today)
theChain.add_block("recip3", "nom3", today)
#Action
actual = theChain.count()
#Assert
test_first.are_equal(3, actual)
def Chain_verify_remove_block_expect_False():
#Assign
theChain = chain.Chain()
today = datetime.date.today()
theChain.add_block("recip1", "nom1", today)
theChain.add_block("recip2", "nom2", today)
theChain.add_block("recip3", "nom3", today)
theChain.blocks.remove(theChain.blocks[2])
#Action
result = theChain.verify()
#Assert
test_first.are_equal(False, result)
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 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 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_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 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 Chain_create_expect_list_with_the_genesis_block():
#Action
theChain = chain.Chain()
#Assert
test_first.are_equal(1, len(theChain.blocks), "One block is created")
def Chain_get_genesis_block_expect_a_block_with_genesis_info():
#Assign
expected_index = 0
expected_timestamp = datetime.datetime(1972, 4, 22, 0, 0, 0)
expected_previous_hash = "previous_hash"
expected_recipient = ""
expected_nominator = ""
expected_date = datetime.date(1994, 6, 13)
expected_hash = "81dd14b60acc3e90ddf5a08f5704eb890616dabc922659626026db6f81546692"
#Action
block_result = chain.Chain.get_genesis_block(expected_timestamp,
expected_previous_hash,
expected_date)
#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_recipient, block_result.kudo.recipient,
"recepient")
test_first.are_equal(expected_nominator, block_result.kudo.nominator,
"nominator")
test_first.are_equal(expected_date, block_result.kudo.date, "date")
test_first.are_equal(expected_hash, block_result.hash, "hash")
