def getters_raise_exceptions():
table = Table("table.txt")
try:
table.get_degree()
return "0"
except:
a = 0
try:
table.get_attributes()
return "0"
except:
a = 0
try:
table.get_key()
return "0"
except:
a = 0
return "1"
def set_key_correct():
table = Table("table.txt")
try:
table.set_attributes(["first", "last", "id"])
table.set_key("id")
if table.get_key() == "id":
return "1"
except:
return "0"
return "0"
def test_table_getters_and_setters():
table = Table("example_name.dat")
if table.get_type() != "data":
print("Default Table type must be data.")
try:
table.get_attributes()
except:
a = 0 # This code does nothing, but is necessary for the except block
else:
print("get_attributes() must raise an exception when no attributes are set.")
table.set_attributes(["col1", "col2", "col3"])
if table.get_attributes() != ["col1", "col2", "col3"]:
print("Attributes not set correctly.")
table.set_key("col1")
if table.get_key() != "col1":
print("Key not set correctly.")
try:
table.set_key("non_existant_attribute")
except:
a = 0 # This code does nothing, but is necessary for the except block
else:
print("set_key() must raise an exception when key is not an attribute.")
table.set_type("configuration")
if table.get_attributes() != ["table_name", "degree", "list_of_attributes"]:
print("Attributes not set correctly for 'configuration' type.")
try:
table.set_attributes(["incorrect_col1", "incorrect_col2", "incorrect_col3"])
except:
a = 0 # This code does nothing, but is necessary for the except block
else:
print("set_attributes() must raise an exception when wrong attributes are set for 'configuration' type.")
def set_attributes_correct():
table = Table("table.txt")
try:
table.set_attributes(["name", "age", "weight"])
if table.get_attributes() == ["name", "age", "weight"] and table.get_degree() == 3 and table.get_key() == "name":
return "2"
except:
return "0"
return "0"
def set_type_attributes_correct():
table = Table("table.txt")
score = 0
try:
table.set_type("configuration")
if table.get_attributes() == CONFIGURATION_ATTRIBUTES and table.get_degree() == 3 and table.get_key() == CONFIGURATION_KEY:
score+=1
except:
a = 0
table = Table("table.txt")
try:
table.set_type("inverted_index")
if table.get_attributes() == INVERTED_INDEX_ATTRIBUTES and table.get_degree() == 2 and table.get_key() == INVERTED_INDEX_KEY:
score+=1
except:
a = 0
return str(score)