def save_load_correct():
table = Table("data_table4.dat")
people_list = [["Amy", "23", "121"], ["Bridgette", "32", "144"], ["Dave", "26", "153"], ["Joe", "44", "176"]]
try:
table.set_attributes(["name", "age", "weight"])
table.append(people_list[0])
table.append(people_list[1])
table.append(people_list[2])
table.append(people_list[3])
table.save()
except:
return "0"
table = Table("data_table4.dat")
try:
table.set_attributes(["name", "age", "weight"])
table.load()
if table.sequential_search(FLAG_FIRST) != people_list[0]:
return "0"
if table.sequential_search(FLAG_NEXT) != people_list[1]:
return "0"
if table.sequential_search(FLAG_LAST) != people_list[3]:
return "0"
except:
return "0"
return "4"
def test_table_file_operations():
table = Table("person_data.dat")
table.set_attributes(["name", "age", "weight"])
table.set_key("name")
try:
table.populate_initial_data("person_data_four_col.txt", "++++", "\n")
except:
a = 0 # This code does nothing, but is necessary for the except block
else:
print("populate_initial_data() must raise an exception when input file has incorrect format.")
table.populate_initial_data("person_data_three_col.txt", "++++", "\n")
if table.get_size() != 12:
print(table.get_size())
print("Table size not correct after populating initial data.")
if table.sequential_search("first") != ["Abe Simons", "48", "176"]:
print("First row of Table after populating initial data is incorrect.")
if table.sequential_search("last") != ["Jules Rory", "25", "167"]:
print("Last row of Table after populating initial data is incorrect.")
table = Table("inverted_index_table.dat")
table.set_type("inverted_index")
table.load_one_document("story.txt", "101")
if table.get_size() != 347:
print(table.get_size())
print("Table size incorrect after loading one document.")
if table.sequential_search("first") != ["the", "101"]:
print("First row of Table is incorrect after loading one document.")
if table.key_search("darigan") != ["darigan", "101"]:
print("Table is missing key(s) after loading one document.")
def pop_init_correct():
table = Table("table.txt")
try:
table.set_attributes(["name", "age", "weight", "children"])
table.populate_initial_data("person_data_four_col.txt", "++++", "\n")
if table.sequential_search(FLAG_FIRST) != ["Abe Simons", "48", "176", "3"]:
return "0"
if table.sequential_search(FLAG_LAST) != ["Lenny Peterson", "19", "201", "0"]:
return "0"
except:
return "0"
return "3"
def seq_next_prev_correct():
table = Table("table.txt")
people_list = [["Amy", "23"], ["Bridgette", "32"], ["Dave", "26"], ["Joe", "44"]]
try:
table.set_attributes(["name", "age"])
table.append(people_list[0])
table.append(people_list[1])
table.append(people_list[2])
table.append(people_list[3])
table.sequential_search(FLAG_FIRST)
if table.sequential_search(FLAG_NEXT) != people_list[1]:
return "0"
if table.sequential_search(FLAG_NEXT) != people_list[2]:
return "0"
if table.sequential_search(FLAG_NEXT) != people_list[3]:
return "0"
if table.sequential_search(FLAG_PREV) != people_list[2]:
return "0"
if table.sequential_search(FLAG_PREV) != people_list[1]:
return "0"
if table.sequential_search(FLAG_PREV) != people_list[0]:
return "0"
except:
return "0"
return "0.5"
def lod_works_multiple():
table = Table("table.txt")
try:
table.set_type("inverted_index")
table.load_one_document("poem.txt", "104")
table.load_one_document("blurb.txt", "105")
last = table.sequential_search(FLAG_LAST)
if last != ["uphill", ["105"]] and last != ["uphill", "105"]:
return "0"
second_last = table.sequential_search(FLAG_PREV)
if second_last != ["quickly", ["104", "105"]] and second_last != ["quickly", "104,105"]:
return "0"
except:
return "0"
return "0.5"
def lod_works_correctly():
table = Table("table.txt")
try:
table.set_type("inverted_index")
table.load_one_document("poem.txt", "103")
first = table.sequential_search(FLAG_FIRST)
if first != ["1", ["103"]] and first != ["1", "103"]:
return "0"
second = table.sequential_search(FLAG_NEXT)
if second != ["2", ["103"]] and second != ["2", "103"]:
return "0"
last = table.sequential_search(FLAG_LAST)
if last != ["quickly", ["103"]] and last != ["quickly", "103"]:
return "0"
except:
return "0"
return "3"
def seq_empty_correct():
table = Table("table.txt")
try:
table.set_type("configuration")
if table.sequential_search(FLAG_FIRST) == None:
return "0.5"
except:
return "0"
return "0"
def remove_updates_size():
table = Table("table.txt")
table_list = [["cars", 3, ["make", "year", "color"]], ["people", 2, ["name", "age"]], ["students", 4, ["id", "first", "last", "year"]]]
try:
table.set_type("configuration")
table.append(table_list[0])
table.append(table_list[1])
table.append(table_list[2])
table.sequential_search(FLAG_FIRST)
table.remove_current_row()
if table.get_size() != 2:
return "0"
table.sequential_search(FLAG_FIRST)
table.remove_current_row()
if table.get_size() != 1:
return "0"
except:
return "0"
return "0.5"
def seq_points_first():
table = Table("table.txt")
try:
table.set_type("configuration")
table.append(["cars", 3, ["make", "year", "color"]])
table.append(["people", 2, ["name", "age"]])
if table.sequential_search(FLAG_NEXT) == ["people", 2, ["name", "age"]]:
return "0.5"
except:
return "0"
return "0"
def key_search_pointer_update():
table = Table("table.txt")
car_list = [["Focus", "Ford"], ["Mustang", "Ford"], ["Rio", "Chevy"]]
try:
table.set_attributes(["model", "manufacturer"])
table.append(car_list[0])
table.append(car_list[1])
table.append(car_list[2])
table.key_search("Mustang")
if table.sequential_search(FLAG_NEXT) == car_list[2]:
return "0.5"
except:
return "0"
return "0"
def test_table_data_and_search():
table = Table("data_table.dat")
table.set_attributes(["name", "age", "weight"])
table.set_key("name")
table.append(["Abe Simons", "48", "176"])
table.append(["Billy Kidd", "17", "145"])
table.append(["Emily Smith", "22", "138"])
table.append(["Carla Cree", "34", "215"])
table.append(["David Johnson", "71", "165"])
table.append(["Katherine Diaz", "32", "144"])
table.append(["Frank Small", "29", "129"])
table.append(["George Sorenson", "16", "188"])
table.append(["Lenny Peterson", "19", "201"])
table.append(["Heidi Thomson", "55", "133"])
table.append(["Iggy Bat", "61", "153"])
table.append(["Jules Rory", "25", "167"])
sequential_search_correct = True
if table.sequential_search("first") != ["Abe Simons", "48", "176"]:
sequential_search_correct = False
if table.sequential_search("last") != ["Jules Rory", "25", "167"]:
sequential_search_correct = False
if table.sequential_search("prev") != ["Iggy Bat", "61", "153"]:
sequential_search_correct = False
if table.sequential_search("next") != ["Jules Rory", "25", "167"]:
sequential_search_correct = False
if not sequential_search_correct:
print("Sequential search does not work correctly.")
if table.key_search("Nobody") != None:
print("Key search must return None when key does not exist in Table.")
if table.key_search("George Sorenson") != ["George Sorenson", "16", "188"]:
print("Key search must return row when key does exist in Table.")
if table.sequential_search("prev") != ["Frank Small", "29", "129"]:
print("Current pointer not set correctly after key search.")
def remove_sets_none():
table = Table("table.txt")
car_list = [["Focus", "Ford"], ["Mustang", "Ford"], ["Rio", "Chevy"]]
try:
table.set_attributes(["model", "manufacturer"])
table.append(car_list[0])
table.append(car_list[1])
table.append(car_list[2])
except:
return "0"
try:
table.remove_current_row()
table.remove_current_row()
table.remove_current_row()
if table.sequential_search(FLAG_FIRST) == None:
return "0.5"
except:
return "0"
return "0"
def remove_updates_pointer():
table = Table("table.txt")
people_list = [["Amy", "23"], ["Bridgette", "32"], ["Dave", "26"], ["Joe", "44"]]
try:
table.set_attributes(["name", "age"])
table.append(people_list[0])
table.append(people_list[1])
table.append(people_list[2])
table.append(people_list[3])
table.sequential_search(FLAG_FIRST)
table.sequential_search(FLAG_NEXT)
table.remove_current_row()
if table.sequential_search(FLAG_NEXT) != people_list[3]:
return "0"
table.remove_current_row()
if table.sequential_search(FLAG_NEXT) != people_list[2]:
return "0"
except:
return "0"
return "0.5"