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 defaults_correct():
table = Table("file_name.dat")
try:
if table.get_type() == "data" and table.get_size() == 0 and table.get_file_name() == "file_name.dat":
return "1"
except:
return "0"
return "0"
def lod_sets_size():
table = Table("table.txt")
try:
table.set_type("inverted_index")
table.load_one_document("poem.txt", "102")
if table.get_size() == 13:
return "0.5"
except:
return "0"
return "0"
def pop_init_updates_size():
table = Table("table.txt")
try:
table.set_attributes(["name", "age", "weight"])
table.populate_initial_data("person_data_three_col.txt", "++++", "--::--")
if table.get_size() == 6:
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 append_updates_size():
table = Table("table.txt")
try:
table.set_attributes(["name", "age"])
table.append(["Joe", 47])
table.append(["Sarah", 23])
if table.get_size() == 2:
return "0.5"
except:
return "0"
return "0"
def load_overwrites():
table = Table("data_table3.dat")
try:
table.set_attributes(["name", "age"])
table.append(["Joe", "19"])
table.save()
except:
return "0"
table = Table("data_table3.dat")
try:
table.set_attributes(["name", "age"])
table.append(["Alice", "33"])
table.append(["Frank", "48"])
table.load()
if table.get_size() == 1:
return "0.5"
except:
return "0"
return "0"
