def test_delete_row(tmpdir):
dbm = DbManager(tmpdir)
dbm.create_db('test_db')
dbm.use_db('test_db')
path_db = os.path.join(tmpdir, "test_db")
path_table = os.path.join(path_db, "test_table")
test_schema = {'name': 'str', 'age': 'int', 'employed': 'bool'}
dbm.create_table("test_table", test_schema)
#insert three dummy rows
test_row1 = {'name': 'EchipaRacheta', 'age': '24', 'employed': "False"}
dbm.insert_row("test_table", test_row1)
test_row2 = {'name': 'EchipaRacheta2', 'age': '25', 'employed': "False"}
dbm.insert_row("test_table", test_row2)
test_row3 = {'name': 'EchipaRacheta2', 'age': '25', 'employed': "False"}
dbm.insert_row("test_table", test_row2)
# remove the second row
dbm.delete_row('test_table', 1)
check_path = os.path.join(path_table, '1')
#check if is removed for real
assert not os.path.exists(check_path)
def test_update_row(tmpdir):
dbm = DbManager(tmpdir)
dbm.create_db('test_db')
dbm.use_db('test_db')
test_schema = {'name': 'str', 'age': 'int', 'employed': 'bool'}
dbm.create_table("test_table", test_schema)
# insert 3 dummy rows
test_row1 = {'name': 'EchipaRacheta', 'age': '24', 'employed': "False"}
dbm.insert_row("test_table", test_row1)
test_row2 = {'name': 'EchipaRacheta2', 'age': '25', 'employed': "False"}
dbm.insert_row("test_table", test_row2)
test_row3 = {'name': 'EchipaRacheta2', 'age': '25', 'employed': "False"}
dbm.insert_row("test_table", test_row3)
# update row id 1
new_row = {'name': 'EchipaRachetaTest', 'age': '29', 'employed': 'True'}
dbm.update_row("test_table", 1, new_row)
rows = dbm.scan_rows('test_table')
for row in rows:
if row['_rowid'] == 1:
new_row['_rowid'] = 1
assert new_row == row
break
dbm.delete_db('test_db')
def test_del_column(tmpdir):
dbm = DbManager(tmpdir)
dbm.create_db('test_db')
dbm.use_db('test_db')
test_schema = {'name': 'str', 'age': 'int', 'employed': 'bool'}
dbm.create_table("test_table", test_schema)
path_db = os.path.join(tmpdir, "test_db")
path_table = os.path.join(path_db, "test_table")
#insert two rows in the current table
test_row1 = {'name': 'EchipaRacheta', 'age': '24', 'employed': "False"}
dbm.insert_row("test_table", test_row1)
test_row2 = {'name': 'EchipaRacheta2', 'age': '25', 'employed': "False"}
dbm.insert_row("test_table", test_row2)
#remove a column for this test
dbm.del_column("test_table", "age")
updated_schema = dbm.get_table_schema("test_table")
#check if new sschema has been updated accordingly
assert not 'age' in updated_schema.keys()
del test_schema['age']
assert test_schema == updated_schema
#get list of rows
rows = dbm.scan_rows('test_table')
for row in rows:
path_column = os.path.join(path_table, str(row['_rowid']))
check_path = os.path.join(path_column, 'age:bool')
assert not os.path.exists(check_path)
assert not "age" in row.keys()
dbm.delete_table('test_table')
def test_delete_db(tmpdir):
dbm = DbManager(tmpdir)
path = os.path.join(tmpdir, 'test_db')
dbm.create_db('test_db')
dbm.delete_db('test_db')
assert not os.path.exists(path)
def test_get_current_db(tmpdir):
dbm = DbManager(tmpdir)
dbm.create_db('test_db')
dbm.use_db('test_db')
assert dbm.get_current_db() == 'test_db'
dbm.delete_db('test_db')
def test_create_db(tmpdir):
dbm = DbManager(tmpdir)
dest_path = os.path.join(tmpdir, 'test_db')
dbm.create_db('test_db')
assert os.path.exists(dest_path)
assert os.path.isdir(dest_path)
shutil.rmtree(dest_path)
def test_db_path_set(tmpdir):
dbm = DbManager(tmpdir)
dbm.create_db('test_db')
dbm.use_db('test_db')
path = os.path.join(tmpdir, "test_db")
assert dbm.db_path == path
dbm.delete_db('test_db')
def test_get_table_schema(tmpdir):
dbm = DbManager(tmpdir)
dbm.create_db('test_db')
dbm.use_db('test_db')
test_schema = {'name': 'str', 'age': 'int', 'employed': 'bool'}
dbm.create_table('table_test', test_schema)
schema = dbm.get_table_schema('table_test')
assert schema == test_schema
def test_use_db_existing(tmpdir):
dbm = DbManager(tmpdir)
dbm.create_db('test_db')
path = os.path.join(tmpdir, "test_db")
dbm.use_db('test_db')
assert dbm._db_name == 'test_db'
assert dbm._db_path == path
dbm.delete_db('test_db')
def test_delete_table(tmpdir):
dbm = DbManager(tmpdir)
dbm.create_db('test_db')
dbm.use_db('test_db')
db_path = os.path.join(tmpdir, "test_db")
table_path = os.path.join(db_path, "test_table")
test_schema = {'name': 'str', 'age': 'int', 'employed': 'bool'}
dbm.create_table("test_table", test_schema)
dbm.delete_table("test_table")
assert not os.path.exists(table_path)
def test_scan_rows(tmpdir):
dbm = DbManager(tmpdir)
dbm.create_db('test_db')
dbm.use_db('test_db')
row1 = {'name': 'Cristea', 'age': '24', 'employed': 'False'}
row2 = {'name': 'Cernescu', 'age': '23', 'employed': 'True'}
row3 = {'name': 'Vasiliu', 'age': '24', 'employed': 'False'}
test_schema = {'name': 'str', 'age': 'int', 'employed': 'bool'}
dbm.create_table('user', test_schema)
dbm.insert_row('user', row1)
dbm.insert_row('user', row2)
dbm.insert_row('user', row3)
test_records = [row1, row2, row3]
records = dbm.scan_rows('user')
for record in records:
del record['_rowid']
assert record in test_records
def test_create_table(tmpdir):
dbm = DbManager(tmpdir)
dbm.create_db('test_db')
dbm.use_db('test_db')
db_path = os.path.join(tmpdir, "test_db")
table_path = os.path.join(db_path, "test_table")
schema_path = os.path.join(table_path, ".schema")
test_schema = {'name': 'str', 'age': 'int', 'employed': 'bool'}
dbm.create_table("test_table", test_schema)
schema_test = dbm.get_table_schema("test_table")
assert os.path.exists(table_path)
assert os.path.isdir(table_path)
assert os.path.exists(schema_path)
assert os.path.isfile(schema_path)
assert schema_test == test_schema
dbm.delete_table('test_table')
def test_insert_row(tmpdir):
dbm = DbManager(tmpdir)
dbm.create_db('test_db')
dbm.use_db('test_db')
test_schema = {'name': 'str', 'age': 'int', 'employed': 'bool'}
dbm.create_table("test_table", test_schema)
test_row1 = {'name': 'EchipaRacheta', 'age': '24', 'employed': "False"}
dbm.insert_row("test_table", test_row1)
test_row1["_rowid"] = 0
test_row2 = {'name': 'EchipaRacheta2', 'age': '25', 'employed': "False"}
dbm.insert_row("test_table", test_row2)
test_row2["_rowid"] = 1
test_row3 = {'name': 'EchipaRacheta3', 'age': '26', 'employed': "False"}
dbm.insert_row("test_table", test_row3)
test_row3["_rowid"] = 2
test_row4 = {'name': 'EchipaRacheta4', 'age': '27', 'employed': "False"}
dbm.insert_row("test_table", test_row4)
test_row4["_rowid"] = 3
test_row5 = {'name': 'EchipaRacheta5', 'age': '28', 'employed': "False"}
dbm.insert_row("test_table", test_row5)
test_row5["_rowid"] = 4
inserted_testRows = [test_row1, test_row2, test_row3, test_row4, test_row5]
rows = dbm.scan_rows("test_table")
isFound = True
#check if all rows inserted in the table are exactly those created above
for row in rows:
if row not in inserted_testRows:
isFound = False
break
assert isFound == True
dbm.delete_db('test_db')
def test_get_tables(tmpdir):
dbm = DbManager(tmpdir)
dbm.create_db('test_db')
dbm.use_db('test_db')
test_schema = {'name': 'str', 'age': 'int', 'employed': 'bool'}
dbm.create_table("test_table", test_schema)
test_schema2 = {'name': 'str', 'description': 'str', 'isMale': 'bool'}
dbm.create_table("test_table2", test_schema2)
test_schema3 = {'name': 'str', 'age': 'int'}
dbm.create_table("test_table3", test_schema3)
existing_schemas = [test_schema, test_schema2, test_schema3]
tables_list = dbm.get_tables("test_db")
for table in tables_list:
current_schema = dbm.get_table_schema(table)
assert current_schema in existing_schemas
dbm.delete_db('test_db')
def test_add_column(tmpdir):
dbm = DbManager(tmpdir)
dbm.create_db('test_db')
dbm.use_db('test_db')
test_schema = {'name': 'str', 'age': 'int', 'employed': 'bool'}
dbm.create_table("test_table", test_schema)
path_db = os.path.join(tmpdir, "test_db")
path_table = os.path.join(path_db, "test_table")
# #insert two dummy rows in the current table
test_row1 = {'name': 'EchipaRacheta', 'age': '24', 'employed': "False"}
dbm.insert_row("test_table", test_row1)
test_row2 = {'name': 'EchipaRacheta2', 'age': '25', 'employed': "False"}
dbm.insert_row("test_table", test_row2)
# add column test
dbm.add_column("test_table", "test_column", "bool")
updated_schema = dbm.get_table_schema('test_table')
#check if schema is updated
assert "test_column" in updated_schema.keys()
assert updated_schema['test_column'] == 'bool'
del updated_schema['test_column']
assert updated_schema == test_schema
#check if a new file is created for the new column recently added
rows = dbm.scan_rows('test_table')
for row in rows:
path_column = os.path.join(path_table, str(row['_rowid']))
check_path = os.path.join(path_column, 'test_column.bool')
assert os.path.exists(check_path)
assert os.path.isfile(check_path)
assert "test_column" in row.keys()
assert row["test_column"] == ''
dbm.delete_table('test_table')
def test_to_csv(tmpdir):
dbm = DbManager(tmpdir)
dbm.create_db('test_db')
dbm.use_db('test_db')
csv_path = os.path.join(tmpdir, "db.csv")
test_schema = {'name': 'str', 'age': 'int', 'employed': 'bool'}
dbm.create_table("test_table1", test_schema)
test_row1 = {'name': 'EchipaRacheta', 'age': '24', 'employed': "False"}
dbm.insert_row("test_table1", test_row1)
test_row2 = {'name': 'EchipaRacheta2', 'age': '25', 'employed': "False"}
dbm.insert_row("test_table1", test_row2)
test_schema = {'description': 'str', 'isMember': 'bool'}
dbm.create_table("test_table2", test_schema)
test_row3 = {'description': 'descrierea dummy ', 'isMember': 'True'}
dbm.insert_row("test_table2", test_row3)
test_row4 = {'description': 'descrierea dummy 2', 'isMember': "False"}
dbm.insert_row("test_table2", test_row4)
dbm.to_csv(csv_path)
tables_created = {}
table_schemas = {}
inserted_testRows = [test_row1, test_row2, test_row3, test_row4]
assert os.path.exists(csv_path)
last_table = ""
fw = open(csv_path, "r")
isSchema = True
records = {}
#check schema
for line in fw:
if isSchema:
line = line.replace('\n', '')
current_schema = {}
schema_str = line.split(',')
table_name = schema_str[0]
isSchema = False
for i in range(1, len(schema_str)):
column_name, column_type = schema_str[i].split(':')
current_schema[column_name] = column_type
test_schema = dbm.get_table_schema(table_name)
assert current_schema == test_schema
elif line == "\n":
isSchema = True
currentRow = {}
else:
#print(line)
line.replace('\n', '')
print(line)
line = line.split(',')
if line != ['']:
db_rowid = line[0] + '-' + line[1]
if db_rowid in records.keys():
records[db_rowid] += ';' + (line[2] + '-' +
line[3].replace('\n', ''))
else:
records[db_rowid] = line[2] + '-' + line[3].replace(
'\n', '')
# check if the records are exactly the same
for key in records.keys():
row = {}
content = records[key].split(';')
for column in content:
row[column.split('-')[0]] = column.split('-')[1]
print(row)
assert row in inserted_testRows
dbm.delete_db('test_db')