def update(self, id: int, **kwargs) -> bool:
"""
>>> Category().update(id: int, **kwargs) -> bool
>>> Category().update(id: int, name: str = "some str") -> bool
Update category, where id is the category's ID. Returns False on failure else True for success.
"""
sql = " ".join(["UPDATE category SET",
placeholder_update(list(kwargs.keys())),
"WHERE",
placeholder_update(["id"])])
values = list(kwargs.values()) + [id]
return self.write(sql, values)
def test_two_keys(self):
keys = [
'full_name',
'age',
]
val = "full_name=?, age=?"
self.assertEqual(placeholder_update(keys), val)
def update(self, id: int, **kwargs) -> bool:
"""
>>> Quiz().update(id: int, **kwargs) -> bool
>>> Quiz().update(id: int [, cat_id:int = CAT_ID | question: str = Q_STR | options: str = OP_STR | answer: str = A_STR]) -> bool
Update category, where id is the category's ID. Returns False on failure else True for success.
"""
sql = " ".join([
"UPDATE quiz SET",
placeholder_update(list(kwargs.keys())), "WHERE",
placeholder_update(["id"])
])
values = list(kwargs.values()) + [
id,
]
return self.write(sql, values)
def delete(self, id: int) -> bool:
"""
>>> Category().delete(id: int) -> bool
Delete category by ID. Returns False on failure else True for success.
"""
sql = " ".join(["DELETE FROM category WHERE",
placeholder_update(["id"])])
values = [id, ]
return self.write(sql, values)
def one(self, id: int):
"""
>>> row = read().one(id: int) -> sqlite3.Row
>>> print(row['id'], row['name'])
Returns a sqlite3.Row passing an integer ID
"""
sql = " ".join(["SELECT id, name FROM category WHERE",
placeholder_update(["id"])])
values = [id, ]
cur = self.get_cursor()
row = cur.execute(sql, values).fetchone() or []
return row
def one(self, id):
"""
>>> row = read().one(id: int) -> sqlite3.Row
>>> print(row['id'], row['cat_id'], row['question'], row['options'], row['answer'])
Returns a sqlite3.Row passing an integer ID
"""
sql = " ".join([
"SELECT id, cat_id, question, options, answer",
"FROM quiz WHERE",
placeholder_update(["id"])
])
cur = self.get_cursor()
row = cur.execute(sql, [id]).fetchone() or []
return row
def test_empty_keys(self):
keys = []
val = ""
self.assertEqual(placeholder_update(keys), val)
def test_non_string_keys(self):
with self.assertRaises(Exception):
keys = [1, 2, 3]
placeholder_update(keys)
def test_five_keys(self):
keys = ['full_name', 'age', 'dob', 'job', 'height']
val = "full_name=?, age=?, dob=?, job=?, height=?"
self.assertEqual(placeholder_update(keys), val)
def test_one_key(self):
keys = [
'full_name',
]
val = "full_name=?"
self.assertEqual(placeholder_update(keys), val)