def test_add_increases_count(db_with_3_tasks):
"""Test tasks.add() affect on tasks.count()."""
# GIVEN a db with 3 tasks
# WHEN another task is added
tasks.add(Task('throw a party'))
# THEN the count increases by 1
assert tasks.count() == 4
def test_unique_id_2():
"""unique_id() should return an unused id."""
ids = []
ids.append(tasks.add(Task('one')))
ids.append(tasks.add(Task('two')))
ids.append(tasks.add(Task('three')))
# grab a unique id
uid = tasks.unique_id()
# make sure it isn't in the list of existing ids
assert uid not in ids
def test_add_1(tasks_db):
"""tasks.get() using id returned from add() works."""
task = Task('breathe', 'BRIAN', True)
task_id = tasks.add(task)
t_from_db = tasks.get(task_id)
# everything but the id should be the same
assert equivalent(t_from_db, task)
def test_add_returns_valid_id():
"""tasks.add(<valid task>) should return an integer."""
# GIVEN an initialized tasks db
# WHEN a new task is added
# THEN returned task_id is of type int
new_task = Task('do something')
task_id = tasks.add(new_task)
assert isinstance(task_id, int)
def test_added_task_has_id_set():
"""Make sure the task_id field is set by tasks.add()."""
# GIVEN an initialized tasks db
# AND a new task is added
new_task = Task('sit in chair', owner='me', done=True)
task_id = tasks.add(new_task)
# WHEN task is retrieved
task_from_db = tasks.get(task_id)
# THEN task_id matches id field
assert task_from_db.id == task_id
def test_added_task_has_id_set(tasks_db):
"""Make sure the task_id field is set by tasks.add()."""
# GIVEN an initialized tasks db
# AND a new task is added
new_task = Task('sit in chair', owner='me', done=True)
task_id = tasks.add(new_task)
# WHEN task is retrieved
task_from_db = tasks.get(task_id)
# THEN task_id matches id field
assert task_from_db.id == task_id
# AND contents are equivalent (except for id)
# the [:-1] syntax returns a list with all but the last element
assert task_from_db[:-1] == new_task[:-1]
def test_add_5(tasks_db, task):
"""Demonstrate ids."""
task_id = tasks.add(task)
t_from_db = tasks.get(task_id)
assert equivalent(t_from_db, task)
def test_add_4(tasks_db, task):
"""Slightly different take."""
task_id = tasks.add(task)
t_from_db = tasks.get(task_id)
assert equivalent(t_from_db, task)
def test_add_3(tasks_db, summary, owner, done):
"""Demonstrate parametrize with multiple parameters."""
task = Task(summary, owner, done)
task_id = tasks.add(task)
t_from_db = tasks.get(task_id)
assert equivalent(t_from_db, task)
def test_add_2(tasks_db, task):
"""Demonstrate parametrize with one parameter."""
task_id = tasks.add(task)
t_from_db = tasks.get(task_id)
assert equivalent(t_from_db, task)
def test_equivalent(self, tasks_db, task):
"""Similar test, just within a class."""
task_id = tasks.add(task)
t_from_db = tasks.get(task_id)
assert equivalent(t_from_db, task)
def test_add_b(tasks_db, b_task):
task_id = tasks.add(b_task)
t_from_db = tasks.get(task_id)
assert equivalent(t_from_db, b_task)
def test_add_b(tasks_db, b_task):
"""Using b_task fixture, with ids."""
task_id = tasks.add(b_task)
t_from_db = tasks.get(task_id)
assert equivalent(t_from_db, b_task)
def test_add_a(tasks_db, a_task):
"""Using a_task fixture (no ids)."""
task_id = tasks.add(a_task)
t_from_db = tasks.get(task_id)
assert equivalent(t_from_db, a_task)
def db_with_multi_per_owner(tasks_db, tasks_mult_per_owner):
"""Connected db with 9 tasks, 3 owners, all with 3 tasks."""
for t in tasks_mult_per_owner:
tasks.add(t)
def db_with_3_tasks(tasks_db, tasks_just_a_few):
"""Connected db with 3 tasks, all unique."""
for t in tasks_just_a_few:
tasks.add(t)
def test_add_6(task, tasks_db):
"""Demonstrate pytest.param and id."""
task_id = tasks.add(task)
t_from_db = tasks.get(task_id)
assert equivalent(t_from_db, task)
def test_add_c(tasks_db, c_task):
"""Use fixture with generated ids."""
task_id = tasks.add(c_task)
t_from_db = tasks.get(task_id)
assert equivalent(t_from_db, c_task)
def test_valid_id(self, tasks_db, task):
"""We can use the same data for multiple tests."""
task_id = tasks.add(task)
t_from_db = tasks.get(task_id)
assert t_from_db.id == task_id
def test_add_raises():
"""add() should raise an exception with wrong type param."""
with pytest.raises(TypeError):
tasks.add(task='not a Task object')
