async def test_descriptor_query(tables):
await create_user_notes()
await create_relationship()
charlie, huey, mickey, zaizee = await User.select().order_by(User.username)
with assert_query_count(1):
await assert_notes(charlie.notes, [1, 2])
with assert_query_count(1):
await assert_notes(zaizee.notes, [4, 5])
u = await User.create(username='******')
await assert_notes(u.notes, [])
n1, n2, n3, n4, n5 = await Note.select().order_by(Note.text)
with assert_query_count(1):
await assert_users(n1.users, ['charlie'])
with assert_query_count(1):
await assert_users(n2.users, ['charlie', 'huey'])
with assert_query_count(1):
await assert_users(n5.users, ['zaizee'])
n6 = await Note.create(text='note-6')
await assert_users(n6.users, [])
async def test_remove(tables):
await create_user_notes()
await create_relationship()
charlie, huey, mickey, zaizee = await User.select().order_by(User.username)
n1, n2, n3, n4, n5 = await Note.select().order_by(Note.text)
with assert_query_count(1):
await charlie.notes.remove([n1, n2, n3])
await assert_notes(charlie.notes, [])
await assert_notes(huey.notes, [2, 3])
with assert_query_count(1):
await huey.notes.remove(Note.select().where(
Note.text << ['note-2', 'note-4', 'note-5']))
await assert_notes(huey.notes, [3])
await assert_notes(mickey.notes, [3, 4])
await assert_notes(zaizee.notes, [4, 5])
with assert_query_count(1):
await n4.users.remove([charlie, mickey])
await assert_users(n4.users, ['zaizee'])
with assert_query_count(1):
await n5.users.remove(User.select())
await assert_users(n5.users, [])
async def test_add(tables):
await create_user_notes()
charlie = await User.get(User.username == 'charlie')
huey = await User.get(User.username == 'huey')
n1, n2, n3, n4, n5 = await Note.select().order_by(Note.text)
await charlie.notes.add([n1, n2])
await assert_notes(charlie.notes, [1, 2])
await assert_users(n1.users, ['charlie'])
await assert_users(n2.users, ['charlie'])
others = [n3, n4, n5]
for note in others:
await assert_users(note.users, [])
with assert_query_count(1):
await huey.notes.add(Note.select().where(
fn.substr(Note.text, 6, 1) << ['1', '3', '5']))
await assert_notes(huey.notes, [1, 3, 5])
await assert_users(n1.users, ['charlie', 'huey'])
await assert_users(n2.users, ['charlie'])
await assert_users(n3.users, ['huey'])
await assert_users(n4.users, [])
await assert_users(n5.users, ['huey'])
with assert_query_count(1):
await charlie.notes.add(n4)
await assert_notes(charlie.notes, [1, 2, 4])
with assert_query_count(2):
await n3.users.add(
User.select().where(User.username != 'charlie'),
clear_existing=True)
await assert_users(n3.users, ['huey', 'mickey', 'zaizee'])
async def test_simple_backref(tables):
user = await User.create(username='******')
with assert_query_count(1):
assert await model_to_dict(user, backrefs=True) == {
'id': user.id,
'notes': [],
'username': user.username}
# Create a note to populate backrefs list.
note = await Note.create(user=user, text='note-1')
expected = {
'id': user.id,
'notes': [
{'id': note.id, 'notetag_set': [], 'text': note.text},
],
'username': user.username}
# Two queries: one to get related notes, one to get related notetags.
with assert_query_count(2):
assert await model_to_dict(user, backrefs=True) == expected
query = (User
.select(User, Note, NoteTag)
.join(Note, JOIN.LEFT_OUTER)
.join(NoteTag, JOIN.LEFT_OUTER)
.aggregate_rows())
user = await query.get()
with assert_query_count(0):
assert await model_to_dict(user, backrefs=True) == expected
async def test_desciptor_filtering(tables):
await create_user_notes()
await create_relationship()
charlie, huey, mickey, zaizee = await User.select().order_by(User.username)
with assert_query_count(1):
notes = charlie.notes.order_by(Note.text.desc())
await assert_notes(notes, [2, 1])
with assert_query_count(1):
notes = huey.notes.where(Note.text != 'note-3')
await assert_notes(notes, [2])
async def test_extra_attrs(tables):
user = await User.create(username='******')
with assert_query_count(0):
extra = ['name_hash', 'title']
assert await model_to_dict(user, extra_attrs=extra) == {
'id': user.id,
'username': user.username,
'name_hash': 5,
'title': 'Peewee',
}
with assert_query_count(0):
# Unknown attr causes AttributeError.
with pytest.raises(AttributeError):
await model_to_dict(user, extra_attrs=['xx'])
async def test_many_to_many(tables):
user = await User.create(username='******')
note = await Note.create(user=user, text='note-1')
t1 = await Tag.create(tag='t1')
t2 = await Tag.create(tag='t2')
await Tag.create(tag='tx') # Note used on any notes.
nt1 = await NoteTag.create(note=note, tag=t1)
nt2 = await NoteTag.create(note=note, tag=t2)
expected = {
'id': user.id,
'notes': [{
'id': note.id,
'notetag_set': [
{'tag': {'id': t1.id, 'tag': t1.tag}},
{'tag': {'id': t2.id, 'tag': t2.tag}},
],
'text': note.text,
}],
'username': user.username,
}
# Query to retrieve notes, note-tags, and 2 tag queries.
with assert_query_count(4):
assert await model_to_dict(user, backrefs=True) == expected
async def test_recursive_fk(tables):
root = await Category.create(name='root')
child = await Category.create(name='child', parent=root)
grandchild = await Category.create(name='grandchild', parent=child)
with assert_query_count(0):
assert await model_to_dict(root) == {
'id': root.id,
'name': root.name,
'parent': None,
}
with assert_query_count(0):
assert await model_to_dict(root, recurse=False) == {
'id': root.id,
'name': root.name,
'parent': None,
}
with assert_query_count(1):
assert await model_to_dict(root, backrefs=True) == {
'children': [{'id': child.id, 'name': child.name}],
'id': root.id,
'name': root.name,
'parent': None,
}
with assert_query_count(1):
assert await model_to_dict(child, backrefs=True) == {
'children': [{'id': grandchild.id, 'name': grandchild.name}],
'id': child.id,
'name': child.name,
'parent': {
'id': root.id,
'name': root.name,
},
}
with assert_query_count(0):
assert await model_to_dict(child, backrefs=False) == {
'id': child.id,
'name': child.name,
'parent': {
'id': root.id,
'name': root.name,
},
}
async def test_simple_recurse(tables):
user = await User.create(username='******')
note = await Note.create(user=user, text='note-1')
with assert_query_count(0):
assert await model_to_dict(note) == {
'id': note.id,
'text': note.text,
'user': {
'id': user.id,
'username': user.username}}
with assert_query_count(0):
assert await model_to_dict(note, recurse=False) == {
'id': note.id,
'text': note.text,
'user': user.id,
}
async def test_set_values(tables):
await create_user_notes()
charlie = await User.get(User.username == 'charlie')
huey = await User.get(User.username == 'huey')
n1, n2, n3, n4, n5 = await Note.select().order_by(Note.text)
with assert_query_count(2):
await charlie.notes.set(n1)
await assert_notes(charlie.notes, [1])
await assert_users(n1.users, ['charlie'])
await charlie.notes.set([n2, n3])
await assert_notes(charlie.notes, [2, 3])
await assert_users(n1.users, [])
await assert_users(n2.users, ['charlie'])
await assert_users(n3.users, ['charlie'])
with assert_query_count(2):
await huey.notes.set(Note.select().where(~(Note.text.endswith('4'))))
await assert_notes(huey.notes, [1, 2, 3, 5])
async def test_remove_by_id(tables):
await create_user_notes()
await create_relationship()
charlie, huey, mickey, zaizee = await User.select().order_by(User.username)
n1, n2, n3, n4, n5 = await Note.select().order_by(Note.text)
await charlie.notes.add([n3, n4])
with assert_query_count(1):
await charlie.notes.remove([n1.id, n3.id])
await assert_notes(charlie.notes, [2, 4])
await assert_notes(huey.notes, [2, 3])
async def test_recurse_backrefs(tables):
user = await User.create(username='******')
note = await Note.create(user=user, text='note-1')
# One query to retrieve the note-tag set.
with assert_query_count(1):
assert await model_to_dict(note, backrefs=True) == {
'id': note.id,
'notetag_set': [],
'text': note.text,
'user': {
'id': user.id,
'username': user.username,
},
}
async def test_manual_through(tables):
await create_user_notes()
charlie, huey, mickey, zaizee = await User.select().order_by(User.username)
alt_notes = []
for i in range(5):
alt_notes.append(await AltNote.create(text='note-%s' % (i + 1)))
await assert_notes(charlie.altnotes, [])
for alt_note in alt_notes:
await assert_users(alt_note.users, [])
n1, n2, n3, n4, n5 = alt_notes
# Test adding relationships by setting the descriptor.
await charlie.altnotes.set([n1, n2])
with assert_query_count(2):
await huey.altnotes.set(AltNote.select().where(
fn.substr(AltNote.text, 6, 1) << ['1', '3', '5']))
await mickey.altnotes.add([n1, n4])
with assert_query_count(2):
await zaizee.altnotes.set(AltNote.select())
# Test that the notes were added correctly.
with assert_query_count(1):
await assert_notes(charlie.altnotes, [1, 2])
with assert_query_count(1):
await assert_notes(huey.altnotes, [1, 3, 5])
with assert_query_count(1):
await assert_notes(mickey.altnotes, [1, 4])
with assert_query_count(1):
await assert_notes(zaizee.altnotes, [1, 2, 3, 4, 5])
# Test removing notes.
with assert_query_count(1):
await charlie.altnotes.remove(n1)
await assert_notes(charlie.altnotes, [2])
with assert_query_count(1):
await huey.altnotes.remove([n1, n2, n3])
await assert_notes(huey.altnotes, [5])
with assert_query_count(1):
await zaizee.altnotes.remove(
AltNote.select().where(
fn.substr(AltNote.text, 6, 1) << ['1', '2', '4']))
await assert_notes(zaizee.altnotes, [3, 5])
# Test the backside of the relationship.
await n1.users.set(User.select().where(User.username != 'charlie'))
with assert_query_count(1):
await assert_users(n1.users, ['huey', 'mickey', 'zaizee'])
with assert_query_count(1):
await assert_users(n2.users, ['charlie'])
with assert_query_count(1):
await assert_users(n3.users, ['zaizee'])
with assert_query_count(1):
await assert_users(n4.users, ['mickey'])
with assert_query_count(1):
await assert_users(n5.users, ['huey', 'zaizee'])
with assert_query_count(1):
await n1.users.remove(User.select())
with assert_query_count(1):
await n5.users.remove([charlie, huey])
with assert_query_count(1):
await assert_users(n1.users, [])
with assert_query_count(1):
await assert_users(n5.users, ['zaizee'])
async def add_user(note, user):
with assert_query_count(1):
await note.users.add(user)
async def test_simple(tables):
user = await User.create(username='******')
with assert_query_count(0):
expected = {'id': user.id, 'username': user.username}
assert await model_to_dict(user) == expected