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767 lines
22 KiB
Python
767 lines
22 KiB
Python
# This file is part of beets.
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# Copyright 2016, Adrian Sampson.
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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"""Tests for the DBCore database abstraction."""
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import os
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import shutil
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import sqlite3
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import unittest
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from tempfile import mkstemp
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import pytest
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from beets import dbcore
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from beets.test import _common
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# Fixture: concrete database and model classes. For migration tests, we
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# have multiple models with different numbers of fields.
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class SortFixture(dbcore.query.FieldSort):
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pass
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class QueryFixture(dbcore.query.FieldQuery):
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def __init__(self, pattern):
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self.pattern = pattern
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def clause(self):
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return None, ()
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def match(self):
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return True
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class ModelFixture1(dbcore.Model):
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_table = "test"
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_flex_table = "testflex"
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_fields = {
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"id": dbcore.types.PRIMARY_ID,
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"field_one": dbcore.types.INTEGER,
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"field_two": dbcore.types.STRING,
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}
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_types = {
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"some_float_field": dbcore.types.FLOAT,
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}
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_sorts = {
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"some_sort": SortFixture,
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}
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_queries = {
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"some_query": QueryFixture,
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}
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@classmethod
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def _getters(cls):
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return {}
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def _template_funcs(self):
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return {}
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class DatabaseFixture1(dbcore.Database):
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_models = (ModelFixture1,)
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pass
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class ModelFixture2(ModelFixture1):
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_fields = {
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"id": dbcore.types.PRIMARY_ID,
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"field_one": dbcore.types.INTEGER,
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"field_two": dbcore.types.INTEGER,
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}
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class DatabaseFixture2(dbcore.Database):
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_models = (ModelFixture2,)
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pass
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class ModelFixture3(ModelFixture1):
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_fields = {
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"id": dbcore.types.PRIMARY_ID,
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"field_one": dbcore.types.INTEGER,
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"field_two": dbcore.types.INTEGER,
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"field_three": dbcore.types.INTEGER,
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}
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class DatabaseFixture3(dbcore.Database):
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_models = (ModelFixture3,)
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pass
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class ModelFixture4(ModelFixture1):
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_fields = {
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"id": dbcore.types.PRIMARY_ID,
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"field_one": dbcore.types.INTEGER,
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"field_two": dbcore.types.INTEGER,
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"field_three": dbcore.types.INTEGER,
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"field_four": dbcore.types.INTEGER,
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}
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class DatabaseFixture4(dbcore.Database):
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_models = (ModelFixture4,)
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pass
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class AnotherModelFixture(ModelFixture1):
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_table = "another"
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_flex_table = "anotherflex"
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_fields = {
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"id": dbcore.types.PRIMARY_ID,
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"foo": dbcore.types.INTEGER,
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}
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class ModelFixture5(ModelFixture1):
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_fields = {
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"some_string_field": dbcore.types.STRING,
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"some_float_field": dbcore.types.FLOAT,
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"some_boolean_field": dbcore.types.BOOLEAN,
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}
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class DatabaseFixture5(dbcore.Database):
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_models = (ModelFixture5,)
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pass
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class DatabaseFixtureTwoModels(dbcore.Database):
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_models = (ModelFixture2, AnotherModelFixture)
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pass
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class ModelFixtureWithGetters(dbcore.Model):
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@classmethod
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def _getters(cls):
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return {"aComputedField": (lambda s: "thing")}
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def _template_funcs(self):
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return {}
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@_common.slow_test()
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class MigrationTest(unittest.TestCase):
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"""Tests the ability to change the database schema between
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versions.
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"""
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@classmethod
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def setUpClass(cls):
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handle, cls.orig_libfile = mkstemp("orig_db")
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os.close(handle)
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# Set up a database with the two-field schema.
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old_lib = DatabaseFixture2(cls.orig_libfile)
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# Add an item to the old library.
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old_lib._connection().execute(
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"insert into test (field_one, field_two) values (4, 2)"
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)
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old_lib._connection().commit()
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old_lib._connection().close()
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del old_lib
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@classmethod
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def tearDownClass(cls):
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os.remove(cls.orig_libfile)
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def setUp(self):
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handle, self.libfile = mkstemp("db")
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os.close(handle)
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shutil.copyfile(self.orig_libfile, self.libfile)
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def tearDown(self):
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os.remove(self.libfile)
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def test_open_with_same_fields_leaves_untouched(self):
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new_lib = DatabaseFixture2(self.libfile)
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c = new_lib._connection().cursor()
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c.execute("select * from test")
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row = c.fetchone()
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c.connection.close()
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assert len(row.keys()) == len(ModelFixture2._fields)
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def test_open_with_new_field_adds_column(self):
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new_lib = DatabaseFixture3(self.libfile)
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c = new_lib._connection().cursor()
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c.execute("select * from test")
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row = c.fetchone()
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c.connection.close()
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assert len(row.keys()) == len(ModelFixture3._fields)
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def test_open_with_fewer_fields_leaves_untouched(self):
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new_lib = DatabaseFixture1(self.libfile)
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c = new_lib._connection().cursor()
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c.execute("select * from test")
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row = c.fetchone()
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c.connection.close()
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assert len(row.keys()) == len(ModelFixture2._fields)
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def test_open_with_multiple_new_fields(self):
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new_lib = DatabaseFixture4(self.libfile)
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c = new_lib._connection().cursor()
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c.execute("select * from test")
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row = c.fetchone()
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c.connection.close()
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assert len(row.keys()) == len(ModelFixture4._fields)
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def test_extra_model_adds_table(self):
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new_lib = DatabaseFixtureTwoModels(self.libfile)
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try:
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c = new_lib._connection()
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c.execute("select * from another")
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c.close()
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except sqlite3.OperationalError:
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self.fail("select failed")
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class TransactionTest(unittest.TestCase):
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def setUp(self):
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self.db = DatabaseFixture1(":memory:")
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def tearDown(self):
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self.db._connection().close()
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def test_mutate_increase_revision(self):
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old_rev = self.db.revision
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with self.db.transaction() as tx:
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tx.mutate(
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"INSERT INTO {} "
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"(field_one) "
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"VALUES (?);".format(ModelFixture1._table),
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(111,),
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)
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assert self.db.revision > old_rev
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def test_query_no_increase_revision(self):
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old_rev = self.db.revision
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with self.db.transaction() as tx:
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tx.query("PRAGMA table_info(%s)" % ModelFixture1._table)
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assert self.db.revision == old_rev
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class ModelTest(unittest.TestCase):
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def setUp(self):
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self.db = DatabaseFixture1(":memory:")
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def tearDown(self):
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self.db._connection().close()
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def test_add_model(self):
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model = ModelFixture1()
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model.add(self.db)
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rows = self.db._connection().execute("select * from test").fetchall()
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assert len(rows) == 1
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def test_store_fixed_field(self):
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model = ModelFixture1()
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model.add(self.db)
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model.field_one = 123
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model.store()
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row = self.db._connection().execute("select * from test").fetchone()
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assert row["field_one"] == 123
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def test_revision(self):
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old_rev = self.db.revision
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model = ModelFixture1()
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model.add(self.db)
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model.store()
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assert model._revision == self.db.revision
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assert self.db.revision > old_rev
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mid_rev = self.db.revision
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model2 = ModelFixture1()
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model2.add(self.db)
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model2.store()
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assert model2._revision > mid_rev
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assert self.db.revision > model._revision
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# revision changed, so the model should be re-loaded
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model.load()
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assert model._revision == self.db.revision
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# revision did not change, so no reload
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mod2_old_rev = model2._revision
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model2.load()
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assert model2._revision == mod2_old_rev
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def test_retrieve_by_id(self):
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model = ModelFixture1()
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model.add(self.db)
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other_model = self.db._get(ModelFixture1, model.id)
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assert model.id == other_model.id
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def test_store_and_retrieve_flexattr(self):
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model = ModelFixture1()
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model.add(self.db)
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model.foo = "bar"
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model.store()
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other_model = self.db._get(ModelFixture1, model.id)
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assert other_model.foo == "bar"
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def test_delete_flexattr(self):
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model = ModelFixture1()
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model["foo"] = "bar"
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assert "foo" in model
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del model["foo"]
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assert "foo" not in model
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def test_delete_flexattr_via_dot(self):
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model = ModelFixture1()
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model["foo"] = "bar"
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assert "foo" in model
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del model.foo
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assert "foo" not in model
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def test_delete_flexattr_persists(self):
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model = ModelFixture1()
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model.add(self.db)
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model.foo = "bar"
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model.store()
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model = self.db._get(ModelFixture1, model.id)
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del model["foo"]
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model.store()
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model = self.db._get(ModelFixture1, model.id)
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assert "foo" not in model
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def test_delete_non_existent_attribute(self):
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model = ModelFixture1()
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with pytest.raises(KeyError):
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del model["foo"]
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def test_delete_fixed_attribute(self):
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model = ModelFixture5()
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model.some_string_field = "foo"
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model.some_float_field = 1.23
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model.some_boolean_field = True
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for field, type_ in model._fields.items():
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assert model[field] != type_.null
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for field, type_ in model._fields.items():
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del model[field]
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assert model[field] == type_.null
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def test_null_value_normalization_by_type(self):
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model = ModelFixture1()
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model.field_one = None
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assert model.field_one == 0
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def test_null_value_stays_none_for_untyped_field(self):
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model = ModelFixture1()
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model.foo = None
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assert model.foo is None
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def test_normalization_for_typed_flex_fields(self):
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model = ModelFixture1()
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model.some_float_field = None
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assert model.some_float_field == 0.0
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def test_load_deleted_flex_field(self):
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model1 = ModelFixture1()
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model1["flex_field"] = True
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model1.add(self.db)
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model2 = self.db._get(ModelFixture1, model1.id)
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assert "flex_field" in model2
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del model1["flex_field"]
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model1.store()
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model2.load()
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assert "flex_field" not in model2
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def test_check_db_fails(self):
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with pytest.raises(ValueError, match="no database"):
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dbcore.Model()._check_db()
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with pytest.raises(ValueError, match="no id"):
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ModelFixture1(self.db)._check_db()
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dbcore.Model(self.db)._check_db(need_id=False)
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def test_missing_field(self):
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with pytest.raises(AttributeError):
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ModelFixture1(self.db).nonExistingKey
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def test_computed_field(self):
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model = ModelFixtureWithGetters()
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assert model.aComputedField == "thing"
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with pytest.raises(KeyError, match="computed field .+ deleted"):
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del model.aComputedField
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def test_items(self):
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model = ModelFixture1(self.db)
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model.id = 5
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assert {("id", 5), ("field_one", 0), ("field_two", "")} == set(
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model.items()
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)
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def test_delete_internal_field(self):
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model = dbcore.Model()
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del model._db
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with pytest.raises(AttributeError):
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model._db
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def test_parse_nonstring(self):
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with pytest.raises(TypeError, match="must be a string"):
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dbcore.Model._parse(None, 42)
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class FormatTest(unittest.TestCase):
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def test_format_fixed_field_integer(self):
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model = ModelFixture1()
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model.field_one = 155
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value = model.formatted().get("field_one")
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assert value == "155"
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def test_format_fixed_field_integer_normalized(self):
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"""The normalize method of the Integer class rounds floats"""
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model = ModelFixture1()
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model.field_one = 142.432
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value = model.formatted().get("field_one")
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assert value == "142"
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model.field_one = 142.863
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value = model.formatted().get("field_one")
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assert value == "143"
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def test_format_fixed_field_string(self):
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model = ModelFixture1()
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model.field_two = "caf\xe9"
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value = model.formatted().get("field_two")
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assert value == "caf\xe9"
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def test_format_flex_field(self):
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model = ModelFixture1()
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model.other_field = "caf\xe9"
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value = model.formatted().get("other_field")
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assert value == "caf\xe9"
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def test_format_flex_field_bytes(self):
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model = ModelFixture1()
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model.other_field = "caf\xe9".encode()
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value = model.formatted().get("other_field")
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assert isinstance(value, str)
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assert value == "caf\xe9"
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def test_format_unset_field(self):
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model = ModelFixture1()
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value = model.formatted().get("other_field")
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assert value == ""
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def test_format_typed_flex_field(self):
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model = ModelFixture1()
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model.some_float_field = 3.14159265358979
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value = model.formatted().get("some_float_field")
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assert value == "3.1"
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class FormattedMappingTest(unittest.TestCase):
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def test_keys_equal_model_keys(self):
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model = ModelFixture1()
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formatted = model.formatted()
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assert set(model.keys(True)) == set(formatted.keys())
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def test_get_unset_field(self):
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model = ModelFixture1()
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formatted = model.formatted()
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with pytest.raises(KeyError):
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formatted["other_field"]
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def test_get_method_with_default(self):
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model = ModelFixture1()
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formatted = model.formatted()
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assert formatted.get("other_field") == ""
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def test_get_method_with_specified_default(self):
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model = ModelFixture1()
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formatted = model.formatted()
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assert formatted.get("other_field", "default") == "default"
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class ParseTest(unittest.TestCase):
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def test_parse_fixed_field(self):
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value = ModelFixture1._parse("field_one", "2")
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assert isinstance(value, int)
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assert value == 2
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def test_parse_flex_field(self):
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value = ModelFixture1._parse("some_float_field", "2")
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assert isinstance(value, float)
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assert value == 2.0
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def test_parse_untyped_field(self):
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value = ModelFixture1._parse("field_nine", "2")
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assert value == "2"
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class QueryParseTest(unittest.TestCase):
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def pqp(self, part):
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return dbcore.queryparse.parse_query_part(
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part,
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{"year": dbcore.query.NumericQuery},
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{":": dbcore.query.RegexpQuery},
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)[
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:-1
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] # remove the negate flag
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def test_one_basic_term(self):
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q = "test"
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r = (None, "test", dbcore.query.SubstringQuery)
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assert self.pqp(q) == r
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def test_one_keyed_term(self):
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q = "test:val"
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r = ("test", "val", dbcore.query.SubstringQuery)
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assert self.pqp(q) == r
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def test_colon_at_end(self):
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q = "test:"
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r = ("test", "", dbcore.query.SubstringQuery)
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assert self.pqp(q) == r
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def test_one_basic_regexp(self):
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q = r":regexp"
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r = (None, "regexp", dbcore.query.RegexpQuery)
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assert self.pqp(q) == r
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def test_keyed_regexp(self):
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q = r"test::regexp"
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|
r = ("test", "regexp", dbcore.query.RegexpQuery)
|
|
assert self.pqp(q) == r
|
|
|
|
def test_escaped_colon(self):
|
|
q = r"test\:val"
|
|
r = (None, "test:val", dbcore.query.SubstringQuery)
|
|
assert self.pqp(q) == r
|
|
|
|
def test_escaped_colon_in_regexp(self):
|
|
q = r":test\:regexp"
|
|
r = (None, "test:regexp", dbcore.query.RegexpQuery)
|
|
assert self.pqp(q) == r
|
|
|
|
def test_single_year(self):
|
|
q = "year:1999"
|
|
r = ("year", "1999", dbcore.query.NumericQuery)
|
|
assert self.pqp(q) == r
|
|
|
|
def test_multiple_years(self):
|
|
q = "year:1999..2010"
|
|
r = ("year", "1999..2010", dbcore.query.NumericQuery)
|
|
assert self.pqp(q) == r
|
|
|
|
def test_empty_query_part(self):
|
|
q = ""
|
|
r = (None, "", dbcore.query.SubstringQuery)
|
|
assert self.pqp(q) == r
|
|
|
|
|
|
class QueryFromStringsTest(unittest.TestCase):
|
|
def qfs(self, strings):
|
|
return dbcore.queryparse.query_from_strings(
|
|
dbcore.query.AndQuery,
|
|
ModelFixture1,
|
|
{":": dbcore.query.RegexpQuery},
|
|
strings,
|
|
)
|
|
|
|
def test_zero_parts(self):
|
|
q = self.qfs([])
|
|
assert isinstance(q, dbcore.query.AndQuery)
|
|
assert len(q.subqueries) == 1
|
|
assert isinstance(q.subqueries[0], dbcore.query.TrueQuery)
|
|
|
|
def test_two_parts(self):
|
|
q = self.qfs(["foo", "bar:baz"])
|
|
assert isinstance(q, dbcore.query.AndQuery)
|
|
assert len(q.subqueries) == 2
|
|
assert isinstance(q.subqueries[0], dbcore.query.AnyFieldQuery)
|
|
assert isinstance(q.subqueries[1], dbcore.query.SubstringQuery)
|
|
|
|
def test_parse_fixed_type_query(self):
|
|
q = self.qfs(["field_one:2..3"])
|
|
assert isinstance(q.subqueries[0], dbcore.query.NumericQuery)
|
|
|
|
def test_parse_flex_type_query(self):
|
|
q = self.qfs(["some_float_field:2..3"])
|
|
assert isinstance(q.subqueries[0], dbcore.query.NumericQuery)
|
|
|
|
def test_empty_query_part(self):
|
|
q = self.qfs([""])
|
|
assert isinstance(q.subqueries[0], dbcore.query.TrueQuery)
|
|
|
|
|
|
class SortFromStringsTest(unittest.TestCase):
|
|
def sfs(self, strings):
|
|
return dbcore.queryparse.sort_from_strings(
|
|
ModelFixture1,
|
|
strings,
|
|
)
|
|
|
|
def test_zero_parts(self):
|
|
s = self.sfs([])
|
|
assert isinstance(s, dbcore.query.NullSort)
|
|
assert s == dbcore.query.NullSort()
|
|
|
|
def test_one_parts(self):
|
|
s = self.sfs(["field+"])
|
|
assert isinstance(s, dbcore.query.Sort)
|
|
|
|
def test_two_parts(self):
|
|
s = self.sfs(["field+", "another_field-"])
|
|
assert isinstance(s, dbcore.query.MultipleSort)
|
|
assert len(s.sorts) == 2
|
|
|
|
def test_fixed_field_sort(self):
|
|
s = self.sfs(["field_one+"])
|
|
assert isinstance(s, dbcore.query.FixedFieldSort)
|
|
assert s == dbcore.query.FixedFieldSort("field_one")
|
|
|
|
def test_flex_field_sort(self):
|
|
s = self.sfs(["flex_field+"])
|
|
assert isinstance(s, dbcore.query.SlowFieldSort)
|
|
assert s == dbcore.query.SlowFieldSort("flex_field")
|
|
|
|
def test_special_sort(self):
|
|
s = self.sfs(["some_sort+"])
|
|
assert isinstance(s, SortFixture)
|
|
|
|
|
|
class ParseSortedQueryTest(unittest.TestCase):
|
|
def psq(self, parts):
|
|
return dbcore.parse_sorted_query(
|
|
ModelFixture1,
|
|
parts.split(),
|
|
)
|
|
|
|
def test_and_query(self):
|
|
q, s = self.psq("foo bar")
|
|
assert isinstance(q, dbcore.query.AndQuery)
|
|
assert isinstance(s, dbcore.query.NullSort)
|
|
assert len(q.subqueries) == 2
|
|
|
|
def test_or_query(self):
|
|
q, s = self.psq("foo , bar")
|
|
assert isinstance(q, dbcore.query.OrQuery)
|
|
assert isinstance(s, dbcore.query.NullSort)
|
|
assert len(q.subqueries) == 2
|
|
|
|
def test_no_space_before_comma_or_query(self):
|
|
q, s = self.psq("foo, bar")
|
|
assert isinstance(q, dbcore.query.OrQuery)
|
|
assert isinstance(s, dbcore.query.NullSort)
|
|
assert len(q.subqueries) == 2
|
|
|
|
def test_no_spaces_or_query(self):
|
|
q, s = self.psq("foo,bar")
|
|
assert isinstance(q, dbcore.query.AndQuery)
|
|
assert isinstance(s, dbcore.query.NullSort)
|
|
assert len(q.subqueries) == 1
|
|
|
|
def test_trailing_comma_or_query(self):
|
|
q, s = self.psq("foo , bar ,")
|
|
assert isinstance(q, dbcore.query.OrQuery)
|
|
assert isinstance(s, dbcore.query.NullSort)
|
|
assert len(q.subqueries) == 3
|
|
|
|
def test_leading_comma_or_query(self):
|
|
q, s = self.psq(", foo , bar")
|
|
assert isinstance(q, dbcore.query.OrQuery)
|
|
assert isinstance(s, dbcore.query.NullSort)
|
|
assert len(q.subqueries) == 3
|
|
|
|
def test_only_direction(self):
|
|
q, s = self.psq("-")
|
|
assert isinstance(q, dbcore.query.AndQuery)
|
|
assert isinstance(s, dbcore.query.NullSort)
|
|
assert len(q.subqueries) == 1
|
|
|
|
|
|
class ResultsIteratorTest(unittest.TestCase):
|
|
def setUp(self):
|
|
self.db = DatabaseFixture1(":memory:")
|
|
model = ModelFixture1()
|
|
model["foo"] = "baz"
|
|
model.add(self.db)
|
|
model = ModelFixture1()
|
|
model["foo"] = "bar"
|
|
model.add(self.db)
|
|
|
|
def tearDown(self):
|
|
self.db._connection().close()
|
|
|
|
def test_iterate_once(self):
|
|
objs = self.db._fetch(ModelFixture1)
|
|
assert len(list(objs)) == 2
|
|
|
|
def test_iterate_twice(self):
|
|
objs = self.db._fetch(ModelFixture1)
|
|
list(objs)
|
|
assert len(list(objs)) == 2
|
|
|
|
def test_concurrent_iterators(self):
|
|
results = self.db._fetch(ModelFixture1)
|
|
it1 = iter(results)
|
|
it2 = iter(results)
|
|
next(it1)
|
|
list(it2)
|
|
assert len(list(it1)) == 1
|
|
|
|
def test_slow_query(self):
|
|
q = dbcore.query.SubstringQuery("foo", "ba", False)
|
|
objs = self.db._fetch(ModelFixture1, q)
|
|
assert len(list(objs)) == 2
|
|
|
|
def test_slow_query_negative(self):
|
|
q = dbcore.query.SubstringQuery("foo", "qux", False)
|
|
objs = self.db._fetch(ModelFixture1, q)
|
|
assert len(list(objs)) == 0
|
|
|
|
def test_iterate_slow_sort(self):
|
|
s = dbcore.query.SlowFieldSort("foo")
|
|
res = self.db._fetch(ModelFixture1, sort=s)
|
|
objs = list(res)
|
|
assert objs[0].foo == "bar"
|
|
assert objs[1].foo == "baz"
|
|
|
|
def test_unsorted_subscript(self):
|
|
objs = self.db._fetch(ModelFixture1)
|
|
assert objs[0].foo == "baz"
|
|
assert objs[1].foo == "bar"
|
|
|
|
def test_slow_sort_subscript(self):
|
|
s = dbcore.query.SlowFieldSort("foo")
|
|
objs = self.db._fetch(ModelFixture1, sort=s)
|
|
assert objs[0].foo == "bar"
|
|
assert objs[1].foo == "baz"
|
|
|
|
def test_length(self):
|
|
objs = self.db._fetch(ModelFixture1)
|
|
assert len(objs) == 2
|
|
|
|
def test_out_of_range(self):
|
|
objs = self.db._fetch(ModelFixture1)
|
|
with pytest.raises(IndexError):
|
|
objs[100]
|
|
|
|
def test_no_results(self):
|
|
assert (
|
|
self.db._fetch(ModelFixture1, dbcore.query.FalseQuery()).get()
|
|
is None
|
|
)
|