# This file is part of beets.
# Copyright 2016, Adrian Sampson.
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.

"""Tests for non-query database functions of Item.
"""

import os
import os.path
import re
import shutil
import stat
import sys
import time
import unicodedata
import unittest
from test import _common
from test._common import item
from test.helper import TestHelper

from mediafile import MediaFile, UnreadableFileError

import beets.dbcore.query
import beets.library
from beets import config, plugins, util
from beets.util import bytestring_path, syspath

# Shortcut to path normalization.
np = util.normpath


class LoadTest(_common.LibTestCase):
    def test_load_restores_data_from_db(self):
        original_title = self.i.title
        self.i.title = "something"
        self.i.load()
        self.assertEqual(original_title, self.i.title)

    def test_load_clears_dirty_flags(self):
        self.i.artist = "something"
        self.assertTrue("artist" in self.i._dirty)
        self.i.load()
        self.assertTrue("artist" not in self.i._dirty)


class StoreTest(_common.LibTestCase):
    def test_store_changes_database_value(self):
        self.i.year = 1987
        self.i.store()
        new_year = (
            self.lib._connection()
            .execute("select year from items where " 'title="the title"')
            .fetchone()["year"]
        )
        self.assertEqual(new_year, 1987)

    def test_store_only_writes_dirty_fields(self):
        original_genre = self.i.genre
        self.i._values_fixed["genre"] = "beatboxing"  # change w/o dirtying
        self.i.store()
        new_genre = (
            self.lib._connection()
            .execute("select genre from items where " 'title="the title"')
            .fetchone()["genre"]
        )
        self.assertEqual(new_genre, original_genre)

    def test_store_clears_dirty_flags(self):
        self.i.composer = "tvp"
        self.i.store()
        self.assertTrue("composer" not in self.i._dirty)

    def test_store_album_cascades_flex_deletes(self):
        album = _common.album()
        album.flex1 = "Flex-1"
        self.lib.add(album)
        item = _common.item()
        item.album_id = album.id
        item.flex1 = "Flex-1"
        self.lib.add(item)
        del album.flex1
        album.store()
        self.assertNotIn("flex1", album)
        self.assertNotIn("flex1", album.items()[0])


class AddTest(_common.TestCase):
    def setUp(self):
        super().setUp()
        self.lib = beets.library.Library(":memory:")
        self.i = item()

    def test_item_add_inserts_row(self):
        self.lib.add(self.i)
        new_grouping = (
            self.lib._connection()
            .execute(
                "select grouping from items " 'where composer="the composer"'
            )
            .fetchone()["grouping"]
        )
        self.assertEqual(new_grouping, self.i.grouping)

    def test_library_add_path_inserts_row(self):
        i = beets.library.Item.from_path(
            os.path.join(_common.RSRC, b"full.mp3")
        )
        self.lib.add(i)
        new_grouping = (
            self.lib._connection()
            .execute(
                "select grouping from items " 'where composer="the composer"'
            )
            .fetchone()["grouping"]
        )
        self.assertEqual(new_grouping, self.i.grouping)


class RemoveTest(_common.LibTestCase):
    def test_remove_deletes_from_db(self):
        self.i.remove()
        c = self.lib._connection().execute("select * from items")
        self.assertEqual(c.fetchone(), None)


class GetSetTest(_common.TestCase):
    def setUp(self):
        super().setUp()
        self.i = item()

    def test_set_changes_value(self):
        self.i.bpm = 4915
        self.assertEqual(self.i.bpm, 4915)

    def test_set_sets_dirty_flag(self):
        self.i.comp = not self.i.comp
        self.assertTrue("comp" in self.i._dirty)

    def test_set_does_not_dirty_if_value_unchanged(self):
        self.i.title = self.i.title
        self.assertTrue("title" not in self.i._dirty)

    def test_invalid_field_raises_attributeerror(self):
        self.assertRaises(AttributeError, getattr, self.i, "xyzzy")

    def test_album_fallback(self):
        # integration test of item-album fallback
        lib = beets.library.Library(":memory:")
        i = item(lib)
        album = lib.add_album([i])
        album["flex"] = "foo"
        album.store()

        self.assertTrue("flex" in i)
        self.assertFalse("flex" in i.keys(with_album=False))
        self.assertEqual(i["flex"], "foo")
        self.assertEqual(i.get("flex"), "foo")
        self.assertEqual(i.get("flex", with_album=False), None)
        self.assertEqual(i.get("flexx"), None)


class DestinationTest(_common.TestCase):
    def setUp(self):
        super().setUp()
        # default directory is ~/Music and the only reason why it was switched
        # to ~/.Music is to confirm that tests works well when path to
        # temporary directory contains .
        self.lib = beets.library.Library(":memory:", "~/.Music")
        self.i = item(self.lib)

    def tearDown(self):
        super().tearDown()
        self.lib._connection().close()

        # Reset config if it was changed in test cases
        config.clear()
        config.read(user=False, defaults=True)

    def test_directory_works_with_trailing_slash(self):
        self.lib.directory = b"one/"
        self.lib.path_formats = [("default", "two")]
        self.assertEqual(self.i.destination(), np("one/two"))

    def test_directory_works_without_trailing_slash(self):
        self.lib.directory = b"one"
        self.lib.path_formats = [("default", "two")]
        self.assertEqual(self.i.destination(), np("one/two"))

    def test_destination_substitutes_metadata_values(self):
        self.lib.directory = b"base"
        self.lib.path_formats = [("default", "$album/$artist $title")]
        self.i.title = "three"
        self.i.artist = "two"
        self.i.album = "one"
        self.assertEqual(self.i.destination(), np("base/one/two three"))

    def test_destination_preserves_extension(self):
        self.lib.directory = b"base"
        self.lib.path_formats = [("default", "$title")]
        self.i.path = "hey.audioformat"
        self.assertEqual(self.i.destination(), np("base/the title.audioformat"))

    def test_lower_case_extension(self):
        self.lib.directory = b"base"
        self.lib.path_formats = [("default", "$title")]
        self.i.path = "hey.MP3"
        self.assertEqual(self.i.destination(), np("base/the title.mp3"))

    def test_destination_pads_some_indices(self):
        self.lib.directory = b"base"
        self.lib.path_formats = [
            ("default", "$track $tracktotal $disc $disctotal $bpm")
        ]
        self.i.track = 1
        self.i.tracktotal = 2
        self.i.disc = 3
        self.i.disctotal = 4
        self.i.bpm = 5
        self.assertEqual(self.i.destination(), np("base/01 02 03 04 5"))

    def test_destination_pads_date_values(self):
        self.lib.directory = b"base"
        self.lib.path_formats = [("default", "$year-$month-$day")]
        self.i.year = 1
        self.i.month = 2
        self.i.day = 3
        self.assertEqual(self.i.destination(), np("base/0001-02-03"))

    def test_destination_escapes_slashes(self):
        self.i.album = "one/two"
        dest = self.i.destination()
        self.assertTrue(b"one" in dest)
        self.assertTrue(b"two" in dest)
        self.assertFalse(b"one/two" in dest)

    def test_destination_escapes_leading_dot(self):
        self.i.album = ".something"
        dest = self.i.destination()
        self.assertTrue(b"something" in dest)
        self.assertFalse(b"/.something" in dest)

    def test_destination_preserves_legitimate_slashes(self):
        self.i.artist = "one"
        self.i.album = "two"
        dest = self.i.destination()
        self.assertTrue(os.path.join(b"one", b"two") in dest)

    def test_destination_long_names_truncated(self):
        self.i.title = "X" * 300
        self.i.artist = "Y" * 300
        for c in self.i.destination().split(util.PATH_SEP):
            self.assertTrue(len(c) <= 255)

    def test_destination_long_names_keep_extension(self):
        self.i.title = "X" * 300
        self.i.path = b"something.extn"
        dest = self.i.destination()
        self.assertEqual(dest[-5:], b".extn")

    def test_distination_windows_removes_both_separators(self):
        self.i.title = "one \\ two / three.mp3"
        with _common.platform_windows():
            p = self.i.destination()
        self.assertFalse(b"one \\ two" in p)
        self.assertFalse(b"one / two" in p)
        self.assertFalse(b"two \\ three" in p)
        self.assertFalse(b"two / three" in p)

    def test_path_with_format(self):
        self.lib.path_formats = [("default", "$artist/$album ($format)")]
        p = self.i.destination()
        self.assertTrue(b"(FLAC)" in p)

    def test_heterogeneous_album_gets_single_directory(self):
        i1, i2 = item(), item()
        self.lib.add_album([i1, i2])
        i1.year, i2.year = 2009, 2010
        self.lib.path_formats = [("default", "$album ($year)/$track $title")]
        dest1, dest2 = i1.destination(), i2.destination()
        self.assertEqual(os.path.dirname(dest1), os.path.dirname(dest2))

    def test_default_path_for_non_compilations(self):
        self.i.comp = False
        self.lib.add_album([self.i])
        self.lib.directory = b"one"
        self.lib.path_formats = [("default", "two"), ("comp:true", "three")]
        self.assertEqual(self.i.destination(), np("one/two"))

    def test_singleton_path(self):
        i = item(self.lib)
        self.lib.directory = b"one"
        self.lib.path_formats = [
            ("default", "two"),
            ("singleton:true", "four"),
            ("comp:true", "three"),
        ]
        self.assertEqual(i.destination(), np("one/four"))

    def test_comp_before_singleton_path(self):
        i = item(self.lib)
        i.comp = True
        self.lib.directory = b"one"
        self.lib.path_formats = [
            ("default", "two"),
            ("comp:true", "three"),
            ("singleton:true", "four"),
        ]
        self.assertEqual(i.destination(), np("one/three"))

    def test_comp_path(self):
        self.i.comp = True
        self.lib.add_album([self.i])
        self.lib.directory = b"one"
        self.lib.path_formats = [
            ("default", "two"),
            ("comp:true", "three"),
        ]
        self.assertEqual(self.i.destination(), np("one/three"))

    def test_albumtype_query_path(self):
        self.i.comp = True
        self.lib.add_album([self.i])
        self.i.albumtype = "sometype"
        self.lib.directory = b"one"
        self.lib.path_formats = [
            ("default", "two"),
            ("albumtype:sometype", "four"),
            ("comp:true", "three"),
        ]
        self.assertEqual(self.i.destination(), np("one/four"))

    def test_albumtype_path_fallback_to_comp(self):
        self.i.comp = True
        self.lib.add_album([self.i])
        self.i.albumtype = "sometype"
        self.lib.directory = b"one"
        self.lib.path_formats = [
            ("default", "two"),
            ("albumtype:anothertype", "four"),
            ("comp:true", "three"),
        ]
        self.assertEqual(self.i.destination(), np("one/three"))

    def test_get_formatted_does_not_replace_separators(self):
        with _common.platform_posix():
            name = os.path.join("a", "b")
            self.i.title = name
            newname = self.i.formatted().get("title")
        self.assertEqual(name, newname)

    def test_get_formatted_pads_with_zero(self):
        with _common.platform_posix():
            self.i.track = 1
            name = self.i.formatted().get("track")
        self.assertTrue(name.startswith("0"))

    def test_get_formatted_uses_kbps_bitrate(self):
        with _common.platform_posix():
            self.i.bitrate = 12345
            val = self.i.formatted().get("bitrate")
        self.assertEqual(val, "12kbps")

    def test_get_formatted_uses_khz_samplerate(self):
        with _common.platform_posix():
            self.i.samplerate = 12345
            val = self.i.formatted().get("samplerate")
        self.assertEqual(val, "12kHz")

    def test_get_formatted_datetime(self):
        with _common.platform_posix():
            self.i.added = 1368302461.210265
            val = self.i.formatted().get("added")
        self.assertTrue(val.startswith("2013"))

    def test_get_formatted_none(self):
        with _common.platform_posix():
            self.i.some_other_field = None
            val = self.i.formatted().get("some_other_field")
        self.assertEqual(val, "")

    def test_artist_falls_back_to_albumartist(self):
        self.i.artist = ""
        self.i.albumartist = "something"
        self.lib.path_formats = [("default", "$artist")]
        p = self.i.destination()
        self.assertEqual(p.rsplit(util.PATH_SEP, 1)[1], b"something")

    def test_albumartist_falls_back_to_artist(self):
        self.i.artist = "trackartist"
        self.i.albumartist = ""
        self.lib.path_formats = [("default", "$albumartist")]
        p = self.i.destination()
        self.assertEqual(p.rsplit(util.PATH_SEP, 1)[1], b"trackartist")

    def test_artist_overrides_albumartist(self):
        self.i.artist = "theartist"
        self.i.albumartist = "something"
        self.lib.path_formats = [("default", "$artist")]
        p = self.i.destination()
        self.assertEqual(p.rsplit(util.PATH_SEP, 1)[1], b"theartist")

    def test_albumartist_overrides_artist(self):
        self.i.artist = "theartist"
        self.i.albumartist = "something"
        self.lib.path_formats = [("default", "$albumartist")]
        p = self.i.destination()
        self.assertEqual(p.rsplit(util.PATH_SEP, 1)[1], b"something")

    def test_unicode_normalized_nfd_on_mac(self):
        instr = unicodedata.normalize("NFC", "caf\xe9")
        self.lib.path_formats = [("default", instr)]
        dest = self.i.destination(platform="darwin", fragment=True)
        self.assertEqual(dest, unicodedata.normalize("NFD", instr))

    def test_unicode_normalized_nfc_on_linux(self):
        instr = unicodedata.normalize("NFD", "caf\xe9")
        self.lib.path_formats = [("default", instr)]
        dest = self.i.destination(platform="linux", fragment=True)
        self.assertEqual(dest, unicodedata.normalize("NFC", instr))

    def test_non_mbcs_characters_on_windows(self):
        oldfunc = sys.getfilesystemencoding
        sys.getfilesystemencoding = lambda: "mbcs"
        try:
            self.i.title = "h\u0259d"
            self.lib.path_formats = [("default", "$title")]
            p = self.i.destination()
            self.assertFalse(b"?" in p)
            # We use UTF-8 to encode Windows paths now.
            self.assertTrue("h\u0259d".encode() in p)
        finally:
            sys.getfilesystemencoding = oldfunc

    def test_unicode_extension_in_fragment(self):
        self.lib.path_formats = [("default", "foo")]
        self.i.path = util.bytestring_path("bar.caf\xe9")
        dest = self.i.destination(platform="linux", fragment=True)
        self.assertEqual(dest, "foo.caf\xe9")

    def test_asciify_and_replace(self):
        config["asciify_paths"] = True
        self.lib.replacements = [(re.compile('"'), "q")]
        self.lib.directory = b"lib"
        self.lib.path_formats = [("default", "$title")]
        self.i.title = "\u201c\u00f6\u2014\u00cf\u201d"
        self.assertEqual(self.i.destination(), np("lib/qo--Iq"))

    def test_asciify_character_expanding_to_slash(self):
        config["asciify_paths"] = True
        self.lib.directory = b"lib"
        self.lib.path_formats = [("default", "$title")]
        self.i.title = "ab\xa2\xbdd"
        self.assertEqual(self.i.destination(), np("lib/abC_ 1_2d"))

    def test_destination_with_replacements(self):
        self.lib.directory = b"base"
        self.lib.replacements = [(re.compile(r"a"), "e")]
        self.lib.path_formats = [("default", "$album/$title")]
        self.i.title = "foo"
        self.i.album = "bar"
        self.assertEqual(self.i.destination(), np("base/ber/foo"))

    def test_destination_with_replacements_argument(self):
        self.lib.directory = b"base"
        self.lib.replacements = [(re.compile(r"a"), "f")]
        self.lib.path_formats = [("default", "$album/$title")]
        self.i.title = "foo"
        self.i.album = "bar"
        replacements = [(re.compile(r"a"), "e")]
        self.assertEqual(
            self.i.destination(replacements=replacements), np("base/ber/foo")
        )

    @unittest.skip("unimplemented: #359")
    def test_destination_with_empty_component(self):
        self.lib.directory = b"base"
        self.lib.replacements = [(re.compile(r"^$"), "_")]
        self.lib.path_formats = [("default", "$album/$artist/$title")]
        self.i.title = "three"
        self.i.artist = ""
        self.i.albumartist = ""
        self.i.album = "one"
        self.assertEqual(self.i.destination(), np("base/one/_/three"))

    @unittest.skip("unimplemented: #359")
    def test_destination_with_empty_final_component(self):
        self.lib.directory = b"base"
        self.lib.replacements = [(re.compile(r"^$"), "_")]
        self.lib.path_formats = [("default", "$album/$title")]
        self.i.title = ""
        self.i.album = "one"
        self.i.path = "foo.mp3"
        self.assertEqual(self.i.destination(), np("base/one/_.mp3"))

    def test_legalize_path_one_for_one_replacement(self):
        # Use a replacement that should always replace the last X in any
        # path component with a Z.
        self.lib.replacements = [
            (re.compile(r"X$"), "Z"),
        ]

        # Construct an item whose untruncated path ends with a Y but whose
        # truncated version ends with an X.
        self.i.title = "X" * 300 + "Y"

        # The final path should reflect the replacement.
        dest = self.i.destination()
        self.assertEqual(dest[-2:], b"XZ")

    def test_legalize_path_one_for_many_replacement(self):
        # Use a replacement that should always replace the last X in any
        # path component with four Zs.
        self.lib.replacements = [
            (re.compile(r"X$"), "ZZZZ"),
        ]

        # Construct an item whose untruncated path ends with a Y but whose
        # truncated version ends with an X.
        self.i.title = "X" * 300 + "Y"

        # The final path should ignore the user replacement and create a path
        # of the correct length, containing Xs.
        dest = self.i.destination()
        self.assertEqual(dest[-2:], b"XX")

    def test_album_field_query(self):
        self.lib.directory = b"one"
        self.lib.path_formats = [("default", "two"), ("flex:foo", "three")]
        album = self.lib.add_album([self.i])
        self.assertEqual(self.i.destination(), np("one/two"))
        album["flex"] = "foo"
        album.store()
        self.assertEqual(self.i.destination(), np("one/three"))

    def test_album_field_in_template(self):
        self.lib.directory = b"one"
        self.lib.path_formats = [("default", "$flex/two")]
        album = self.lib.add_album([self.i])
        album["flex"] = "foo"
        album.store()
        self.assertEqual(self.i.destination(), np("one/foo/two"))


class ItemFormattedMappingTest(_common.LibTestCase):
    def test_formatted_item_value(self):
        formatted = self.i.formatted()
        self.assertEqual(formatted["artist"], "the artist")

    def test_get_unset_field(self):
        formatted = self.i.formatted()
        with self.assertRaises(KeyError):
            formatted["other_field"]

    def test_get_method_with_default(self):
        formatted = self.i.formatted()
        self.assertEqual(formatted.get("other_field"), "")

    def test_get_method_with_specified_default(self):
        formatted = self.i.formatted()
        self.assertEqual(formatted.get("other_field", "default"), "default")

    def test_item_precedence(self):
        album = self.lib.add_album([self.i])
        album["artist"] = "foo"
        album.store()
        self.assertNotEqual("foo", self.i.formatted().get("artist"))

    def test_album_flex_field(self):
        album = self.lib.add_album([self.i])
        album["flex"] = "foo"
        album.store()
        self.assertEqual("foo", self.i.formatted().get("flex"))

    def test_album_field_overrides_item_field_for_path(self):
        # Make the album inconsistent with the item.
        album = self.lib.add_album([self.i])
        album.album = "foo"
        album.store()
        self.i.album = "bar"
        self.i.store()

        # Ensure the album takes precedence.
        formatted = self.i.formatted(for_path=True)
        self.assertEqual(formatted["album"], "foo")

    def test_artist_falls_back_to_albumartist(self):
        self.i.artist = ""
        formatted = self.i.formatted()
        self.assertEqual(formatted["artist"], "the album artist")

    def test_albumartist_falls_back_to_artist(self):
        self.i.albumartist = ""
        formatted = self.i.formatted()
        self.assertEqual(formatted["albumartist"], "the artist")

    def test_both_artist_and_albumartist_empty(self):
        self.i.artist = ""
        self.i.albumartist = ""
        formatted = self.i.formatted()
        self.assertEqual(formatted["albumartist"], "")


class PathFormattingMixin:
    """Utilities for testing path formatting."""

    def _setf(self, fmt):
        self.lib.path_formats.insert(0, ("default", fmt))

    def _assert_dest(self, dest, i=None):
        if i is None:
            i = self.i
        with _common.platform_posix():
            actual = i.destination()
        self.assertEqual(actual, dest)


class DestinationFunctionTest(_common.TestCase, PathFormattingMixin):
    def setUp(self):
        super().setUp()
        self.lib = beets.library.Library(":memory:")
        self.lib.directory = b"/base"
        self.lib.path_formats = [("default", "path")]
        self.i = item(self.lib)

    def tearDown(self):
        super().tearDown()
        self.lib._connection().close()

    def test_upper_case_literal(self):
        self._setf("%upper{foo}")
        self._assert_dest(b"/base/FOO")

    def test_upper_case_variable(self):
        self._setf("%upper{$title}")
        self._assert_dest(b"/base/THE TITLE")

    def test_title_case_variable(self):
        self._setf("%title{$title}")
        self._assert_dest(b"/base/The Title")

    def test_title_case_variable_aphostrophe(self):
        self._setf("%title{I can't}")
        self._assert_dest(b"/base/I Can't")

    def test_asciify_variable(self):
        self._setf("%asciify{ab\xa2\xbdd}")
        self._assert_dest(b"/base/abC_ 1_2d")

    def test_left_variable(self):
        self._setf("%left{$title, 3}")
        self._assert_dest(b"/base/the")

    def test_right_variable(self):
        self._setf("%right{$title,3}")
        self._assert_dest(b"/base/tle")

    def test_if_false(self):
        self._setf("x%if{,foo}")
        self._assert_dest(b"/base/x")

    def test_if_false_value(self):
        self._setf("x%if{false,foo}")
        self._assert_dest(b"/base/x")

    def test_if_true(self):
        self._setf("%if{bar,foo}")
        self._assert_dest(b"/base/foo")

    def test_if_else_false(self):
        self._setf("%if{,foo,baz}")
        self._assert_dest(b"/base/baz")

    def test_if_else_false_value(self):
        self._setf("%if{false,foo,baz}")
        self._assert_dest(b"/base/baz")

    def test_if_int_value(self):
        self._setf("%if{0,foo,baz}")
        self._assert_dest(b"/base/baz")

    def test_nonexistent_function(self):
        self._setf("%foo{bar}")
        self._assert_dest(b"/base/%foo{bar}")

    def test_if_def_field_return_self(self):
        self.i.bar = 3
        self._setf("%ifdef{bar}")
        self._assert_dest(b"/base/3")

    def test_if_def_field_not_defined(self):
        self._setf(" %ifdef{bar}/$artist")
        self._assert_dest(b"/base/the artist")

    def test_if_def_field_not_defined_2(self):
        self._setf("$artist/%ifdef{bar}")
        self._assert_dest(b"/base/the artist")

    def test_if_def_true(self):
        self._setf("%ifdef{artist,cool}")
        self._assert_dest(b"/base/cool")

    def test_if_def_true_complete(self):
        self.i.series = "Now"
        self._setf("%ifdef{series,$series Series,Albums}/$album")
        self._assert_dest(b"/base/Now Series/the album")

    def test_if_def_false_complete(self):
        self._setf("%ifdef{plays,$plays,not_played}")
        self._assert_dest(b"/base/not_played")

    def test_first(self):
        self.i.genres = "Pop; Rock; Classical Crossover"
        self._setf("%first{$genres}")
        self._assert_dest(b"/base/Pop")

    def test_first_skip(self):
        self.i.genres = "Pop; Rock; Classical Crossover"
        self._setf("%first{$genres,1,2}")
        self._assert_dest(b"/base/Classical Crossover")

    def test_first_different_sep(self):
        self._setf("%first{Alice / Bob / Eve,2,0, / , & }")
        self._assert_dest(b"/base/Alice & Bob")


class DisambiguationTest(_common.TestCase, PathFormattingMixin):
    def setUp(self):
        super().setUp()
        self.lib = beets.library.Library(":memory:")
        self.lib.directory = b"/base"
        self.lib.path_formats = [("default", "path")]

        self.i1 = item()
        self.i1.year = 2001
        self.lib.add_album([self.i1])
        self.i2 = item()
        self.i2.year = 2002
        self.lib.add_album([self.i2])
        self.lib._connection().commit()

        self._setf("foo%aunique{albumartist album,year}/$title")

    def tearDown(self):
        super().tearDown()
        self.lib._connection().close()

    def test_unique_expands_to_disambiguating_year(self):
        self._assert_dest(b"/base/foo [2001]/the title", self.i1)

    def test_unique_with_default_arguments_uses_albumtype(self):
        album2 = self.lib.get_album(self.i1)
        album2.albumtype = "bar"
        album2.store()
        self._setf("foo%aunique{}/$title")
        self._assert_dest(b"/base/foo [bar]/the title", self.i1)

    def test_unique_expands_to_nothing_for_distinct_albums(self):
        album2 = self.lib.get_album(self.i2)
        album2.album = "different album"
        album2.store()

        self._assert_dest(b"/base/foo/the title", self.i1)

    def test_use_fallback_numbers_when_identical(self):
        album2 = self.lib.get_album(self.i2)
        album2.year = 2001
        album2.store()

        self._assert_dest(b"/base/foo [1]/the title", self.i1)
        self._assert_dest(b"/base/foo [2]/the title", self.i2)

    def test_unique_falls_back_to_second_distinguishing_field(self):
        self._setf("foo%aunique{albumartist album,month year}/$title")
        self._assert_dest(b"/base/foo [2001]/the title", self.i1)

    def test_unique_sanitized(self):
        album2 = self.lib.get_album(self.i2)
        album2.year = 2001
        album1 = self.lib.get_album(self.i1)
        album1.albumtype = "foo/bar"
        album2.store()
        album1.store()
        self._setf("foo%aunique{albumartist album,albumtype}/$title")
        self._assert_dest(b"/base/foo [foo_bar]/the title", self.i1)

    def test_drop_empty_disambig_string(self):
        album1 = self.lib.get_album(self.i1)
        album1.albumdisambig = None
        album2 = self.lib.get_album(self.i2)
        album2.albumdisambig = "foo"
        album1.store()
        album2.store()
        self._setf("foo%aunique{albumartist album,albumdisambig}/$title")
        self._assert_dest(b"/base/foo/the title", self.i1)

    def test_change_brackets(self):
        self._setf("foo%aunique{albumartist album,year,()}/$title")
        self._assert_dest(b"/base/foo (2001)/the title", self.i1)

    def test_remove_brackets(self):
        self._setf("foo%aunique{albumartist album,year,}/$title")
        self._assert_dest(b"/base/foo 2001/the title", self.i1)

    def test_key_flexible_attribute(self):
        album1 = self.lib.get_album(self.i1)
        album1.flex = "flex1"
        album2 = self.lib.get_album(self.i2)
        album2.flex = "flex2"
        album1.store()
        album2.store()
        self._setf("foo%aunique{albumartist album flex,year}/$title")
        self._assert_dest(b"/base/foo/the title", self.i1)


class SingletonDisambiguationTest(_common.TestCase, PathFormattingMixin):
    def setUp(self):
        super().setUp()
        self.lib = beets.library.Library(":memory:")
        self.lib.directory = b"/base"
        self.lib.path_formats = [("default", "path")]

        self.i1 = item()
        self.i1.year = 2001
        self.lib.add(self.i1)
        self.i2 = item()
        self.i2.year = 2002
        self.lib.add(self.i2)
        self.lib._connection().commit()

        self._setf("foo/$title%sunique{artist title,year}")

    def tearDown(self):
        super().tearDown()
        self.lib._connection().close()

    def test_sunique_expands_to_disambiguating_year(self):
        self._assert_dest(b"/base/foo/the title [2001]", self.i1)

    def test_sunique_with_default_arguments_uses_trackdisambig(self):
        self.i1.trackdisambig = "live version"
        self.i1.year = self.i2.year
        self.i1.store()
        self._setf("foo/$title%sunique{}")
        self._assert_dest(b"/base/foo/the title [live version]", self.i1)

    def test_sunique_expands_to_nothing_for_distinct_singletons(self):
        self.i2.title = "different track"
        self.i2.store()

        self._assert_dest(b"/base/foo/the title", self.i1)

    def test_sunique_does_not_match_album(self):
        self.lib.add_album([self.i2])
        self._assert_dest(b"/base/foo/the title", self.i1)

    def test_sunique_use_fallback_numbers_when_identical(self):
        self.i2.year = self.i1.year
        self.i2.store()

        self._assert_dest(b"/base/foo/the title [1]", self.i1)
        self._assert_dest(b"/base/foo/the title [2]", self.i2)

    def test_sunique_falls_back_to_second_distinguishing_field(self):
        self._setf("foo/$title%sunique{albumartist album,month year}")
        self._assert_dest(b"/base/foo/the title [2001]", self.i1)

    def test_sunique_sanitized(self):
        self.i2.year = self.i1.year
        self.i1.trackdisambig = "foo/bar"
        self.i2.store()
        self.i1.store()
        self._setf("foo/$title%sunique{artist title,trackdisambig}")
        self._assert_dest(b"/base/foo/the title [foo_bar]", self.i1)

    def test_drop_empty_disambig_string(self):
        self.i1.trackdisambig = None
        self.i2.trackdisambig = "foo"
        self.i1.store()
        self.i2.store()
        self._setf("foo/$title%sunique{albumartist album,trackdisambig}")
        self._assert_dest(b"/base/foo/the title", self.i1)

    def test_change_brackets(self):
        self._setf("foo/$title%sunique{artist title,year,()}")
        self._assert_dest(b"/base/foo/the title (2001)", self.i1)

    def test_remove_brackets(self):
        self._setf("foo/$title%sunique{artist title,year,}")
        self._assert_dest(b"/base/foo/the title 2001", self.i1)

    def test_key_flexible_attribute(self):
        self.i1.flex = "flex1"
        self.i2.flex = "flex2"
        self.i1.store()
        self.i2.store()
        self._setf("foo/$title%sunique{artist title flex,year}")
        self._assert_dest(b"/base/foo/the title", self.i1)


class PluginDestinationTest(_common.TestCase):
    def setUp(self):
        super().setUp()

        # Mock beets.plugins.item_field_getters.
        self._tv_map = {}

        def field_getters():
            getters = {}
            for key, value in self._tv_map.items():
                getters[key] = lambda _: value
            return getters

        self.old_field_getters = plugins.item_field_getters
        plugins.item_field_getters = field_getters

        self.lib = beets.library.Library(":memory:")
        self.lib.directory = b"/base"
        self.lib.path_formats = [("default", "$artist $foo")]
        self.i = item(self.lib)

    def tearDown(self):
        super().tearDown()
        plugins.item_field_getters = self.old_field_getters

    def _assert_dest(self, dest):
        with _common.platform_posix():
            the_dest = self.i.destination()
        self.assertEqual(the_dest, b"/base/" + dest)

    def test_undefined_value_not_substituted(self):
        self._assert_dest(b"the artist $foo")

    def test_plugin_value_not_substituted(self):
        self._tv_map = {
            "foo": "bar",
        }
        self._assert_dest(b"the artist bar")

    def test_plugin_value_overrides_attribute(self):
        self._tv_map = {
            "artist": "bar",
        }
        self._assert_dest(b"bar $foo")

    def test_plugin_value_sanitized(self):
        self._tv_map = {
            "foo": "bar/baz",
        }
        self._assert_dest(b"the artist bar_baz")


class AlbumInfoTest(_common.TestCase):
    def setUp(self):
        super().setUp()
        self.lib = beets.library.Library(":memory:")
        self.i = item()
        self.lib.add_album((self.i,))

    def test_albuminfo_reflects_metadata(self):
        ai = self.lib.get_album(self.i)
        self.assertEqual(ai.mb_albumartistid, self.i.mb_albumartistid)
        self.assertEqual(ai.albumartist, self.i.albumartist)
        self.assertEqual(ai.album, self.i.album)
        self.assertEqual(ai.year, self.i.year)

    def test_albuminfo_stores_art(self):
        ai = self.lib.get_album(self.i)
        ai.artpath = "/my/great/art"
        ai.store()
        new_ai = self.lib.get_album(self.i)
        self.assertEqual(new_ai.artpath, b"/my/great/art")

    def test_albuminfo_for_two_items_doesnt_duplicate_row(self):
        i2 = item(self.lib)
        self.lib.get_album(self.i)
        self.lib.get_album(i2)

        c = self.lib._connection().cursor()
        c.execute("select * from albums where album=?", (self.i.album,))
        # Cursor should only return one row.
        self.assertNotEqual(c.fetchone(), None)
        self.assertEqual(c.fetchone(), None)

    def test_individual_tracks_have_no_albuminfo(self):
        i2 = item()
        i2.album = "aTotallyDifferentAlbum"
        self.lib.add(i2)
        ai = self.lib.get_album(i2)
        self.assertEqual(ai, None)

    def test_get_album_by_id(self):
        ai = self.lib.get_album(self.i)
        ai = self.lib.get_album(self.i.id)
        self.assertNotEqual(ai, None)

    def test_album_items_consistent(self):
        ai = self.lib.get_album(self.i)
        for i in ai.items():
            if i.id == self.i.id:
                break
        else:
            self.fail("item not found")

    def test_albuminfo_changes_affect_items(self):
        ai = self.lib.get_album(self.i)
        ai.album = "myNewAlbum"
        ai.store()
        i = self.lib.items()[0]
        self.assertEqual(i.album, "myNewAlbum")

    def test_albuminfo_change_albumartist_changes_items(self):
        ai = self.lib.get_album(self.i)
        ai.albumartist = "myNewArtist"
        ai.store()
        i = self.lib.items()[0]
        self.assertEqual(i.albumartist, "myNewArtist")
        self.assertNotEqual(i.artist, "myNewArtist")

    def test_albuminfo_change_artist_does_change_items(self):
        ai = self.lib.get_album(self.i)
        ai.artist = "myNewArtist"
        ai.store(inherit=True)
        i = self.lib.items()[0]
        self.assertEqual(i.artist, "myNewArtist")

    def test_albuminfo_change_artist_does_not_change_items(self):
        ai = self.lib.get_album(self.i)
        ai.artist = "myNewArtist"
        ai.store(inherit=False)
        i = self.lib.items()[0]
        self.assertNotEqual(i.artist, "myNewArtist")

    def test_albuminfo_remove_removes_items(self):
        item_id = self.i.id
        self.lib.get_album(self.i).remove()
        c = self.lib._connection().execute(
            "SELECT id FROM items WHERE id=?", (item_id,)
        )
        self.assertEqual(c.fetchone(), None)

    def test_removing_last_item_removes_album(self):
        self.assertEqual(len(self.lib.albums()), 1)
        self.i.remove()
        self.assertEqual(len(self.lib.albums()), 0)

    def test_noop_albuminfo_changes_affect_items(self):
        i = self.lib.items()[0]
        i.album = "foobar"
        i.store()
        ai = self.lib.get_album(self.i)
        ai.album = ai.album
        ai.store()
        i = self.lib.items()[0]
        self.assertEqual(i.album, ai.album)


class ArtDestinationTest(_common.TestCase):
    def setUp(self):
        super().setUp()
        config["art_filename"] = "artimage"
        config["replace"] = {"X": "Y"}
        self.lib = beets.library.Library(
            ":memory:", replacements=[(re.compile("X"), "Y")]
        )
        self.i = item(self.lib)
        self.i.path = self.i.destination()
        self.ai = self.lib.add_album((self.i,))

    def test_art_filename_respects_setting(self):
        art = self.ai.art_destination("something.jpg")
        new_art = bytestring_path("%sartimage.jpg" % os.path.sep)
        self.assertTrue(new_art in art)

    def test_art_path_in_item_dir(self):
        art = self.ai.art_destination("something.jpg")
        track = self.i.destination()
        self.assertEqual(os.path.dirname(art), os.path.dirname(track))

    def test_art_path_sanitized(self):
        config["art_filename"] = "artXimage"
        art = self.ai.art_destination("something.jpg")
        self.assertTrue(b"artYimage" in art)


class PathStringTest(_common.TestCase):
    def setUp(self):
        super().setUp()
        self.lib = beets.library.Library(":memory:")
        self.i = item(self.lib)

    def test_item_path_is_bytestring(self):
        self.assertTrue(isinstance(self.i.path, bytes))

    def test_fetched_item_path_is_bytestring(self):
        i = list(self.lib.items())[0]
        self.assertTrue(isinstance(i.path, bytes))

    def test_unicode_path_becomes_bytestring(self):
        self.i.path = "unicodepath"
        self.assertTrue(isinstance(self.i.path, bytes))

    def test_unicode_in_database_becomes_bytestring(self):
        self.lib._connection().execute(
            """
        update items set path=? where id=?
        """,
            (self.i.id, "somepath"),
        )
        i = list(self.lib.items())[0]
        self.assertTrue(isinstance(i.path, bytes))

    def test_special_chars_preserved_in_database(self):
        path = "b\xe1r".encode()
        self.i.path = path
        self.i.store()
        i = list(self.lib.items())[0]
        self.assertEqual(i.path, path)

    def test_special_char_path_added_to_database(self):
        self.i.remove()
        path = "b\xe1r".encode()
        i = item()
        i.path = path
        self.lib.add(i)
        i = list(self.lib.items())[0]
        self.assertEqual(i.path, path)

    def test_destination_returns_bytestring(self):
        self.i.artist = "b\xe1r"
        dest = self.i.destination()
        self.assertTrue(isinstance(dest, bytes))

    def test_art_destination_returns_bytestring(self):
        self.i.artist = "b\xe1r"
        alb = self.lib.add_album([self.i])
        dest = alb.art_destination("image.jpg")
        self.assertTrue(isinstance(dest, bytes))

    def test_artpath_stores_special_chars(self):
        path = b"b\xe1r"
        alb = self.lib.add_album([self.i])
        alb.artpath = path
        alb.store()
        alb = self.lib.get_album(self.i)
        self.assertEqual(path, alb.artpath)

    def test_sanitize_path_with_special_chars(self):
        path = "b\xe1r?"
        new_path = util.sanitize_path(path)
        self.assertTrue(new_path.startswith("b\xe1r"))

    def test_sanitize_path_returns_unicode(self):
        path = "b\xe1r?"
        new_path = util.sanitize_path(path)
        self.assertTrue(isinstance(new_path, str))

    def test_unicode_artpath_becomes_bytestring(self):
        alb = self.lib.add_album([self.i])
        alb.artpath = "somep\xe1th"
        self.assertTrue(isinstance(alb.artpath, bytes))

    def test_unicode_artpath_in_database_decoded(self):
        alb = self.lib.add_album([self.i])
        self.lib._connection().execute(
            "update albums set artpath=? where id=?", ("somep\xe1th", alb.id)
        )
        alb = self.lib.get_album(alb.id)
        self.assertTrue(isinstance(alb.artpath, bytes))


class MtimeTest(_common.TestCase):
    def setUp(self):
        super().setUp()
        self.ipath = os.path.join(self.temp_dir, b"testfile.mp3")
        shutil.copy(
            syspath(os.path.join(_common.RSRC, b"full.mp3")),
            syspath(self.ipath),
        )
        self.i = beets.library.Item.from_path(self.ipath)
        self.lib = beets.library.Library(":memory:")
        self.lib.add(self.i)

    def tearDown(self):
        super().tearDown()
        if os.path.exists(self.ipath):
            os.remove(self.ipath)

    def _mtime(self):
        return int(os.path.getmtime(self.ipath))

    def test_mtime_initially_up_to_date(self):
        self.assertGreaterEqual(self.i.mtime, self._mtime())

    def test_mtime_reset_on_db_modify(self):
        self.i.title = "something else"
        self.assertLess(self.i.mtime, self._mtime())

    def test_mtime_up_to_date_after_write(self):
        self.i.title = "something else"
        self.i.write()
        self.assertGreaterEqual(self.i.mtime, self._mtime())

    def test_mtime_up_to_date_after_read(self):
        self.i.title = "something else"
        self.i.read()
        self.assertGreaterEqual(self.i.mtime, self._mtime())


class ImportTimeTest(_common.TestCase):
    def setUp(self):
        super().setUp()
        self.lib = beets.library.Library(":memory:")

    def added(self):
        self.track = item()
        self.album = self.lib.add_album((self.track,))
        self.assertGreater(self.album.added, 0)
        self.assertGreater(self.track.added, 0)

    def test_atime_for_singleton(self):
        self.singleton = item(self.lib)
        self.assertGreater(self.singleton.added, 0)


class TemplateTest(_common.LibTestCase):
    def test_year_formatted_in_template(self):
        self.i.year = 123
        self.i.store()
        self.assertEqual(self.i.evaluate_template("$year"), "0123")

    def test_album_flexattr_appears_in_item_template(self):
        self.album = self.lib.add_album([self.i])
        self.album.foo = "baz"
        self.album.store()
        self.assertEqual(self.i.evaluate_template("$foo"), "baz")

    def test_album_and_item_format(self):
        config["format_album"] = "foö $foo"
        album = beets.library.Album()
        album.foo = "bar"
        album.tagada = "togodo"
        self.assertEqual(f"{album}", "foö bar")
        self.assertEqual(f"{album:$tagada}", "togodo")
        self.assertEqual(str(album), "foö bar")
        self.assertEqual(bytes(album), b"fo\xc3\xb6 bar")

        config["format_item"] = "bar $foo"
        item = beets.library.Item()
        item.foo = "bar"
        item.tagada = "togodo"
        self.assertEqual(f"{item}", "bar bar")
        self.assertEqual(f"{item:$tagada}", "togodo")


class UnicodePathTest(_common.LibTestCase):
    def test_unicode_path(self):
        self.i.path = os.path.join(_common.RSRC, "unicode\u2019d.mp3".encode())
        # If there are any problems with unicode paths, we will raise
        # here and fail.
        self.i.read()
        self.i.write()


class WriteTest(unittest.TestCase, TestHelper):
    def setUp(self):
        self.setup_beets()

    def tearDown(self):
        self.teardown_beets()

    def test_write_nonexistant(self):
        item = self.create_item()
        item.path = b"/path/does/not/exist"
        with self.assertRaises(beets.library.ReadError):
            item.write()

    def test_no_write_permission(self):
        item = self.add_item_fixture()
        path = syspath(item.path)
        os.chmod(path, stat.S_IRUSR)

        try:
            self.assertRaises(beets.library.WriteError, item.write)

        finally:
            # Restore write permissions so the file can be cleaned up.
            os.chmod(path, stat.S_IRUSR | stat.S_IWUSR)

    def test_write_with_custom_path(self):
        item = self.add_item_fixture()
        custom_path = os.path.join(self.temp_dir, b"custom.mp3")
        shutil.copy(syspath(item.path), syspath(custom_path))

        item["artist"] = "new artist"
        self.assertNotEqual(
            MediaFile(syspath(custom_path)).artist, "new artist"
        )
        self.assertNotEqual(MediaFile(syspath(item.path)).artist, "new artist")

        item.write(custom_path)
        self.assertEqual(MediaFile(syspath(custom_path)).artist, "new artist")
        self.assertNotEqual(MediaFile(syspath(item.path)).artist, "new artist")

    def test_write_custom_tags(self):
        item = self.add_item_fixture(artist="old artist")
        item.write(tags={"artist": "new artist"})
        self.assertNotEqual(item.artist, "new artist")
        self.assertEqual(MediaFile(syspath(item.path)).artist, "new artist")

    def test_write_multi_tags(self):
        item = self.add_item_fixture(artist="old artist")
        item.write(tags={"artists": ["old artist", "another artist"]})

        self.assertEqual(
            MediaFile(syspath(item.path)).artists,
            ["old artist", "another artist"],
        )

    def test_write_multi_tags_id3v23(self):
        item = self.add_item_fixture(artist="old artist")
        item.write(
            tags={"artists": ["old artist", "another artist"]}, id3v23=True
        )

        self.assertEqual(
            MediaFile(syspath(item.path)).artists, ["old artist/another artist"]
        )

    def test_write_date_field(self):
        # Since `date` is not a MediaField, this should do nothing.
        item = self.add_item_fixture()
        clean_year = item.year
        item.date = "foo"
        item.write()
        self.assertEqual(MediaFile(syspath(item.path)).year, clean_year)


class ItemReadTest(unittest.TestCase):
    def test_unreadable_raise_read_error(self):
        unreadable = os.path.join(_common.RSRC, b"image-2x3.png")
        item = beets.library.Item()
        with self.assertRaises(beets.library.ReadError) as cm:
            item.read(unreadable)
        self.assertIsInstance(cm.exception.reason, UnreadableFileError)

    def test_nonexistent_raise_read_error(self):
        item = beets.library.Item()
        with self.assertRaises(beets.library.ReadError):
            item.read("/thisfiledoesnotexist")


class FilesizeTest(unittest.TestCase, TestHelper):
    def setUp(self):
        self.setup_beets()

    def tearDown(self):
        self.teardown_beets()

    def test_filesize(self):
        item = self.add_item_fixture()
        self.assertNotEqual(item.filesize, 0)

    def test_nonexistent_file(self):
        item = beets.library.Item()
        self.assertEqual(item.filesize, 0)


class ParseQueryTest(unittest.TestCase):
    def test_parse_invalid_query_string(self):
        with self.assertRaises(beets.dbcore.InvalidQueryError) as raised:
            beets.library.parse_query_string('foo"', None)
        self.assertIsInstance(raised.exception, beets.dbcore.query.ParsingError)

    def test_parse_bytes(self):
        with self.assertRaises(AssertionError):
            beets.library.parse_query_string(b"query", None)


class LibraryFieldTypesTest(unittest.TestCase):
    """Test format() and parse() for library-specific field types"""

    def test_datetype(self):
        t = beets.library.DateType()

        # format
        time_format = beets.config["time_format"].as_str()
        time_local = time.strftime(time_format, time.localtime(123456789))
        self.assertEqual(time_local, t.format(123456789))
        # parse
        self.assertEqual(123456789.0, t.parse(time_local))
        self.assertEqual(123456789.0, t.parse("123456789.0"))
        self.assertEqual(t.null, t.parse("not123456789.0"))
        self.assertEqual(t.null, t.parse("1973-11-29"))

    def test_pathtype(self):
        t = beets.library.PathType()

        # format
        self.assertEqual("/tmp", t.format("/tmp"))
        self.assertEqual("/tmp/\xe4lbum", t.format("/tmp/\u00e4lbum"))
        # parse
        self.assertEqual(np(b"/tmp"), t.parse("/tmp"))
        self.assertEqual(np(b"/tmp/\xc3\xa4lbum"), t.parse("/tmp/\u00e4lbum/"))

    def test_musicalkey(self):
        t = beets.library.MusicalKey()

        # parse
        self.assertEqual("C#m", t.parse("c#m"))
        self.assertEqual("Gm", t.parse("g   minor"))
        self.assertEqual("Not c#m", t.parse("not C#m"))

    def test_durationtype(self):
        t = beets.library.DurationType()

        # format
        self.assertEqual("1:01", t.format(61.23))
        self.assertEqual("60:01", t.format(3601.23))
        self.assertEqual("0:00", t.format(None))
        # parse
        self.assertEqual(61.0, t.parse("1:01"))
        self.assertEqual(61.23, t.parse("61.23"))
        self.assertEqual(3601.0, t.parse("60:01"))
        self.assertEqual(t.null, t.parse("1:00:01"))
        self.assertEqual(t.null, t.parse("not61.23"))
        # config format_raw_length
        beets.config["format_raw_length"] = True
        self.assertEqual(61.23, t.format(61.23))
        self.assertEqual(3601.23, t.format(3601.23))


def suite():
    return unittest.TestLoader().loadTestsFromName(__name__)


if __name__ == "__main__":
    unittest.main(defaultTest="suite")