db: Add a Playlists Table
This inherits from our base playlist Table class, and implements functions for creating and renaming playlists. Additionally, the Playlist object allows for setting a custom image to display as an icon in the sidebar. Finally, I add in a custom sqlite3 adapter and converter to support pathlib.Path types in the database. Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>
This commit is contained in:
parent
8a9c90a7ff
commit
d57509425b
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@ -2,8 +2,10 @@
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"""Easily work with our underlying sqlite3 database."""
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import pathlib
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from gi.repository import GObject
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from typing import Generator
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from . import connection
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from . import playlist
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from . import playlists
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from . import settings
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from . import table
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@ -26,16 +28,31 @@ class Connection(connection.Connection):
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self._sql.executescript(f.read())
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self.settings = settings.Table(self)
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self.playlists = playlists.Table(self)
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def close(self) -> None:
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"""Close the database connection."""
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self.settings.stop()
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for tbl in self.playlist_tables():
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tbl.stop()
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super().close()
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def filter(self, glob: str) -> None:
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"""Filter the playlist tables."""
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for tbl in self.playlist_tables():
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tbl.filter(glob)
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def load(self) -> None:
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"""Load the database tables."""
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self.settings.load()
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for tbl in self.playlist_tables():
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tbl.load()
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def playlist_tables(self) -> Generator[playlist.Table, None, None]:
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"""Iterate over each playlist table."""
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for tbl in [self.playlists]:
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yield tbl
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def set_active_playlist(self, plist: playlist.Playlist) -> None:
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"""Set the currently active playlist."""
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@ -1,5 +1,6 @@
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# Copyright 2022 (c) Anna Schumaker
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"""Easily work with our underlying sqlite3 database."""
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import pathlib
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import sqlite3
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import sys
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from gi.repository import GObject
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@ -10,6 +11,20 @@ DATA_FILE = gsetup.DATA_DIR / f"emmental{gsetup.DEBUG_STR}.sqlite3"
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DATABASE = ":memory:" if "unittest" in sys.modules else DATA_FILE
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def adapt_path(path: pathlib.Path) -> str:
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"""Adapt a pathlib.Path into a sqlite3 string."""
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return str(path)
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def convert_path(path: bytes) -> pathlib.Path:
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"""Convert a path string into a pathlib.Path object."""
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return pathlib.Path(path.decode())
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sqlite3.register_adapter(pathlib.PosixPath, adapt_path)
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sqlite3.register_converter("path", convert_path)
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class Connection(GObject.GObject):
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"""Connect to the database."""
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@ -35,3 +35,52 @@ CREATE TRIGGER playlists_active_trigger
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SET active = FALSE
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WHERE propertyid != NEW.propertyid AND active == TRUE;
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END;
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/*******************************************
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* *
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* User and System Playlists *
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* *
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*******************************************/
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CREATE TABLE playlists (
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playlistid INTEGER PRIMARY KEY,
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propertyid INTEGER REFERENCES playlist_properties(propertyid)
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ON DELETE CASCADE
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ON UPDATE CASCADE,
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name TEXT NOT NULL UNIQUE COLLATE NOCASE,
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image PATH
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);
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CREATE VIEW playlists_view AS
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SELECT playlistid, propertyid, name, image, active
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FROM playlists
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JOIN playlist_properties USING (propertyid);
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CREATE TRIGGER playlists_insert_trigger AFTER INSERT ON playlists
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BEGIN
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INSERT INTO playlist_properties (active)
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VALUES (NEW.name == "Collection");
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UPDATE playlists SET propertyid = last_insert_rowid()
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WHERE playlistid = NEW.playlistid;
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END;
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CREATE TRIGGER playlists_delete_trigger AFTER DELETE ON playlists
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BEGIN
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DELETE FROM playlist_properties WHERE propertyid = OLD.propertyid;
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END;
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/******************************************
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* *
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* Create Default Playlists *
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* *
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******************************************/
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INSERT INTO playlists (name) VALUES
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("Collection"),
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("Favorite Tracks"),
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("Most Played Tracks"),
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("New Tracks"),
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("Previous Tracks"),
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("Queued Tracks"),
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("Unplayed Tracks");
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91
emmental/db/playlists.py
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91
emmental/db/playlists.py
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@ -0,0 +1,91 @@
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# Copyright 2022 (c) Anna Schumaker
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"""A custom Gio.ListModel for working with playlists."""
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import sqlite3
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from gi.repository import GObject
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from . import playlist
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class Playlist(playlist.Playlist):
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"""Our custom Playlist with an image filepath."""
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playlistid = GObject.Property(type=int)
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image = GObject.Property(type=GObject.TYPE_PYOBJECT)
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def rename(self, new_name: str) -> bool:
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"""Rename this playlist."""
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return self.table.rename(self, new_name)
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@property
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def primary_key(self) -> int:
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"""Get the playlist primary key."""
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return self.playlistid
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class Table(playlist.Table):
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"""Our Playlist Table."""
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collection = GObject.Property(type=Playlist)
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favorites = GObject.Property(type=Playlist)
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most_played = GObject.Property(type=Playlist)
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new_tracks = GObject.Property(type=Playlist)
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previous = GObject.Property(type=Playlist)
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queued = GObject.Property(type=Playlist)
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unplayed = GObject.Property(type=Playlist)
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def do_construct(self, **kwargs) -> Playlist:
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"""Construct a new playlist."""
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match (plist := Playlist(**kwargs)).name:
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case "Collection": self.collection = plist
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case "Favorite Tracks": self.favorites = plist
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case "Most Played Tracks": self.most_played = plist
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case "New Tracks": self.new_tracks = plist
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case "Previous Tracks": self.previous = plist
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case "Queued Tracks": self.queued = plist
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case "Unplayed Tracks": self.unplayed = plist
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return plist
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def do_sql_delete(self, playlist: Playlist) -> sqlite3.Cursor:
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"""Delete a playlist."""
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return self.sql("DELETE FROM playlists WHERE playlistid=?",
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playlist.playlistid)
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def do_sql_glob(self, glob: str) -> sqlite3.Cursor:
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"""Search for playlists matching the search text."""
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return self.sql("""SELECT playlistid FROM playlists
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WHERE CASEFOLD(name) GLOB ?""", glob)
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def do_sql_insert(self, name: str, **kwargs) -> sqlite3.Cursor | None:
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"""Insert a new playlist into the database."""
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if (cur := self.sql("INSERT INTO playlists (name) VALUES (?)", name)):
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return self.sql("SELECT * FROM playlists_view WHERE playlistid=?",
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cur.lastrowid)
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def do_sql_select_all(self) -> sqlite3.Cursor:
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"""Load playlists from the database."""
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return self.sql("SELECT * FROM playlists_view")
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def do_sql_select_one(self, name: str) -> sqlite3.Cursor:
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"""Look up a playlist by name."""
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return self.sql("SELECT playlistid FROM playlists WHERE name=?", name)
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def do_sql_update(self, playlist: Playlist,
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column: str, newval) -> sqlite3.Cursor:
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"""Update a playlist."""
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return self.sql(f"UPDATE playlists SET {column}=? WHERE playlistid=?",
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newval, playlist.playlistid)
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def create(self, name: str) -> Playlist:
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"""Create a new Playlist."""
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if len(name := name.strip()) > 0:
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return super().create(name)
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def rename(self, playlist: Playlist, new_name: str) -> bool:
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"""Rename a Playlist."""
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if len(new_name := new_name.strip()) > 0:
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if playlist.name != new_name:
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if self.update(playlist, "name", new_name):
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self.store.remove(playlist)
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playlist.name = new_name
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self.store.append(playlist)
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return True
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return False
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@ -1,5 +1,6 @@
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# Copyright 2022 (c) Anna Schumaker
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"""Test our custom db Connection object."""
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import pathlib
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import sqlite3
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import emmental.db.connection
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import unittest
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@ -78,6 +79,14 @@ class TestConnection(unittest.TestCase):
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self.assertEqual(tuple(rows[3]), (4, "d"))
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self.assertEqual(tuple(rows[4]), (5, "e"))
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def test_path_column(self):
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"""Test that the PATH column type has been set up."""
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self.sql("CREATE TABLE test (path PATH)")
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self.sql("INSERT INTO test VALUES (?)", pathlib.Path("/my/test/path"))
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row = self.sql("SELECT path FROM test").fetchone()
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self.assertIsInstance(row["path"], pathlib.Path)
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self.assertEqual(row["path"], pathlib.Path("/my/test/path"))
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def test_transaction(self):
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"""Test that we can manually start a transaction."""
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self.assertFalse(self.sql._sql.in_transaction)
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@ -26,16 +26,24 @@ class TestConnection(tests.util.TestCase):
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def test_close(self):
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"""Check closing the connection."""
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self.sql.settings.queue.running = True
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for tbl in self.sql.playlist_tables():
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tbl.queue.running = True
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self.sql.close()
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self.assertFalse(self.sql.connected)
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self.assertFalse(self.sql.settings.queue.running)
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for tbl in self.sql.playlist_tables():
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self.assertFalse(tbl.queue.running)
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self.sql.close()
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def test_tables(self):
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"""Check that the connection has pointers to our tables."""
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self.assertIsInstance(self.sql.settings, emmental.db.settings.Table)
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self.assertIsInstance(self.sql.playlists, emmental.db.playlists.Table)
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self.assertListEqual([tbl for tbl in self.sql.playlist_tables()],
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[self.sql.playlists])
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def test_load(self):
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"""Check that calling load() loads the tables."""
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@ -44,11 +52,26 @@ class TestConnection(tests.util.TestCase):
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self.sql.load()
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self.assertTrue(self.sql.settings.loaded)
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for tbl in self.sql.playlist_tables():
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self.assertFalse(tbl.loaded)
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for tbl in self.sql.playlist_tables():
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tbl.queue.complete()
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self.assertTrue(tbl.loaded)
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tables = [tbl for tbl in self.sql.playlist_tables()]
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calls = [unittest.mock.call(self.sql, tbl)
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for tbl in [self.sql.settings]]
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for tbl in [self.sql.settings] + tables]
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table_loaded.assert_has_calls(calls)
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def test_filter(self):
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"""Check filtering the playlist tables."""
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for tbl in self.sql.playlist_tables():
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tbl.filter = unittest.mock.Mock()
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self.sql.filter("*glob*")
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for tbl in self.sql.playlist_tables():
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tbl.filter.assert_called_with("*glob*")
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def test_set_active_playlist(self):
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"""Check setting the active playlist."""
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table = tests.util.playlist.MockTable(self.sql)
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259
tests/db/test_playlists.py
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259
tests/db/test_playlists.py
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# Copyright 2022 (c) Anna Schumaker
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"""Tests our playlist Gio.ListModel."""
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import pathlib
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import unittest.mock
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import emmental.db
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import tests.util
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class TestPlaylistObject(tests.util.TestCase):
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"""Tests our playlist object."""
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def setUp(self):
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"""Set up common variables."""
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super().setUp()
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self.table = self.sql.playlists
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self.playlist = emmental.db.playlists.Playlist(table=self.table,
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playlistid=12345,
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propertyid=67890,
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name="Test Playlist")
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def test_init(self):
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"""Test that the Playlist is set up properly."""
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self.assertIsInstance(self.playlist, emmental.db.playlist.Playlist)
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self.assertEqual(self.playlist.table, self.table)
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self.assertEqual(self.playlist.propertyid, 67890)
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self.assertEqual(self.playlist.playlistid, 12345)
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self.assertEqual(self.playlist.primary_key, 12345)
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self.assertEqual(self.playlist.name, "Test Playlist")
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self.assertIsNone(self.playlist.image)
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self.assertIsNone(self.playlist.parent)
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def test_image_path(self):
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"""Test the image-path property."""
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path = pathlib.Path("/a/b/c.jpg")
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playlist = emmental.db.playlists.Playlist(table=self.table,
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playlistid=1, propertyid=1,
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image=path, name="Test")
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self.assertEqual(playlist.image, path)
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def test_rename(self):
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"""Test the rename() function."""
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with unittest.mock.patch.object(self.table, "rename",
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return_value=True) as mock_rename:
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self.assertTrue(self.playlist.rename("New Name"))
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mock_rename.assert_called_with(self.playlist, "New Name")
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class TestPlaylistTable(tests.util.TestCase):
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"""Tests our playlist table."""
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def setUp(self):
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"""Set up common variables."""
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super().setUp()
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self.sql("DELETE FROM playlists")
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self.table = self.sql.playlists
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def test_init(self):
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"""Test that the playlist model is configured correctly."""
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self.assertIsInstance(self.table, emmental.db.playlist.Table)
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self.assertEqual(len(self.table), 0)
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self.assertIsNone(self.table.collection)
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self.assertIsNone(self.table.favorites)
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self.assertIsNone(self.table.most_played)
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self.assertIsNone(self.table.new_tracks)
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self.assertIsNone(self.table.previous)
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self.assertIsNone(self.table.queued)
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self.assertIsNone(self.table.unplayed)
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def test_construct(self):
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"""Test constructing a playlist."""
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playlist = self.table.construct(playlistid=1, propertyid=1,
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name="Test Playlist")
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self.assertIsInstance(playlist, emmental.db.playlists.Playlist)
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self.assertEqual(playlist.table, self.table)
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self.assertEqual(playlist.propertyid, 1)
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self.assertEqual(playlist.playlistid, 1)
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self.assertEqual(playlist.name, "Test Playlist")
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self.assertIsNone(playlist.image)
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def test_create(self):
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"""Test creating a playlist."""
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playlist = self.table.create(" Test Playlist ")
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self.assertIsInstance(playlist, emmental.db.playlists.Playlist)
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self.assertEqual(playlist.name, "Test Playlist")
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self.assertIsNone(playlist.image)
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cur = self.sql("SELECT COUNT(name) FROM playlists")
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self.assertEqual(cur.fetchone()["COUNT(name)"], 1)
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self.assertEqual(len(self.table), 1)
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self.assertEqual(self.table.get_item(0), playlist)
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cur = self.sql("SELECT COUNT(*) FROM playlist_properties")
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self.assertEqual(cur.fetchone()["COUNT(*)"], 1)
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for name in ["", " ", "Test Playlist", "test playlist"]:
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self.assertIsNone(self.table.create(name))
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self.assertEqual(len(self.table), 1)
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cur = self.sql("SELECT COUNT(rowid) FROM playlists")
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self.assertEqual(cur.fetchone()["COUNT(rowid)"], 1)
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def test_delete(self):
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"""Test deleting a playlist."""
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playlist = self.table.create("Test Playlist")
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self.assertTrue(playlist.delete())
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self.assertIsNone(self.table.index(playlist))
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cur = self.sql("SELECT COUNT(name) FROM playlists")
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self.assertEqual(cur.fetchone()["COUNT(name)"], 0)
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self.assertEqual(len(self.table), 0)
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self.assertIsNone(self.table.get_item(0))
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cur = self.sql("SELECT COUNT(*) FROM playlist_properties")
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self.assertEqual(cur.fetchone()["COUNT(*)"], 0)
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self.assertFalse(playlist.delete())
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def test_filter(self):
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"""Test filtering the playlist model."""
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self.table.create("Playlist 1")
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self.table.create("Playlist 2")
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self.table.filter("*1", now=True)
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self.assertSetEqual(self.table.get_filter().keys, {1})
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self.table.filter("playlist*", now=True)
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self.assertSetEqual(self.table.get_filter().keys, {1, 2})
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def test_load(self):
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"""Test loading playlists from the database."""
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self.table.create("Playlist 1").image = tests.util.COVER_JPG
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self.table.create("Playlist 2")
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playlists2 = emmental.db.playlists.Table(self.sql)
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playlists2.load(now=True)
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self.assertEqual(len(playlists2), 2)
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self.assertEqual(playlists2[0].name, "Playlist 1")
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self.assertEqual(playlists2[0].image, tests.util.COVER_JPG)
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self.assertEqual(playlists2[1].name, "Playlist 2")
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self.assertIsNone(playlists2[1].image)
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def test_lookup(self):
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"""Test looking up a playlist."""
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playlist = self.table.create("Test Playlist")
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self.assertEqual(self.table.lookup("Test Playlist"), playlist)
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self.assertEqual(self.table.lookup("test playlist"), playlist)
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self.assertIsNone(self.table.lookup("No Playlist"))
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def test_rename(self):
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"""Test renaming a playlist."""
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playlist = self.table.create("Test Playlist")
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self.table.store.append = unittest.mock.Mock()
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self.table.store.remove = unittest.mock.Mock()
|
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self.assertTrue(playlist.rename(" New Name "))
|
||||
self.assertEqual(playlist.name, "New Name")
|
||||
self.table.store.remove.assert_called_with(playlist)
|
||||
self.table.store.append.assert_called_with(playlist)
|
||||
|
||||
rows = self.sql("SELECT name FROM playlists").fetchall()
|
||||
self.assertEqual(len(rows), 1)
|
||||
self.assertEqual(rows[0]["name"], "New Name")
|
||||
|
||||
self.table.create("Other Name")
|
||||
self.assertFalse(playlist.rename("New Name"))
|
||||
self.assertFalse(playlist.rename("Other Name"))
|
||||
|
||||
def test_update(self):
|
||||
"""Test updating playlist properties."""
|
||||
playlist = self.table.create("Test Playlist")
|
||||
playlist.image = tests.util.COVER_JPG
|
||||
playlist.active = True
|
||||
|
||||
cur = self.sql("""SELECT image, active FROM playlists_view
|
||||
WHERE playlistid=?""", playlist.playlistid)
|
||||
row = cur.fetchone()
|
||||
self.assertEqual(row["image"], tests.util.COVER_JPG)
|
||||
self.assertTrue(row["active"])
|
||||
|
||||
|
||||
class TestSystemPlaylists(tests.util.TestCase):
|
||||
"""Tests our system playlists."""
|
||||
|
||||
def setUp(self):
|
||||
"""Set up common variables."""
|
||||
super().setUp()
|
||||
self.table = self.sql.playlists
|
||||
self.table.load(now=True)
|
||||
|
||||
def test_collection(self):
|
||||
"""Test the Collection playlist."""
|
||||
self.assertIsInstance(self.table.collection,
|
||||
emmental.db.playlists.Playlist)
|
||||
self.assertEqual(self.table.collection.name, "Collection")
|
||||
self.assertTrue(self.table.collection.active)
|
||||
|
||||
self.assertEqual(self.table.lookup("Collection"),
|
||||
self.table.collection)
|
||||
|
||||
def test_favorites(self):
|
||||
"""Test the favorite tracks playlist."""
|
||||
self.assertIsInstance(self.table.favorites,
|
||||
emmental.db.playlists.Playlist)
|
||||
self.assertEqual(self.table.favorites.name, "Favorite Tracks")
|
||||
self.assertFalse(self.table.favorites.active)
|
||||
|
||||
self.assertEqual(self.table.lookup("Favorite Tracks"),
|
||||
self.table.favorites)
|
||||
|
||||
def test_most_played(self):
|
||||
"""Test the most-played tracks playlist."""
|
||||
self.assertIsInstance(self.table.most_played,
|
||||
emmental.db.playlists.Playlist)
|
||||
self.assertEqual(self.table.most_played.name, "Most Played Tracks")
|
||||
self.assertFalse(self.table.most_played.active)
|
||||
|
||||
self.assertEqual(self.table.lookup("Most Played Tracks"),
|
||||
self.table.most_played)
|
||||
|
||||
def test_new_tracks(self):
|
||||
"""Test the new tracks playlist."""
|
||||
self.assertIsInstance(self.table.new_tracks,
|
||||
emmental.db.playlists.Playlist)
|
||||
self.assertEqual(self.table.new_tracks.name, "New Tracks")
|
||||
self.assertFalse(self.table.new_tracks.active)
|
||||
|
||||
self.assertEqual(self.table.lookup("New Tracks"),
|
||||
self.table.new_tracks)
|
||||
|
||||
def test_previous(self):
|
||||
"""Test the previous tracks playlist."""
|
||||
self.assertIsInstance(self.table.previous,
|
||||
emmental.db.playlists.Playlist)
|
||||
self.assertEqual(self.table.previous.name, "Previous Tracks")
|
||||
self.assertFalse(self.table.previous.active)
|
||||
|
||||
self.assertEqual(self.table.lookup("Previous Tracks"),
|
||||
self.table.previous)
|
||||
|
||||
def test_queued(self):
|
||||
"""Test the queued tracks playlist."""
|
||||
self.assertIsInstance(self.table.queued,
|
||||
emmental.db.playlists.Playlist)
|
||||
self.assertEqual(self.table.queued.name, "Queued Tracks")
|
||||
self.assertFalse(self.table.queued.active)
|
||||
|
||||
self.assertEqual(self.table.lookup("Queued Tracks"),
|
||||
self.table.queued)
|
||||
|
||||
def test_unplayed(self):
|
||||
"""Test the unplayed tracks playlist."""
|
||||
self.assertIsInstance(self.table.unplayed,
|
||||
emmental.db.playlists.Playlist)
|
||||
self.assertEqual(self.table.unplayed.name, "Unplayed Tracks")
|
||||
self.assertFalse(self.table.unplayed.active)
|
||||
|
||||
self.assertEqual(self.table.lookup("Unplayed Tracks"),
|
||||
self.table.unplayed)
|
||||
Loading…
Reference in New Issue
Block a user