openlp/tests/functional/openlp_plugins/songs/test_db.py

# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4

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# OpenLP - Open Source Lyrics Projection                                      #
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# Copyright (c) 2008-2018 OpenLP Developers                                   #
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"""
This module contains tests for the db submodule of the Songs plugin.
"""
import os
import shutil
from tempfile import mkdtemp
from unittest import TestCase

from openlp.core.lib.db import upgrade_db
from openlp.plugins.songs.lib import upgrade
from openlp.plugins.songs.lib.db import Author, AuthorType, Book, Song
from tests.utils.constants import TEST_RESOURCES_PATH


class TestDB(TestCase):
    """
    Test the functions in the :mod:`db` module.
    """

    def setUp(self):
        """
        Setup for tests
        """
        self.tmp_folder = mkdtemp()

    def tearDown(self):
        """
        Clean up after tests
        """
        # Ignore errors since windows can have problems with locked files
        shutil.rmtree(self.tmp_folder, ignore_errors=True)

    def test_add_author(self):
        """
        Test adding an author to a song
        """
        # GIVEN: A song and an author
        song = Song()
        song.authors_songs = []
        author = Author()
        author.first_name = "Max"
        author.last_name = "Mustermann"

        # WHEN: We add an author to the song
        song.add_author(author)

        # THEN: The author should have been added with author_type=None
        assert 1 == len(song.authors_songs)
        assert "Max" == song.authors_songs[0].author.first_name
        assert "Mustermann" == song.authors_songs[0].author.last_name
        assert song.authors_songs[0].author_type is None

    def test_add_author_with_type(self):
        """
        Test adding an author with a type specified to a song
        """
        # GIVEN: A song and an author
        song = Song()
        song.authors_songs = []
        author = Author()
        author.first_name = "Max"
        author.last_name = "Mustermann"

        # WHEN: We add an author to the song
        song.add_author(author, AuthorType.Words)

        # THEN: The author should have been added with author_type=None
        assert 1 == len(song.authors_songs)
        assert "Max" == song.authors_songs[0].author.first_name
        assert "Mustermann" == song.authors_songs[0].author.last_name
        assert AuthorType.Words == song.authors_songs[0].author_type

    def test_remove_author(self):
        """
        Test removing an author from a song
        """
        # GIVEN: A song with an author
        song = Song()
        song.authors_songs = []
        author = Author()
        song.add_author(author)

        # WHEN: We remove the author
        song.remove_author(author)

        # THEN: It should have been removed
        assert 0 == len(song.authors_songs)

    def test_remove_author_with_type(self):
        """
        Test removing an author with a type specified from a song
        """
        # GIVEN: A song with two authors
        song = Song()
        song.authors_songs = []
        author = Author()
        song.add_author(author)
        song.add_author(author, AuthorType.Translation)

        # WHEN: We remove the author with a certain type
        song.remove_author(author, AuthorType.Translation)

        # THEN: It should have been removed and the other author should still be there
        assert 1 == len(song.authors_songs)
        assert song.authors_songs[0].author_type is None

    def test_get_author_type_from_translated_text(self):
        """
        Test getting an author type from translated text
        """
        # GIVEN: A string with an author type
        author_type_name = AuthorType.Types[AuthorType.Words]

        # WHEN: We call the method
        author_type = AuthorType.from_translated_text(author_type_name)

        # THEN: The type should be correct
        assert author_type == AuthorType.Words

    def test_author_get_display_name(self):
        """
        Test that the display name of an author is correct
        """
        # GIVEN: An author
        author = Author()
        author.display_name = "John Doe"

        # WHEN: We call the get_display_name() function
        display_name = author.get_display_name()

        # THEN: It should return only the name
        assert "John Doe" == display_name

    def test_author_get_display_name_with_type_words(self):
        """
        Test that the display name of an author with a type is correct (Words)
        """
        # GIVEN: An author
        author = Author()
        author.display_name = "John Doe"

        # WHEN: We call the get_display_name() function
        display_name = author.get_display_name(AuthorType.Words)

        # THEN: It should return the name with the type in brackets
        assert "John Doe (Words)" == display_name

    def test_author_get_display_name_with_type_translation(self):
        """
        Test that the display name of an author with a type is correct (Translation)
        """
        # GIVEN: An author
        author = Author()
        author.display_name = "John Doe"

        # WHEN: We call the get_display_name() function
        display_name = author.get_display_name(AuthorType.Translation)

        # THEN: It should return the name with the type in brackets
        assert "John Doe (Translation)" == display_name

    def test_add_songbooks(self):
        """
        Test that adding songbooks to a song works correctly
        """
        # GIVEN: A mocked song and songbook
        song = Song()
        song.songbook_entries = []
        songbook = Book()
        songbook.name = "Thy Word"

        # WHEN: We add two songbooks to a Song
        song.add_songbook_entry(songbook, "120")
        song.add_songbook_entry(songbook, "550A")

        # THEN: The song should have two songbook entries
        assert len(song.songbook_entries) == 2, 'There should be two Songbook entries.'

    def test_upgrade_old_song_db(self):
        """
        Test that we can upgrade an old song db to the current schema
        """
        # GIVEN: An old song db
        old_db_path = os.path.join(TEST_RESOURCES_PATH, "songs", 'songs-1.9.7.sqlite')
        old_db_tmp_path = os.path.join(self.tmp_folder, 'songs-1.9.7.sqlite')
        shutil.copyfile(old_db_path, old_db_tmp_path)
        db_url = 'sqlite:///' + old_db_tmp_path

        # WHEN: upgrading the db
        updated_to_version, latest_version = upgrade_db(db_url, upgrade)

        # THEN: the song db should have been upgraded to the latest version
        assert updated_to_version == latest_version, 'The song DB should have been upgrade to the latest version'

    def test_upgrade_invalid_song_db(self):
        """
        Test that we can upgrade an invalid song db to the current schema
        """
        # GIVEN: A song db with invalid version
        invalid_db_path = os.path.join(TEST_RESOURCES_PATH, "songs", 'songs-2.2-invalid.sqlite')
        invalid_db_tmp_path = os.path.join(self.tmp_folder, 'songs-2.2-invalid.sqlite')
        shutil.copyfile(invalid_db_path, invalid_db_tmp_path)
        db_url = 'sqlite:///' + invalid_db_tmp_path

        # WHEN: upgrading the db
        updated_to_version, latest_version = upgrade_db(db_url, upgrade)

        # THEN: the song db should have been upgraded to the latest version without errors
        assert updated_to_version == latest_version, 'The song DB should have been upgrade to the latest version'