How to use expect_download method in Playwright Python

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test_download.py

Source:test_download.py

...39async def test_should_report_downloads_with_accept_downloads_false(page: Page, server):40    await page.set_content(41        f'<a href="{server.PREFIX}/downloadWithFilename">download</a>'42    )43    async with page.expect_download() as download_info:44        await page.click("a")45    download = await download_info.value46    assert download.url == f"{server.PREFIX}/downloadWithFilename"47    assert download.suggested_filename == "file.txt"48    error: Optional[Error] = None49    try:50        await download.path()51    except Error as exc:52        error = exc53    assert "accept_downloads" in await download.failure()54    assert error55    assert "accept_downloads: True" in error.message56async def test_should_report_downloads_with_accept_downloads_true(browser, server):57    page = await browser.new_page(accept_downloads=True)58    await page.set_content(f'<a href="{server.PREFIX}/download">download</a>')59    async with page.expect_download() as download_info:60        await page.click("a")61    download = await download_info.value62    path = await download.path()63    assert os.path.isfile(path)64    assert_file_content(path, "Hello world")65    await page.close()66async def test_should_save_to_user_specified_path(tmpdir: Path, browser, server):67    page = await browser.new_page(accept_downloads=True)68    await page.set_content(f'<a href="{server.PREFIX}/download">download</a>')69    async with page.expect_download() as download_info:70        await page.click("a")71    download = await download_info.value72    user_path = tmpdir / "download.txt"73    await download.save_as(user_path)74    assert user_path.exists()75    assert user_path.read_text("utf-8") == "Hello world"76    await page.close()77async def test_should_save_to_user_specified_path_without_updating_original_path(78    tmpdir, browser, server79):80    page = await browser.new_page(accept_downloads=True)81    await page.set_content(f'<a href="{server.PREFIX}/download">download</a>')82    async with page.expect_download() as download_info:83        await page.click("a")84    download = await download_info.value85    user_path = tmpdir / "download.txt"86    await download.save_as(user_path)87    assert user_path.exists()88    assert user_path.read_text("utf-8") == "Hello world"89    originalPath = Path(await download.path())90    assert originalPath.exists()91    assert originalPath.read_text("utf-8") == "Hello world"92    await page.close()93async def test_should_save_to_two_different_paths_with_multiple_save_as_calls(94    tmpdir, browser, server95):96    page = await browser.new_page(accept_downloads=True)97    await page.set_content(f'<a href="{server.PREFIX}/download">download</a>')98    async with page.expect_download() as download_info:99        await page.click("a")100    download = await download_info.value101    user_path = tmpdir / "download.txt"102    await download.save_as(user_path)103    assert user_path.exists()104    assert user_path.read_text("utf-8") == "Hello world"105    anotheruser_path = tmpdir / "download (2).txt"106    await download.save_as(anotheruser_path)107    assert anotheruser_path.exists()108    assert anotheruser_path.read_text("utf-8") == "Hello world"109    await page.close()110async def test_should_save_to_overwritten_filepath(tmpdir: Path, browser, server):111    page = await browser.new_page(accept_downloads=True)112    await page.set_content(f'<a href="{server.PREFIX}/download">download</a>')113    async with page.expect_download() as download_info:114        await page.click("a")115    download = await download_info.value116    user_path = tmpdir / "download.txt"117    await download.save_as(user_path)118    assert len(list(Path(tmpdir).glob("*.*"))) == 1119    await download.save_as(user_path)120    assert len(list(Path(tmpdir).glob("*.*"))) == 1121    assert user_path.exists()122    assert user_path.read_text("utf-8") == "Hello world"123    await page.close()124async def test_should_create_subdirectories_when_saving_to_non_existent_user_specified_path(125    tmpdir, browser, server126):127    page = await browser.new_page(accept_downloads=True)128    await page.set_content(f'<a href="{server.PREFIX}/download">download</a>')129    async with page.expect_download() as download_info:130        await page.click("a")131    download = await download_info.value132    nested_path = tmpdir / "these" / "are" / "directories" / "download.txt"133    await download.save_as(nested_path)134    assert nested_path.exists()135    assert nested_path.read_text("utf-8") == "Hello world"136    await page.close()137async def test_should_error_when_saving_with_downloads_disabled(138    tmpdir, browser, server139):140    page = await browser.new_page(accept_downloads=False)141    await page.set_content(f'<a href="{server.PREFIX}/download">download</a>')142    async with page.expect_download() as download_info:143        await page.click("a")144    download = await download_info.value145    user_path = tmpdir / "download.txt"146    with pytest.raises(Error) as exc:147        await download.save_as(user_path)148    assert (149        "Pass { accept_downloads: True } when you are creating your browser context"150        in exc.value.message151    )152    await page.close()153async def test_should_error_when_saving_after_deletion(tmpdir, browser, server):154    page = await browser.new_page(accept_downloads=True)155    await page.set_content(f'<a href="{server.PREFIX}/download">download</a>')156    async with page.expect_download() as download_info:157        await page.click("a")158    download = await download_info.value159    user_path = tmpdir / "download.txt"160    await download.delete()161    with pytest.raises(Error) as exc:162        await download.save_as(user_path)163    assert "Download already deleted. Save before deleting." in exc.value.message164    await page.close()165async def test_should_report_non_navigation_downloads(browser, server):166    # Mac WebKit embedder does not download in this case, although Safari does.167    def handle_download(request):168        request.setHeader("Content-Type", "application/octet-stream")169        request.write(b"Hello world")170        request.finish()171    server.set_route("/download", handle_download)172    page = await browser.new_page(accept_downloads=True)173    await page.goto(server.EMPTY_PAGE)174    await page.set_content(175        f'<a download="file.txt" href="{server.PREFIX}/download">download</a>'176    )177    async with page.expect_download() as download_info:178        await page.click("a")179    download = await download_info.value180    assert download.suggested_filename == "file.txt"181    path = await download.path()182    assert os.path.exists(path)183    assert_file_content(path, "Hello world")184    await page.close()185async def test_report_download_path_within_page_on_download_handler_for_files(186    browser: Browser, server187):188    page = await browser.new_page(accept_downloads=True)189    on_download_path: Future[str] = asyncio.Future()190    async def on_download(download):191        on_download_path.set_result(await download.path())192    page.once(193        "download",194        lambda res: asyncio.create_task(on_download(res)),195    )196    await page.set_content(f'<a href="{server.PREFIX}/download">download</a>')197    await page.click("a")198    path = await on_download_path199    assert_file_content(path, "Hello world")200    await page.close()201async def test_download_report_download_path_within_page_on_handle_for_blobs(202    browser, server203):204    page = await browser.new_page(accept_downloads=True)205    on_download_path = asyncio.Future()206    async def on_download(download):207        on_download_path.set_result(await download.path())208    page.once(209        "download",210        lambda res: asyncio.create_task(on_download(res)),211    )212    await page.goto(server.PREFIX + "/download-blob.html")213    await page.click("a")214    path = await on_download_path215    assert_file_content(path, "Hello world")216    await page.close()217@pytest.mark.only_browser("chromium")218async def test_should_report_alt_click_downloads(browser, server):219    # Firefox does not download on alt-click by default.220    # Our WebKit embedder does not download on alt-click, although Safari does.221    def handle_download(request):222        request.setHeader("Content-Type", "application/octet-stream")223        request.write(b"Hello world")224        request.finish()225    server.set_route("/download", handle_download)226    page = await browser.new_page(accept_downloads=True)227    await page.goto(server.EMPTY_PAGE)228    await page.set_content(f'<a href="{server.PREFIX}/download">download</a>')229    async with page.expect_download() as download_info:230        await page.click("a", modifiers=["Alt"])231    download = await download_info.value232    path = await download.path()233    assert os.path.exists(path)234    assert_file_content(path, "Hello world")235    await page.close()236async def test_should_report_new_window_downloads(browser, server):237    # TODO: - the test fails in headful Chromium as the popup page gets closed along238    # with the session before download completed event arrives.239    # - WebKit doesn't close the popup page240    page = await browser.new_page(accept_downloads=True)241    await page.set_content(242        f'<a target=_blank href="{server.PREFIX}/download">download</a>'243    )244    async with page.expect_download() as download_info:245        await page.click("a")246    download = await download_info.value247    path = await download.path()248    assert os.path.exists(path)249    await page.close()250async def test_should_delete_file(browser, server):251    page = await browser.new_page(accept_downloads=True)252    await page.set_content(f'<a href="{server.PREFIX}/download">download</a>')253    async with page.expect_download() as download_info:254        await page.click("a")255    download = await download_info.value256    path = await download.path()257    assert os.path.exists(path)258    await download.delete()259    assert os.path.exists(path) is False260    await page.close()261async def test_should_delete_downloads_on_context_destruction(browser, server):262    page = await browser.new_page(accept_downloads=True)263    await page.set_content(f'<a href="{server.PREFIX}/download">download</a>')264    async with page.expect_download() as download_info:265        await page.click("a")266    download1 = await download_info.value267    async with page.expect_download() as download_info:268        await page.click("a")269    download2 = await download_info.value270    path1 = await download1.path()271    path2 = await download2.path()272    assert os.path.exists(path1)273    assert os.path.exists(path2)274    await page.context.close()275    assert os.path.exists(path1) is False276    assert os.path.exists(path2) is False277async def test_should_delete_downloads_on_browser_gone(browser_factory, server):278    browser = await browser_factory()279    page = await browser.new_page(accept_downloads=True)280    await page.set_content(f'<a href="{server.PREFIX}/download">download</a>')281    async with page.expect_download() as download_info:282        await page.click("a")283    download1 = await download_info.value284    async with page.expect_download() as download_info:285        await page.click("a")286    download2 = await download_info.value287    path1 = await download1.path()288    path2 = await download2.path()289    assert os.path.exists(path1)290    assert os.path.exists(path2)291    await browser.close()292    assert os.path.exists(path1) is False293    assert os.path.exists(path2) is False...

test_download_with_metadata.py

Source:test_download_with_metadata.py

1import subprocess2import os3from spotdl import const4from spotdl import internals5from spotdl import spotify_tools6from spotdl import youtube_tools7from spotdl import convert8from spotdl import metadata9from spotdl import downloader10import pytest11import loader12loader.load_defaults()13SPOTIFY_TRACK_URL = "https://open.spotify.com/track/3SipFlNddvL0XNZRLXvdZD"14EXPECTED_YOUTUBE_TITLE = "Janji - Heroes Tonight (feat. Johnning) [NCS Release]"15EXPECTED_SPOTIFY_TITLE = "Janji - Heroes Tonight"16EXPECTED_YOUTUBE_URL = "http://youtube.com/watch?v=3nQNiWdeH2Q"17# GIST_URL is the monkeypatched version of: https://www.youtube.com/results?search_query=janji+-+heroes18# so that we get same results even if YouTube changes the list/order of videos on their page.19GIST_URL = "https://gist.githubusercontent.com/ritiek/e731338e9810e31c2f00f13c249a45f5/raw/c11a27f3b5d11a8d082976f1cdd237bd605ec2c2/search_results.html"20def pytest_namespace():21    # XXX: We override the value of `content_fixture` later in the tests.22    # We do not use an acutal @pytest.fixture because it does not accept23    # the monkeypatch parameter and we need to monkeypatch the network24    # request before creating the Pafy object.25    return {"content_fixture": None}26@pytest.fixture(scope="module")27def metadata_fixture():28    meta_tags = spotify_tools.generate_metadata(SPOTIFY_TRACK_URL)29    return meta_tags30def test_metadata(metadata_fixture):31    expect_number = 2432    assert len(metadata_fixture) == expect_number33class TestFileFormat:34    def test_with_spaces(self, metadata_fixture):35        title = internals.format_string(const.args.file_format, metadata_fixture)36        assert title == EXPECTED_SPOTIFY_TITLE37    def test_without_spaces(self, metadata_fixture):38        const.args.no_spaces = True39        title = internals.format_string(const.args.file_format, metadata_fixture)40        assert title == EXPECTED_SPOTIFY_TITLE.replace(" ", "_")41def test_youtube_url(metadata_fixture, monkeypatch):42    monkeypatch.setattr(43        youtube_tools.GenerateYouTubeURL,44        "_fetch_response",45        loader.monkeypatch_youtube_search_page,46    )47    url = youtube_tools.generate_youtube_url(SPOTIFY_TRACK_URL, metadata_fixture)48    assert url == EXPECTED_YOUTUBE_URL49def test_youtube_title(metadata_fixture, monkeypatch):50    monkeypatch.setattr(51        youtube_tools.GenerateYouTubeURL,52        "_fetch_response",53        loader.monkeypatch_youtube_search_page,54    )55    content = youtube_tools.go_pafy(SPOTIFY_TRACK_URL, metadata_fixture)56    pytest.content_fixture = content57    title = youtube_tools.get_youtube_title(content)58    assert title == EXPECTED_YOUTUBE_TITLE59@pytest.fixture(scope="module")60def filename_fixture(metadata_fixture):61    songname = internals.format_string(const.args.file_format, metadata_fixture)62    filename = internals.sanitize_title(songname)63    return filename64def test_check_track_exists_before_download(tmpdir, metadata_fixture, filename_fixture):65    expect_check = False66    const.args.folder = str(tmpdir)67    # prerequisites for determining filename68    track_existence = downloader.CheckExists(filename_fixture, metadata_fixture)69    check = track_existence.already_exists(SPOTIFY_TRACK_URL)70    assert check == expect_check71class TestDownload:72    def blank_audio_generator(self, filepath):73        if filepath.endswith(".m4a"):74            cmd = "ffmpeg -f lavfi -i anullsrc -t 1 -c:a aac {}".format(filepath)75        elif filepath.endswith(".webm"):76            cmd = "ffmpeg -f lavfi -i anullsrc -t 1 -c:a libopus {}".format(filepath)77        subprocess.call(cmd.split(" "))78    def test_m4a(self, monkeypatch, filename_fixture):79        expect_download = True80        monkeypatch.setattr(81            "pafy.backend_shared.BaseStream.download", self.blank_audio_generator82        )83        monkeypatch.setattr(84            "pafy.backend_youtube_dl.YtdlStream.download", self.blank_audio_generator85        )86        download = youtube_tools.download_song(87            filename_fixture + ".m4a", pytest.content_fixture88        )89        assert download == expect_download90    def test_webm(self, monkeypatch, filename_fixture):91        expect_download = True92        monkeypatch.setattr(93            "pafy.backend_shared.BaseStream.download", self.blank_audio_generator94        )95        monkeypatch.setattr(96            "pafy.backend_youtube_dl.YtdlStream.download", self.blank_audio_generator97        )98        download = youtube_tools.download_song(99            filename_fixture + ".webm", pytest.content_fixture100        )101        assert download == expect_download102class TestFFmpeg:103    def test_convert_from_webm_to_mp3(self, filename_fixture, monkeypatch):104        expect_command = "ffmpeg -y -nostdin -hide_banner -nostats -v panic -i {0}.webm -codec:a libmp3lame -ar 44100 -b:a 192k -vn {0}.mp3".format(105            os.path.join(const.args.folder, filename_fixture)106        )107        monkeypatch.setattr("os.remove", lambda x: None)108        _, command = convert.song(109            filename_fixture + ".webm", filename_fixture + ".mp3", const.args.folder110        )111        assert " ".join(command) == expect_command112    def test_convert_from_webm_to_m4a(self, filename_fixture, monkeypatch):113        expect_command = "ffmpeg -y -nostdin -hide_banner -nostats -v panic -i {0}.webm -cutoff 20000 -codec:a aac -ar 44100 -b:a 192k -vn {0}.m4a".format(114            os.path.join(const.args.folder, filename_fixture)115        )116        monkeypatch.setattr("os.remove", lambda x: None)117        _, command = convert.song(118            filename_fixture + ".webm", filename_fixture + ".m4a", const.args.folder119        )120        assert " ".join(command) == expect_command121    def test_convert_from_m4a_to_mp3(self, filename_fixture, monkeypatch):122        expect_command = "ffmpeg -y -nostdin -hide_banner -nostats -v panic -i {0}.m4a -codec:v copy -codec:a libmp3lame -ar 44100 -b:a 192k -vn {0}.mp3".format(123            os.path.join(const.args.folder, filename_fixture)124        )125        monkeypatch.setattr("os.remove", lambda x: None)126        _, command = convert.song(127            filename_fixture + ".m4a", filename_fixture + ".mp3", const.args.folder128        )129        assert " ".join(command) == expect_command130    def test_convert_from_m4a_to_webm(self, filename_fixture, monkeypatch):131        expect_command = "ffmpeg -y -nostdin -hide_banner -nostats -v panic -i {0}.m4a -codec:a libopus -vbr on -b:a 192k -vn {0}.webm".format(132            os.path.join(const.args.folder, filename_fixture)133        )134        monkeypatch.setattr("os.remove", lambda x: None)135        _, command = convert.song(136            filename_fixture + ".m4a", filename_fixture + ".webm", const.args.folder137        )138        assert " ".join(command) == expect_command139    def test_convert_from_m4a_to_flac(self, filename_fixture, monkeypatch):140        expect_command = "ffmpeg -y -nostdin -hide_banner -nostats -v panic -i {0}.m4a -codec:a flac -ar 44100 -b:a 192k -vn {0}.flac".format(141            os.path.join(const.args.folder, filename_fixture)142        )143        monkeypatch.setattr("os.remove", lambda x: None)144        _, command = convert.song(145            filename_fixture + ".m4a", filename_fixture + ".flac", const.args.folder146        )147        assert " ".join(command) == expect_command148    def test_correct_container_for_m4a(self, filename_fixture, monkeypatch):149        expect_command = "ffmpeg -y -nostdin -hide_banner -nostats -v panic -i {0}.m4a.temp -acodec copy -b:a 192k -vn {0}.m4a".format(150            os.path.join(const.args.folder, filename_fixture)151        )152        _, command = convert.song(153            filename_fixture + ".m4a", filename_fixture + ".m4a", const.args.folder154        )155        assert " ".join(command) == expect_command156class TestAvconv:157    @pytest.mark.skip(reason="avconv is no longer provided with FFmpeg")158    def test_convert_from_m4a_to_mp3(self, filename_fixture, monkeypatch):159        monkeypatch.setattr("os.remove", lambda x: None)160        expect_command = "avconv -loglevel 0 -i {0}.m4a -ab 192k {0}.mp3 -y".format(161            os.path.join(const.args.folder, filename_fixture)162        )163        _, command = convert.song(164            filename_fixture + ".m4a",165            filename_fixture + ".mp3",166            const.args.folder,167            avconv=True,168        )169        assert " ".join(command) == expect_command170@pytest.fixture(scope="module")171def trackpath_fixture(filename_fixture):172    trackpath = os.path.join(const.args.folder, filename_fixture)173    return trackpath174class TestEmbedMetadata:175    def test_embed_in_mp3(self, metadata_fixture, trackpath_fixture):176        expect_embed = True177        embed = metadata.embed(trackpath_fixture + ".mp3", metadata_fixture)178        assert embed == expect_embed179    def test_embed_in_m4a(self, metadata_fixture, trackpath_fixture):180        expect_embed = True181        embed = metadata.embed(trackpath_fixture + ".m4a", metadata_fixture)182        os.remove(trackpath_fixture + ".m4a")183        assert embed == expect_embed184    def test_embed_in_webm(self, metadata_fixture, trackpath_fixture):185        expect_embed = False186        embed = metadata.embed(trackpath_fixture + ".webm", metadata_fixture)187        os.remove(trackpath_fixture + ".webm")188        assert embed == expect_embed189    def test_embed_in_flac(self, metadata_fixture, trackpath_fixture):190        expect_embed = True191        embed = metadata.embed(trackpath_fixture + ".flac", metadata_fixture)192        os.remove(trackpath_fixture + ".flac")193        assert embed == expect_embed194def test_check_track_exists_after_download(195    metadata_fixture, filename_fixture, trackpath_fixture196):197    expect_check = True198    track_existence = downloader.CheckExists(filename_fixture, metadata_fixture)199    check = track_existence.already_exists(SPOTIFY_TRACK_URL)200    os.remove(trackpath_fixture + ".mp3")...

test_youtube_tools.py

Source:test_youtube_tools.py

1import os2import builtins3from spotdl import const4from spotdl import internals5from spotdl import spotify_tools6from spotdl import youtube_tools7from spotdl import downloader8import loader9import pytest10loader.load_defaults()11YT_API_KEY = "AIzaSyAnItl3udec-Q1d5bkjKJGL-RgrKO_vU90"12TRACK_SEARCH = "Tony's Videos VERY SHORT VIDEO 28.10.2016"13EXPECTED_TITLE = TRACK_SEARCH14EXPECTED_YT_URL = "http://youtube.com/watch?v=qOOcy2-tmbk"15RESULT_COUNT_SEARCH = "she is still sleeping SAO"16EXPECTED_YT_API_KEY = "AIzaSyC6cEeKlxtOPybk9sEe5ksFN5sB-7wzYp0"17EXPECTED_YT_API_KEY_CUSTOM = "some_api_key"18class TestYouTubeAPIKeys:19    def test_custom(self):20        const.args.youtube_api_key = EXPECTED_YT_API_KEY_CUSTOM21        youtube_tools.set_api_key()22        key = youtube_tools.pafy.g.api_key23        assert key == EXPECTED_YT_API_KEY_CUSTOM24    def test_default(self):25        const.args.youtube_api_key = None26        youtube_tools.set_api_key()27        key = youtube_tools.pafy.g.api_key28        assert key == EXPECTED_YT_API_KEY29@pytest.fixture(scope="module")30def metadata_fixture():31    metadata = spotify_tools.generate_metadata(TRACK_SEARCH)32    return metadata33def test_metadata(metadata_fixture):34    expect_metadata = None35    assert metadata_fixture == expect_metadata36class TestArgsManualResultCount:37    # Regresson test for issue #26438    def test_scrape(self):39        const.args.manual = True40        url = youtube_tools.GenerateYouTubeURL(RESULT_COUNT_SEARCH, meta_tags=None)41        video_ids = url.scrape(bestmatch=False)42        # Web scraping gives us all videos on the 1st page43        assert len(video_ids) == 2044    def test_api(self):45        url = youtube_tools.GenerateYouTubeURL(RESULT_COUNT_SEARCH, meta_tags=None)46        video_ids = url.api(bestmatch=False)47        const.args.manual = False48        # API gives us 50 videos (or as requested)49        assert len(video_ids) == 5050class TestYouTubeURL:51    def test_only_music_category(self, metadata_fixture):52        const.args.music_videos_only = True53        url = youtube_tools.generate_youtube_url(TRACK_SEARCH, metadata_fixture)54        assert url == EXPECTED_YT_URL55    def test_all_categories(self, metadata_fixture):56        const.args.music_videos_only = False57        url = youtube_tools.generate_youtube_url(TRACK_SEARCH, metadata_fixture)58        assert url == EXPECTED_YT_URL59    def test_args_manual(self, metadata_fixture, monkeypatch):60        const.args.manual = True61        monkeypatch.setattr("builtins.input", lambda x: "1")62        url = youtube_tools.generate_youtube_url(TRACK_SEARCH, metadata_fixture)63        assert url == EXPECTED_YT_URL64    def test_args_manual_none(self, metadata_fixture, monkeypatch):65        expect_url = None66        monkeypatch.setattr("builtins.input", lambda x: "0")67        url = youtube_tools.generate_youtube_url(TRACK_SEARCH, metadata_fixture)68        const.args.manual = False69        assert url == expect_url70@pytest.fixture(scope="module")71def content_fixture(metadata_fixture):72    content = youtube_tools.go_pafy(TRACK_SEARCH, metadata_fixture)73    return content74# True = Metadata must be fetched from Spotify75# False = Metadata must be fetched from YouTube76# None = Metadata must be `None`77MATCH_METADATA_NO_FALLBACK_TEST_TABLE = [78    ("https://open.spotify.com/track/5nWduGwBGBn1PSqYTJUDbS", True),79    ("http://youtube.com/watch?v=3nQNiWdeH2Q", None),80    ("Linux Talk | Working with Drives and Filesystems", None),81]82MATCH_METADATA_FALLBACK_TEST_TABLE = [83    ("https://open.spotify.com/track/5nWduGwBGBn1PSqYTJUDbS", True),84    ("http://youtube.com/watch?v=3nQNiWdeH2Q", False),85    ("Linux Talk | Working with Drives and Filesystems", False),86]87MATCH_METADATA_NO_METADATA_TEST_TABLE = [88    ("https://open.spotify.com/track/5nWduGwBGBn1PSqYTJUDbS", None),89    ("http://youtube.com/watch?v=3nQNiWdeH2Q", None),90    ("Linux Talk | Working with Drives and Filesystems", None),91]92class TestMetadataOrigin:93    def match_metadata(self, track, metadata_type):94        _, metadata = youtube_tools.match_video_and_metadata(track)95        if metadata_type is None:96            assert metadata == metadata_type97        else:98            assert metadata["spotify_metadata"] == metadata_type99    @pytest.mark.parametrize(100        "track, metadata_type", MATCH_METADATA_NO_FALLBACK_TEST_TABLE101    )102    def test_match_metadata_with_no_fallback(103        self, track, metadata_type, content_fixture, monkeypatch104    ):105        monkeypatch.setattr(106            youtube_tools, "go_pafy", lambda track, meta_tags: content_fixture107        )108        const.args.no_fallback_metadata = True109        self.match_metadata(track, metadata_type)110    @pytest.mark.parametrize("track, metadata_type", MATCH_METADATA_FALLBACK_TEST_TABLE)111    def test_match_metadata_with_fallback(112        self, track, metadata_type, content_fixture, monkeypatch113    ):114        monkeypatch.setattr(115            youtube_tools, "go_pafy", lambda track, meta_tags: content_fixture116        )117        const.args.no_fallback_metadata = False118        self.match_metadata(track, metadata_type)119    @pytest.mark.parametrize(120        "track, metadata_type", MATCH_METADATA_NO_METADATA_TEST_TABLE121    )122    def test_match_metadata_with_no_metadata(123        self, track, metadata_type, content_fixture, monkeypatch124    ):125        monkeypatch.setattr(126            youtube_tools, "go_pafy", lambda track, meta_tags: content_fixture127        )128        const.args.no_metadata = True129        self.match_metadata(track, metadata_type)130@pytest.fixture(scope="module")131def title_fixture(content_fixture):132    title = youtube_tools.get_youtube_title(content_fixture)133    return title134class TestYouTubeTitle:135    def test_single_download_with_youtube_api(self, title_fixture):136        const.args.youtube_api_key = YT_API_KEY137        youtube_tools.set_api_key()138        assert title_fixture == EXPECTED_TITLE139    def test_download_from_list_without_youtube_api(140        self, metadata_fixture, content_fixture141    ):142        const.args.youtube_api_key = None143        youtube_tools.set_api_key()144        content_fixture = youtube_tools.go_pafy(TRACK_SEARCH, metadata_fixture)145        title = youtube_tools.get_youtube_title(content_fixture, 1)146        assert title == "1. {0}".format(EXPECTED_TITLE)147@pytest.fixture(scope="module")148def filename_fixture(title_fixture):149    filename = internals.sanitize_title(title_fixture)150    return filename151def test_check_exists(metadata_fixture, filename_fixture, tmpdir):152    expect_check = False153    const.args.folder = str(tmpdir)154    # prerequisites for determining filename155    track_existence = downloader.CheckExists(filename_fixture, metadata_fixture)156    check = track_existence.already_exists(TRACK_SEARCH)157    assert check == expect_check158def test_generate_m3u(tmpdir, monkeypatch):159    monkeypatch.setattr(160        youtube_tools.GenerateYouTubeURL,161        "_fetch_response",162        loader.monkeypatch_youtube_search_page,163    )164    expect_m3u = (165        "#EXTM3U\n\n"166        "#EXTINF:208,Janji - Heroes Tonight (feat. Johnning) [NCS Release]\n"167        "http://www.youtube.com/watch?v=3nQNiWdeH2Q\n"168        "#EXTINF:226,Alan Walker - Spectre [NCS Release]\n"169        "http://www.youtube.com/watch?v=AOeY-nDp7hI\n"170    )171    m3u_track_file = os.path.join(str(tmpdir), "m3u_test.txt")172    with open(m3u_track_file, "w") as track_file:173        track_file.write("\nhttps://open.spotify.com/track/3SipFlNddvL0XNZRLXvdZD")174        track_file.write("\nhttp://www.youtube.com/watch?v=AOeY-nDp7hI")175    youtube_tools.generate_m3u(m3u_track_file)176    m3u_file = "{}.m3u".format(m3u_track_file.split(".")[0])177    with open(m3u_file, "r") as m3u_in:178        m3u = m3u_in.readlines()179    assert "".join(m3u) == expect_m3u180class TestDownload:181    def test_webm(self, content_fixture, filename_fixture, monkeypatch):182        # content_fixture does not have any .webm audiostream183        expect_download = False184        monkeypatch.setattr("pafy.backend_shared.BaseStream.download", lambda x: None)185        download = youtube_tools.download_song(186            filename_fixture + ".webm", content_fixture187        )188        assert download == expect_download189    def test_other(self, content_fixture, filename_fixture, monkeypatch):190        expect_download = False191        monkeypatch.setattr("pafy.backend_shared.BaseStream.download", lambda x: None)192        download = youtube_tools.download_song(193            filename_fixture + ".fake_extension", content_fixture194        )...

test_fetcher.py

Source:test_fetcher.py

...122      self.fetcher.fetch('http://foo',123                         self.listener,124                         chunk_size_bytes=1024,125                         timeout_secs=60)126  def expect_download(self, path_or_fd=None):127    downloaded = ''128    for chunk in self.expect_get('http://1', chunk_size_bytes=13, timeout_secs=13, listener=False):129      downloaded += chunk130    self.response.close()131    self.mox.ReplayAll()132    path = self.fetcher.download('http://1',133                                 path_or_fd=path_or_fd,134                                 chunk_size_bytes=13,135                                 timeout_secs=13)136    return downloaded, path137  def test_download(self):138    downloaded, path = self.expect_download()139    try:140      with open(path) as fp:141        self.assertEqual(downloaded, fp.read())142    finally:143      os.unlink(path)144  def test_download_fd(self):145    with temporary_file() as fd:146      downloaded, path = self.expect_download(path_or_fd=fd)147      self.assertEqual(path, fd.name)148      fd.close()149      with open(path) as fp:150        self.assertEqual(downloaded, fp.read())151  def test_download_path(self):152    with temporary_file() as fd:153      fd.close()154      downloaded, path = self.expect_download(path_or_fd=fd.name)155      self.assertEqual(path, fd.name)156      with open(path) as fp:...

Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.