80 lines
2.7 KiB
Python
80 lines
2.7 KiB
Python
# Copyright (c) Microsoft Corporation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from pathlib import Path
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from typing import Callable
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from PIL import Image
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from playwright.async_api import Page
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from tests.server import Server
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from tests.utils import must
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def assert_image_file_format(path: Path, image_format: str) -> None:
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with Image.open(path) as img:
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assert img.format == image_format
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async def test_should_screenshot_with_mask(
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page: Page, server: Server, assert_to_be_golden: Callable[[bytes, str], None]
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) -> None:
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await page.set_viewport_size(
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{
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"width": 500,
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"height": 500,
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}
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)
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await page.goto(server.PREFIX + "/grid.html")
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assert_to_be_golden(
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await page.screenshot(mask=[page.locator("div").nth(5)]),
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"mask-should-work-with-page.png",
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)
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assert_to_be_golden(
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await page.locator("body").screenshot(mask=[page.locator("div").nth(5)]),
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"mask-should-work-with-locator.png",
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)
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assert_to_be_golden(
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await must(await page.query_selector("body")).screenshot(
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mask=[page.locator("div").nth(5)]
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),
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"mask-should-work-with-element-handle.png",
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)
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async def test_should_infer_screenshot_type_from_path(
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page: Page, tmp_path: Path
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) -> None:
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output_png_file = tmp_path / "foo.png"
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await page.screenshot(path=output_png_file)
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assert_image_file_format(output_png_file, "PNG")
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output_jpeg_file = tmp_path / "bar.jpeg"
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await page.screenshot(path=output_jpeg_file)
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assert_image_file_format(output_jpeg_file, "JPEG")
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output_jpg_file = tmp_path / "bar.jpg"
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await page.screenshot(path=output_jpg_file)
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assert_image_file_format(output_jpg_file, "JPEG")
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async def test_should_screenshot_with_type_argument(page: Page, tmp_path: Path) -> None:
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output_jpeg_with_png_extension = tmp_path / "foo_jpeg.png"
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await page.screenshot(path=output_jpeg_with_png_extension, type="jpeg")
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assert_image_file_format(output_jpeg_with_png_extension, "JPEG")
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output_png_with_jpeg_extension = tmp_path / "bar_png.jpeg"
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await page.screenshot(path=output_png_with_jpeg_extension, type="png")
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assert_image_file_format(output_png_with_jpeg_extension, "PNG")
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