96 lines
3.7 KiB
Python
96 lines
3.7 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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import pytest
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from playwright.sync_api import BrowserContext, Error, Page
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def test_add_init_script_evaluate_before_anything_else_on_the_page(page: Page) -> None:
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page.add_init_script("window.injected = 123")
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page.goto("data:text/html,<script>window.result = window.injected</script>")
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assert page.evaluate("window.result") == 123
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def test_add_init_script_work_with_a_path(page: Page, assetdir: Path) -> None:
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page.add_init_script(path=assetdir / "injectedfile.js")
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page.goto("data:text/html,<script>window.result = window.injected</script>")
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assert page.evaluate("window.result") == 123
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def test_add_init_script_work_with_content(page: Page) -> None:
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page.add_init_script("window.injected = 123")
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page.goto("data:text/html,<script>window.result = window.injected</script>")
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assert page.evaluate("window.result") == 123
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def test_add_init_script_throw_without_path_and_content(page: Page) -> None:
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with pytest.raises(
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Error, match="Either path or script parameter must be specified"
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):
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page.add_init_script({"foo": "bar"}) # type: ignore
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def test_add_init_script_work_with_browser_context_scripts(
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page: Page, context: BrowserContext
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) -> None:
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context.add_init_script("window.temp = 123")
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page = context.new_page()
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page.add_init_script("window.injected = window.temp")
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page.goto("data:text/html,<script>window.result = window.injected</script>")
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assert page.evaluate("window.result") == 123
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def test_add_init_script_work_with_browser_context_scripts_with_a_path(
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page: Page, context: BrowserContext, assetdir: Path
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) -> None:
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context.add_init_script(path=assetdir / "injectedfile.js")
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page = context.new_page()
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page.goto("data:text/html,<script>window.result = window.injected</script>")
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assert page.evaluate("window.result") == 123
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def test_add_init_script_work_with_browser_context_scripts_for_already_created_pages(
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page: Page, context: BrowserContext
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) -> None:
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context.add_init_script("window.temp = 123")
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page.add_init_script("window.injected = window.temp")
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page.goto("data:text/html,<script>window.result = window.injected</script>")
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assert page.evaluate("window.result") == 123
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def test_add_init_script_support_multiple_scripts(page: Page) -> None:
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page.add_init_script("window.script1 = 1")
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page.add_init_script("window.script2 = 2")
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page.goto("data:text/html,<script>window.result = window.injected</script>")
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assert page.evaluate("window.script1") == 1
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assert page.evaluate("window.script2") == 2
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def test_should_work_with_trailing_comments(page: Page) -> None:
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page.add_init_script("// comment")
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page.add_init_script("window.secret = 42;")
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page.goto("data:text/html,<html></html>")
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assert page.evaluate("secret") == 42
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def test_add_init_script_returns_disposable(page: Page) -> None:
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with page.add_init_script("window.injected = 123"):
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page.goto("data:text/html,<script>window.result = window.injected</script>")
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assert page.evaluate("window.result") == 123
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page.goto("data:text/html,<script>window.result = window.injected</script>")
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assert page.evaluate("window.result") is None
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