test: port test_launcher to sync test-suite (#2392)

tests/sync/test_launcher.py

@@ -0,0 +1,126 @@
+# Copyright (c) Microsoft Corporation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os
+from pathlib import Path
+from typing import Dict, Optional
+
+import pytest
+
+from playwright.sync_api import BrowserType, Error
+
+
+@pytest.mark.skip_browser("firefox")
+def test_browser_type_launch_should_throw_if_page_argument_is_passed(
+    browser_type: BrowserType, launch_arguments: Dict
+) -> None:
+    with pytest.raises(Error) as exc:
+        browser_type.launch(**launch_arguments, args=["http://example.com"])
+    assert "can not specify page" in exc.value.message
+
+
+def test_browser_type_launch_should_reject_if_launched_browser_fails_immediately(
+    browser_type: BrowserType, launch_arguments: Dict, assetdir: Path
+) -> None:
+    with pytest.raises(Error):
+        browser_type.launch(
+            **launch_arguments,
+            executable_path=assetdir / "dummy_bad_browser_executable.js",
+        )
+
+
+def test_browser_type_launch_should_reject_if_executable_path_is_invalid(
+    browser_type: BrowserType, launch_arguments: Dict
+) -> None:
+    with pytest.raises(Error) as exc:
+        browser_type.launch(**launch_arguments, executable_path="random-invalid-path")
+    assert "executable doesn't exist" in exc.value.message
+
+
+def test_browser_type_executable_path_should_work(
+    browser_type: BrowserType, browser_channel: str
+) -> None:
+    if browser_channel:
+        return
+    executable_path = browser_type.executable_path
+    assert os.path.exists(executable_path)
+    assert os.path.realpath(executable_path) == os.path.realpath(executable_path)
+
+
+def test_browser_type_name_should_work(
+    browser_type: BrowserType, is_webkit: bool, is_firefox: bool, is_chromium: bool
+) -> None:
+    if is_webkit:
+        assert browser_type.name == "webkit"
+    elif is_firefox:
+        assert browser_type.name == "firefox"
+    elif is_chromium:
+        assert browser_type.name == "chromium"
+    else:
+        raise ValueError("Unknown browser")
+
+
+def test_browser_close_should_fire_close_event_for_all_contexts(
+    browser_type: BrowserType, launch_arguments: Dict
+) -> None:
+    browser = browser_type.launch(**launch_arguments)
+    context = browser.new_context()
+    closed = []
+    context.on("close", lambda _: closed.append(True))
+    browser.close()
+    assert closed == [True]
+
+
+def test_browser_close_should_be_callable_twice(
+    browser_type: BrowserType, launch_arguments: Dict
+) -> None:
+    browser = browser_type.launch(**launch_arguments)
+    browser.close()
+    browser.close()
+
+
+@pytest.mark.only_browser("chromium")
+def test_browser_launch_should_return_background_pages(
+    browser_type: BrowserType,
+    tmpdir: Path,
+    browser_channel: Optional[str],
+    assetdir: Path,
+    launch_arguments: Dict,
+) -> None:
+    if browser_channel:
+        pytest.skip()
+
+    extension_path = str(assetdir / "simple-extension")
+    context = browser_type.launch_persistent_context(
+        str(tmpdir),
+        **{
+            **launch_arguments,
+            "headless": False,
+            "args": [
+                f"--disable-extensions-except={extension_path}",
+                f"--load-extension={extension_path}",
+            ],
+        },
+    )
+    background_page = None
+    if len(context.background_pages):
+        background_page = context.background_pages[0]
+    else:
+        background_page = context.wait_for_event("backgroundpage")
+    assert background_page
+    assert background_page in context.background_pages
+    assert background_page not in context.pages
+    context.close()
+    assert len(context.background_pages) == 0
+    assert len(context.pages) == 0