microsoft · pavelfeldman · Aug 6, 2020 · Aug 6, 2020
diff --git a/playwright/async_api.py b/playwright/async_api.py
@@ -5291,6 +5291,18 @@ def contexts(self) -> typing.List["BrowserContext"]:
         """
         return mapping.from_impl_list(self._impl_obj.contexts)
 
+    @property
+    def version(self) -> str:
+        """Browser.version
+
+        Returns the browser version.
+
+        Returns
+        -------
+        str
+        """
+        return mapping.from_maybe_impl(self._impl_obj.version)
+
     def isConnected(self) -> bool:
         """Browser.isConnected
 
@@ -5484,17 +5496,6 @@ async def close(self) -> NoneType:
         """
         return mapping.from_maybe_impl(await self._impl_obj.close())
 
-    async def version(self) -> str:
-        """Browser.version
-
-        Returns the browser version.
-
-        Returns
-        -------
-        str
-        """
-        return mapping.from_maybe_impl(await self._impl_obj.version())
-
 
 mapping.register(BrowserImpl, Browser)
 

diff --git a/playwright/browser.py b/playwright/browser.py
@@ -129,5 +129,6 @@ async def close(self) -> None:
         self._is_closed_or_closing = True
         await self._channel.send("close")
 
-    async def version(self) -> str:
-        return await self._channel.send("version")
+    @property
+    def version(self) -> str:
+        return self._initializer["version"]
diff --git a/playwright/sync_api.py b/playwright/sync_api.py
@@ -5519,6 +5519,18 @@ def contexts(self) -> typing.List["BrowserContext"]:
         """
         return mapping.from_impl_list(self._impl_obj.contexts)
 
+    @property
+    def version(self) -> str:
+        """Browser.version
+
+        Returns the browser version.
+
+        Returns
+        -------
+        str
+        """
+        return mapping.from_maybe_impl(self._impl_obj.version)
+
     def isConnected(self) -> bool:
         """Browser.isConnected
 
@@ -5716,17 +5728,6 @@ def close(self) -> NoneType:
         """
         return mapping.from_maybe_impl(self._sync(self._impl_obj.close()))
 
-    def version(self) -> str:
-        """Browser.version
-
-        Returns the browser version.
-
-        Returns
-        -------
-        str
-        """
-        return mapping.from_maybe_impl(self._sync(self._impl_obj.version()))
-
 
 mapping.register(BrowserImpl, Browser)
 

diff --git a/tests/async/test_browser.py b/tests/async/test_browser.py
@@ -0,0 +1,50 @@
+# 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 re
+
+import pytest
+
+from playwright import Error
+from playwright.async_api import Browser
+
+
+async def test_should_create_new_page(browser):
+    page1 = await browser.newPage()
+    assert len(browser.contexts) == 1
+
+    page2 = await browser.newPage()
+    assert len(browser.contexts) == 2
+
+    await page1.close()
+    assert len(browser.contexts) == 1
+
+    await page2.close()
+    assert len(browser.contexts) == 0
+
+
+async def test_should_throw_upon_second_create_new_page(browser):
+    page = await browser.newPage()
+    with pytest.raises(Error) as exc:
+        await page.context.newPage()
+    await page.close()
+    assert "Please use browser.newContext()" in exc.value.message
+
+
+async def test_version_should_work(browser: Browser, is_chromium):
+    version = browser.version
+    if is_chromium:
+        assert re.match(r"^\d+\.\d+\.\d+\.\d+$", version)
+    else:
+        assert re.match(r"^\d+\.\d+$", version)