Playwright chrome support print pdf (#88)

* playwright chrome support emulate mode

* Update playwright support pdf mode and headless mode

* Add hot fix unstable mouse move event for firefox

Author: atthaboon

Examples/browser-management/emulator-mode.robot

@@ -4,11 +4,10 @@ Suite Teardown    Close Puppeteer
 
 *** Variables ***
 ${DEFAULT_BROWSER}    chrome
-# ${DEFAULT_BROWSER}    webkit
 
 *** Test Cases ***
 Example enable emulator mode
-    [Tags]    Ignore_firefox    Ignore_pwchrome
+    [Tags]    Ignore_firefox
     [Teardown]    Close All Browser
     ${BROWSER} =     Get variable value    ${BROWSER}     ${DEFAULT_BROWSER}
     ${HEADLESS} =    Get variable value    ${HEADLESS}    ${False}

Examples/utilities/generate-pdf.robot

@@ -6,21 +6,21 @@ Suite Teardown    Close Puppeteer
 
 
 *** Variables ***
-${DEFAULT_BROWSER}    chrome
+${DEFAULT_BROWSER}    firefox
 ${HOME_PAGE_URL}    http://127.0.0.1:7272/basic-html-elements.html
 
 
 *** Test Cases ***
 Generate pdf file
-    [Tags]    Ignore_webkit    Ignore_firefox    Ignore_pwchrome
+    [Tags]    Ignore_webkit    Ignore_firefox
     [Documentation]    Only support on chrome headless mode
     Print as pdf 
 
 
 *** Keywords ***
 Open browser to test page
     ${BROWSER} =     Get variable value    ${BROWSER}    ${DEFAULT_BROWSER}
-    ${HEADLESS} =    Get variable value    ${HEADLESS}    ${True}
+    ${HEADLESS} =    Set Variable    ${True}
     &{options} =    create dictionary   headless=${HEADLESS}
     Open browser    ${HOME_PAGE_URL}    browser=${BROWSER}    options=${options}
 

PuppeteerLibrary/playwright/async_keywords/playwright_mouseevent.py

@@ -1,3 +1,4 @@
+import time
 from robot.libraries.BuiltIn import BuiltIn
 from PuppeteerLibrary.ikeywords.imouseevent_async import iMouseEventAsync
 
@@ -18,6 +19,8 @@ async def mouse_down(self, locator):
             bounding_box['x'] + bounding_box['width'] / 2,
             bounding_box['y'] + bounding_box['height'] / 2)
         await self.library_ctx.get_current_page().get_page().mouse.down()
+        # TODO: Workaround for firefox not throw exception when mouse down and then mouse move
+        time.sleep(0.5)
 
     async def mouse_up(self):
         await self.library_ctx.get_current_page().get_page().mouse.up()

PuppeteerLibrary/playwright/async_keywords/playwright_pdf.py

@@ -9,7 +9,5 @@ def __init__(self, library_ctx):
     async def print_as_pdf(self, filename=DEFAULT_FILENAME_PAGE):
         path = self._get_pdf_path(filename)
         await self.library_ctx.get_current_page().get_page().emulateMedia('screen')
-        await self.library_ctx.get_current_page().get_page().pdf(
-            path=path
-        )
+        await self.library_ctx.get_current_page().get_page().pdf(path=path)
         self.info('Print as pdf: '+path)

PuppeteerLibrary/playwright/playwright_context.py

@@ -34,13 +34,27 @@ def __init__(self, browser_type: str):
         super().__init__(browser_type)
 
     async def start_server(self, options: dict=None):
+        default_options = {
+            'slowMo': 0,
+            'headless': True,
+            'devtools': False,
+            'width': 1366,
+            'height': 768
+        }
+        merged_options = default_options
+        if options is not None:
+            merged_options = {**merged_options, **options}
+
         self.playwright = await async_playwright().start()
         if self.browser_type == "pwchrome":
-            self.browser = await self.playwright.chromium.launch(headless=False)
+            self.browser = await self.playwright.chromium.launch(
+                headless=merged_options['headless'])
         elif self.browser_type == "webkit":
-            self.browser = await self.playwright.webkit.launch(headless=False)
+            self.browser = await self.playwright.webkit.launch(
+                headless=merged_options['headless'])
         elif self.browser_type == "firefox":
-            self.browser = await self.playwright.firefox.launch(headless=False)    
+            self.browser = await self.playwright.firefox.launch(
+                headless=merged_options['headless'])    
         self.browser.acceptDownloads = True
 
     async def stop_server(self):

requirements.txt

@@ -1,6 +1,6 @@
 versioneer>=0.18
 robotframework>=3.2.1
-playwright==0.152.0
+playwright==0.171.1
 # pyppeteer>=0.2.2
 git+https://github.com/qahive/pyppeteer.git@dev2
-robotframework-libdoc2json>=0.4
+robotframework-libdoc2json>=0.4

setup.py

@@ -26,9 +26,9 @@
     packages=find_packages(),
     classifiers=[
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
         "License :: OSI Approved :: Apache Software License",
         "Operating System :: OS Independent",
         "Topic :: Software Development :: Testing",
@@ -39,7 +39,7 @@
     platforms='any',
     install_requires=[
         'robotframework>=3.2.1',
-        'playwright>=0.152.0',
+        'playwright>=0.171.1',
         'pyppeteer>=0.2.2',
     ],
     # python_requires='>3.5',