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diff --git a/testing/web-platform/tests/docs/running-tests/android_webview.md b/testing/web-platform/tests/docs/running-tests/android_webview.md new file mode 100644 index 0000000000..4a86814fdf --- /dev/null +++ b/testing/web-platform/tests/docs/running-tests/android_webview.md @@ -0,0 +1,51 @@ +# Android WebView + +To run WPT on WebView on an Android device, some additional set-up is required. + +Currently, Android WebView support is experimental. + +## Prerequisites + +Please check [Chrome for Android](chrome_android.md) for the common instructions for Android support first. + +Ensure you have a userdebug or eng Android build installed on the device. + +Install an up-to-date version of system webview shell: +1. Go to [chromium-browser-snapshots](https://commondatastorage.googleapis.com/chromium-browser-snapshots/index.html?prefix=Android/) +2. Find the subdirectory with the highest number and click it, this number can be found + in the "Commit Position" column of row "LAST_CHANGE" (at bottom of page). +3. Download `chrome-android.zip` file and unzip it. +4. Install `SystemWebViewShell.apk`. +5. On emulator, system webview shell may already be installed by default. Then you may need to remove the existing apk: + * Choose a userdebug build. + * Run an emulator with + [writable system partition from command line](https://chromium.googlesource.com/chromium/src/+/HEAD/docs/android_emulator.md/) + +If you have an issue with ChromeDriver version mismatch, try one of the following: + * Try removing `_venv/bin/chromedriver` such that wpt runner can install a matching version + automatically. Failing that, please check your environment path and make + sure that no other ChromeDriver is used. + * Download the [ChromeDriver binary](https://chromedriver.chromium.org/) matching your WebView's major version and specify it on the command line + ``` + ./wpt run --webdriver-binary <binary path> ... + ``` + +Configure host remap rules in the [webview commandline file](https://cs.chromium.org/chromium/src/android_webview/docs/commandline-flags.md?l=57): +``` +adb shell "echo '_ --host-resolver-rules=\"MAP nonexistent.*.test ~NOTFOUND, MAP *.test 127.0.0.1\"' > /data/local/tmp/webview-command-line" +``` + +Ensure that `adb` can be found on your system's PATH. + +## Running Tests + +Example command line: + +```bash +./wpt run --test-type=testharness android_webview <TESTS> +``` + +* Note that there is no support for channel or automatic installation. The test + will be run against the current WebView version installed on the device. + +* Reftests are not supported at the moment. |