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Update web-platform-tests to revision a3a4442b04c37155f81c4ad4ae9c06339f76ce14

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WPT Sync Bot 2019-09-19 10:23:35 +00:00
parent 7b653cad7b
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47
tests/wpt/web-platform-tests/docs/running-tests/android_webview.md
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@ -4,27 +4,42 @@ To run WPT on WebView on an Android device, some additional set-up is required.
Currently, Android WebView support is experimental.
* Please check [Chrome for Android](chrome_android) for the common
instructions for Android support first.
## Prerequisites
* Install an up-to-date version of system webview shell:
* Go to
[chromium-browser-snapshots](https://commondatastorage.googleapis.com/chromium-browser-snapshots/index.html?prefix=Android/)
* Find the subdirectory with the highest number and click it.
* Download `chrome-android.zip` file and unzip it.
* Install `SystemWebViewShell.apk`.
* 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/)
#### Please check [Chrome for Android](chrome_android.md) for the common instructions for Android support first.
* If you have an issue with ChromeDriver version, try removing
`_venv/bin/chromedriver` such that wpt runner can install a matching version
#### 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> ...
```
Example command line:
#### 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>