tests/autofillservice/src/android/autofillservice/cts/WebViewActivity.java

/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * 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.
 */
package android.autofillservice.cts;

import android.os.Bundle;
import android.support.test.uiautomator.UiObject2;
import android.util.Log;
import android.webkit.WebResourceRequest;
import android.webkit.WebResourceResponse;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.EditText;

import java.io.IOException;

public class WebViewActivity extends AbstractAutoFillActivity {

    private static final String TAG = "WebViewActivity";
    static final String FAKE_DOMAIN = "y.u.no.real.server";
    private static final String FAKE_URL = "https://" + FAKE_DOMAIN + ":666/login.html";
    static final String ID_WEBVIEW = "webview";

    MyWebView mWebView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.webview_activity);

        mWebView = findViewById(R.id.webview);
        mWebView.setWebViewClient(new WebViewClient() {
            // WebView does not set the WebDomain on file:// requests, so we need to use an https://
            // request and intercept it to provide the real data.
            @Override
            public WebResourceResponse shouldInterceptRequest(WebView view,
                    WebResourceRequest request) {
                final String url = request.getUrl().toString();
                if (!url.equals(FAKE_URL)) {
                    Log.d(TAG, "Ignoring " + url);
                    return super.shouldInterceptRequest(view, request);
                }

                final String rawPath = request.getUrl().getPath().substring(1); // Remove leading /
                Log.d(TAG, "Converting " + url + " to " + rawPath);
                // NOTE: cannot use try() because it would close the stream before WebView uses it.
                try {
                    return new WebResourceResponse("text/html", "utf-8", getAssets().open(rawPath));
                } catch (IOException e) {
                    throw new IllegalArgumentException("Error opening " + rawPath, e);
                }
            }
        });
        mWebView.loadUrl(FAKE_URL);
    }

    public UiObject2 getUsernameLabel(UiBot uiBot) {
        return getLabel(uiBot, "Username: ");
    }

    public UiObject2 getPasswordLabel(UiBot uiBot) {
        return getLabel(uiBot, "Password: ");
    }

    public UiObject2 getUsernameInput(UiBot uiBot) {
        return getInput(uiBot, "Username: ");
    }

    public UiObject2 getPasswordInput(UiBot uiBot) {
        return getInput(uiBot, "Password: ");
    }

    public UiObject2 getLoginButton(UiBot uiBot) {
        return getLabel(uiBot, "Login");
    }

    private UiObject2 getLabel(UiBot uiBot, String label) {
        try {
            return uiBot.assertShownByContentDescription(label);
        } catch (Throwable t) {
            return uiBot.assertShownByText(label);
        }
    }

    private UiObject2 getInput(UiBot uiBot, String contentDescription) {
        // First get the label..
        final UiObject2 label = getLabel(uiBot, contentDescription);

        // Then the input is next.
        final UiObject2 parent = label.getParent();
        UiObject2 previous = null;
        for (UiObject2 child : parent.getChildren()) {
            if (label.equals(previous)) {
                if (child.getClassName().equals(EditText.class.getName())) {
                    return child;
                }
                throw new IllegalStateException("Invalid class for " + child);
            }
            previous = child;
        }
        throw new IllegalStateException("could not find username (label=" + label + ")");
    }
}