[Android] Enable WebAPK to have multiple intent filters

chrome/android/webapk/shell_apk/junit/src/org/chromium/webapk/shell_apk/MainActivityTest.java

Index: chrome/android/webapk/shell_apk/junit/src/org/chromium/webapk/shell_apk/MainActivityTest.java
diff --git a/chrome/android/webapk/shell_apk/junit/src/org/chromium/webapk/shell_apk/MainActivityTest.java b/chrome/android/webapk/shell_apk/junit/src/org/chromium/webapk/shell_apk/MainActivityTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..8f961e188a5538d5e3b840a41d2bd11ac69eeb9e
--- /dev/null
+++ b/chrome/android/webapk/shell_apk/junit/src/org/chromium/webapk/shell_apk/MainActivityTest.java
@@ -0,0 +1,102 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.webapk.shell_apk;
+
+import android.content.Intent;
+import android.content.pm.ActivityInfo;
+import android.content.pm.ResolveInfo;
+import android.net.Uri;
+import android.os.Bundle;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.Robolectric;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+import org.robolectric.shadows.ShadowApplication;
+
+import org.chromium.testing.local.LocalRobolectricTestRunner;
+import org.chromium.webapk.lib.common.WebApkConstants;
+import org.chromium.webapk.lib.common.WebApkMetaDataKeys;
+import org.chromium.webapk.test.WebApkTestHelper;
+
+/** Unit tests for {@link MainActivity}. */
+@RunWith(LocalRobolectricTestRunner.class)
+@Config(manifest = Config.NONE, packageName = WebApkUtilsTest.WEBAPK_PACKAGE_NAME)
+public final class MainActivityTest {
+    /**
+     * Test that MainActivity rewrites the start URL when the start URL from the intent is outside
+     * the scope specified in the Android Manifest.
+     */
+    @Test
+    public void testRewriteStartUrlSchemeAndHost() {
+        final String intentStartUrl = "http://www.google.ca/search_results?q=eh#cr=countryCA";
+        final String expectedRewrittenStartUrl =
+                "https://www.google.com/search_results?q=eh#cr=countryCA";
+        final String manifestStartUrl = "https://www.google.com/";
+        final String manifestScope = "https://www.google.com/";
+        final String browserPackageName = "com.android.chrome";
+
+        Bundle bundle = new Bundle();
+        bundle.putString(WebApkMetaDataKeys.START_URL, manifestStartUrl);
+        bundle.putString(WebApkMetaDataKeys.SCOPE, manifestScope);
+        bundle.putString(WebApkMetaDataKeys.RUNTIME_HOST, browserPackageName);
+        WebApkTestHelper.registerWebApkWithMetaData(WebApkUtilsTest.WEBAPK_PACKAGE_NAME, bundle);
+
+        installBrowser(browserPackageName);
+
+        Intent launchIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(intentStartUrl));
+        Robolectric.buildActivity(MainActivity.class).withIntent(launchIntent).create();
+
+        Intent startActivityIntent = ShadowApplication.getInstance().getNextStartedActivity();
+        Assert.assertEquals(MainActivity.ACTION_START_WEBAPK, startActivityIntent.getAction());
+        Assert.assertEquals(expectedRewrittenStartUrl,
+                startActivityIntent.getStringExtra(WebApkConstants.EXTRA_URL));
+    }
+
+    /**
+     * Test that MainActivity rewrites the start URL host so that it matches exactly the scope URL
+     * host. In particular, MainActivity should not escape unicode characters.
+     */
+    @Test
+    public void testRewriteUnicodeHost() {
+        final String intentStartUrl = "https://www.google.com/";
+        final String expectedStartUrl = "https://www.☺.com/";
+        final String manifestStartUrl = "https://www.☺.com/";
+        final String scope = "https://www.☺.com/";
+        final String browserPackageName = "com.android.chrome";
+
+        Bundle bundle = new Bundle();
+        bundle.putString(WebApkMetaDataKeys.START_URL, manifestStartUrl);
+        bundle.putString(WebApkMetaDataKeys.SCOPE, scope);
+        bundle.putString(WebApkMetaDataKeys.RUNTIME_HOST, browserPackageName);
+        WebApkTestHelper.registerWebApkWithMetaData(WebApkUtilsTest.WEBAPK_PACKAGE_NAME, bundle);
+
+        installBrowser(browserPackageName);
+
+        Intent launchIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(intentStartUrl));
+        Robolectric.buildActivity(MainActivity.class).withIntent(launchIntent).create();
+
+        Intent startActivityIntent = ShadowApplication.getInstance().getNextStartedActivity();
+        Assert.assertEquals(MainActivity.ACTION_START_WEBAPK, startActivityIntent.getAction());
+        Assert.assertEquals(
+                expectedStartUrl, startActivityIntent.getStringExtra(WebApkConstants.EXTRA_URL));
+    }
+
+    private void installBrowser(String browserPackageName) {
+        Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://"));
+        RuntimeEnvironment.getRobolectricPackageManager().addResolveInfoForIntent(
+                intent, newResolveInfo(browserPackageName));
+    }
+
+    private static ResolveInfo newResolveInfo(String packageName) {
+        ActivityInfo activityInfo = new ActivityInfo();
+        activityInfo.packageName = packageName;
+        ResolveInfo resolveInfo = new ResolveInfo();
+        resolveInfo.activityInfo = activityInfo;
+        return resolveInfo;
+    }
+}