WebLayer: Add sanity test for Page Info UI.

Bug: none
Change-Id: I3a6df417b0bdbb105e0f22506ca764a2d328c818
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2347048Reviewed-by: Mugdha Lakhani <nator@chromium.org>
Commit-Queue: Evan Stade <estade@chromium.org>
Cr-Commit-Position: refs/heads/master@{#796504}

weblayer/browser/android/javatests/BUILD.gn

@@ -72,6 +72,7 @@ android_library("weblayer_private_java_tests") {
     "src/org/chromium/weblayer/test/InfoBarTest.java",
     "src/org/chromium/weblayer/test/MediaCaptureTest.java",
     "src/org/chromium/weblayer/test/NetworkChangeNotifierTest.java",
+    "src/org/chromium/weblayer/test/PageInfoTest.java",
     "src/org/chromium/weblayer/test/PopupTest.java",
     "src/org/chromium/weblayer/test/ResourceLoadingTest.java",
     "src/org/chromium/weblayer/test/TranslateTest.java",
@@ -87,6 +88,8 @@ android_library("weblayer_private_java_tests") {
     "//third_party/android_deps:android_support_v4_java",
     "//third_party/android_deps:androidx_fragment_fragment_java",
     "//third_party/android_deps:androidx_test_runner_java",
+    "//third_party/android_deps:espresso_java",
+    "//third_party/android_sdk:android_test_base_java",
     "//third_party/android_support_test_runner:rules_java",
     "//third_party/android_support_test_runner:runner_java",
     "//third_party/hamcrest:hamcrest_java",

weblayer/browser/android/javatests/src/org/chromium/weblayer/test/PageInfoTest.java

+// Copyright 2020 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.weblayer.test;
+
+import static androidx.test.espresso.Espresso.onView;
+import static androidx.test.espresso.assertion.ViewAssertions.matches;
+import static androidx.test.espresso.matcher.ViewMatchers.isDisplayed;
+import static androidx.test.espresso.matcher.ViewMatchers.withText;
+
+import android.content.Context;
+
+import androidx.test.filters.SmallTest;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.chromium.base.StrictModeContext;
+import org.chromium.content_public.browser.test.util.CriteriaHelper;
+import org.chromium.content_public.browser.test.util.CriteriaNotSatisfiedException;
+import org.chromium.content_public.browser.test.util.TestThreadUtils;
+import org.chromium.weblayer.TestWebLayer;
+import org.chromium.weblayer.shell.InstrumentationActivity;
+
+/**
+ * Tests the behavior of the Page Info UI.
+ */
+@RunWith(WebLayerJUnit4ClassRunner.class)
+public class PageInfoTest {
+    @Rule
+    public InstrumentationActivityTestRule mActivityTestRule =
+            new InstrumentationActivityTestRule();
+
+    @Test
+    @SmallTest
+    @MinWebLayerVersion(84)
+    public void testPageInfoLaunches() {
+        InstrumentationActivity activity = mActivityTestRule.launchShellWithUrl(
+                mActivityTestRule.getTestDataURL("simple_page.html"));
+
+        Context remoteContext = TestWebLayer.getRemoteContext(activity.getApplicationContext());
+        int buttonId = ResourceUtil.getIdentifier(remoteContext, "id/security_button");
+
+        TestThreadUtils.runOnUiThreadBlocking(() -> {
+            StrictModeContext ignored = StrictModeContext.allowDiskReads();
+            EventUtils.simulateTouchCenterOfView(activity.findViewById(buttonId));
+        });
+        CriteriaHelper.pollInstrumentationThread(() -> {
+            try {
+                onView(withText("Your connection to this site is not secure"))
+                        .check(matches(isDisplayed()));
+            } catch (Error e) {
+                throw new CriteriaNotSatisfiedException(e.toString());
+            }
+        });
+    }
+}