[Passwords TTF] Add integration tests

This CL adds a few integration tests. They stop at the bridge since the
execution of native code slows the tests down, introduces flakiness and
most-likely doesn't work on Kitkat.

Bug: 957532
Change-Id: I291c50ef7b8772198c89109bbe3acd885a43d054
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1845372
Commit-Queue: Friedrich [CET] <fhorschig@chromium.org>
Reviewed-by: Jan Wilken Dörrie <jdoerrie@chromium.org>
Cr-Commit-Position: refs/heads/master@{#703368}

chrome/browser/touch_to_fill/android/BUILD.gn

@@ -60,7 +60,10 @@ junit_binary("touch_to_fill_junit_tests") {
 android_library("test_java") {
   testonly = true
 
-  java_files = [ "javatests/src/org/chromium/chrome/browser/touch_to_fill/TouchToFillViewTest.java" ]
+  java_files = [
+    "javatests/src/org/chromium/chrome/browser/touch_to_fill/TouchToFillIntegrationTest.java",
+    "javatests/src/org/chromium/chrome/browser/touch_to_fill/TouchToFillViewTest.java",
+  ]
 
   deps = [
     ":public_java",
@@ -73,6 +76,7 @@ android_library("test_java") {
     "//chrome/test/android:chrome_java_test_support",
     "//content/public/test/android:content_java_test_support",
     "//third_party/android_deps:com_android_support_recyclerview_v7_java",
+    "//third_party/espresso:espresso_all_java",
     "//third_party/hamcrest:hamcrest_java",
     "//third_party/junit",
     "//third_party/mockito:mockito_java",

chrome/browser/touch_to_fill/android/javatests/src/org/chromium/chrome/browser/touch_to_fill/TouchToFillIntegrationTest.java

+// Copyright 2019 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.chrome.browser.touch_to_fill;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.timeout;
+import static org.mockito.Mockito.verify;
+
+import static org.chromium.content_public.browser.test.util.CriteriaHelper.pollUiThread;
+import static org.chromium.content_public.browser.test.util.TestThreadUtils.runOnUiThreadBlocking;
+
+import android.support.test.espresso.Espresso;
+import android.support.test.filters.MediumTest;
+import android.widget.ListView;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import org.chromium.base.test.util.CommandLineFlags;
+import org.chromium.base.test.util.RetryOnFailure;
+import org.chromium.base.test.util.ScalableTimeout;
+import org.chromium.chrome.browser.ChromeSwitches;
+import org.chromium.chrome.browser.touch_to_fill.data.Credential;
+import org.chromium.chrome.browser.widget.bottomsheet.BottomSheet.SheetState;
+import org.chromium.chrome.test.ChromeJUnit4ClassRunner;
+import org.chromium.chrome.test.ChromeTabbedActivityTestRule;
+import org.chromium.content_public.browser.test.util.CriteriaHelper;
+import org.chromium.content_public.browser.test.util.TouchCommon;
+
+import java.util.Arrays;
+
+/**
+ * Integration tests for the Touch To Fill component check that the calls to the Touch To Fill API
+ * end up rendering a View.
+ */
+@RunWith(ChromeJUnit4ClassRunner.class)
+@RetryOnFailure
+@CommandLineFlags.Add({ChromeSwitches.DISABLE_FIRST_RUN_EXPERIENCE})
+public class TouchToFillIntegrationTest {
+    private static final String EXAMPLE_URL = "www.example.xyz";
+    private static final String MOBILE_URL = "m.example.xyz";
+    private static final Credential ANA = new Credential("Ana", "S3cr3t", EXAMPLE_URL, false);
+    private static final Credential BOB = new Credential("Bob", "*****", MOBILE_URL, true);
+
+    private final TouchToFillComponent mTouchToFill = new TouchToFillCoordinator();
+
+    @Mock
+    private TouchToFillComponent.Delegate mMockBridge;
+
+    @Rule
+    public ChromeTabbedActivityTestRule mActivityTestRule = new ChromeTabbedActivityTestRule();
+
+    public TouchToFillIntegrationTest() {
+        MockitoAnnotations.initMocks(this);
+    }
+
+    @Before
+    public void setUp() throws InterruptedException {
+        mActivityTestRule.startMainActivityOnBlankPage();
+        runOnUiThreadBlocking(() -> {
+            mTouchToFill.initialize(mActivityTestRule.getActivity(),
+                    mActivityTestRule.getActivity().getBottomSheetController(), mMockBridge);
+        });
+    }
+
+    @Test
+    @MediumTest
+    public void testClickingSuggestionsTriggersCallback() {
+        runOnUiThreadBlocking(
+                () -> { mTouchToFill.showCredentials(EXAMPLE_URL, Arrays.asList(ANA, BOB)); });
+        pollUiThread(() -> getBottomSheetState() == SheetState.FULL);
+
+        pollUiThread(() -> getCredentials().getChildAt(1) != null);
+        TouchCommon.singleClickView(getCredentials().getChildAt(1));
+
+        waitForEvent(mMockBridge).onCredentialSelected(BOB);
+        verify(mMockBridge, never()).onDismissed();
+    }
+
+    @Test
+    @MediumTest
+    public void testBackDismissesAndCallsCallback() {
+        runOnUiThreadBlocking(
+                () -> { mTouchToFill.showCredentials(EXAMPLE_URL, Arrays.asList(ANA, BOB)); });
+        pollUiThread(() -> getBottomSheetState() == SheetState.FULL);
+
+        Espresso.pressBack();
+
+        waitForEvent(mMockBridge).onDismissed();
+        verify(mMockBridge, never()).onCredentialSelected(any());
+    }
+
+    private ListView getCredentials() {
+        return mActivityTestRule.getActivity().findViewById(R.id.credential_list);
+    }
+
+    public static <T> T waitForEvent(T mock) {
+        return verify(mock,
+                timeout(ScalableTimeout.scaleTimeout(CriteriaHelper.DEFAULT_MAX_TIME_TO_POLL)));
+    }
+
+    private @SheetState int getBottomSheetState() {
+        pollUiThread(() -> mActivityTestRule.getActivity().getBottomSheet() != null);
+        return mActivityTestRule.getActivity().getBottomSheet().getSheetState();
+    }
+}
\ No newline at end of file