[fenix] Stub out tabs tests (https://github.com/mozilla-mobile/fenix/pull/4573)

app/src/androidTest/java/org/mozilla/fenix/ui/HomeScreenTest.kt

@@ -15,6 +15,8 @@ import org.mozilla.fenix.ui.robots.homeScreen
 /**
  *  Tests for verifying the presence of home screen and first-run homescreen elements
  *
+ *  Note: For private browsing, navigation bar and tabs see separate test class
+ *
  */
 
 class HomeScreenTest {

app/src/androidTest/java/org/mozilla/fenix/ui/TabsTest.kt

@@ -0,0 +1,122 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.fenix.ui
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.uiautomator.UiDevice
+import okhttp3.mockwebserver.MockWebServer
+import org.junit.Ignore
+import org.junit.Rule
+import org.junit.Test
+import org.junit.Before
+import org.junit.After
+import org.mozilla.fenix.helpers.AndroidAssetDispatcher
+import org.mozilla.fenix.helpers.HomeActivityTestRule
+import org.mozilla.fenix.helpers.TestAssetHelper
+import org.mozilla.fenix.ui.robots.homeScreen
+import org.mozilla.fenix.ui.robots.navigationToolbar
+
+/**
+ *  Tests for verifying basic functionality of tabs
+ *
+ */
+
+class TabsTest {
+    /* ktlint-disable no-blank-line-before-rbrace */ // This imposes unreadable grouping.
+
+    private val mDevice = UiDevice.getInstance(InstrumentationRegistry.getInstrumentation())
+    private lateinit var mockWebServer: MockWebServer
+
+    @get:Rule
+    val activityTestRule = HomeActivityTestRule()
+
+    @Before
+    fun setUp() {
+        mockWebServer = MockWebServer().apply {
+            setDispatcher(AndroidAssetDispatcher())
+            start()
+        }
+    }
+
+    @After
+    fun tearDown() {
+        mockWebServer.shutdown()
+    }
+
+    @Ignore("This is a stub test, ignore for now")
+    @Test
+    fun tabsItemsTest() {
+        homeScreen { }.dismissOnboarding()
+
+        // Setup browser so that tabs are visible in UI
+        // Verify all tabs elements are visible:
+        // "open tabs header, + button, etc.
+        // Verify tabs 3-dot menu elements
+    }
+
+    @Ignore("This is a stub test, ignore for now")
+    @Test
+    fun noTabsInCacheTest() {
+        // Verify open tabs header and text exists (when no previous browsing)
+        // Verify + button redirects to navigation bar UI
+        // Verify "Collections" header exists
+        // Verify "No collections" text (when no previous browsing)
+    }
+
+    @Ignore("This is a stub test, ignore for now")
+    @Test
+    fun browsingWithTabsTest() {
+        // Setup:
+        //  - Verify + button redirects to navigation bar UI
+        //  - Enter mock website via navigation bar
+        // Verify "Open tabs" header exits
+        // Verify Collections header exits
+        // Verify that tabs counter is augmented by 1 count
+        // Click on tabs counter
+        // Verify that new page is listed in "Open tabs"
+        // Repeat for several sites
+
+    }
+
+    @Ignore("This is a stub test, ignore for now")
+    @Test
+    fun tabsThreeDotMenuTest() {
+        // short 3-dot menu setup:
+        // - create multiple tabs (using mock web server) for the following...
+        // Verify tabs 3-dot menu functions:
+        //  1. "Close all tabs"
+        //  2. "Share tabs" - opens share sub-menu
+        //  3. "Save to collection" - verify saved to collection
+
+        // NOTE: extended 3 dot menu test is verified in a separate class
+    }
+
+    @Ignore("This is a stub test, ignore for now")
+    @Test
+    fun collectionsTest() {
+        // Setup:
+        // - create multiple tabs (using mock web server) for the following...
+        // Verify collections header exits
+        // Verify multiple collections can be saved, named
+        // Verify "Select tabs to save"
+        // Verify collections dropdown toggle
+        // Verify send and share button works - opens share menu
+
+        // Verify collections 3-dot menu functions:
+        // 1. Delete collection
+        // 2. Rename collection
+        // 3. Open tabs
+    }
+
+    @Ignore("This is a sample test, ignore")
+    @Test
+    fun sampleTest() {
+        val defaultWebPage = TestAssetHelper.getGenericAsset(mockWebServer, 1)
+
+        navigationToolbar {
+        }.enterURLAndEnterToBrowser(defaultWebPage.url) {
+        }
+    }
+}

app/src/androidTest/java/org/mozilla/fenix/ui/robots/TabsRobot.kt

@@ -0,0 +1,23 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+@file:Suppress("TooManyFunctions")
+
+package org.mozilla.fenix.ui.robots
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.uiautomator.UiDevice
+
+class TabsRobot {
+
+    // Tabs functions here
+
+    class Transition {
+        private val mDevice = UiDevice.getInstance(InstrumentationRegistry.getInstrumentation())
+
+        // Transition functions here
+    }
+}
+
+// Locaters here