[fenix] Add tests for some classes in home/browser (https://github.com/mozilla-mobile/fenix/pull/12837)

app/src/main/java/org/mozilla/fenix/browser/UriOpenedObserver.kt

@@ -12,6 +12,7 @@ import mozilla.components.browser.session.SessionManager
 import org.mozilla.fenix.components.metrics.MetricController
 import org.mozilla.fenix.ext.components
 import org.mozilla.fenix.ext.metrics
+import org.mozilla.fenix.ext.sessionsOfType
 import org.mozilla.fenix.ext.settings
 import org.mozilla.fenix.search.telemetry.ads.AdsTelemetry
 import org.mozilla.fenix.utils.Settings
@@ -44,25 +45,29 @@ class UriOpenedObserver(
         session.register(singleSessionObserver, owner)
     }
 
+    private fun saveOpenTabsCount() {
+        settings.setOpenTabsCount(sessionManager.sessionsOfType(private = false).count())
+    }
+
     override fun onAllSessionsRemoved() {
-        settings.setOpenTabsCount(sessionManager.sessions.filter { !it.private }.size)
+        saveOpenTabsCount()
         sessionManager.sessions.forEach {
             it.unregister(singleSessionObserver)
         }
     }
 
     override fun onSessionAdded(session: Session) {
-        settings.setOpenTabsCount(sessionManager.sessions.filter { !it.private }.size)
+        saveOpenTabsCount()
         session.register(singleSessionObserver, owner)
     }
 
     override fun onSessionRemoved(session: Session) {
-        settings.setOpenTabsCount(sessionManager.sessions.filter { !it.private }.size)
+        saveOpenTabsCount()
         session.unregister(singleSessionObserver)
     }
 
     override fun onSessionsRestored() {
-        settings.setOpenTabsCount(sessionManager.sessions.filter { !it.private }.size)
+        saveOpenTabsCount()
         sessionManager.sessions.forEach {
             it.register(singleSessionObserver, owner)
         }

app/src/main/java/org/mozilla/fenix/home/tips/ButtonTipViewHolder.kt

@@ -1,23 +1,32 @@
+/* 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.home.tips
 
 import android.view.View
-import androidx.recyclerview.widget.RecyclerView
+import androidx.core.view.isVisible
-import kotlinx.android.synthetic.main.button_tip_item.view.*
+import kotlinx.android.synthetic.main.button_tip_item.*
 import org.mozilla.fenix.BrowserDirection
 import org.mozilla.fenix.HomeActivity
 import org.mozilla.fenix.R
 import org.mozilla.fenix.components.metrics.Event
+import org.mozilla.fenix.components.metrics.MetricController
 import org.mozilla.fenix.components.tips.Tip
 import org.mozilla.fenix.components.tips.TipType
 import org.mozilla.fenix.ext.addUnderline
 import org.mozilla.fenix.ext.components
-import org.mozilla.fenix.ext.settings
 import org.mozilla.fenix.home.sessioncontrol.SessionControlInteractor
+import org.mozilla.fenix.utils.Settings
+import org.mozilla.fenix.utils.view.ViewHolder
 
 class ButtonTipViewHolder(
-    val view: View,
+    view: View,
-    val interactor: SessionControlInteractor
+    private val interactor: SessionControlInteractor,
-) : RecyclerView.ViewHolder(view) {
+    private val metrics: MetricController = view.context.components.analytics.metrics,
+    private val settings: Settings = view.context.components.settings
+) : ViewHolder(view) {
+
     var tip: Tip? = null
 
     fun bind(tip: Tip) {
@@ -25,44 +34,39 @@ class ButtonTipViewHolder(
 
         this.tip = tip
 
-        view.apply {
+        metrics.track(Event.TipDisplayed(tip.identifier))
-            context.components.analytics.metrics.track(Event.TipDisplayed(tip.identifier))
 
-            tip_header_text.text = tip.title
+        tip_header_text.text = tip.title
-            tip_description_text.text = tip.description
+        tip_description_text.text = tip.description
-            tip_button.text = tip.type.text
+        tip_button.text = tip.type.text
 
-            if (tip.learnMoreURL == null) {
+        tip_learn_more.isVisible = tip.learnMoreURL != null
-                tip_learn_more.visibility = View.GONE
+        if (tip.learnMoreURL != null) {
-            } else {
+            tip_learn_more.addUnderline()
-                tip_learn_more.addUnderline()
 
-                tip_learn_more.setOnClickListener {
+            tip_learn_more.setOnClickListener {
-                    (context as HomeActivity).openToBrowserAndLoad(
+                (itemView.context as HomeActivity).openToBrowserAndLoad(
-                        searchTermOrURL = tip.learnMoreURL,
+                    searchTermOrURL = tip.learnMoreURL,
-                        newTab = true,
+                    newTab = true,
-                        from = BrowserDirection.FromHome
+                    from = BrowserDirection.FromHome
-                    )
-                }
-            }
-
-            tip_button.setOnClickListener {
-                tip.type.action.invoke()
-                context.components.analytics.metrics.track(
-                    Event.TipPressed(tip.identifier)
                 )
             }
+        }
 
-            tip_close.setOnClickListener {
+        tip_button.setOnClickListener {
-                context.components.analytics.metrics.track(Event.TipClosed(tip.identifier))
+            tip.type.action.invoke()
+            metrics.track(Event.TipPressed(tip.identifier))
+        }
 
-                context.settings().preferences
+        tip_close.setOnClickListener {
-                    .edit()
+            metrics.track(Event.TipClosed(tip.identifier))
-                    .putBoolean(tip.identifier, false)
-                    .apply()
 
-                interactor.onCloseTip(tip)
+            settings.preferences
-            }
+                .edit()
+                .putBoolean(tip.identifier, false)
+                .apply()
+
+            interactor.onCloseTip(tip)
         }
     }
 

app/src/test/java/org/mozilla/fenix/browser/UriOpenedObserverTest.kt

@@ -5,7 +5,9 @@
 package org.mozilla.fenix.browser
 
 import androidx.lifecycle.LifecycleOwner
+import io.mockk.MockKAnnotations
 import io.mockk.every
+import io.mockk.impl.annotations.MockK
 import io.mockk.mockk
 import io.mockk.verify
 import mozilla.components.browser.session.Session
@@ -18,15 +20,16 @@ import org.mozilla.fenix.utils.Settings
 
 class UriOpenedObserverTest {
 
-    private val settings: Settings = mockk(relaxed = true)
+    @MockK(relaxed = true) private lateinit var settings: Settings
-    private val owner: LifecycleOwner = mockk(relaxed = true)
+    @MockK(relaxed = true) private lateinit var owner: LifecycleOwner
-    private val sessionManager: SessionManager = mockk(relaxed = true)
+    @MockK(relaxed = true) private lateinit var sessionManager: SessionManager
-    private val metrics: MetricController = mockk()
+    @MockK private lateinit var metrics: MetricController
-    private val ads: AdsTelemetry = mockk()
+    @MockK private lateinit var ads: AdsTelemetry
     private lateinit var observer: UriOpenedObserver
 
     @Before
     fun setup() {
+        MockKAnnotations.init(this)
         observer = UriOpenedObserver(settings, owner, sessionManager, metrics, ads)
     }
 
@@ -37,6 +40,14 @@ class UriOpenedObserverTest {
 
     @Test
     fun `registers single session observer`() {
+        every { sessionManager.sessions } returns listOf(
+            mockk {
+                every { private } returns false
+            },
+            mockk {
+                every { private } returns true
+            }
+        )
         val session: Session = mockk(relaxed = true)
 
         observer.onSessionAdded(session)
@@ -47,6 +58,8 @@ class UriOpenedObserverTest {
 
         observer.onSessionRemoved(session)
         verify { session.unregister(observer.singleSessionObserver) }
+
+        verify { settings.setOpenTabsCount(1) }
     }
 
     @Test

app/src/test/java/org/mozilla/fenix/browser/readermode/DefaultReaderModeControllerTest.kt

@@ -4,12 +4,16 @@
 
 package org.mozilla.fenix.browser.readermode
 
+import android.content.res.ColorStateList
 import android.view.View
+import android.widget.Button
+import android.widget.RadioButton
 import io.mockk.Called
 import io.mockk.every
 import io.mockk.mockk
 import io.mockk.spyk
 import io.mockk.verify
+import io.mockk.verifyAll
 import mozilla.components.browser.state.state.BrowserState
 import mozilla.components.browser.state.state.createTab
 import mozilla.components.browser.state.store.BrowserStore
@@ -19,6 +23,7 @@ import mozilla.components.support.test.robolectric.testContext
 import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
+import org.mozilla.fenix.R
 import org.mozilla.fenix.helpers.FenixRobolectricTestRunner
 
 @RunWith(FenixRobolectricTestRunner::class)
@@ -77,4 +82,40 @@ class DefaultReaderModeControllerTest {
         verify { readerViewFeature.showControls() }
         verify { readerViewControlsBar wasNot Called }
     }
+
+    @Test
+    fun testShowControlsPrivateTab() {
+        val controller = DefaultReaderModeController(
+            featureWrapper,
+            readerViewControlsBar,
+            isPrivate = true
+        )
+
+        val decrease = mockk<Button>(relaxUnitFun = true)
+        val increase = mockk<Button>(relaxUnitFun = true)
+        val serif = mockk<RadioButton>(relaxUnitFun = true)
+        val sansSerif = mockk<RadioButton>(relaxUnitFun = true)
+
+        every {
+            readerViewControlsBar.findViewById<Button>(R.id.mozac_feature_readerview_font_size_decrease)
+        } returns decrease
+        every {
+            readerViewControlsBar.findViewById<Button>(R.id.mozac_feature_readerview_font_size_increase)
+        } returns increase
+        every {
+            readerViewControlsBar.findViewById<RadioButton>(R.id.mozac_feature_readerview_font_serif)
+        } returns serif
+        every {
+            readerViewControlsBar.findViewById<RadioButton>(R.id.mozac_feature_readerview_font_sans_serif)
+        } returns sansSerif
+
+        controller.showControls()
+        verify { readerViewFeature.showControls() }
+        verifyAll {
+            decrease.setTextColor(any<ColorStateList>())
+            increase.setTextColor(any<ColorStateList>())
+            serif.setTextColor(any<ColorStateList>())
+            sansSerif.setTextColor(any<ColorStateList>())
+        }
+    }
 }

app/src/test/java/org/mozilla/fenix/home/tips/ButtonTipViewHolderTest.kt

@@ -0,0 +1,126 @@
+/* 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.home.tips
+
+import android.content.SharedPreferences
+import android.view.LayoutInflater
+import androidx.core.view.isGone
+import androidx.core.view.isVisible
+import io.mockk.MockKAnnotations
+import io.mockk.Runs
+import io.mockk.every
+import io.mockk.impl.annotations.MockK
+import io.mockk.just
+import io.mockk.mockk
+import io.mockk.spyk
+import io.mockk.verify
+import kotlinx.android.synthetic.main.button_tip_item.*
+import mozilla.components.support.test.robolectric.testContext
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertTrue
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mozilla.fenix.BrowserDirection
+import org.mozilla.fenix.HomeActivity
+import org.mozilla.fenix.components.metrics.Event
+import org.mozilla.fenix.components.metrics.MetricController
+import org.mozilla.fenix.components.tips.Tip
+import org.mozilla.fenix.components.tips.TipType
+import org.mozilla.fenix.helpers.FenixRobolectricTestRunner
+import org.mozilla.fenix.home.sessioncontrol.SessionControlInteractor
+import org.mozilla.fenix.utils.Settings
+
+@RunWith(FenixRobolectricTestRunner::class)
+class ButtonTipViewHolderTest {
+
+    @MockK private lateinit var activity: HomeActivity
+    @MockK private lateinit var interactor: SessionControlInteractor
+    @MockK(relaxed = true) private lateinit var metrics: MetricController
+    @MockK private lateinit var settings: Settings
+    @MockK private lateinit var sharedPrefs: SharedPreferences
+    @MockK private lateinit var sharedPrefsEditor: SharedPreferences.Editor
+    private lateinit var viewHolder: ButtonTipViewHolder
+
+    @Before
+    fun setup() {
+        MockKAnnotations.init(this)
+        val view = spyk(LayoutInflater.from(testContext)
+            .inflate(ButtonTipViewHolder.LAYOUT_ID, null))
+
+        viewHolder = ButtonTipViewHolder(view, interactor, metrics, settings)
+        every { view.context } returns activity
+        every { activity.openToBrowserAndLoad(any(), any(), any()) } just Runs
+        every { interactor.onCloseTip(any()) } just Runs
+        every { settings.preferences } returns sharedPrefs
+        every { sharedPrefs.edit() } returns sharedPrefsEditor
+        every { sharedPrefsEditor.putBoolean(any(), any()) } returns sharedPrefsEditor
+        every { sharedPrefsEditor.apply() } just Runs
+    }
+
+    @Test
+    fun `text is displayed based on given tip`() {
+        viewHolder.bind(defaultTip())
+
+        assertEquals("Tip Title", viewHolder.tip_header_text.text)
+        assertEquals("Tip description", viewHolder.tip_description_text.text)
+        assertEquals("button", viewHolder.tip_button.text)
+
+        verify { metrics.track(Event.TipDisplayed("tipIdentifier")) }
+    }
+
+    @Test
+    fun `learn more is hidden if learnMoreURL is null`() {
+        viewHolder.bind(defaultTip(learnMoreUrl = null))
+
+        assertTrue(viewHolder.tip_learn_more.isGone)
+    }
+
+    @Test
+    fun `learn more is visible if learnMoreURL is not null`() {
+        viewHolder.bind(defaultTip(learnMoreUrl = "https://learnmore.com"))
+
+        assertTrue(viewHolder.tip_learn_more.isVisible)
+
+        viewHolder.tip_learn_more.performClick()
+        verify { activity.openToBrowserAndLoad(
+            searchTermOrURL = "https://learnmore.com",
+            newTab = true,
+            from = BrowserDirection.FromHome
+        ) }
+    }
+
+    @Test
+    fun `tip button invokes tip action`() {
+        val action = mockk<() -> Unit>(relaxed = true)
+        viewHolder.bind(defaultTip(action))
+
+        viewHolder.tip_button.performClick()
+        verify { action() }
+        verify { metrics.track(Event.TipPressed("tipIdentifier")) }
+    }
+
+    @Test
+    fun `close button invokes onCloseTip`() {
+        val tip = defaultTip()
+        viewHolder.bind(tip)
+
+        viewHolder.tip_close.performClick()
+        verify { interactor.onCloseTip(tip) }
+        verify { metrics.track(Event.TipClosed("tipIdentifier")) }
+        verify { sharedPrefsEditor.putBoolean("tipIdentifier", false) }
+    }
+
+    private fun defaultTip(
+        action: () -> Unit = mockk(),
+        learnMoreUrl: String? = null
+    ) = Tip(
+        type = TipType.Button("button", action),
+        identifier = "tipIdentifier",
+        title = "Tip Title",
+        description = "Tip description",
+        learnMoreURL = learnMoreUrl
+    )
+}