For #19797 - Use the FXA email only if the account is authenticated

An account may exist but it may need to be re-authenticated.
In this case also the email should not be exposed to the app.

app/src/main/java/org/mozilla/fenix/components/accounts/FenixAccountManager.kt

@@ -18,8 +18,15 @@ open class FenixAccountManager(context: Context) {
     val authenticatedAccount
         get() = accountManager.authenticatedAccount() != null
 
-    val accountProfileEmail
-        get() = accountManager.accountProfile()?.email
+    /**
+     * Returns the Firefox Account email if authenticated in the app, `null` otherwise.
+     */
+    val accountProfileEmail: String?
+        get() = if (accountState == AccountState.AUTHENTICATED) {
+            accountManager.accountProfile()?.email
+        } else {
+            null
+        }
 
     /**
      * The current state of the Firefox Account. See [AccountState].

app/src/main/java/org/mozilla/fenix/components/toolbar/DefaultToolbarMenu.kt

@@ -332,16 +332,8 @@ open class DefaultToolbarMenu(
         onItemTapped.invoke(ToolbarMenu.Item.Quit)
     }
 
-    private fun getSyncItemTitle(): String {
-        val authenticatedAccount = accountManager.authenticatedAccount
-        val email = accountManager.accountProfileEmail
-
-        return if (authenticatedAccount && !email.isNullOrEmpty()) {
-            email
-        } else {
-            context.getString(R.string.sync_menu_sign_in)
-        }
-    }
+    private fun getSyncItemTitle() =
+        accountManager.accountProfileEmail ?: context.getString(R.string.sync_menu_sign_in)
 
     val syncMenuItem = BrowserMenuImageText(
         getSyncItemTitle(),

app/src/main/java/org/mozilla/fenix/home/HomeMenu.kt

@@ -91,16 +91,8 @@ class HomeMenu(
         }
     }
 
-    private fun getSyncItemTitle(): String {
-        val authenticatedAccount = accountManager.authenticatedAccount
-        val email = accountManager.accountProfileEmail
-
-        return if (authenticatedAccount && !email.isNullOrEmpty()) {
-            email
-        } else {
-            context.getString(R.string.sync_menu_sign_in)
-        }
-    }
+    private fun getSyncItemTitle(): String =
+        accountManager.accountProfileEmail ?: context.getString(R.string.sync_menu_sign_in)
 
     private val syncSignInMenuItem = BrowserMenuImageText(
         getSyncItemTitle(),

app/src/test/java/org/mozilla/fenix/components/accounts/FenixAccountManagerTest.kt

@@ -14,11 +14,8 @@ import org.junit.Assert.assertEquals
 import org.junit.Assert.assertSame
 import org.junit.Before
 import org.junit.Test
-import org.junit.runner.RunWith
 import org.mozilla.fenix.ext.components
-import org.mozilla.fenix.helpers.FenixRobolectricTestRunner
 
-@RunWith(FenixRobolectricTestRunner::class)
 class FenixAccountManagerTest {
 
     private lateinit var fenixFxaManager: FenixAccountManager
@@ -36,32 +33,46 @@ class FenixAccountManagerTest {
     }
 
     @Test
-    fun `GIVEN an account exists THEN fetch the associated email address`() {
-        every { accountManagerComponent.authenticatedAccount() } returns account
-        every { accountManagerComponent.accountProfile() } returns profile
-        every { context.components.backgroundServices.accountManager } returns accountManagerComponent
-
-        fenixFxaManager = FenixAccountManager(context)
-
-        val emailAddress = "firefoxIsFun@test.com"
-        every { accountManagerComponent.accountProfile()?.email } returns emailAddress
-
-        val result = fenixFxaManager.accountProfileEmail
-        assertEquals(emailAddress, result)
-    }
-
-    @Test
-    fun `GIVEN an account does not exist THEN return null when fetching the associated email address`() {
+    fun `GIVEN an account does not exist WHEN accountProfileEmail is called THEN it returns null`() {
         every { accountManagerComponent.authenticatedAccount() } returns null
         every { accountManagerComponent.accountProfile() } returns null
         every { context.components.backgroundServices.accountManager } returns accountManagerComponent
-
         fenixFxaManager = FenixAccountManager(context)
 
         val result = fenixFxaManager.accountProfileEmail
+
         assertEquals(null, result)
     }
 
+    @Test
+    fun `GIVEN an account exists but needs to be re-authenticated WHEN accountProfileEmail is called THEN it returns null`() {
+        every { accountManagerComponent.authenticatedAccount() } returns account
+        every { accountManagerComponent.accountProfile() } returns profile
+        every { accountManagerComponent.accountProfile()?.email } returns "firefoxIsFun@test.com"
+        every { accountManagerComponent.accountNeedsReauth() } returns true
+        every { context.components.backgroundServices.accountManager } returns accountManagerComponent
+        fenixFxaManager = FenixAccountManager(context)
+
+        val result = fenixFxaManager.accountProfileEmail
+
+        assertEquals(null, result)
+    }
+
+    @Test
+    fun `GIVEN an account exists and doesn't need to be re-authenticated WHEN accountProfileEmail is called THEN it returns the associated email address`() {
+        every { accountManagerComponent.authenticatedAccount() } returns account
+        every { accountManagerComponent.accountProfile() } returns profile
+        val accountEmail = "firefoxIsFun@test.com"
+        every { accountManagerComponent.accountProfile()?.email } returns accountEmail
+        every { accountManagerComponent.accountNeedsReauth() } returns false
+        every { context.components.backgroundServices.accountManager } returns accountManagerComponent
+        fenixFxaManager = FenixAccountManager(context)
+
+        val result = fenixFxaManager.accountProfileEmail
+
+        assertEquals(accountEmail, result)
+    }
+
     @Test
     fun `GIVEN no account exists WHEN accountState is called THEN it returns AccountState#NO_ACCOUNT`() {
         every { context.components.backgroundServices.accountManager } returns accountManagerComponent