Add ComposeActivity tests. Add ServiceLocator (#542)

app/src/test/java/com/keylesspalace/tusky/ComposeActivityTest.kt

@@ -0,0 +1,103 @@
+package com.keylesspalace.tusky
+
+import android.widget.EditText
+import com.keylesspalace.tusky.db.AccountEntity
+import com.keylesspalace.tusky.db.AccountManager
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mockito
+import org.mockito.Mockito.`when`
+import org.robolectric.Robolectric
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.annotation.Config
+import org.robolectric.fakes.RoboMenuItem
+
+/**
+ * Created by charlag on 3/7/18.
+ */
+
+@Config(application = FakeTuskyApplication::class)
+@RunWith(RobolectricTestRunner::class)
+class ComposeActivityTest {
+
+    lateinit var activity: ComposeActivity
+    lateinit var application: FakeTuskyApplication
+    lateinit var serviceLocator: TuskyApplication.ServiceLocator
+    lateinit var accountManagerMock: AccountManager
+
+    val account = AccountEntity(
+            id = 1,
+            domain = "example.token",
+            accessToken = "token",
+            isActive = true,
+            accountId = "1",
+            username = "username",
+            displayName = "Display Name",
+            profilePictureUrl = "",
+            notificationsEnabled = true,
+            notificationsMentioned = true,
+            notificationsFollowed = true,
+            notificationsReblogged = true,
+            notificationsFavorited = true,
+            notificationSound = true,
+            notificationVibration = true,
+            notificationLight = true
+    )
+
+    @Before
+    fun before() {
+        val controller = Robolectric.buildActivity(ComposeActivity::class.java)
+        activity = controller.get()
+        application = activity.application as FakeTuskyApplication
+        serviceLocator = Mockito.mock(TuskyApplication.ServiceLocator::class.java)
+        application.locator = serviceLocator
+        accountManagerMock = Mockito.mock(AccountManager::class.java)
+        `when`(serviceLocator.get(AccountManager::class.java)).thenReturn(accountManagerMock)
+        `when`(accountManagerMock.activeAccount).thenReturn(account)
+        controller.create().start()
+    }
+
+    @Test
+    fun whenCloseButtonPressedAndEmpty_finish() {
+        clickUp()
+        assertTrue(activity.isFinishing)
+    }
+
+    @Test
+    fun whenCloseButtonPressedNotEmpty_notFinish() {
+        insertSomeTextInContent()
+        clickUp()
+        assertFalse(activity.isFinishing)
+        // We would like to check for dialog but Robolectric doesn't work with AppCompat v7 yet
+    }
+
+    @Test
+    fun whenBackButtonPressedAndEmpty_finish() {
+        clickBack()
+        assertTrue(activity.isFinishing)
+    }
+
+    @Test
+    fun whenBackButtonPressedNotEmpty_notFinish() {
+        insertSomeTextInContent()
+        clickBack()
+        assertFalse(activity.isFinishing)
+        // We would like to check for dialog but Robolectric doesn't work with AppCompat v7 yet
+    }
+
+    private fun clickUp() {
+        val menuItem = RoboMenuItem(android.R.id.home)
+        activity.onOptionsItemSelected(menuItem)
+    }
+
+    private fun clickBack() {
+        activity.onBackPressed()
+    }
+
+    private fun insertSomeTextInContent() {
+        activity.findViewById<EditText>(R.id.compose_edit_field).setText("Some text")
+    }
+}

app/src/test/java/com/keylesspalace/tusky/ExampleUnitTest.java

@@ -1,17 +0,0 @@
-package com.keylesspalace.tusky;
-
-import org.junit.Test;
-
-import static org.junit.Assert.*;
-
-/**
- * Example local unit test, which will execute on the development machine (host).
- *
- * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
- */
-public class ExampleUnitTest {
-    @Test
-    public void addition_isCorrect() throws Exception {
-        assertEquals(4, 2 + 2);
-    }
-}

app/src/test/java/com/keylesspalace/tusky/FakeTuskyApplication.kt

@@ -0,0 +1,18 @@
+package com.keylesspalace.tusky
+
+/**
+ * Created by charlag on 3/7/18.
+ */
+
+class FakeTuskyApplication : TuskyApplication() {
+
+    lateinit var locator: ServiceLocator
+
+    override fun initPicasso() {
+        // No-op
+    }
+
+    override fun getServiceLocator(): ServiceLocator {
+        return locator
+    }
+}