테스트 - espresso 테스트 작성

1. espresso로 테스트 작성
2. Active Task UI 테스트 작성
3. Completed Task UI 테스트 작성

Author: cg072

app/src/androidTest/java/com/example/android/architecture/blueprints/todoapp/taskdetail/TaskDetailFragmentTest.kt

@@ -1,6 +1,12 @@
 package com.example.android.architecture.blueprints.todoapp.taskdetail
 
 import androidx.fragment.app.testing.launchFragmentInContainer
+import androidx.test.espresso.Espresso.onView
+import androidx.test.espresso.assertion.ViewAssertions.matches
+import androidx.test.espresso.matcher.ViewMatchers.isChecked
+import androidx.test.espresso.matcher.ViewMatchers.isDisplayed
+import androidx.test.espresso.matcher.ViewMatchers.withId
+import androidx.test.espresso.matcher.ViewMatchers.withText
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.filters.MediumTest
 import com.example.android.architecture.blueprints.todoapp.R
@@ -10,6 +16,7 @@ import com.example.android.architecture.blueprints.todoapp.data.source.TasksRepo
 import com.example.android.architecture.blueprints.todoapp.data.source.androidTest.FakeAndroidTestRepository
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.test.runBlockingTest
+import org.hamcrest.Matchers.not
 import org.junit.After
 import org.junit.Assert.*
 import org.junit.Before
@@ -43,5 +50,35 @@ class TaskDetailFragmentTest {
         // WHEN - Details fragment launched to display task
         val bundle = TaskDetailFragmentArgs(activeTask.id).toBundle()
         launchFragmentInContainer<TaskDetailFragment>(bundle, R.style.AppTheme)
+
+        // THEN - Task details are displayed on the screen
+        // make sure that the title/description are both shown and correct
+        onView(withId(R.id.task_detail_title_text)).check(matches(isDisplayed()))
+        onView(withId(R.id.task_detail_title_text)).check(matches(withText("Active Task")))
+        onView(withId(R.id.task_detail_description_text)).check(matches(isDisplayed()))
+        onView(withId(R.id.task_detail_description_text)).check(matches(withText("AndroidX Rocks")))
+        // and make sure the "active" checkbox is shown unchecked
+        onView(withId(R.id.task_detail_complete_checkbox)).check(matches(isDisplayed()))
+        onView(withId(R.id.task_detail_complete_checkbox)).check(matches(not(isChecked())))
+    }
+
+    @Test
+    fun completedTaskDetails_DisplayedInUi() = runBlockingTest{
+        // GIVEN - Add completed task to the DB
+        val activeTask = Task("Completed Task", "AndroidX Rocks", true)
+        repository.saveTask(activeTask)
+
+        // WHEN - Details fragment launched to display task
+        val bundle = TaskDetailFragmentArgs(activeTask.id).toBundle()
+        launchFragmentInContainer<TaskDetailFragment>(bundle, R.style.AppTheme)
+
+        // THEN - Task details are displayed on the screen
+        onView(withId(R.id.task_detail_title_text)).check(matches(isDisplayed()))
+        onView(withId(R.id.task_detail_title_text)).check(matches(withText("Completed Task")))
+        onView(withId(R.id.task_detail_description_text)).check(matches(isDisplayed()))
+        onView(withId(R.id.task_detail_description_text)).check(matches(withText("AndroidX Rocks")))
+        // make sure that the title/description are both shown and correct
+        onView(withId(R.id.task_detail_complete_checkbox)).check(matches(isDisplayed()))
+        onView(withId(R.id.task_detail_complete_checkbox)).check(matches(isChecked()))
     }
 }