fun drawerNavigationFromTasksToStatistics()

in app/src/androidTestMock/java/com/example/android/architecture/blueprints/todoapp/tasks/AppNavigationTest.kt [97:125]

• 17 lines of code
• 1 McCabe index (conditional complexity)

    fun drawerNavigationFromTasksToStatistics() {
        // start up Tasks screen
        val activityScenario = ActivityScenario.launch(TasksActivity::class.java)
        dataBindingIdlingResource.monitorActivity(activityScenario)

        onView(withId(R.id.drawer_layout))
            .check(matches(isClosed(Gravity.START))) // Left Drawer should be closed.
            .perform(open()) // Open Drawer

        // Start statistics screen.
        onView(withId(R.id.nav_view))
            .perform(navigateTo(R.id.statistics_fragment_dest))

        // Check that statistics screen was opened.
        onView(withId(R.id.statistics_layout)).check(matches(isDisplayed()))

        onView(withId(R.id.drawer_layout))
            .check(matches(isClosed(Gravity.START))) // Left Drawer should be closed.
            .perform(open()) // Open Drawer

        // Start tasks screen.
        onView(withId(R.id.nav_view))
            .perform(navigateTo(R.id.tasks_fragment_dest))

        // Check that tasks screen was opened.
        onView(withId(R.id.tasks_container_layout)).check(matches(isDisplayed()))
        // When using ActivityScenario.launch, always call close()
        activityScenario.close()
    }