NavigationOverlayFragmentTest.kt

Enable keyboard shortcuts

/* 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.tv.firefox.navigationoverlay

import android.view.KeyEvent

import io.mockk.MockKAnnotations

import io.mockk.impl.annotations.MockK

import io.mockk.verify

import org.junit.Before

import org.junit.Test

import org.junit.runner.RunWith

import org.mozilla.tv.firefox.helpers.KeyEventHelper

import org.mozilla.tv.firefox.telemetry.MenuInteractionMonitor

import org.mozilla.tv.firefox.helpers.FirefoxRobolectricTestRunner

@RunWith(FirefoxRobolectricTestRunner::class)

class NavigationOverlayFragmentTest {

    private lateinit var navigationOverlayFragment: NavigationOverlayFragment

    @MockK(relaxUnitFun = true) private lateinit var menuInteractionMonitor: MenuInteractionMonitor

    @Before

    fun setUp() {

        MockKAnnotations.init(this)

        navigationOverlayFragment = NavigationOverlayFragment()

    @Test

    fun `WHEN dispatchKeyEvent is called with a SELECT DOWN event THEN the menuInteractionMonitor is notified`() {

        // This test is tightly coupled to the implementation but that's okay: it's intention is to make sure no one

        // forgets to update the MenuInteractionMonitor if this code changes and I'd rather it break more often than not.

//

        // The implementation only checks the menu monitor on down events so we only check with those.

        val keyEvents = getDpadSelectDownEvents()

        keyEvents.forEach { navigationOverlayFragment.dispatchKeyEvent(it, menuInteractionMonitor) }

        verify(exactly = keyEvents.size) { menuInteractionMonitor.selectPressed() }

    @Test

    fun `WHEN dispatchKeyEvent is called with a non-SELECT event THEN the menuInteractionMonitor is not notified`() {

        // This test is tightly coupled to the implementation: see test above.

        getNonDpadSelectEvents().forEach { navigationOverlayFragment.dispatchKeyEvent(it, menuInteractionMonitor) }

        verify(exactly = 0) { menuInteractionMonitor.selectPressed() }

    private fun getNonDpadSelectEvents(): List<KeyEvent> = KeyEventHelper.getRandomKeyEventsExcept(listOf(

        KeyEvent.KEYCODE_DPAD_CENTER,

        KeyEvent.KEYCODE_ENTER

))

    private fun getDpadSelectDownEvents(): List<KeyEvent> = KeyEventHelper.getDownUpKeyEvents(listOf(

        KeyEvent.KEYCODE_DPAD_CENTER,

        KeyEvent.KEYCODE_ENTER

    )).filter { it.action == KeyEvent.ACTION_DOWN }