[fenix] Add tests for StartupReportFullyDrawn (https://github.com/mozilla-mobile/fenix/pull/12560)
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.fenix.perf
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import android.view.View
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import android.view.ViewTreeObserver
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import android.widget.LinearLayout
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import io.mockk.Called
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import io.mockk.MockKAnnotations
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import io.mockk.Runs
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import io.mockk.every
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import io.mockk.impl.annotations.MockK
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import io.mockk.just
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import io.mockk.mockk
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import io.mockk.slot
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import io.mockk.verify
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import kotlinx.android.synthetic.main.top_site_item.view.*
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import org.junit.Before
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import org.junit.Test
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import org.mozilla.fenix.HomeActivity
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import org.mozilla.fenix.R
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import org.mozilla.fenix.home.sessioncontrol.viewholders.topsites.TopSiteItemViewHolder
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import org.mozilla.fenix.perf.StartupTimelineStateMachine.StartupDestination
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import org.mozilla.fenix.perf.StartupTimelineStateMachine.StartupState
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class StartupReportFullyDrawnTest {
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@MockK private lateinit var activity: HomeActivity
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private lateinit var holder: TopSiteItemViewHolder
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@MockK(relaxed = true) private lateinit var rootContainer: LinearLayout
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@MockK(relaxed = true) private lateinit var holderItemView: View
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@MockK(relaxed = true) private lateinit var viewTreeObserver: ViewTreeObserver
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private lateinit var fullyDrawn: StartupReportFullyDrawn
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@Before
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fun setup() {
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MockKAnnotations.init(this)
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every { activity.findViewById<LinearLayout>(R.id.rootContainer) } returns rootContainer
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every { holderItemView.context } returns activity
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every { holderItemView.top_site_item } returns mockk(relaxed = true)
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holder = TopSiteItemViewHolder(holderItemView, mockk())
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every { rootContainer.viewTreeObserver } returns viewTreeObserver
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every { holderItemView.viewTreeObserver } returns viewTreeObserver
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fullyDrawn = StartupReportFullyDrawn()
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}
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@Test
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fun testOnActivityCreateEndHome() {
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// Only APP_LINK destination
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fullyDrawn.onActivityCreateEndHome(StartupState.Cold(StartupDestination.UNKNOWN), activity)
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fullyDrawn.onActivityCreateEndHome(StartupState.Cold(StartupDestination.HOMESCREEN), activity)
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verify { activity wasNot Called }
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// Only run once
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fullyDrawn.onActivityCreateEndHome(StartupState.Cold(StartupDestination.APP_LINK), activity)
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verify(exactly = 1) { activity.findViewById<LinearLayout>(R.id.rootContainer) }
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fullyDrawn.onActivityCreateEndHome(StartupState.Cold(StartupDestination.APP_LINK), activity)
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verify(exactly = 1) { activity.findViewById<LinearLayout>(R.id.rootContainer) }
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every { activity.reportFullyDrawn() } just Runs
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triggerPreDraw()
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verify { activity.reportFullyDrawn() }
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}
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@Test
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fun testOnTopSitesItemBound() {
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fullyDrawn.onTopSitesItemBound(StartupState.Cold(StartupDestination.HOMESCREEN), holder)
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every { activity.reportFullyDrawn() } just Runs
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triggerPreDraw()
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verify { activity.reportFullyDrawn() }
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}
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private fun triggerPreDraw() {
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val listener = slot<ViewTreeObserver.OnPreDrawListener>()
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verify { viewTreeObserver.addOnPreDrawListener(capture(listener)) }
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listener.captured.onPreDraw()
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}
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}
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