76 lines
2.2 KiB
Kotlin
76 lines
2.2 KiB
Kotlin
/* 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.components
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import androidx.fragment.app.Fragment
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import androidx.fragment.app.testing.launchFragmentInContainer
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import kotlinx.coroutines.ObsoleteCoroutinesApi
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import mozilla.components.lib.state.Action
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import mozilla.components.lib.state.State
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import mozilla.components.lib.state.Store
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import org.junit.Assert.assertEquals
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import org.junit.Assert.assertFalse
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import org.junit.Assert.assertTrue
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import org.junit.Test
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import org.junit.runner.RunWith
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import org.mozilla.fenix.TestApplication
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import org.robolectric.RobolectricTestRunner
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import org.robolectric.annotation.Config
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@ObsoleteCoroutinesApi
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@RunWith(RobolectricTestRunner::class)
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@Config(application = TestApplication::class)
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class StoreProviderTest {
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private class BasicState : State
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private val basicStore = Store(BasicState()) { state, _: Action -> state }
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@Test
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fun `factory returns store provider`() {
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var createCalled = false
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val factory = StoreProviderFactory {
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createCalled = true
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basicStore
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}
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assertFalse(createCalled)
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assertEquals(basicStore, factory.create(StoreProvider::class.java).store)
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assertTrue(createCalled)
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}
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@Test
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fun `get returns store`() {
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val scenario = launchFragmentInContainer { Fragment() }
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scenario.onFragment {
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val store = StoreProvider.get(it) { basicStore }
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assertEquals(basicStore, store)
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}
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}
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@Test
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fun `get only calls createStore if needed`() {
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val scenario = launchFragmentInContainer { Fragment() }
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var createCalled = false
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val createStore = {
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createCalled = true
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basicStore
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}
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scenario.onFragment {
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StoreProvider.get(it, createStore)
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}
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assertTrue(createCalled)
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createCalled = false
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scenario.onFragment {
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StoreProvider.get(it, createStore)
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}
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assertFalse(createCalled)
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}
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}
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