This adds a test implementation of dispatchers with an injected TestDispatcher. The normal IO dispatcher is automatically swapped out via a TestInstallsIn in core-testing. This update also updates DataStore to use an injected dispatcher, which allows removing the waitUntil in the navigation tests because we can eagerly read from disk with runTest. Change-Id: I82abb8c8a57c2beed5ef37bf1e252acf379278cdpull/2/head
Alex Vanyo
3 years ago
parent
9c83cb7412
commit
506c98cc90
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/*
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* Copyright 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.samples.apps.nowinandroid.core.network
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import javax.inject.Qualifier
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import kotlin.annotation.AnnotationRetention.RUNTIME
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@Qualifier
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@Retention(RUNTIME)
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annotation class Dispatcher(val niaDispatcher: NiaDispatchers)
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enum class NiaDispatchers {
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IO
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}
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/*
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* Copyright 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.samples.apps.nowinandroid.core.testing.di
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import dagger.Module
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import dagger.Provides
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import dagger.hilt.InstallIn
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import dagger.hilt.components.SingletonComponent
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import javax.inject.Singleton
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import kotlinx.coroutines.test.TestDispatcher
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import kotlinx.coroutines.test.UnconfinedTestDispatcher
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@Module
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@InstallIn(SingletonComponent::class)
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object TestDispatcherModule {
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@Provides
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@Singleton
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fun providesTestDispatcher(): TestDispatcher = UnconfinedTestDispatcher()
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}
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@ -0,0 +1,38 @@
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/*
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* Copyright 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.samples.apps.nowinandroid.core.testing.di
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import com.google.samples.apps.nowinandroid.core.network.Dispatcher
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import com.google.samples.apps.nowinandroid.core.network.NiaDispatchers.IO
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import com.google.samples.apps.nowinandroid.core.network.di.DispatchersModule
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import dagger.Module
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import dagger.Provides
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import dagger.hilt.components.SingletonComponent
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import dagger.hilt.testing.TestInstallIn
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import kotlinx.coroutines.CoroutineDispatcher
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import kotlinx.coroutines.test.TestDispatcher
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@Module
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@TestInstallIn(
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components = [SingletonComponent::class],
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replaces = [DispatchersModule::class],
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)
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object TestDispatchersModule {
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@Provides
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@Dispatcher(IO)
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fun providesIODispatcher(testDispatcher: TestDispatcher): CoroutineDispatcher = testDispatcher
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}
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