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| Original file line number | Diff line number | Diff line change |
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@@ -53,7 +53,7 @@ class FragmentLifecycleTest { | |
| } | ||
| } | ||
| bind(featureFactory) | ||
| } | ||
| }, | ||
| ) | ||
| } | ||
| } | ||
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79 changes: 79 additions & 0 deletions
79
...id/src/test/java/com/instacart/formula/android/internal/FormulaFragmentViewFactoryTest.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| package com.instacart.formula.android.internal | ||
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| import com.google.common.truth.Truth | ||
| import com.instacart.formula.android.Feature | ||
| import com.instacart.formula.android.FeatureEvent | ||
| import com.instacart.formula.android.FragmentEnvironment | ||
| import com.instacart.formula.android.FragmentId | ||
| import com.instacart.formula.android.ViewFactory | ||
| import io.reactivex.rxjava3.core.Observable | ||
| import org.junit.Test | ||
| import java.lang.RuntimeException | ||
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|
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| class FormulaFragmentViewFactoryTest { | ||
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| @Test fun `throws an exception if feature provider returns null`() { | ||
| val viewFactory = viewFactory { null } | ||
| val result = runCatching { viewFactory.viewFactory() } | ||
| Truth.assertThat(result.exceptionOrNull()).hasMessageThat().contains( | ||
| "Could not find feature for " | ||
| ) | ||
| } | ||
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| @Test fun `throws an exception if feature is not registered`() { | ||
| val viewFactory = viewFactory { | ||
| FeatureEvent.MissingBinding(it) | ||
| } | ||
| val result = runCatching { viewFactory.viewFactory() } | ||
| Truth.assertThat(result.exceptionOrNull()).hasMessageThat().contains( | ||
| "Missing feature factory or integration for" | ||
| ) | ||
| } | ||
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| @Test fun `throws an exception if feature failed to initialize`() { | ||
| val viewFactory = viewFactory { | ||
| FeatureEvent.Failure(it, RuntimeException("Something went wrong")) | ||
| } | ||
| val result = runCatching { viewFactory.viewFactory() } | ||
| Truth.assertThat(result.exceptionOrNull()).hasMessageThat().contains( | ||
| "Feature failed to initialize:" | ||
| ) | ||
| } | ||
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| @Test fun `only initializes the view factory once`() { | ||
| var timesCalled = 0 | ||
| val viewFactory = viewFactory { | ||
| timesCalled += 1 | ||
| val feature = Feature( | ||
| state = Observable.empty(), | ||
| viewFactory = ViewFactory { _, _ -> | ||
| error("should not be called") | ||
| } | ||
| ) | ||
| FeatureEvent.Init(it, feature) | ||
| } | ||
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| viewFactory.viewFactory() | ||
| viewFactory.viewFactory() | ||
| viewFactory.viewFactory() | ||
| viewFactory.viewFactory() | ||
| Truth.assertThat(timesCalled).isEqualTo(1) | ||
| } | ||
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| private fun viewFactory( | ||
| delegateGetFeature: (FragmentId) -> FeatureEvent?, | ||
| ): FormulaFragmentViewFactory { | ||
| return FormulaFragmentViewFactory( | ||
| environment = FragmentEnvironment(), | ||
| fragmentId = FragmentId( | ||
| instanceId = "instanceId", | ||
| key = EmptyFragmentKey(tag = "tag") | ||
| ), | ||
| featureProvider = object : FeatureProvider { | ||
| override fun getFeature(id: FragmentId): FeatureEvent? { | ||
| return delegateGetFeature(id) | ||
| } | ||
| } | ||
| ) | ||
| } | ||
| } |