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Create method to test reload of ReactHost (#37981)

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Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/37981

This diff introduces a the test ReactHost.testReload() to verify that reloading of react host works as expected

changelog: [internal] internal

Reviewed By: cortinico

Differential Revision: D46813814

fbshipit-source-id: 59e23e2f296c81b7ca3decb81e1f53b5871bbff4
This commit is contained in:
David Vacca
2023-06-26 16:58:14 -07:00
committed by Facebook GitHub Bot
parent de786cddbc
commit 015e7cbd93
1 changed files with 18 additions and 0 deletions
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packages/react-native/ReactAndroid/src/test/java/com/facebook/react/bridgeless/ReactHostTest.java
+18
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@@ -22,6 +22,7 @@ import android.app.Activity;
import com.facebook.react.MemoryPressureRouter;
import com.facebook.react.bridge.JSBundleLoader;
import com.facebook.react.bridge.MemoryPressureListener;
import com.facebook.react.bridge.ReactContext;
import com.facebook.react.bridge.UIManager;
import com.facebook.react.bridgeless.internal.bolts.Task;
import com.facebook.react.bridgeless.internal.bolts.TaskCompletionSource;
@@ -150,6 +151,23 @@ public class ReactHostTest {
assertThat(mReactHost.getCurrentReactContext()).isNull();
}
@Test
public void testReload() throws Exception {
statAndTestReactHost();
ReactContext oldReactContext = mReactHost.getCurrentReactContext();
BridgelessReactContext newReactContext = mock(BridgelessReactContext.class);
assertThat(newReactContext).isNotEqualTo(oldReactContext);
whenNew(BridgelessReactContext.class).withAnyArguments().thenReturn(newReactContext);
waitForTaskUIThread(mReactHost.reload("Reload from testing infra"));
assertThat(mReactHost.isInstanceInitialized()).isTrue();
assertThat(mReactHost.getCurrentReactContext()).isNotNull();
assertThat(mReactHost.getCurrentReactContext()).isEqualTo(newReactContext);
assertThat(mReactHost.getCurrentReactContext()).isNotEqualTo(oldReactContext);
}
private static <T> void waitForTaskUIThread(Task<T> task) throws InterruptedException {
boolean isTaskCompleted = false;
while (!isTaskCompleted) {