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Add GTest utility methods to test C++ Turbo Module EventEmitters (#54060)

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Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/54060

Changelog: [Internal]

Adds a test case to assert Turbo Module eventEmitter properties in GTests

Reviewed By: javache

Differential Revision: D83280050

fbshipit-source-id: 6c05d779c38a6988f07a11ccb436429aa1a12975
This commit is contained in:
Christoph Purrer
2025-10-13 20:21:32 -07:00
committed by meta-codesync[bot]
parent 0fd24c75a1
commit 6d7a93f2b1
4 changed files with 78 additions and 4 deletions
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packages/rn-tester/NativeCxxModuleExample/tests/NativeCxxModuleExampleTests.cpp
+21 -1
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@@ -8,7 +8,6 @@
#include <NativeCxxModuleExample/NativeCxxModuleExample.h>
#include <ReactCommon/TurboModuleTestFixture.h>
#include <gtest/gtest.h>
#include <list>
#include <memory>
#include <optional>
#include <vector>
@@ -172,4 +171,25 @@ TEST_F(
EXPECT_EQ(module_->getWithWithOptionalArgs(*runtime_, false), false);
}
TEST_F(NativeCxxModuleExampleTests, VoidFunEmitsEvents) {
int onPressCalled = 0;
std::string onClickCalled;
auto onPressSubscription = addEventEmitterListener<>(
*runtime_, "onPress", [&]() { onPressCalled++; });
addEventEmitterListener<std::string>(
*runtime_, "onClick", [&](const std::string& event) {
onClickCalled = event;
});
module_->voidFunc(*runtime_);
jsInvoker_->flushQueue();
EXPECT_EQ(onPressCalled, 1);
EXPECT_EQ(onClickCalled, "value from callback on click!");
onPressSubscription.remove();
jsInvoker_->flushQueue();
module_->voidFunc(*runtime_);
jsInvoker_->flushQueue();
EXPECT_EQ(onPressCalled, 1);
}
} // namespace facebook::react