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Copy pathuseAddBackButton.test.ts
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34 lines (29 loc) · 1020 Bytes
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import { NativeStackNavigationProp } from '@react-navigation/native-stack'
import { OnboardingStackParamList } from 'src/app/navigation/types'
import { renderHook } from 'src/test/test-utils'
import { useAddBackButton } from 'src/utils/useAddBackButton'
const setOptionsSpy = jest.fn()
describe(useAddBackButton, () => {
it('sets navigation options when item is first in stack', () => {
renderHook(() =>
useAddBackButton({
getState: () => ({
index: 0,
}),
setOptions: setOptionsSpy,
} as unknown as NativeStackNavigationProp<OnboardingStackParamList>),
)
expect(setOptionsSpy).toHaveBeenCalled()
})
it("doesn't set navigation options for subsequent stack levels", () => {
renderHook(() =>
useAddBackButton({
getState: () => ({
index: 1,
}),
setOptions: setOptionsSpy,
} as unknown as NativeStackNavigationProp<OnboardingStackParamList>),
)
expect(setOptionsSpy).not.toHaveBeenCalled()
})
})