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LenientStubberTest.kt
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LenientStubberTest.kt
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package test
import org.junit.Assert
import org.junit.Rule
import org.junit.Test
import org.mockito.Mockito.lenient
import org.mockito.junit.MockitoJUnit
import org.mockito.junit.MockitoRule
import org.mockito.kotlin.any
import org.mockito.kotlin.doReturn
import org.mockito.kotlin.mock
import org.mockito.kotlin.whenever
import org.mockito.quality.Strictness
open class LenientStubberTest {
@get:Rule
val rule: MockitoRule = MockitoJUnit.rule().strictness(Strictness.STRICT_STUBS)
@Test
fun unused_and_lenient_stubbings() {
val mock = mock<MutableList<String>>()
lenient().whenever(mock.add("one")).doReturn(true)
whenever(mock[any()]).doReturn("hello")
Assert.assertEquals("List should contain hello", "hello", mock[1])
}
@Test
fun unused_and_lenient_stubbings_with_unit() {
val mock = mock<MutableList<String>>()
lenient().whenever { mock.add("one") }.doReturn(true)
whenever(mock[any()]).doReturn("hello")
Assert.assertEquals("List should contain hello", "hello", mock[1])
}
@Test
fun unused_and_lenient_stubbings_with_nullable() {
val mock = mock<NullableToString>()
lenient().whenever(mock.returnsNullableString()).doReturn(null)
whenever(mock.returnsNonNullableString()).doReturn("hello")
Assert.assertEquals("Should return hello", "hello", mock.returnsNonNullableString())
}
private class NullableToString {
fun returnsNullableString(): String? = ""
fun returnsNonNullableString(): String = ""
}
}