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package test
import com.nhaarman.expect.expect
import org.junit.Test
import org.mockito.kotlin.*
import org.mockito.stubbing.Answer
class BDDMockitoTest {
@Test
fun given_will_properlyStubs() {
/* Given */
val mock = mock<Methods>()
/* When */
given(mock.stringResult()) will Answer<String> { "Test" }
/* Then */
expect(mock.stringResult()).toBe("Test")
}
@Test
fun given_willReturn_properlyStubs() {
/* Given */
val mock = mock<Methods>()
/* When */
given(mock.stringResult()).willReturn("Test")
/* Then */
expect(mock.stringResult()).toBe("Test")
}
@Test
fun givenLambda_willReturn_properlyStubs() {
/* Given */
val mock = mock<Methods>()
/* When */
given { mock.stringResult() }.willReturn("Test")
/* Then */
expect(mock.stringResult()).toBe("Test")
}
@Test
fun given_willReturnLambda_properlyStubs() {
/* Given */
val mock = mock<Methods>()
/* When */
given(mock.stringResult()).willReturn { "Test" }
/* Then */
expect(mock.stringResult()).toBe("Test")
}
@Test
fun givenLambda_willReturnLambda_properlyStubs() {
/* Given */
val mock = mock<Methods>()
/* When */
given { mock.stringResult() } willReturn { "Test" }
/* Then */
expect(mock.stringResult()).toBe("Test")
}
@Test
fun given_willAnswer_properlyStubs() {
/* Given */
val mock = mock<Methods>()
/* When */
given(mock.stringResult()).willAnswer { "Test" }
/* Then */
expect(mock.stringResult()).toBe("Test")
}
@Test
fun given_willAnswerInfix_properlyStubs() {
/* Given */
val mock = mock<Methods>()
/* When */
given(mock.stringResult()) willAnswer { "Test" }
/* Then */
expect(mock.stringResult()).toBe("Test")
}
@Test
fun given_willAnswerInfix_withInvocationInfo_properlyStubs() {
/* Given */
val mock = mock<Methods>()
/* When */
given(mock.stringResult(any())) willAnswer { invocation ->
(invocation.arguments[0] as String)
.reversed()
}
/* Then */
expect(mock.stringResult("Test")).toBe("tseT")
}
@Test(expected = IllegalStateException::class)
fun given_willThrowInfix_properlyStubs() {
/* Given */
val mock = mock<Methods>()
/* When */
given(mock.stringResult()) willThrow { IllegalStateException() }
mock.stringResult()
}
@Test
fun then() {
/* Given */
val mock = mock<Methods>()
whenever(mock.stringResult()).thenReturn("Test")
/* When */
mock.stringResult()
/* Then */
org.mockito.kotlin.then(mock).should().stringResult()
}
}
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