Parameterized controller tests

ControllerTests.kt

import org.junit.jupiter.api.Assertions.assertEquals
import org.junit.jupiter.api.DisplayName
import org.junit.jupiter.api.MethodSource
import org.junit.jupiter.params.ParameterizedTest
import org.junit.jupiter.params.provider.Arguments
import org.springframework.beans.factory.annotation.Autowired
import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc
import org.springframework.boot.test.context.SpringBootTest
import org.springframework.http.HttpStatus
import org.springframework.http.MediaType
import org.springframework.test.web.servlet.MockMvc
import org.springframework.test.web.servlet.get
import java.util.stream.Stream

@SpringBootTest
@AutoConfigureMockMvc
class ControllerTests(@Autowired val mvc: MockMvc) {

    companion object {
        private val users = listOf("user1" to "password1", "user2" to "password2", "user3" to "password3")

        @JvmStatic
        fun userAndStatusProvider(expectedStatuses: List<HttpStatus>): Stream<Arguments> {
            return users.zip(expectedStatuses) { (user, password), status ->
                Arguments.of(user, password, status)
            }.stream()
        }

        @JvmStatic
        fun testCases(): Stream<Arguments> {
            val statuses = listOf(HttpStatus.OK, HttpStatus.FORBIDDEN, HttpStatus.UNAUTHORIZED)
            return userAndStatusProvider(statuses)
        }
    }

    @ParameterizedTest
    @MethodSource("userAndStatusProvider")
    @DisplayName("Test various users and expected HTTP statuses")
    fun `test various users with expected statuses`(user: String, password: String, expectedStatus: HttpStatus) {
        mvc.get("/path/resource1") {
            with(httpBasic(user, password))
            accept(MediaType.APPLICATION_JSON)
        }
        .andDo { print() }
        .andExpect {
            status { isEqualTo(expectedStatus.value()) }
        }
    }
}