add TransactionController

src/test/kotlin/ltd/lulz/controller/TransactionControllerTest.kt

@@ -0,0 +1,105 @@
+package ltd.lulz.controller
+
+import io.mockk.every
+import io.mockk.mockk
+import java.math.BigDecimal
+import java.util.UUID
+import ltd.lulz.controller.AccountControllerTest.Companion.name
+import ltd.lulz.exception.AccountNotFoundException
+import ltd.lulz.model.AccountEntity
+import ltd.lulz.model.Transaction
+import ltd.lulz.service.TransactionService
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.Test
+import org.springframework.http.MediaType.APPLICATION_JSON
+import org.springframework.test.web.reactive.server.WebTestClient
+import reactor.core.publisher.Mono
+
+@Suppress("ReactiveStreamsUnusedPublisher")
+class TransactionControllerTest {
+
+    companion object {
+        val amount: BigDecimal = BigDecimal.valueOf(0.01)
+        val uuid: UUID = UUID.fromString("00000000-0000-0000-0000-000000000000")
+    }
+
+    private val transactionService: TransactionService = mockk()
+    private lateinit var webTestClient: WebTestClient
+
+    @BeforeEach
+    fun setUp() {
+        webTestClient = WebTestClient.bindToController(TransactionController(transactionService)).build()
+    }
+
+    @Test
+    fun `deposit success`() {
+        // given
+        val request = Transaction.Request(uuid, amount)
+
+        every { transactionService.deposit(any(), any()) } returns Mono.just(
+            AccountEntity(id = uuid, name = name, amount = amount),
+        )
+
+        // when
+        val result = webTestClient.post()
+            .uri("/deposit")
+            .contentType(APPLICATION_JSON)
+            .bodyValue(request)
+            .exchange()
+
+        // then
+        result.expectStatus().isCreated
+    }
+
+    @Test
+    fun `deposit fail amount to small`() {
+        // given
+        val request = Transaction.Request(uuid, BigDecimal.valueOf(0.009))
+
+        // when
+        val result = webTestClient.post()
+            .uri("/deposit")
+            .contentType(APPLICATION_JSON)
+            .bodyValue(request)
+            .exchange()
+
+        // then
+        result.expectStatus().isBadRequest
+    }
+
+    @Test
+    fun `deposit default error`() {
+        // given
+        val request = Transaction.Request(uuid, amount)
+
+        every { transactionService.deposit(any(), any()) } returns Mono.error(RuntimeException())
+
+        // when
+        val result = webTestClient.post()
+            .uri("/deposit")
+            .contentType(APPLICATION_JSON)
+            .bodyValue(request)
+            .exchange()
+
+        // then
+        result.expectStatus().is5xxServerError
+    }
+
+    @Test
+    fun `deposit account not found`() {
+        // given
+        val request = Transaction.Request(uuid, amount)
+
+        every { transactionService.deposit(any(), any()) } returns Mono.error(AccountNotFoundException())
+
+        // when
+        val result = webTestClient.post()
+            .uri("/deposit")
+            .contentType(APPLICATION_JSON)
+            .bodyValue(request)
+            .exchange()
+
+        // then
+        result.expectStatus().isNotFound
+    }
+}