diff --git a/app/src/test/java/com/hieuwu/groceriesstore/domain/usecases/impl/SubmitOrderUseCaseImplTest.kt b/app/src/test/java/com/hieuwu/groceriesstore/domain/usecases/impl/SubmitOrderUseCaseImplTest.kt
new file mode 100644
index 00000000..9686e288
--- /dev/null
+++ b/app/src/test/java/com/hieuwu/groceriesstore/domain/usecases/impl/SubmitOrderUseCaseImplTest.kt
@@ -0,0 +1,51 @@
+package com.hieuwu.groceriesstore.domain.usecases.impl
+
+import com.hieuwu.groceriesstore.data.repository.OrderRepository
+import com.hieuwu.groceriesstore.domain.models.OrderModel
+import com.hieuwu.groceriesstore.domain.usecases.SubmitOrderUseCase
+import kotlinx.coroutines.runBlocking
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mock
+import org.mockito.junit.MockitoJUnitRunner
+import org.mockito.kotlin.any
+import org.mockito.kotlin.verify
+import org.mockito.kotlin.whenever
+
+@RunWith(MockitoJUnitRunner::class)
+class SubmitOrderUseCaseImplTest {
+
+    @Mock
+    lateinit var mockedOrderRepository: OrderRepository
+
+    private lateinit var testee: SubmitOrderUseCase
+
+    @Before
+    fun setUp() {
+        testee = SubmitOrderUseCaseImpl(
+            orderRepository = mockedOrderRepository
+        )
+    }
+
+    @Test
+    fun whenExecute_thenSubmitOrderSuccessfully() {
+        runBlocking {
+            whenever(mockedOrderRepository.sendOrderToServer(any())).thenReturn(true)
+            testee.execute(
+                SubmitOrderUseCase.Input(
+                    order = OrderModel(
+                        lineItemList = mutableListOf()
+                    )
+                )
+            )
+
+            verify(mockedOrderRepository).sendOrderToServer(
+                OrderModel(
+                    lineItemList = mutableListOf()
+                )
+            )
+        }
+    }
+
+}
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