Improve test coverage for usecases

Author: Gerrit Garbereder

Task-Tracker-Usecases/src/commonTest/kotlin/com/garbereder/tasktracker/usecases/tasks/AddTaskDurationTests.kt

@@ -0,0 +1,33 @@
+package com.garbereder.tasktracker.usecases.tasks
+
+import com.garbereder.tasktracker.entities.Task
+import com.garbereder.tasktracker.entities.TaskCollection
+import com.garbereder.tasktracker.usecases.UseCases
+import io.mockative.Mock
+import io.mockative.classOf
+import io.mockative.given
+import io.mockative.mock
+import io.mockative.once
+import io.mockative.thenDoNothing
+import io.mockative.verify
+import kotlin.test.Test
+
+class AddTaskDurationTests {
+    @Mock
+    val collection = mock(classOf<TaskCollection>())
+
+    @Test
+    fun addDuration() {
+        val task = Task("TaskName", 0)
+        val task2 = Task("TaskName", 5)
+        given(collection).invocation { replace(task2) }
+            .thenDoNothing()
+
+        UseCases.createUseCasesFromReaders(object : TaskCollectionReader {
+            override fun read(): TaskCollection = collection
+        }).createAddTaskDuration(task, 5).invoke()
+
+        verify(collection).invocation { replace(task2) }
+            .wasInvoked(exactly = once)
+    }
+}

Task-Tracker-Usecases/src/commonTest/kotlin/com/garbereder/tasktracker/usecases/tasks/AddTaskTests.kt

@@ -2,6 +2,7 @@ package com.garbereder.tasktracker.usecases.tasks
 
 import com.garbereder.tasktracker.entities.Task
 import com.garbereder.tasktracker.entities.TaskCollection
+import com.garbereder.tasktracker.usecases.UseCases
 import io.mockative.Mock
 import io.mockative.classOf
 import io.mockative.given
@@ -17,11 +18,13 @@ class AddTaskTests {
 
     @Test
     fun addOneEntry() {
-        val task = Task("TaskName", 0L)
+        val task = Task("TaskName", 0)
         given(collection).invocation { add(task) }
             .thenDoNothing()
 
-        AddTask(collection, "TaskName").invoke()
+        UseCases.createUseCasesFromReaders(object : TaskCollectionReader {
+            override fun read(): TaskCollection = collection
+        }).createAddTask("TaskName").invoke()
 
         verify(collection).invocation { add(task) }
             .wasInvoked(exactly = once)

Task-Tracker-Usecases/src/commonTest/kotlin/com/garbereder/tasktracker/usecases/tasks/ListTasksTests.kt

@@ -2,6 +2,7 @@ package com.garbereder.tasktracker.usecases.tasks
 
 import com.garbereder.tasktracker.entities.Task
 import com.garbereder.tasktracker.entities.TaskCollection
+import com.garbereder.tasktracker.usecases.UseCases
 import io.mockative.Mock
 import io.mockative.classOf
 import io.mockative.given
@@ -26,7 +27,9 @@ class ListTasksTests {
         given(collection).invocation { iterator() }
             .then { tasks.iterator() }
 
-        val it = ListTasks(collection).invoke()
+        val it = UseCases.createUseCasesFromReaders(object : TaskCollectionReader {
+            override fun read(): TaskCollection = collection
+        }).createListTasks().invoke()
 
         verify(collection).invocation { iterator() }
             .wasInvoked(exactly = once)

Task-Tracker-Usecases/src/commonTest/kotlin/com/garbereder/tasktracker/usecases/tasks/RemoveTaskTest.kt

@@ -2,6 +2,7 @@ package com.garbereder.tasktracker.usecases.tasks
 
 import com.garbereder.tasktracker.entities.Task
 import com.garbereder.tasktracker.entities.TaskCollection
+import com.garbereder.tasktracker.usecases.UseCases
 import io.mockative.Mock
 import io.mockative.classOf
 import io.mockative.given
@@ -20,7 +21,10 @@ class RemoveTaskTest {
         val task = Task("TaskName", 0L)
         given(collection).invocation { remove(task) }
             .thenDoNothing()
-        RemoveTask(collection, task).invoke()
+
+        UseCases.createUseCasesFromReaders(object : TaskCollectionReader {
+            override fun read(): TaskCollection = collection
+        }).createRemoveTask(task).invoke()
 
         verify(collection).invocation { remove(task) }
             .wasInvoked(exactly = once)