Исходники и презентации

homework/goroutines_and_scheduler/homework_test.go

@@ -0,0 +1,63 @@
+package main
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+type Task struct {
+	Identifier int
+	Priority   int
+}
+
+type Scheduler struct {
+	// need to implement
+}
+
+func NewScheduler() Scheduler {
+	// need to implement
+	return Scheduler{}
+}
+
+func (s *Scheduler) AddTask(task Task) {
+	// need to implement
+}
+
+func (s *Scheduler) ChangeTaskPriority(taskID int, newPriority int) {
+	// need to implement
+}
+
+func (s *Scheduler) GetTask() Task {
+	// need to implement
+	return Task{}
+}
+
+func TestTrace(t *testing.T) {
+	task1 := Task{Identifier: 1, Priority: 10}
+	task2 := Task{Identifier: 2, Priority: 20}
+	task3 := Task{Identifier: 3, Priority: 30}
+	task4 := Task{Identifier: 4, Priority: 40}
+	task5 := Task{Identifier: 5, Priority: 50}
+
+	scheduler := NewScheduler()
+	scheduler.AddTask(task1)
+	scheduler.AddTask(task2)
+	scheduler.AddTask(task3)
+	scheduler.AddTask(task4)
+	scheduler.AddTask(task5)
+
+	task := scheduler.GetTask()
+	assert.Equal(t, task5, task)
+
+	task = scheduler.GetTask()
+	assert.Equal(t, task4, task)
+
+	scheduler.ChangeTaskPriority(1, 100)
+
+	task = scheduler.GetTask()
+	assert.Equal(t, task1, task)
+
+	task = scheduler.GetTask()
+	assert.Equal(t, task3, task)
+}