Add more unit tests

backend/internal/jobqueue/main_test.go

@@ -0,0 +1,66 @@
+package jobqueue
+
+import (
+	"context"
+	"fmt"
+	"testing"
+	"time"
+
+	"github.com/rotisserie/eris"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+type MockJob struct {
+	done chan bool
+}
+
+func (m *MockJob) Execute() {
+	time.Sleep(1 * time.Second)
+	m.done <- true
+}
+
+func TestStart(t *testing.T) {
+	Start()
+	assert.NotNil(t, ctx, "Context should not be nil after Start")
+	assert.NotNil(t, cancel, "Cancel function should not be nil after Start")
+	assert.NotNil(t, worker, "Worker should not be nil after Start")
+	Shutdown()
+}
+
+func TestShutdown(t *testing.T) {
+	Start()
+	err := Shutdown()
+	require.Nil(t, err, "Shutdown should not return an error when jobqueue is started")
+
+	select {
+	case <-ctx.Done():
+		switch ctx.Err() {
+		case context.DeadlineExceeded:
+			fmt.Println("context timeout exceeded")
+		case context.Canceled:
+			fmt.Println("context cancelled by force. whole process is complete")
+		default:
+			require.Nil(t, ctx.Err(), "Context done state has unexpected value")
+		}
+	}
+
+	require.Nil(t, cancel, "Cancel function should be nil after Shutdown")
+	require.Nil(t, worker, "Worker should be nil after Shutdown")
+
+	err = Shutdown()
+	require.NotNil(t, err, "Shutdown should return an error when jobqueue is not started")
+	require.Equal(t, eris.New("Unable to shutdown, jobqueue has not been started").Error(), err.Error())
+}
+
+func TestAddJobWithoutStart(t *testing.T) {
+	mockJob := Job{
+		Name: "mockJob",
+		Action: func() error {
+			return nil
+		},
+	}
+	err := AddJob(mockJob)
+	assert.NotNil(t, err, "AddJob should return an error when jobqueue is not started")
+	assert.Equal(t, eris.New("Unable to add job, jobqueue has not been started").Error(), err.Error())
+}