scheduler/store_test.go at master · sdvallejo/scheduler · GitHub

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package scheduler

import (
	"testing"

	"github.com/sdvallejo/scheduler/storage"
	"github.com/sdvallejo/scheduler/task"
)

func TestStore(t *testing.T) {
	mock := task.CallbackMock{}
	funcRegistry := task.NewFuncRegistry()
	store := getStoreBridge(funcRegistry, nil)
	task := newTask(funcRegistry, mock.CallNoArgs)
	task.IsRecurring = true
	err := store.Add(task)
	if err != nil {
		t.Error("Failed to store task")
	}
}

func TestStoreTaskWithMultipleParams(t *testing.T) {
	mock := task.CallbackMock{}
	funcRegistry := task.NewFuncRegistry()
	store := getStoreBridge(funcRegistry, nil)
	task := newTask(funcRegistry, mock.CallWithArgs, "Hello", "World")
	err := store.Add(task)
	if err != nil {
		t.Error("Failed to store task with multiple params")
	}
}

func TestStoreThatFails(t *testing.T) {
	mock := task.CallbackMock{}
	funcRegistry := task.NewFuncRegistry()
	store := getStoreBridge(funcRegistry, nil)
	task := newTask(funcRegistry, mock.CallWithChan, make(chan bool))
	err := store.Add(task)
	if err == nil {
		t.Error("Wrong storage of a task with a channel arg took place")
	}
}

func TestRemoveTask(t *testing.T) {
	mock := task.CallbackMock{}
	funcRegistry := task.NewFuncRegistry()
	store := getStoreBridge(funcRegistry, nil)
	task := newTask(funcRegistry, mock.CallWithArgs, "Hello", "World")
	_ = store.Add(task)
	err := store.Remove(task)
	if err != nil {
		t.Error("Failed to remove task")
	}
}

func TestRemoveThatFails(t *testing.T) {
	mock := task.CallbackMock{}
	funcRegistry := task.NewFuncRegistry()
	store := getStoreBridge(funcRegistry, nil)
	task := newTask(funcRegistry, mock.CallWithChan, make(chan bool))
	err := store.Remove(task)
	if err == nil {
		t.Error("Wrong call to remove a task with a channel arg took place")
	}
}

func TestFetch(t *testing.T) {
	mock := task.CallbackMock{}
	funcRegistry := task.NewFuncRegistry()
	store := getStoreBridge(funcRegistry, nil)
	task := newTask(funcRegistry, mock.CallNoArgs)
	err := store.Add(task)
	if err != nil {
		t.Error("Failed to store task")
	}
	tasks, err := store.Fetch()
	if err != nil {
		t.Error("Could not read tasks from store")
	}

	if len(tasks) != 1 {
		t.Error("Found wrong task count")
	}
}

func TestFetchWithParams(t *testing.T) {
	mock := task.CallbackMock{}
	funcRegistry := task.NewFuncRegistry()
	store := getStoreBridge(funcRegistry, nil)
	task := newTask(funcRegistry, mock.CallWithArgs, "Test", true)
	err := store.Add(task)
	if err != nil {
		t.Error("Failed to store task")
	}
	tasks, err := store.Fetch()
	if err != nil {
		t.Error("Could not read tasks from store")
	}

	if len(tasks) != 1 {
		t.Error("Found wrong task count")
	}
}

func TestFetchWrongRunTimes(t *testing.T) {
	funcRegistry := task.NewFuncRegistry()

	storeMock := newStoreMockWithMode(fail)
	store := getStoreBridge(funcRegistry, storeMock)
	_, err := store.Fetch()
	if err == nil {
		t.Error("Should fail when fetching")
	}

	storeMock.Mode = failOnLastRun
	_, err = store.Fetch()
	if err == nil {
		t.Error("Should fail when parsing lastRun")
	}

	storeMock.Mode = failOnNextRun
	_, err = store.Fetch()
	if err == nil {
		t.Error("Should fail when parsing nextRun")
	}

	storeMock.Mode = failOnDuration
	_, err = store.Fetch()
	if err == nil {
		t.Error("Should fail when parsing duration")
	}

	storeMock.Mode = failOnIsRecurring
	_, err = store.Fetch()
	if err == nil {
		t.Error("Should fail when parsing isRecurring")
	}

	funcRegistry.Add(mockFunction)

	storeMock.Mode = failOnFuncMeta
	_, err = store.Fetch()
	if err == nil {
		t.Error("Should fail when trying to find function")
	}

	storeMock.Mode = failOnEmptyParams
	params, err := store.Fetch()
	if err != nil && len(params) != 0 {
		t.Error("Should fail when trying to parse empty string params")
	}

	storeMock.Mode = failOnEmptyListParams
	_, err = store.Fetch()
	if err == nil {
		t.Error("Should fail when trying to parse empty string params")
	}
}

func newTask(funcRegistry *task.FuncRegistry, function task.Function, params ...task.Param) *task.Task {
	funcMeta, err := funcRegistry.Add(function)
	if err != nil {
		return nil
	}

	task := task.New(funcMeta, params)
	_, _ = funcRegistry.Add(task.Func)

	return task
}

func getStoreBridge(funcRegistry *task.FuncRegistry, store storage.TaskStore) storeBridge {
	if store == nil {
		store = storage.NewMemoryStorage()
	}
	storeBridge := storeBridge{
		store:        store,
		funcRegistry: funcRegistry,
	}
	return storeBridge
}