open-nomad/client/consul/consul_testing.go

87 lines
2.4 KiB
Go

package consul
import (
"fmt"
"log"
"sync"
"github.com/hashicorp/nomad/command/agent/consul"
"github.com/hashicorp/nomad/helper/testlog"
"github.com/mitchellh/go-testing-interface"
)
// MockConsulOp represents the register/deregister operations.
type MockConsulOp struct {
Op string // add, remove, or update
AllocID string
Task string
}
func NewMockConsulOp(op, allocID, task string) MockConsulOp {
if op != "add" && op != "remove" && op != "update" && op != "alloc_registrations" {
panic(fmt.Errorf("invalid consul op: %s", op))
}
return MockConsulOp{
Op: op,
AllocID: allocID,
Task: task,
}
}
// MockConsulServiceClient implements the ConsulServiceAPI interface to record
// and log task registration/deregistration.
type MockConsulServiceClient struct {
Ops []MockConsulOp
mu sync.Mutex
Logger *log.Logger
// AllocRegistrationsFn allows injecting return values for the
// AllocRegistrations function.
AllocRegistrationsFn func(allocID string) (*consul.AllocRegistration, error)
}
func NewMockConsulServiceClient(t testing.T) *MockConsulServiceClient {
m := MockConsulServiceClient{
Ops: make([]MockConsulOp, 0, 20),
Logger: testlog.Logger(t),
}
return &m
}
func (m *MockConsulServiceClient) UpdateTask(old, new *consul.TaskServices) error {
m.mu.Lock()
defer m.mu.Unlock()
m.Logger.Printf("[TEST] mock_consul: UpdateTask(alloc: %s, task: %s)", new.AllocID[:6], new.Name)
m.Ops = append(m.Ops, NewMockConsulOp("update", new.AllocID, new.Name))
return nil
}
func (m *MockConsulServiceClient) RegisterTask(task *consul.TaskServices) error {
m.mu.Lock()
defer m.mu.Unlock()
m.Logger.Printf("[TEST] mock_consul: RegisterTask(alloc: %s, task: %s)", task.AllocID, task.Name)
m.Ops = append(m.Ops, NewMockConsulOp("add", task.AllocID, task.Name))
return nil
}
func (m *MockConsulServiceClient) RemoveTask(task *consul.TaskServices) {
m.mu.Lock()
defer m.mu.Unlock()
m.Logger.Printf("[TEST] mock_consul: RemoveTask(%q, %q)", task.AllocID, task.Name)
m.Ops = append(m.Ops, NewMockConsulOp("remove", task.AllocID, task.Name))
}
func (m *MockConsulServiceClient) AllocRegistrations(allocID string) (*consul.AllocRegistration, error) {
m.mu.Lock()
defer m.mu.Unlock()
m.Logger.Printf("[TEST] mock_consul: AllocRegistrations(%q)", allocID)
m.Ops = append(m.Ops, NewMockConsulOp("alloc_registrations", allocID, ""))
if m.AllocRegistrationsFn != nil {
return m.AllocRegistrationsFn(allocID)
}
return nil, nil
}