open-nomad/client/consul_test.go
2017-05-04 15:06:15 -07:00

77 lines
2 KiB
Go

package client
import (
"fmt"
"io/ioutil"
"log"
"os"
"sync"
"testing"
"github.com/hashicorp/nomad/client/driver"
"github.com/hashicorp/nomad/nomad/structs"
)
// mockConsulOp represents the register/deregister operations.
type mockConsulOp struct {
op string // add, remove, or update
allocID string
task *structs.Task
exec driver.ScriptExecutor
}
func newMockConsulOp(op, allocID string, task *structs.Task, exec driver.ScriptExecutor) mockConsulOp {
if op != "add" && op != "remove" && op != "update" {
panic(fmt.Errorf("invalid consul op: %s", op))
}
return mockConsulOp{
op: op,
allocID: allocID,
task: task,
exec: exec,
}
}
// mockConsulServiceClient implements the ConsulServiceAPI interface to record
// and log task registration/deregistration.
type mockConsulServiceClient struct {
ops []mockConsulOp
mu sync.Mutex
logger *log.Logger
}
func newMockConsulServiceClient() *mockConsulServiceClient {
m := mockConsulServiceClient{
ops: make([]mockConsulOp, 0, 20),
logger: log.New(ioutil.Discard, "", 0),
}
if testing.Verbose() {
m.logger = log.New(os.Stderr, "", log.LstdFlags)
}
return &m
}
func (m *mockConsulServiceClient) UpdateTask(allocID string, old, new *structs.Task, exec driver.ScriptExecutor) error {
m.mu.Lock()
defer m.mu.Unlock()
m.logger.Printf("[TEST] mock_consul: UpdateTask(%q, %v, %v, %T)", allocID, old, new, exec)
m.ops = append(m.ops, newMockConsulOp("update", allocID, new, exec))
return nil
}
func (m *mockConsulServiceClient) RegisterTask(allocID string, task *structs.Task, exec driver.ScriptExecutor) error {
m.mu.Lock()
defer m.mu.Unlock()
m.logger.Printf("[TEST] mock_consul: RegisterTask(%q, %q, %T)", allocID, task.Name, exec)
m.ops = append(m.ops, newMockConsulOp("add", allocID, task, exec))
return nil
}
func (m *mockConsulServiceClient) RemoveTask(allocID string, task *structs.Task) {
m.mu.Lock()
defer m.mu.Unlock()
m.logger.Printf("[TEST] mock_consul: RemoveTask(%q, %q)", allocID, task.Name)
m.ops = append(m.ops, newMockConsulOp("remove", allocID, task, nil))
}