open-nomad/client/testing.go
2019-01-22 15:11:57 -08:00

78 lines
2.2 KiB
Go

package client
import (
"fmt"
"time"
"github.com/hashicorp/nomad/client/config"
consulApi "github.com/hashicorp/nomad/client/consul"
"github.com/hashicorp/nomad/client/fingerprint"
"github.com/hashicorp/nomad/command/agent/consul"
"github.com/hashicorp/nomad/helper/testlog"
"github.com/hashicorp/nomad/pluginutils/catalog"
"github.com/hashicorp/nomad/pluginutils/singleton"
testing "github.com/mitchellh/go-testing-interface"
)
// TestClient creates an in-memory client for testing purposes and returns a
// cleanup func to shutdown the client and remove the alloc and state dirs.
//
// There is no need to override the AllocDir or StateDir as they are randomized
// and removed in the returned cleanup function. If they are overridden in the
// callback then the caller still must run the returned cleanup func.
func TestClient(t testing.T, cb func(c *config.Config)) (*Client, func() error) {
conf, cleanup := config.TestClientConfig(t)
// Tighten the fingerprinter timeouts (must be done in client package
// to avoid circular dependencies)
if conf.Options == nil {
conf.Options = make(map[string]string)
}
conf.Options[fingerprint.TightenNetworkTimeoutsConfig] = "true"
logger := testlog.HCLogger(t)
conf.Logger = logger
if cb != nil {
cb(conf)
}
// Set the plugin loaders
if conf.PluginLoader == nil {
conf.PluginLoader = catalog.TestPluginLoaderWithOptions(t, "", conf.Options, nil)
}
if conf.PluginSingletonLoader == nil {
conf.PluginSingletonLoader = singleton.NewSingletonLoader(logger, conf.PluginLoader)
}
catalog := consul.NewMockCatalog(logger)
mockService := consulApi.NewMockConsulServiceClient(t, logger)
client, err := NewClient(conf, catalog, mockService)
if err != nil {
cleanup()
t.Fatalf("err: %v", err)
}
return client, func() error {
ch := make(chan error)
go func() {
defer close(ch)
// Shutdown client
err := client.Shutdown()
if err != nil {
ch <- fmt.Errorf("failed to shutdown client: %v", err)
}
// Call TestClientConfig cleanup
cleanup()
}()
select {
case e := <-ch:
return e
case <-time.After(1 * time.Minute):
return fmt.Errorf("timed out while shutting down client")
}
}
}