terraform/communicator/communicator_mock.go

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package communicator
import (
"bytes"
"fmt"
"io"
"strings"
"time"
"github.com/hashicorp/terraform/communicator/remote"
"github.com/hashicorp/terraform/provisioners"
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)
// MockCommunicator is an implementation of Communicator that can be used for tests.
type MockCommunicator struct {
RemoteScriptPath string
Commands map[string]bool
Uploads map[string]string
UploadScripts map[string]string
UploadDirs map[string]string
CommandFunc func(*remote.Cmd) error
DisconnectFunc func() error
ConnTimeout time.Duration
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}
// Connect implementation of communicator.Communicator interface
func (c *MockCommunicator) Connect(o provisioners.UIOutput) error {
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return nil
}
// Disconnect implementation of communicator.Communicator interface
func (c *MockCommunicator) Disconnect() error {
if c.DisconnectFunc != nil {
return c.DisconnectFunc()
}
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return nil
}
// Timeout implementation of communicator.Communicator interface
func (c *MockCommunicator) Timeout() time.Duration {
if c.ConnTimeout != 0 {
return c.ConnTimeout
}
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return time.Duration(5 * time.Second)
}
// ScriptPath implementation of communicator.Communicator interface
func (c *MockCommunicator) ScriptPath() string {
return c.RemoteScriptPath
}
// Start implementation of communicator.Communicator interface
func (c *MockCommunicator) Start(r *remote.Cmd) error {
r.Init()
if c.CommandFunc != nil {
return c.CommandFunc(r)
}
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if !c.Commands[r.Command] {
return fmt.Errorf("Command not found!")
}
r.SetExitStatus(0, nil)
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return nil
}
// Upload implementation of communicator.Communicator interface
func (c *MockCommunicator) Upload(path string, input io.Reader) error {
f, ok := c.Uploads[path]
if !ok {
return fmt.Errorf("Path %q not found!", path)
}
var buf bytes.Buffer
buf.ReadFrom(input)
content := strings.TrimSpace(buf.String())
f = strings.TrimSpace(f)
if f != content {
return fmt.Errorf("expected: %q\n\ngot: %q\n", f, content)
}
return nil
}
// UploadScript implementation of communicator.Communicator interface
func (c *MockCommunicator) UploadScript(path string, input io.Reader) error {
c.Uploads = c.UploadScripts
return c.Upload(path, input)
}
// UploadDir implementation of communicator.Communicator interface
func (c *MockCommunicator) UploadDir(dst string, src string) error {
v, ok := c.UploadDirs[src]
if !ok {
return fmt.Errorf("Directory not found!")
}
if v != dst {
return fmt.Errorf("expected: %q\n\ngot: %q\n", v, dst)
}
return nil
}