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|
package docker
import (
"bytes"
"context"
"errors"
"io/ioutil"
"os"
"testing"
"github.com/hashicorp/packer/packer-plugin-sdk/multistep"
)
func testStepExportState(t *testing.T) multistep.StateBag {
state := testState(t)
state.Put("container_id", "foo")
return state
}
func TestStepExport_impl(t *testing.T) {
var _ multistep.Step = new(StepExport)
}
func TestStepExport(t *testing.T) {
state := testStepExportState(t)
step := new(StepExport)
defer step.Cleanup(state)
// Create a tempfile for our output path
tf, err := ioutil.TempFile("", "packer")
if err != nil {
t.Fatalf("err: %s", err)
}
tf.Close()
defer os.Remove(tf.Name())
config := state.Get("config").(*Config)
config.ExportPath = tf.Name()
driver := state.Get("driver").(*MockDriver)
driver.ExportReader = bytes.NewReader([]byte("data!"))
// run the step
if action := step.Run(context.Background(), state); action != multistep.ActionContinue {
t.Fatalf("bad action: %#v", action)
}
// verify we did the right thing
if !driver.ExportCalled {
t.Fatal("should've exported")
}
if driver.ExportID != "foo" {
t.Fatalf("bad: %#v", driver.ExportID)
}
// verify the data exported to the file
contents, err := ioutil.ReadFile(tf.Name())
if err != nil {
t.Fatalf("err: %s", err)
}
if string(contents) != "data!" {
t.Fatalf("bad: %#v", string(contents))
}
}
func TestStepExport_error(t *testing.T) {
state := testStepExportState(t)
step := new(StepExport)
defer step.Cleanup(state)
// Create a tempfile for our output path
tf, err := ioutil.TempFile("", "packer")
if err != nil {
t.Fatalf("err: %s", err)
}
tf.Close()
if err := os.Remove(tf.Name()); err != nil {
t.Fatalf("err: %s", err)
}
config := state.Get("config").(*Config)
config.ExportPath = tf.Name()
driver := state.Get("driver").(*MockDriver)
driver.ExportError = errors.New("foo")
// run the step
if action := step.Run(context.Background(), state); action != multistep.ActionHalt {
t.Fatalf("bad action: %#v", action)
}
// verify we have an error
if _, ok := state.GetOk("error"); !ok {
t.Fatal("should have error")
}
// verify we didn't make that file
if _, err := os.Stat(tf.Name()); err == nil {
t.Fatal("export path shouldn't exist")
}
}
|
