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673 lines (580 loc) · 13.1 KB
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package command
import (
"bytes"
"io/ioutil"
"os"
"path/filepath"
"strings"
"testing"
"github.com/hashicorp/terraform/terraform"
"github.com/mitchellh/cli"
)
func TestPlan(t *testing.T) {
cwd, err := os.Getwd()
if err != nil {
t.Fatalf("err: %s", err)
}
if err := os.Chdir(testFixturePath("plan")); err != nil {
t.Fatalf("err: %s", err)
}
defer os.Chdir(cwd)
p := testProvider()
ui := new(cli.MockUi)
c := &PlanCommand{
Meta: Meta{
ContextOpts: testCtxConfig(p),
Ui: ui,
},
}
args := []string{}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
}
func TestPlan_plan(t *testing.T) {
tmp, cwd := testCwd(t)
defer testFixCwd(t, tmp, cwd)
planPath := testPlanFile(t, &terraform.Plan{
Module: testModule(t, "apply"),
})
p := testProvider()
ui := new(cli.MockUi)
c := &PlanCommand{
Meta: Meta{
ContextOpts: testCtxConfig(p),
Ui: ui,
},
}
args := []string{planPath}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
if p.RefreshCalled {
t.Fatal("refresh should not be called")
}
}
func TestPlan_destroy(t *testing.T) {
originalState := &terraform.State{
Modules: []*terraform.ModuleState{
&terraform.ModuleState{
Path: []string{"root"},
Resources: map[string]*terraform.ResourceState{
"test_instance.foo": &terraform.ResourceState{
Type: "test_instance",
Primary: &terraform.InstanceState{
ID: "bar",
},
},
},
},
},
}
outPath := testTempFile(t)
statePath := testStateFile(t, originalState)
p := testProvider()
ui := new(cli.MockUi)
c := &PlanCommand{
Meta: Meta{
ContextOpts: testCtxConfig(p),
Ui: ui,
},
}
args := []string{
"-destroy",
"-out", outPath,
"-state", statePath,
testFixturePath("plan"),
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
if !p.RefreshCalled {
t.Fatal("refresh should be called")
}
plan := testReadPlan(t, outPath)
for _, m := range plan.Diff.Modules {
for _, r := range m.Resources {
if !r.Destroy {
t.Fatalf("bad: %#v", r)
}
}
}
}
func TestPlan_noState(t *testing.T) {
tmp, cwd := testCwd(t)
defer testFixCwd(t, tmp, cwd)
p := testProvider()
ui := new(cli.MockUi)
c := &PlanCommand{
Meta: Meta{
ContextOpts: testCtxConfig(p),
Ui: ui,
},
}
args := []string{
testFixturePath("plan"),
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
// Verify that refresh was called
if p.RefreshCalled {
t.Fatal("refresh should not be called")
}
// Verify that the provider was called with the existing state
actual := strings.TrimSpace(p.DiffState.String())
expected := strings.TrimSpace(testPlanNoStateStr)
if actual != expected {
t.Fatalf("bad:\n\n%s", actual)
}
}
func TestPlan_outPath(t *testing.T) {
tf, err := ioutil.TempFile("", "tf")
if err != nil {
t.Fatalf("err: %s", err)
}
outPath := tf.Name()
os.Remove(tf.Name())
p := testProvider()
ui := new(cli.MockUi)
c := &PlanCommand{
Meta: Meta{
ContextOpts: testCtxConfig(p),
Ui: ui,
},
}
p.DiffReturn = &terraform.InstanceDiff{
Destroy: true,
}
args := []string{
"-out", outPath,
testFixturePath("plan"),
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
f, err := os.Open(outPath)
if err != nil {
t.Fatalf("err: %s", err)
}
defer f.Close()
if _, err := terraform.ReadPlan(f); err != nil {
t.Fatalf("err: %s", err)
}
}
func TestPlan_outPathNoChange(t *testing.T) {
originalState := &terraform.State{
Modules: []*terraform.ModuleState{
&terraform.ModuleState{
Path: []string{"root"},
Resources: map[string]*terraform.ResourceState{
"test_instance.foo": &terraform.ResourceState{
Type: "test_instance",
Primary: &terraform.InstanceState{
ID: "bar",
},
},
},
},
},
}
statePath := testStateFile(t, originalState)
tf, err := ioutil.TempFile("", "tf")
if err != nil {
t.Fatalf("err: %s", err)
}
outPath := tf.Name()
os.Remove(tf.Name())
p := testProvider()
ui := new(cli.MockUi)
c := &PlanCommand{
Meta: Meta{
ContextOpts: testCtxConfig(p),
Ui: ui,
},
}
args := []string{
"-out", outPath,
"-state", statePath,
testFixturePath("plan"),
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
plan := testReadPlan(t, outPath)
if !plan.Diff.Empty() {
t.Fatalf("Expected empty plan to be written to plan file, got: %s", plan)
}
}
func TestPlan_refresh(t *testing.T) {
p := testProvider()
ui := new(cli.MockUi)
c := &PlanCommand{
Meta: Meta{
ContextOpts: testCtxConfig(p),
Ui: ui,
},
}
args := []string{
"-refresh=false",
testFixturePath("plan"),
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
if p.RefreshCalled {
t.Fatal("refresh should not be called")
}
}
func TestPlan_state(t *testing.T) {
// Write out some prior state
tf, err := ioutil.TempFile("", "tf")
if err != nil {
t.Fatalf("err: %s", err)
}
statePath := tf.Name()
defer os.Remove(tf.Name())
originalState := testState()
err = terraform.WriteState(originalState, tf)
tf.Close()
if err != nil {
t.Fatalf("err: %s", err)
}
p := testProvider()
ui := new(cli.MockUi)
c := &PlanCommand{
Meta: Meta{
ContextOpts: testCtxConfig(p),
Ui: ui,
},
}
args := []string{
"-state", statePath,
testFixturePath("plan"),
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
// Verify that the provider was called with the existing state
actual := strings.TrimSpace(p.DiffState.String())
expected := strings.TrimSpace(testPlanStateStr)
if actual != expected {
t.Fatalf("bad:\n\n%s", actual)
}
}
func TestPlan_stateDefault(t *testing.T) {
originalState := testState()
// Write the state file in a temporary directory with the
// default filename.
td, err := ioutil.TempDir("", "tf")
if err != nil {
t.Fatalf("err: %s", err)
}
statePath := filepath.Join(td, DefaultStateFilename)
f, err := os.Create(statePath)
if err != nil {
t.Fatalf("err: %s", err)
}
err = terraform.WriteState(originalState, f)
f.Close()
if err != nil {
t.Fatalf("err: %s", err)
}
// Change to that directory
cwd, err := os.Getwd()
if err != nil {
t.Fatalf("err: %s", err)
}
if err := os.Chdir(filepath.Dir(statePath)); err != nil {
t.Fatalf("err: %s", err)
}
defer os.Chdir(cwd)
p := testProvider()
ui := new(cli.MockUi)
c := &PlanCommand{
Meta: Meta{
ContextOpts: testCtxConfig(p),
Ui: ui,
},
}
args := []string{
testFixturePath("plan"),
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
// Verify that the provider was called with the existing state
actual := strings.TrimSpace(p.DiffState.String())
expected := strings.TrimSpace(testPlanStateDefaultStr)
if actual != expected {
t.Fatalf("bad:\n\n%s", actual)
}
}
func TestPlan_stateFuture(t *testing.T) {
originalState := testState()
originalState.TFVersion = "99.99.99"
statePath := testStateFile(t, originalState)
p := testProvider()
ui := new(cli.MockUi)
c := &PlanCommand{
Meta: Meta{
ContextOpts: testCtxConfig(p),
Ui: ui,
},
}
args := []string{
"-state", statePath,
testFixturePath("plan"),
}
if code := c.Run(args); code == 0 {
t.Fatal("should fail")
}
f, err := os.Open(statePath)
if err != nil {
t.Fatalf("err: %s", err)
}
newState, err := terraform.ReadState(f)
f.Close()
if err != nil {
t.Fatalf("err: %s", err)
}
if !newState.Equal(originalState) {
t.Fatalf("bad: %#v", newState)
}
if newState.TFVersion != originalState.TFVersion {
t.Fatalf("bad: %#v", newState)
}
}
func TestPlan_statePast(t *testing.T) {
originalState := testState()
originalState.TFVersion = "0.1.0"
statePath := testStateFile(t, originalState)
p := testProvider()
ui := new(cli.MockUi)
c := &PlanCommand{
Meta: Meta{
ContextOpts: testCtxConfig(p),
Ui: ui,
},
}
args := []string{
"-state", statePath,
testFixturePath("plan"),
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
}
func TestPlan_validate(t *testing.T) {
// This is triggered by not asking for input so we have to set this to false
test = false
defer func() { test = true }()
cwd, err := os.Getwd()
if err != nil {
t.Fatalf("err: %s", err)
}
if err := os.Chdir(testFixturePath("plan-invalid")); err != nil {
t.Fatalf("err: %s", err)
}
defer os.Chdir(cwd)
p := testProvider()
ui := new(cli.MockUi)
c := &PlanCommand{
Meta: Meta{
ContextOpts: testCtxConfig(p),
Ui: ui,
},
}
args := []string{}
if code := c.Run(args); code != 1 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
actual := ui.ErrorWriter.String()
if !strings.Contains(actual, "can't reference") {
t.Fatalf("bad: %s", actual)
}
}
func TestPlan_vars(t *testing.T) {
p := testProvider()
ui := new(cli.MockUi)
c := &PlanCommand{
Meta: Meta{
ContextOpts: testCtxConfig(p),
Ui: ui,
},
}
actual := ""
p.DiffFn = func(
info *terraform.InstanceInfo,
s *terraform.InstanceState,
c *terraform.ResourceConfig) (*terraform.InstanceDiff, error) {
if v, ok := c.Config["value"]; ok {
actual = v.(string)
}
return nil, nil
}
args := []string{
"-var", "foo=bar",
testFixturePath("plan-vars"),
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
if actual != "bar" {
t.Fatal("didn't work")
}
}
func TestPlan_varsUnset(t *testing.T) {
// Disable test mode so input would be asked
test = false
defer func() { test = true }()
defaultInputReader = bytes.NewBufferString("bar\n")
p := testProvider()
ui := new(cli.MockUi)
c := &PlanCommand{
Meta: Meta{
ContextOpts: testCtxConfig(p),
Ui: ui,
},
}
args := []string{
testFixturePath("plan-vars"),
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
}
func TestPlan_varFile(t *testing.T) {
varFilePath := testTempFile(t)
if err := ioutil.WriteFile(varFilePath, []byte(planVarFile), 0644); err != nil {
t.Fatalf("err: %s", err)
}
p := testProvider()
ui := new(cli.MockUi)
c := &PlanCommand{
Meta: Meta{
ContextOpts: testCtxConfig(p),
Ui: ui,
},
}
actual := ""
p.DiffFn = func(
info *terraform.InstanceInfo,
s *terraform.InstanceState,
c *terraform.ResourceConfig) (*terraform.InstanceDiff, error) {
if v, ok := c.Config["value"]; ok {
actual = v.(string)
}
return nil, nil
}
args := []string{
"-var-file", varFilePath,
testFixturePath("plan-vars"),
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
if actual != "bar" {
t.Fatal("didn't work")
}
}
func TestPlan_varFileDefault(t *testing.T) {
varFileDir := testTempDir(t)
varFilePath := filepath.Join(varFileDir, "terraform.tfvars")
if err := ioutil.WriteFile(varFilePath, []byte(planVarFile), 0644); err != nil {
t.Fatalf("err: %s", err)
}
cwd, err := os.Getwd()
if err != nil {
t.Fatalf("err: %s", err)
}
if err := os.Chdir(varFileDir); err != nil {
t.Fatalf("err: %s", err)
}
defer os.Chdir(cwd)
p := testProvider()
ui := new(cli.MockUi)
c := &PlanCommand{
Meta: Meta{
ContextOpts: testCtxConfig(p),
Ui: ui,
},
}
actual := ""
p.DiffFn = func(
info *terraform.InstanceInfo,
s *terraform.InstanceState,
c *terraform.ResourceConfig) (*terraform.InstanceDiff, error) {
if v, ok := c.Config["value"]; ok {
actual = v.(string)
}
return nil, nil
}
args := []string{
testFixturePath("plan-vars"),
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
if actual != "bar" {
t.Fatal("didn't work")
}
}
func TestPlan_detailedExitcode(t *testing.T) {
cwd, err := os.Getwd()
if err != nil {
t.Fatalf("err: %s", err)
}
if err := os.Chdir(testFixturePath("plan")); err != nil {
t.Fatalf("err: %s", err)
}
defer os.Chdir(cwd)
p := testProvider()
ui := new(cli.MockUi)
c := &PlanCommand{
Meta: Meta{
ContextOpts: testCtxConfig(p),
Ui: ui,
},
}
args := []string{"-detailed-exitcode"}
if code := c.Run(args); code != 2 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
}
func TestPlan_detailedExitcode_emptyDiff(t *testing.T) {
cwd, err := os.Getwd()
if err != nil {
t.Fatalf("err: %s", err)
}
if err := os.Chdir(testFixturePath("plan-emptydiff")); err != nil {
t.Fatalf("err: %s", err)
}
defer os.Chdir(cwd)
p := testProvider()
ui := new(cli.MockUi)
c := &PlanCommand{
Meta: Meta{
ContextOpts: testCtxConfig(p),
Ui: ui,
},
}
args := []string{"-detailed-exitcode"}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
}
const planVarFile = `
foo = "bar"
`
const testPlanNoStateStr = `
<not created>
`
const testPlanStateStr = `
ID = bar
Tainted = false
`
const testPlanStateDefaultStr = `
ID = bar
Tainted = false
`