terraform/command/hook_ui_test.go

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package command
import (
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"bytes"
"fmt"
"testing"
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"time"
"github.com/hashicorp/terraform/terraform"
"github.com/mitchellh/cli"
"github.com/mitchellh/colorstring"
)
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func TestUiHookPreApply_periodicTimer(t *testing.T) {
ui := &cli.MockUi{
InputReader: bytes.NewReader([]byte{}),
ErrorWriter: bytes.NewBuffer([]byte{}),
OutputWriter: bytes.NewBuffer([]byte{}),
}
h := &UiHook{
Colorize: &colorstring.Colorize{
Colors: colorstring.DefaultColors,
Disable: true,
Reset: true,
},
Ui: ui,
PeriodicUiTimer: 1 * time.Second,
}
h.init()
h.resources = map[string]uiResourceState{
"data.aws_availability_zones.available": uiResourceState{
Op: uiResourceDestroy,
Start: time.Now(),
},
}
n := &terraform.InstanceInfo{
Id: "data.aws_availability_zones.available",
ModulePath: []string{"root"},
Type: "aws_availability_zones",
}
s := &terraform.InstanceState{
ID: "2017-03-05 10:56:59.298784526 +0000 UTC",
Attributes: map[string]string{
"id": "2017-03-05 10:56:59.298784526 +0000 UTC",
"names.#": "4",
"names.0": "us-east-1a",
"names.1": "us-east-1b",
"names.2": "us-east-1c",
"names.3": "us-east-1d",
},
}
d := &terraform.InstanceDiff{
Destroy: true,
}
action, err := h.PreApply(n, s, d)
if err != nil {
t.Fatal(err)
}
if action != terraform.HookActionContinue {
t.Fatalf("Expected hook to continue, given: %#v", action)
}
time.Sleep(3100 * time.Millisecond)
// stop the background writer
uiState := h.resources[n.HumanId()]
close(uiState.DoneCh)
<-uiState.done
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expectedOutput := `data.aws_availability_zones.available: Destroying... (ID: 2017-03-0...0000 UTC)
data.aws_availability_zones.available: Still destroying... (ID: 2017-03-0...0000 UTC, 1s elapsed)
data.aws_availability_zones.available: Still destroying... (ID: 2017-03-0...0000 UTC, 2s elapsed)
data.aws_availability_zones.available: Still destroying... (ID: 2017-03-0...0000 UTC, 3s elapsed)
`
output := ui.OutputWriter.String()
if output != expectedOutput {
t.Fatalf("Output didn't match.\nExpected: %q\nGiven: %q", expectedOutput, output)
}
expectedErrOutput := ""
errOutput := ui.ErrorWriter.String()
if errOutput != expectedErrOutput {
t.Fatalf("Error output didn't match.\nExpected: %q\nGiven: %q", expectedErrOutput, errOutput)
}
}
func TestUiHookPreApply_destroy(t *testing.T) {
ui := &cli.MockUi{
InputReader: bytes.NewReader([]byte{}),
ErrorWriter: bytes.NewBuffer([]byte{}),
OutputWriter: bytes.NewBuffer([]byte{}),
}
h := &UiHook{
Colorize: &colorstring.Colorize{
Colors: colorstring.DefaultColors,
Disable: true,
Reset: true,
},
Ui: ui,
}
h.init()
h.resources = map[string]uiResourceState{
"data.aws_availability_zones.available": uiResourceState{
Op: uiResourceDestroy,
Start: time.Now(),
},
}
n := &terraform.InstanceInfo{
Id: "data.aws_availability_zones.available",
ModulePath: []string{"root"},
Type: "aws_availability_zones",
}
s := &terraform.InstanceState{
ID: "2017-03-05 10:56:59.298784526 +0000 UTC",
Attributes: map[string]string{
"id": "2017-03-05 10:56:59.298784526 +0000 UTC",
"names.#": "4",
"names.0": "us-east-1a",
"names.1": "us-east-1b",
"names.2": "us-east-1c",
"names.3": "us-east-1d",
},
}
d := &terraform.InstanceDiff{
Destroy: true,
}
action, err := h.PreApply(n, s, d)
if err != nil {
t.Fatal(err)
}
if action != terraform.HookActionContinue {
t.Fatalf("Expected hook to continue, given: %#v", action)
}
expectedOutput := "data.aws_availability_zones.available: Destroying... (ID: 2017-03-0...0000 UTC)\n"
output := ui.OutputWriter.String()
if output != expectedOutput {
t.Fatalf("Output didn't match.\nExpected: %q\nGiven: %q", expectedOutput, output)
}
expectedErrOutput := ""
errOutput := ui.ErrorWriter.String()
if errOutput != expectedErrOutput {
t.Fatalf("Error output didn't match.\nExpected: %q\nGiven: %q", expectedErrOutput, errOutput)
}
}
func TestUiHookPostApply_emptyState(t *testing.T) {
ui := &cli.MockUi{
InputReader: bytes.NewReader([]byte{}),
ErrorWriter: bytes.NewBuffer([]byte{}),
OutputWriter: bytes.NewBuffer([]byte{}),
}
h := &UiHook{
Colorize: &colorstring.Colorize{
Colors: colorstring.DefaultColors,
Disable: true,
Reset: true,
},
Ui: ui,
}
h.init()
h.resources = map[string]uiResourceState{
"data.google_compute_zones.available": uiResourceState{
Op: uiResourceDestroy,
Start: time.Now(),
},
}
n := &terraform.InstanceInfo{
Id: "data.google_compute_zones.available",
ModulePath: []string{"root"},
Type: "google_compute_zones",
}
action, err := h.PostApply(n, nil, nil)
if err != nil {
t.Fatal(err)
}
if action != terraform.HookActionContinue {
t.Fatalf("Expected hook to continue, given: %#v", action)
}
expectedOutput := "data.google_compute_zones.available: Destruction complete\n"
output := ui.OutputWriter.String()
if output != expectedOutput {
t.Fatalf("Output didn't match.\nExpected: %q\nGiven: %q", expectedOutput, output)
}
expectedErrOutput := ""
errOutput := ui.ErrorWriter.String()
if errOutput != expectedErrOutput {
t.Fatalf("Error output didn't match.\nExpected: %q\nGiven: %q", expectedErrOutput, errOutput)
}
}
func TestTruncateId(t *testing.T) {
testCases := []struct {
Input string
Expected string
MaxLen int
}{
{
Input: "Hello world",
Expected: "H...d",
MaxLen: 3,
},
{
Input: "Hello world",
Expected: "H...d",
MaxLen: 5,
},
{
Input: "Hello world",
Expected: "He...d",
MaxLen: 6,
},
{
Input: "Hello world",
Expected: "He...ld",
MaxLen: 7,
},
{
Input: "Hello world",
Expected: "Hel...ld",
MaxLen: 8,
},
{
Input: "Hello world",
Expected: "Hel...rld",
MaxLen: 9,
},
{
Input: "Hello world",
Expected: "Hell...rld",
MaxLen: 10,
},
{
Input: "Hello world",
Expected: "Hello world",
MaxLen: 11,
},
{
Input: "Hello world",
Expected: "Hello world",
MaxLen: 12,
},
}
for i, tc := range testCases {
testName := fmt.Sprintf("%d", i)
t.Run(testName, func(t *testing.T) {
out := truncateId(tc.Input, tc.MaxLen)
if out != tc.Expected {
t.Fatalf("Expected %q to be shortened to %d as %q (given: %q)",
tc.Input, tc.MaxLen, tc.Expected, out)
}
})
}
}