packer-cn/common/iso_config_test.go

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package common
import (
"fmt"
"io/ioutil"
"net/http"
"net/http/httptest"
"reflect"
"runtime"
"testing"
)
func testISOConfig() ISOConfig {
return ISOConfig{
ISOChecksum: "foo",
ISOChecksumURL: "",
ISOChecksumType: "md5",
RawSingleISOUrl: "http://www.packer.io/the-OS.iso",
}
}
var cs_bsd_style = `
MD5 (other.iso) = bAr
MD5 (the-OS.iso) = baZ
`
var cs_gnu_style = `
bAr0 *the-OS.iso
baZ0 other.iso
`
var cs_bsd_style_no_newline = `
MD5 (other.iso) = bAr
MD5 (the-OS.iso) = baZ`
var cs_gnu_style_no_newline = `
bAr0 *the-OS.iso
baZ0 other.iso`
func TestISOConfigPrepare_ISOChecksum(t *testing.T) {
i := testISOConfig()
// Test bad
i.ISOChecksum = ""
warns, err := i.Prepare(nil)
if len(warns) > 0 {
t.Fatalf("bad: %#v", warns)
}
if err == nil {
t.Fatal("should have error")
}
// Test good
i = testISOConfig()
i.ISOChecksum = "FOo"
warns, err = i.Prepare(nil)
if len(warns) > 0 {
t.Fatalf("bad: %#v", warns)
}
if err != nil {
t.Fatalf("should not have error: %s", err)
}
if i.ISOChecksum != "foo" {
t.Fatalf("should've lowercased: %s", i.ISOChecksum)
}
}
func TestISOConfigPrepare_ISOChecksumURL(t *testing.T) {
i := testISOConfig()
i.ISOChecksumURL = "file:///not_read"
// Test ISOChecksum overrides url
warns, err := i.Prepare(nil)
if len(warns) > 0 && len(err) > 0 {
t.Fatalf("bad: %#v, %#v", warns, err)
}
// Test good - ISOChecksumURL BSD style
i = testISOConfig()
i.ISOChecksum = ""
cs_file, _ := ioutil.TempFile("", "packer-test-")
ioutil.WriteFile(cs_file.Name(), []byte(cs_bsd_style), 0666)
filePrefix := "file://"
if runtime.GOOS == "windows" {
filePrefix += "/"
}
i.ISOChecksumURL = fmt.Sprintf("%s%s", filePrefix, cs_file.Name())
warns, err = i.Prepare(nil)
if len(warns) > 0 {
t.Fatalf("bad: %#v", warns)
}
if err != nil {
t.Fatalf("should not have error: %s", err)
}
if i.ISOChecksum != "baz" {
t.Fatalf("should've found \"baz\" got: %s", i.ISOChecksum)
}
// Test good - ISOChecksumURL GNU style
i = testISOConfig()
i.ISOChecksum = ""
cs_file, _ = ioutil.TempFile("", "packer-test-")
ioutil.WriteFile(cs_file.Name(), []byte(cs_gnu_style), 0666)
i.ISOChecksumURL = fmt.Sprintf("%s%s", filePrefix, cs_file.Name())
warns, err = i.Prepare(nil)
if len(warns) > 0 {
t.Fatalf("bad: %#v", warns)
}
if err != nil {
t.Fatalf("should not have error: %s", err)
}
if i.ISOChecksum != "bar0" {
t.Fatalf("should've found \"bar0\" got: %s", i.ISOChecksum)
}
// Test good - ISOChecksumURL BSD style no newline
i = testISOConfig()
i.ISOChecksum = ""
cs_file, _ = ioutil.TempFile("", "packer-test-")
ioutil.WriteFile(cs_file.Name(), []byte(cs_bsd_style_no_newline), 0666)
i.ISOChecksumURL = fmt.Sprintf("file://%s", cs_file.Name())
warns, err = i.Prepare(nil)
if len(warns) > 0 {
t.Fatalf("bad: %#v", warns)
}
if err != nil {
t.Fatalf("should not have error: %s", err)
}
if i.ISOChecksum != "baz" {
t.Fatalf("should've found \"baz\" got: %s", i.ISOChecksum)
}
// Test good - ISOChecksumURL GNU style no newline
i = testISOConfig()
i.ISOChecksum = ""
cs_file, _ = ioutil.TempFile("", "packer-test-")
ioutil.WriteFile(cs_file.Name(), []byte(cs_gnu_style_no_newline), 0666)
i.ISOChecksumURL = fmt.Sprintf("file://%s", cs_file.Name())
warns, err = i.Prepare(nil)
if len(warns) > 0 {
t.Fatalf("bad: %#v", warns)
}
if err != nil {
t.Fatalf("should not have error: %s", err)
}
if i.ISOChecksum != "bar0" {
t.Fatalf("should've found \"bar0\" got: %s", i.ISOChecksum)
}
}
func TestISOConfigPrepare_ISOChecksumType(t *testing.T) {
i := testISOConfig()
// Test bad
i.ISOChecksumType = ""
warns, err := i.Prepare(nil)
if len(warns) > 0 {
t.Fatalf("bad: %#v", warns)
}
if err == nil {
t.Fatal("should have error")
}
// Test good
i = testISOConfig()
i.ISOChecksumType = "mD5"
warns, err = i.Prepare(nil)
if len(warns) > 0 {
t.Fatalf("bad: %#v", warns)
}
if err != nil {
t.Fatalf("should not have error: %s", err)
}
if i.ISOChecksumType != "md5" {
t.Fatalf("should've lowercased: %s", i.ISOChecksumType)
}
// Test unknown
i = testISOConfig()
i.ISOChecksumType = "fake"
warns, err = i.Prepare(nil)
if len(warns) > 0 {
t.Fatalf("bad: %#v", warns)
}
if err == nil {
t.Fatal("should have error")
}
// Test none
i = testISOConfig()
i.ISOChecksumType = "none"
warns, err = i.Prepare(nil)
if len(warns) == 0 {
t.Fatalf("bad: %#v", warns)
}
if err != nil {
t.Fatalf("should not have error: %s", err)
}
if i.ISOChecksumType != "none" {
t.Fatalf("should've lowercased: %s", i.ISOChecksumType)
}
}
func TestISOConfigPrepare_ISOUrl(t *testing.T) {
i := testISOConfig()
// Test both empty
i.RawSingleISOUrl = ""
i.ISOUrls = []string{}
warns, err := i.Prepare(nil)
if len(warns) > 0 {
t.Fatalf("bad: %#v", warns)
}
if err == nil {
t.Fatal("should have error")
}
// Test iso_url not set but checksum url is
ts := httptest.NewServer(http.FileServer(http.Dir("./test-fixtures/root")))
defer ts.Close()
i = testISOConfig()
i.RawSingleISOUrl = ""
i.ISOChecksum = ""
i.ISOChecksumURL = ts.URL + "/basic.txt"
warns, err = i.Prepare(nil)
// Test iso_url set
i = testISOConfig()
i.RawSingleISOUrl = "http://www.packer.io/the-OS.iso"
warns, err = i.Prepare(nil)
if len(warns) > 0 {
t.Fatalf("bad: %#v", warns)
}
if err != nil {
t.Errorf("should not have error: %s", err)
}
expected := []string{"http://www.packer.io/the-OS.iso"}
if !reflect.DeepEqual(i.ISOUrls, expected) {
t.Fatalf("bad: %#v", i.ISOUrls)
}
// Test both set
i = testISOConfig()
i.RawSingleISOUrl = "http://www.packer.io/the-OS.iso"
i.ISOUrls = []string{"http://www.packer.io/the-OS.iso"}
warns, err = i.Prepare(nil)
if len(warns) > 0 {
t.Fatalf("bad: %#v", warns)
}
if err == nil {
t.Fatal("should have error")
}
// Test just iso_urls set
i = testISOConfig()
i.RawSingleISOUrl = ""
i.ISOUrls = []string{
"http://www.packer.io/the-OS.iso",
"http://www.hashicorp.com/the-OS.iso",
}
warns, err = i.Prepare(nil)
if len(warns) > 0 {
t.Fatalf("bad: %#v", warns)
}
if err != nil {
t.Errorf("should not have error: %s", err)
}
expected = []string{
"http://www.packer.io/the-OS.iso",
"http://www.hashicorp.com/the-OS.iso",
}
if !reflect.DeepEqual(i.ISOUrls, expected) {
t.Fatalf("bad: %#v", i.ISOUrls)
}
}
func TestISOConfigPrepare_TargetExtension(t *testing.T) {
i := testISOConfig()
// Test the default value
warns, err := i.Prepare(nil)
if len(warns) > 0 {
t.Fatalf("bad: %#v", warns)
}
if err != nil {
t.Fatalf("should not have error: %s", err)
}
if i.TargetExtension != "iso" {
t.Fatalf("should've found \"iso\" got: %s", i.TargetExtension)
}
// Test the lowercased value
i = testISOConfig()
i.TargetExtension = "DMG"
warns, err = i.Prepare(nil)
if len(warns) > 0 {
t.Fatalf("bad: %#v", warns)
}
if err != nil {
t.Fatalf("should not have error: %s", err)
}
if i.TargetExtension != "dmg" {
t.Fatalf("should've lowercased: %s", i.TargetExtension)
}
}