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|
package image
import (
"context"
"fmt"
"log"
"os"
"path/filepath"
"strings"
"testing"
"github.com/stretchr/testify/require"
"golang.org/x/text/cases"
"golang.org/x/text/language"
"github.com/lxc/distrobuilder/v3/shared"
)
var incusDef = shared.Definition{
Image: shared.DefinitionImage{
Description: "{{ image.distribution|capfirst }} {{ image. release }}",
Distribution: "ubuntu",
Release: "17.10",
Architecture: "x86_64",
Expiry: "30d",
Name: "{{ image.distribution|lower }}-{{ image.release }}-{{ image.architecture }}-{{ image.serial }}",
Serial: "testing",
},
Source: shared.DefinitionSource{
Downloader: "debootstrap",
},
Packages: shared.DefinitionPackages{
Manager: "apt",
},
}
func setupIncus(t *testing.T) (*IncusImage, string) {
cacheDir, err := os.MkdirTemp(os.TempDir(), "distrobuilder-test-")
require.NoError(t, err)
err = os.MkdirAll(filepath.Join(cacheDir, "rootfs"), 0o755)
require.NoError(t, err)
err = os.MkdirAll(filepath.Join(cacheDir, "templates"), 0o755)
require.NoError(t, err)
image := NewIncusImage(context.TODO(), cacheDir, "", cacheDir, incusDef)
fail := true
defer func() {
if fail {
os.RemoveAll(cacheDir)
}
}()
// Check cache directory
require.Equal(t, cacheDir, image.cacheDir)
require.Equal(t, incusDef, image.definition)
incusDef.SetDefaults()
err = incusDef.Validate()
require.NoError(t, err)
fail = false
return image, cacheDir
}
func TestIncusBuild(t *testing.T) {
image, cacheDir := setupIncus(t)
defer os.RemoveAll(cacheDir)
testIncusBuildSplitImage(t, image)
testIncusBuildUnifiedImage(t, image)
}
func testIncusBuildSplitImage(t *testing.T, image *IncusImage) {
// Create split tarball and squashfs.
imageFile, rootfsFile, err := image.Build(false, "xz", false)
require.NoError(t, err)
require.FileExists(t, "incus.tar.xz")
require.FileExists(t, "rootfs.squashfs")
require.Equal(t, "rootfs.squashfs", filepath.Base(rootfsFile))
require.Equal(t, "incus.tar.xz", filepath.Base(imageFile))
os.Remove("incus.tar.xz")
os.Remove("rootfs.squashfs")
imageFile, rootfsFile, err = image.Build(false, "gzip", false)
require.NoError(t, err)
require.FileExists(t, "incus.tar.gz")
require.FileExists(t, "rootfs.squashfs")
require.Equal(t, "rootfs.squashfs", filepath.Base(rootfsFile))
require.Equal(t, "incus.tar.gz", filepath.Base(imageFile))
os.Remove("incus.tar.gz")
os.Remove("rootfs.squashfs")
}
func testIncusBuildUnifiedImage(t *testing.T, image *IncusImage) {
// Create unified tarball with custom name.
_, _, err := image.Build(true, "xz", false)
require.NoError(t, err)
defer os.Remove("ubuntu-17.10-x86_64-testing.tar.xz")
require.FileExists(t, "ubuntu-17.10-x86_64-testing.tar.xz")
_, _, err = image.Build(true, "gzip", false)
require.NoError(t, err)
defer os.Remove("ubuntu-17.10-x86_64-testing.tar.gz")
require.FileExists(t, "ubuntu-17.10-x86_64-testing.tar.gz")
// Create unified tarball with default name.
image.definition.Image.Name = ""
_, _, err = image.Build(true, "xz", false)
require.NoError(t, err)
defer os.Remove("incus.tar.xz")
require.FileExists(t, "incus.tar.xz")
}
func TestIncusCreateMetadata(t *testing.T) {
image, cacheDir := setupIncus(t)
defer os.RemoveAll(cacheDir)
err := image.createMetadata()
require.NoError(t, err)
tests := []struct {
name string
have string
expected string
}{
{
"Architecture",
image.Metadata.Architecture,
"x86_64",
},
{
"Properties[architecture]",
image.Metadata.Properties["architecture"],
"x86_64",
},
{
"Properties[os]",
image.Metadata.Properties["os"],
incusDef.Image.Distribution,
},
{
"Properties[release]",
image.Metadata.Properties["release"],
incusDef.Image.Release,
},
{
"Properties[description]",
image.Metadata.Properties["description"],
fmt.Sprintf("%s %s", cases.Title(language.English).String(incusDef.Image.Distribution),
incusDef.Image.Release),
},
{
"Properties[name]",
image.Metadata.Properties["name"],
fmt.Sprintf("%s-%s-%s-%s", strings.ToLower(incusDef.Image.Distribution),
incusDef.Image.Release, "x86_64", incusDef.Image.Serial),
},
}
for i, tt := range tests {
log.Printf("Running test #%d: %s", i, tt.name)
require.Equal(t, tt.expected, tt.have)
}
}
|
