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package generators
import (
"context"
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/require"
"github.com/lxc/distrobuilder/image"
"github.com/lxc/distrobuilder/shared"
)
func TestHostnameGeneratorRunLXC(t *testing.T) {
cacheDir, err := os.MkdirTemp(os.TempDir(), "distrobuilder-test-")
require.NoError(t, err)
rootfsDir := filepath.Join(cacheDir, "rootfs")
setup(t, cacheDir)
defer teardown(cacheDir)
generator, err := Load("hostname", nil, cacheDir, rootfsDir, shared.DefinitionFile{Path: "/etc/hostname"}, shared.Definition{})
require.IsType(t, &hostname{}, generator)
require.NoError(t, err)
definition := shared.Definition{
Image: shared.DefinitionImage{
Distribution: "ubuntu",
Release: "artful",
},
}
image := image.NewLXCImage(context.TODO(), cacheDir, "", cacheDir, definition)
err = os.MkdirAll(filepath.Join(cacheDir, "rootfs", "etc"), 0o755)
require.NoError(t, err)
createTestFile(t, filepath.Join(cacheDir, "rootfs", "etc", "hostname"), "hostname")
err = generator.RunLXC(image, shared.DefinitionTargetLXC{})
require.NoError(t, err)
validateTestFile(t, filepath.Join(cacheDir, "rootfs", "etc", "hostname"), "LXC_NAME\n")
}
func TestHostnameGeneratorRunIncus(t *testing.T) {
cacheDir, err := os.MkdirTemp(os.TempDir(), "distrobuilder-test-")
require.NoError(t, err)
rootfsDir := filepath.Join(cacheDir, "rootfs")
setup(t, cacheDir)
defer teardown(cacheDir)
generator, err := Load("hostname", nil, cacheDir, rootfsDir, shared.DefinitionFile{Path: "/etc/hostname"}, shared.Definition{})
require.IsType(t, &hostname{}, generator)
require.NoError(t, err)
definition := shared.Definition{
Image: shared.DefinitionImage{
Distribution: "ubuntu",
Release: "artful",
},
}
image := image.NewIncusImage(context.TODO(), cacheDir, "", cacheDir, definition)
err = os.MkdirAll(filepath.Join(cacheDir, "rootfs", "etc"), 0o755)
require.NoError(t, err)
createTestFile(t, filepath.Join(cacheDir, "rootfs", "etc", "hostname"), "hostname")
err = generator.RunIncus(image, shared.DefinitionTargetIncus{})
require.NoError(t, err)
validateTestFile(t, filepath.Join(cacheDir, "templates", "hostname.tpl"), "{{ container.name }}\n")
}
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