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hostname_test.go
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package generators
import (
"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 := filepath.Join(os.TempDir(), "distrobuilder-test")
rootfsDir := filepath.Join(cacheDir, "rootfs")
setup(t, cacheDir)
defer teardown(cacheDir)
generator := Get("hostname")
require.Equal(t, HostnameGenerator{}, generator)
definition := shared.Definition{
Image: shared.DefinitionImage{
Distribution: "ubuntu",
Release: "artful",
},
}
image := image.NewLXCImage(cacheDir, "", cacheDir, definition)
err := os.MkdirAll(filepath.Join(cacheDir, "rootfs", "etc"), 0755)
require.NoError(t, err)
createTestFile(t, filepath.Join(cacheDir, "rootfs", "etc", "hostname"), "hostname")
err = generator.RunLXC(cacheDir, rootfsDir, image,
shared.DefinitionFile{Path: "/etc/hostname"})
require.NoError(t, err)
validateTestFile(t, filepath.Join(cacheDir, "tmp", "etc", "hostname"), "hostname")
validateTestFile(t, filepath.Join(cacheDir, "rootfs", "etc", "hostname"), "LXC_NAME\n")
err = RestoreFiles(cacheDir, rootfsDir)
require.NoError(t, err)
validateTestFile(t, filepath.Join(cacheDir, "rootfs", "etc", "hostname"), "hostname")
}
func TestHostnameGeneratorRunLXD(t *testing.T) {
cacheDir := filepath.Join(os.TempDir(), "distrobuilder-test")
rootfsDir := filepath.Join(cacheDir, "rootfs")
setup(t, cacheDir)
defer teardown(cacheDir)
generator := Get("hostname")
require.Equal(t, HostnameGenerator{}, generator)
definition := shared.Definition{
Image: shared.DefinitionImage{
Distribution: "ubuntu",
Release: "artful",
},
}
image := image.NewLXDImage(cacheDir, "", cacheDir, definition)
err := os.MkdirAll(filepath.Join(cacheDir, "rootfs", "etc"), 0755)
require.NoError(t, err)
createTestFile(t, filepath.Join(cacheDir, "rootfs", "etc", "hostname"), "hostname")
err = generator.RunLXD(cacheDir, rootfsDir, image,
shared.DefinitionFile{Path: "/etc/hostname"})
require.NoError(t, err)
validateTestFile(t, filepath.Join(cacheDir, "templates", "hostname.tpl"), "{{ container.name }}\n")
}