refactor: skeleton creator (#3042)

Signed-off-by: Philip Laine <[email protected]>

src/internal/packager2/layout/create_test.go

@@ -0,0 +1,109 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2021-Present The Zarf Authors
+
+package layout
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/defenseunicorns/pkg/helpers/v2"
+	"github.com/stretchr/testify/require"
+
+	"github.com/zarf-dev/zarf/src/pkg/layout"
+	"github.com/zarf-dev/zarf/src/pkg/lint"
+	"github.com/zarf-dev/zarf/src/test/testutil"
+)
+
+func TestCreateSkeleton(t *testing.T) {
+	t.Parallel()
+
+	ctx := testutil.TestContext(t)
+
+	lint.ZarfSchema = testutil.LoadSchema(t, "../../../../zarf.schema.json")
+
+	opt := CreateOptions{}
+	path, err := CreateSkeleton(ctx, "./testdata/zarf-package", opt)
+	require.NoError(t, err)
+
+	pkgPath := layout.New(path)
+	_, warnings, err := pkgPath.ReadZarfYAML()
+	require.NoError(t, err)
+	require.Empty(t, warnings)
+	b, err := os.ReadFile(filepath.Join(pkgPath.Base, "checksums.txt"))
+	require.NoError(t, err)
+	expectedChecksum := `54f657b43323e1ebecb0758835b8d01a0113b61b7bab0f4a8156f031128d00f9 components/data-injections.tar
+879bfe82d20f7bdcd60f9e876043cc4343af4177a6ee8b2660c304a5b6c70be7 components/files.tar
+c497f1a56559ea0a9664160b32e4b377df630454ded6a3787924130c02f341a6 components/manifests.tar
+fb7ebee94a4479bacddd71195030a483b0b0b96d4f73f7fcd2c2c8e0fce0c5c6 components/helm-charts.tar
+`
+	require.Equal(t, expectedChecksum, string(b))
+}
+
+func TestGetChecksum(t *testing.T) {
+	t.Parallel()
+
+	tmpDir := t.TempDir()
+	files := map[string]string{
+		"empty.txt":                "",
+		"foo":                      "bar",
+		"zarf.yaml":                "Zarf Yaml Data",
+		"checksums.txt":            "Old Checksum Data",
+		"nested/directory/file.md": "nested",
+	}
+	for k, v := range files {
+		err := os.MkdirAll(filepath.Join(tmpDir, filepath.Dir(k)), 0o700)
+		require.NoError(t, err)
+		err = os.WriteFile(filepath.Join(tmpDir, k), []byte(v), 0o600)
+		require.NoError(t, err)
+	}
+
+	checksumContent, checksumHash, err := getChecksum(tmpDir)
+	require.NoError(t, err)
+
+	expectedContent := `233562de1a0288b139c4fa40b7d189f806e906eeb048517aeb67f34ac0e2faf1 nested/directory/file.md
+e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 empty.txt
+fcde2b2edba56bf408601fb721fe9b5c338d10ee429ea04fae5511b68fbf8fb9 foo
+`
+	require.Equal(t, expectedContent, checksumContent)
+	require.Equal(t, "7c554cf67e1c2b50a1b728299c368cd56d53588300c37479623f29a52812ca3f", checksumHash)
+}
+
+func TestSignPackage(t *testing.T) {
+	t.Parallel()
+
+	tmpDir := t.TempDir()
+	yamlPath := filepath.Join(tmpDir, "zarf.yaml")
+	signedPath := filepath.Join(tmpDir, "zarf.yaml.sig")
+
+	err := os.WriteFile(yamlPath, []byte("foobar"), 0o644)
+	require.NoError(t, err)
+
+	err = signPackage(tmpDir, "", "")
+	require.NoError(t, err)
+	require.NoFileExists(t, signedPath)
+
+	err = signPackage(tmpDir, "./testdata/cosign.key", "wrongpassword")
+	require.EqualError(t, err, "reading key: decrypt: encrypted: decryption failed")
+
+	err = signPackage(tmpDir, "./testdata/cosign.key", "test")
+	require.NoError(t, err)
+	require.FileExists(t, signedPath)
+}
+
+func TestCreateReproducibleTarballFromDir(t *testing.T) {
+	t.Parallel()
+
+	tmpDir := t.TempDir()
+	err := os.WriteFile(filepath.Join(tmpDir, "test.txt"), []byte("hello world"), 0o600)
+	require.NoError(t, err)
+	tarPath := filepath.Join(t.TempDir(), "data.tar")
+
+	err = createReproducibleTarballFromDir(tmpDir, "", tarPath)
+	require.NoError(t, err)
+
+	shaSum, err := helpers.GetSHA256OfFile(tarPath)
+	require.NoError(t, err)
+	require.Equal(t, "c09d17f612f241cdf549e5fb97c9e063a8ad18ae7a9f3af066332ed6b38556ad", shaSum)
+}