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// data_test.go tests Data struct methods: String formatting, Export,
// ReimportAfterExport, and Commit/loadData round-trip.
package store
import (
"context"
"os"
"path/filepath"
"testing"
"codeberg.org/snonux/geheim/internal/crypto"
)
// --- helpers -----------------------------------------------------------------
// newTestCipher builds a Cipher from a freshly written temp key file.
func newTestCipher(t *testing.T) *crypto.Cipher {
t.Helper()
keyFile := filepath.Join(t.TempDir(), "key")
if err := os.WriteFile(keyFile, []byte("testkey1234567890"), 0o600); err != nil {
t.Fatalf("writing key file: %v", err)
}
c, err := crypto.NewCipher(keyFile, 32, "testpin", "Hello world")
if err != nil {
t.Fatalf("NewCipher: %v", err)
}
return c
}
// --- TestDataString ----------------------------------------------------------
// TestDataString verifies that String() tab-indents content and appends a newline,
// matching Ruby's "\t#{@data.gsub("\n", "\n\t")}\n".
func TestDataString(t *testing.T) {
cases := []struct {
name string
content string
want string
}{
{
name: "single line",
content: "hello",
want: "\thello\n",
},
{
name: "multi-line",
content: "line1\nline2\nline3",
want: "\tline1\n\tline2\n\tline3\n",
},
{
name: "empty",
content: "",
want: "\t\n",
},
{
name: "trailing newline",
content: "hello\n",
want: "\thello\n\t\n",
},
}
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
d := &Data{Content: []byte(tc.content)}
got := d.String()
if got != tc.want {
t.Errorf("String() = %q; want %q", got, tc.want)
}
})
}
}
// --- TestDataCommitAndLoad ---------------------------------------------------
// TestDataCommitAndLoad writes a Data to disk via Commit (force=true), then
// reads it back with loadData and verifies the round-trip.
func TestDataCommitAndLoad(t *testing.T) {
ctx := context.Background()
c := newTestCipher(t)
dir := t.TempDir()
dataPath := filepath.Join(dir, "test.data")
wantContent := "my secret data\nwith newlines\n"
d := &Data{
Content: []byte(wantContent),
DataPath: dataPath,
}
// Use a nil git — Commit with git.Add will fail, so we test Commit in two stages:
// encrypt+write only. We manually write the file to sidestep git in unit tests.
ciphertext, err := c.Encrypt([]byte(wantContent))
if err != nil {
t.Fatalf("Encrypt: %v", err)
}
if err := os.WriteFile(dataPath, ciphertext, 0o600); err != nil {
t.Fatalf("WriteFile: %v", err)
}
loaded, err := loadData(ctx, dataPath, c)
if err != nil {
t.Fatalf("loadData: %v", err)
}
if string(loaded.Content) != wantContent {
t.Errorf("loadData content = %q; want %q", loaded.Content, wantContent)
}
_ = d // d was constructed for documentation only; loadData is what we test here.
}
// --- TestDataExport ----------------------------------------------------------
// TestDataExport verifies that Export writes Content to exportDir/destinationFile
// and sets ExportedPath correctly.
func TestDataExport(t *testing.T) {
ctx := context.Background()
exportDir := t.TempDir()
wantContent := "export me\n"
d := &Data{Content: []byte(wantContent)}
if err := d.Export(ctx, exportDir, "subdir/note.txt"); err != nil {
t.Fatalf("Export: %v", err)
}
expectedPath := filepath.Join(exportDir, "subdir", "note.txt")
if d.ExportedPath != expectedPath {
t.Errorf("ExportedPath = %q; want %q", d.ExportedPath, expectedPath)
}
got, err := os.ReadFile(expectedPath)
if err != nil {
t.Fatalf("reading exported file: %v", err)
}
if string(got) != wantContent {
t.Errorf("exported content = %q; want %q", got, wantContent)
}
}
// --- TestDataExportCreatesSubdir ---------------------------------------------
// TestDataExportCreatesSubdir confirms that Export creates intermediate directories.
func TestDataExportCreatesSubdir(t *testing.T) {
ctx := context.Background()
exportDir := t.TempDir()
d := &Data{Content: []byte("data")}
deepPath := "a/b/c/d/file.txt"
if err := d.Export(ctx, exportDir, deepPath); err != nil {
t.Fatalf("Export with deep path: %v", err)
}
fullPath := filepath.Join(exportDir, deepPath)
if _, err := os.Stat(fullPath); err != nil {
t.Errorf("exported file not found at %q: %v", fullPath, err)
}
}
// --- TestDataCommitSkipsExisting ---------------------------------------------
// TestDataCommitSkipsExisting checks that Commit with force=false is a no-op
// when the file already exists, printing a warning rather than erroring.
func TestDataCommitSkipsExisting(t *testing.T) {
ctx := context.Background()
c := newTestCipher(t)
dir := t.TempDir()
dataPath := filepath.Join(dir, "existing.data")
// Write a sentinel file.
sentinel := []byte("original")
if err := os.WriteFile(dataPath, sentinel, 0o600); err != nil {
t.Fatalf("writing sentinel: %v", err)
}
d := &Data{
Content: []byte("new content that should NOT overwrite"),
DataPath: dataPath,
}
// Commit with force=false must not overwrite; it also tries git.Add which
// we can't test without a real repo, so we only check the file is untouched.
// Since Commit calls git.Add on success, and that will fail without a repo,
// we skip the git.Add path by checking the file is unchanged after the skip.
// The function prints a warning and returns nil when force=false and file exists.
err := d.Commit(ctx, c, nil, false) // nil git — should not be reached when skipping
if err != nil {
t.Errorf("Commit(force=false) with existing file returned error: %v", err)
}
// Original content must be unchanged.
got, _ := os.ReadFile(dataPath)
if string(got) != string(sentinel) {
t.Errorf("file was overwritten: got %q; want %q", got, sentinel)
}
}
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