Files
notarius/internal/core/workspace/files_test.go

149 lines
3.8 KiB
Go

package workspace
import (
"os"
"path/filepath"
"strings"
"testing"
)
func TestSafePathAcceptsCleanRelativePaths(t *testing.T) {
root := t.TempDir()
got, err := SafePath(root, "source/manifest.json")
if err != nil {
t.Fatalf("SafePath: %v", err)
}
want := filepath.Join(root, "source", "manifest.json")
if got != want {
t.Fatalf("SafePath = %q, want %q", got, want)
}
}
func TestSafePathRejectsUnsafeNames(t *testing.T) {
root := t.TempDir()
tests := []struct {
name string
path string
want string
}{
{name: "empty", path: " ", want: "empty"},
{name: "absolute", path: filepath.Join(root, "artifact.json"), want: "relative"},
{name: "parent segment", path: "../artifact.json", want: ".."},
{name: "embedded parent", path: "source/../artifact.json", want: ".."},
{name: "backslash", path: `source\artifact.json`, want: "slash-separated"},
{name: "unclean", path: "source//artifact.json", want: "clean"},
{name: "dot", path: ".", want: ".."},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
got, err := SafePath(root, tc.path)
if err == nil {
t.Fatalf("SafePath returned %q, want error", got)
}
if !strings.Contains(err.Error(), tc.want) {
t.Fatalf("SafePath error = %v, want containing %q", err, tc.want)
}
})
}
}
func TestSafePathRejectsEmptyRoot(t *testing.T) {
got, err := SafePath(" ", "artifact.json")
if err == nil {
t.Fatalf("SafePath returned %q, want error", got)
}
if !strings.Contains(err.Error(), "root") {
t.Fatalf("SafePath error = %v, want root error", err)
}
}
func TestSafePathDoesNotPermitEscapingRoot(t *testing.T) {
root := t.TempDir()
for _, name := range []string{
"..",
"../outside.json",
"nested/../../outside.json",
} {
t.Run(name, func(t *testing.T) {
got, err := SafePath(root, name)
if err == nil {
t.Fatalf("SafePath returned %q, want error", got)
}
})
}
}
func TestWriteJSONWritesIndentedAtomicArtifact(t *testing.T) {
root := t.TempDir()
err := WriteJSON(root, "source/manifest.json", map[string]any{
"status": "succeeded",
"count": 2,
})
if err != nil {
t.Fatalf("WriteJSON: %v", err)
}
got := string(readFile(t, filepath.Join(root, "source", "manifest.json")))
if !strings.HasSuffix(got, "\n") {
t.Fatalf("expected trailing newline, got %q", got)
}
if !strings.Contains(got, `"status": "succeeded"`) || !strings.Contains(got, `"count": 2`) {
t.Fatalf("unexpected JSON: %s", got)
}
assertNoTempFiles(t, filepath.Join(root, "source"))
}
func TestWriteBytesWritesNestedArtifact(t *testing.T) {
root := t.TempDir()
if err := WriteBytes(root, "chunk/chunks.json", []byte("payload")); err != nil {
t.Fatalf("WriteBytes: %v", err)
}
got := string(readFile(t, filepath.Join(root, "chunk", "chunks.json")))
if got != "payload" {
t.Fatalf("bytes = %q, want payload", got)
}
assertNoTempFiles(t, filepath.Join(root, "chunk"))
}
func TestWritersRejectUnsafePaths(t *testing.T) {
root := t.TempDir()
if err := WriteBytes(root, "../outside.json", []byte("payload")); err == nil {
t.Fatalf("WriteBytes accepted unsafe path")
}
if err := WriteJSON(root, `debug\trace.json`, map[string]string{"x": "y"}); err == nil {
t.Fatalf("WriteJSON accepted unsafe path")
}
if _, err := os.Stat(filepath.Join(root, "..", "outside.json")); !os.IsNotExist(err) {
t.Fatalf("outside path stat err = %v, want not exist", err)
}
}
func readFile(t *testing.T, path string) []byte {
t.Helper()
data, err := os.ReadFile(path)
if err != nil {
t.Fatalf("read %q: %v", path, err)
}
return data
}
func assertNoTempFiles(t *testing.T, dir string) {
t.Helper()
entries, err := os.ReadDir(dir)
if err != nil {
t.Fatalf("read dir %q: %v", dir, err)
}
for _, entry := range entries {
if strings.Contains(entry.Name(), ".tmp-") {
t.Fatalf("temporary file was not cleaned up: %s", entry.Name())
}
}
}