dump: Add test for splitPath

cmd/restic/cmd_dump.go

@@ -59,7 +59,7 @@ func splitPath(p string) []string {
 	if d == "" || d == "/" {
 		return []string{f}
 	}
-	s := splitPath(path.Clean(path.Join("/", d)))
+	s := splitPath(path.Join("/", d))
 	return append(s, f)
 }
 

cmd/restic/cmd_dump_test.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"testing"
+
+	rtest "github.com/restic/restic/internal/test"
+)
+
+func TestDumpSplitPath(t *testing.T) {
+	testPaths := []struct {
+		path   string
+		result []string
+	}{
+		{"", []string{""}},
+		{"test", []string{"test"}},
+		{"test/dir", []string{"test", "dir"}},
+		{"test/dir/sub", []string{"test", "dir", "sub"}},
+		{"/", []string{""}},
+		{"/test", []string{"test"}},
+		{"/test/dir", []string{"test", "dir"}},
+		{"/test/dir/sub", []string{"test", "dir", "sub"}},
+	}
+	for _, path := range testPaths {
+		parts := splitPath(path.path)
+		rtest.Equals(t, path.result, parts)
+	}
+}