Init

internal/templates/apply_test.go

@@ -0,0 +1,33 @@
+package templates
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/example/sessionguard/internal/model"
+)
+
+func TestFileTemplateIsIdempotent(t *testing.T) {
+	root := t.TempDir()
+	item := model.TemplateItem{ID: "x", Kind: "file", Target: filepath.Join("Desktop", "x.txt"), Content: "hello", Overwrite: true}
+	changed, err := Apply(root, item)
+	if err != nil || !changed {
+		t.Fatalf("first apply: changed=%v err=%v", changed, err)
+	}
+	changed, err = Apply(root, item)
+	if err != nil || changed {
+		t.Fatalf("second apply: changed=%v err=%v", changed, err)
+	}
+	b, _ := os.ReadFile(filepath.Join(root, "Desktop", "x.txt"))
+	if string(b) != "hello" {
+		t.Fatalf("unexpected content %q", b)
+	}
+}
+
+func TestTargetCannotEscapeProfile(t *testing.T) {
+	_, err := Apply(t.TempDir(), model.TemplateItem{ID: "x", Kind: "file", Target: filepath.Join("..", "escape.txt"), Content: "x", Overwrite: true})
+	if err == nil {
+		t.Fatal("expected traversal rejection")
+	}
+}