feat: enhance evobgp with new command-line tools for bundle management, including pull, verify, and apply functionalities. Update go.mod to include necessary dependencies and complete todos in architecture plan for improved observability and deployment practices.

internal/birdfmt/fragment_test.go

@@ -0,0 +1,22 @@
+package birdfmt
+
+import "testing"
+
+func TestValidateIncludePath(t *testing.T) {
+	if err := ValidateIncludePath("bird.d/x.conf"); err != nil {
+		t.Fatal(err)
+	}
+	if err := ValidateIncludePath("../etc/passwd"); err == nil {
+		t.Fatal("expected error for ..")
+	}
+}
+
+func TestJoinFragments(t *testing.T) {
+	got := JoinFragments("a", "", "b")
+	if got != "a\n\nb\n" {
+		t.Fatalf("%q", got)
+	}
+	if JoinFragments() != "" {
+		t.Fatal("empty join should be empty")
+	}
+}