diff --git a/render/clone_animation_test.go b/render/clone_animation_test.go
index e94d08c..a802a62 100644
--- a/render/clone_animation_test.go
+++ b/render/clone_animation_test.go
@@ -81,3 +81,18 @@ func TestCloneAnimationBuildFrame(t *testing.T) {
 		}
 	}
 }
+
+func TestCloneAnimationDemo(t *testing.T) {
+	var buf bytes.Buffer
+	a := NewCloneAnimation(&buf, "repo")
+
+	a.Demo()
+
+	out := buf.String()
+	if !strings.Contains(out, "100%") {
+		t.Fatalf("expected demo output to reach 100%%, got %q", out)
+	}
+	if !strings.HasSuffix(out, "\n") {
+		t.Fatalf("expected demo output to end with newline, got %q", out)
+	}
+}
diff --git a/render/skyline_test.go b/render/skyline_test.go
index c194a48..1db7f81 100644
--- a/render/skyline_test.go
+++ b/render/skyline_test.go
@@ -2,7 +2,9 @@ package render
 
 import (
 	"bytes"
+	"io"
 	"math/rand/v2"
+	"os"
 	"path/filepath"
 	"regexp"
 	"strings"
@@ -418,3 +420,39 @@ func TestSkylineMinMax(t *testing.T) {
 		})
 	}
 }
+
+func TestSkylineAnimatePathCallsRenderAnimatedForStdout(t *testing.T) {
+	project := scanner.Project{
+		Root: t.TempDir(),
+		Name: "Demo",
+		Files: []scanner.FileInfo{
+			{Path: "main.go", Ext: ".go", Size: 100},
+		},
+	}
+
+	origStdout := os.Stdout
+	r, w, err := os.Pipe()
+	if err != nil {
+		t.Fatal(err)
+	}
+	os.Stdout = w
+	t.Cleanup(func() {
+		os.Stdout = origStdout
+	})
+
+	done := make(chan string, 1)
+	go func() {
+		data, _ := io.ReadAll(r)
+		done <- string(data)
+	}()
+
+	Skyline(w, project, true)
+
+	if err := w.Close(); err != nil {
+		t.Fatal(err)
+	}
+	out := <-done
+	if !strings.Contains(out, "Demo") {
+		t.Fatalf("expected skyline output to include project name, got:\n%s", out)
+	}
+}