From 30c465a4e3809f1627a16cf534ce92d7f7c398e4 Mon Sep 17 00:00:00 2001
From: Victor Giers <mail@victorgiers.com>
Date: Wed, 22 Apr 2026 16:54:51 +0200
Subject: [PATCH] auto-git:  [change] tests/domain/world-settings.test.ts

---
 tests/domain/world-settings.test.ts | 30 +++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/tests/domain/world-settings.test.ts b/tests/domain/world-settings.test.ts
index 0cc24c79..d180565c 100644
--- a/tests/domain/world-settings.test.ts
+++ b/tests/domain/world-settings.test.ts
@@ -4,7 +4,9 @@ import {
   areWorldSettingsEqual,
   changeWorldBackgroundMode,
   cloneWorldSettings,
+  createDefaultWorldCelestialOrbitAuthoringSettings,
   createDefaultWorldShaderSkySettings,
+  createWorldCelestialOrbitSettingsFromPeakDirection,
   createDefaultWorldSettings
 } from "../../src/document/world-settings";
 
@@ -19,6 +21,8 @@ describe("world settings helpers", () => {
     expect(clone.shaderSky).not.toBe(source.shaderSky);
     expect(clone.shaderSky.celestial).not.toBe(source.shaderSky.celestial);
     expect(clone.shaderSky.clouds).not.toBe(source.shaderSky.clouds);
+    expect(clone.celestialOrbits).not.toBe(source.celestialOrbits);
+    expect(clone.celestialOrbits.sun).not.toBe(source.celestialOrbits.sun);
     expect(clone.sunLight.direction).not.toBe(source.sunLight.direction);
     expect(clone.advancedRendering).not.toBe(source.advancedRendering);
     expect(clone.advancedRendering.shadows).not.toBe(
@@ -186,4 +190,30 @@ describe("world settings helpers", () => {
 
     expect(areWorldSettingsEqual(left, right)).toBe(false);
   });
+
+  it("treats celestial orbit settings as part of authored world equality", () => {
+    const left = createDefaultWorldSettings();
+    const right = cloneWorldSettings(left);
+
+    right.celestialOrbits.moon.azimuthDegrees =
+      right.celestialOrbits.moon.azimuthDegrees + 12;
+
+    expect(areWorldSettingsEqual(left, right)).toBe(false);
+  });
+
+  it("derives default celestial orbit settings from a legacy sun direction", () => {
+    const direction = {
+      x: -0.6,
+      y: 1,
+      z: 0.35
+    };
+    const defaults = createDefaultWorldCelestialOrbitAuthoringSettings(
+      direction
+    );
+    const derivedSunOrbit =
+      createWorldCelestialOrbitSettingsFromPeakDirection(direction);
+
+    expect(defaults.sun).toEqual(derivedSunOrbit);
+    expect(defaults.moon).toEqual(derivedSunOrbit);
+  });
 });