From 95a5586e0fe196e2291acaf128b8d1b4f8a32510 Mon Sep 17 00:00:00 2001
From: Singularis <singularis@volny.cz>
Date: Mon, 21 Apr 2025 07:21:53 +0200
Subject: [advtrains] přechod na Advtrains 2.5.0 (první pokus)
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- [ch_core/lib] drobná oprava
- [advtrains_attachment_offset_patch] použití initial_properties
---
 advtrains/spec/wagons_spec.lua | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 advtrains/spec/wagons_spec.lua

(limited to 'advtrains/spec/wagons_spec.lua')

diff --git a/advtrains/spec/wagons_spec.lua b/advtrains/spec/wagons_spec.lua
new file mode 100644
index 0000000..df0687b
--- /dev/null
+++ b/advtrains/spec/wagons_spec.lua
@@ -0,0 +1,40 @@
+require "mineunit"
+mineunit "core"
+
+_G.advtrains = {
+	wagon_load_range = 32
+}
+sourcefile "wagons"
+
+local myproto = {_test = true}
+advtrains.register_wagon(":mywagon", myproto, "My wagon", "", false)
+advtrains.register_wagon_alias(":myalias", ":mywagon")
+advtrains.register_wagon_alias(":myotheralias", ":myalias")
+
+local myotherproto = {_other = true}
+advtrains.register_wagon(":noalias", myotherproto, "Not aliased wagon", "", false)
+advtrains.register_wagon_alias(":noalias", ":mywagon")
+
+advtrains.register_wagon_alias(":nilalias", ":nil")
+
+advtrains.register_wagon_alias(":R1", ":R2")
+advtrains.register_wagon_alias(":R2", ":R3")
+advtrains.register_wagon_alias(":R3", ":R1")
+
+describe("wagon alias system", function()
+	it("should work", function()
+		assert.same({":mywagon", myproto}, {advtrains.resolve_wagon_alias(":myalias")})
+		assert.equal(myproto, advtrains.wagon_prototypes[":myalias"])
+		assert.same({":mywagon", myproto}, {advtrains.resolve_wagon_alias(":myotheralias")})
+	end)
+	it("should respect wagon registration", function()
+		assert.same({":noalias", myotherproto}, {advtrains.resolve_wagon_alias(":noalias")})
+	end)
+	it("should handle recursive loops", function()
+		assert.same({}, {advtrains.resolve_wagon_alias(":R1")})
+	end)
+	it("should return nil for missing entries", function()
+		assert.same({}, {advtrains.resolve_wagon_alias(":what")})
+		assert.same({}, {advtrains.resolve_wagon_alias(":nilalias")})
+	end)
+end)
-- 
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