From 42c5886178e5ca0cf4796ad45b1594087cb8da4e Mon Sep 17 00:00:00 2001
From: Hisham Muhammad <hisham@gobolinux.org>
Date: Mon, 6 Jun 2022 15:43:58 -0300
Subject: tests: tests for util.variable_substitutions

---
 spec/util_spec.lua | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'spec')

diff --git a/spec/util_spec.lua b/spec/util_spec.lua
index 5aa49b4c..0c2d620e 100644
--- a/spec/util_spec.lua
+++ b/spec/util_spec.lua
@@ -72,6 +72,31 @@ describe("luarocks.util #unit", function()
       runner.shutdown()
    end)
 
+   describe("util.variable_substitutions", function()
+      it("replaces variables", function()
+         local t = {
+            ["hello"] = "$(KIND) world",
+         }
+         util.variable_substitutions(t, {
+            ["KIND"] = "happy",
+         })
+         assert.are.same({
+            ["hello"] = "happy world",
+         }, t)
+      end)
+
+      it("missing variables are empty", function()
+         local t = {
+            ["hello"] = "$(KIND) world",
+         }
+         util.variable_substitutions(t, {
+         })
+         assert.are.same({
+            ["hello"] = " world",
+         }, t)
+      end)
+   end)
+
    describe("util.sortedpairs", function()
       local function collect(iter, state, var)
          local collected = {}
-- 
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