test(utils): add tests for new removeHash and template

Also adjust their doc strings slightly.

lua/nordic/tests/utils.lua

@@ -57,3 +57,12 @@ assert_eq(
 assert_eq({ U.hex_to_rgb('#191D24') }, { 25, 29, 36 }, 'U.hex_to_rgb("#191D24") should return 25, 29, 36')
 assert_eq(U.rgb_to_hex(25, 29, 36), '#191D24', 'U.rgb_to_hex(25, 29, 36) should return "#191D24"')
 assert_eq(U.blend('#FFFFFF', '#000000', 0.5), '#808080', 'U.blend("#FFFFFF", ""#000000", 0.5) should return "#808080"')
+
+assert_eq(
+    U.removeHash({ red = '#ff0000', green = '#00ff00', blue = { base = '#0000ff', other = '0000fb' } }),
+    { red = 'ff0000', green = '00ff00', blue = { base = '0000ff', other = '0000fb' } }
+)
+
+-- Template.
+
+assert_eq(U.template('${name} is ${age}', { name = 'Bob', age = 23 }), 'Bob is 23')

lua/nordic/utils.lua

@@ -103,8 +103,10 @@ end
 
 ---Simple string interpolation.
 ---
----Example template: "${name} is ${value}"
+---Example template: "${name} is ${age}"
 ---
+--- This function is taken from tokyonight.
+--- For more information see `platforms/init.lua`
 ---@param str string template string
 ---@param table table key value pairs to replace in the string
 function M.template(str, table)
@@ -131,10 +133,10 @@ function M.removeHash(colors)
     return output_colors
 end
 
--- Write a file and its contents to disk
---
--- This function is taken from tokyonight.
--- For more information see `platforms/init.lua`
+---Write a file and its contents to disk
+---
+--- This function is taken from tokyonight.
+--- For more information see `platforms/init.lua`
 ---@param path string
 ---@param contents string
 function M.write(path, contents)