test(tests): ✅ Add test cases for get-last-from function

Add test cases to validate the functionality of the `get-last-from` function, covering various input scenarios. This ensures robust testing and verification of the `get-last-from` function's behavior. The addition of these test cases enhances the reliability of the `get-last-from` function. Fix #258
Black-Axis · Dec 31, 2023 · ded8316 · ded8316
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diff --git a/tests/functions/list/_get-last-element.test.scss b/tests/functions/list/_get-last-element.test.scss
@@ -0,0 +1,50 @@
+@charset "UTF-8";
+
+// @description
+// * get-last-from function.
+// * This module tests a functionality of get-last-from function.
+
+// @access private
+
+// @version 1.0.0
+
+// @author Khaled Mohamed
+
+// @license MIT
+
+// @repository: https://github.com/krypton225/sass-pire
+
+// @namespace list
+
+// @module list/get-last-element.test
+
+// @dependencies:
+// * - True.describe (true function).
+// * - True.it (true function).
+// * - True.assert-equal (true function).
+// * - Dev.err (function).
+
+// stylelint-disable function-name-case
+
+@use "sass:map";
+@use "../../../node_modules/sass-true/sass/true" as True;
+@use "../../../src/functions/list/get-last-element" as LibFunc;
+@use "../../../src/development-utils/error" as Dev;
+
+$test-cases-get-last-from-map: (
+    (1, 2, 4): 4,
+    344px: Dev.err("The parameter of get-last-from function must be in a list type."),
+    (69, 48, 54, (32, (11, 43))): 43,
+    ((true, false), (0, "Just a text"), (2, 32, 4)): 4,
+    (89, 48, 54, (32, (11, 43, (21, (11, "Yes"))))): "Yes",
+    true: Dev.err("The parameter of get-last-from function must be in a list type."),
+    "Just a number": Dev.err("The parameter of get-last-from function must be in a list type.")
+);
+
+@each $case, $result in $test-cases-get-last-from-map {
+    @include True.describe("[Function] get-last-from(#{$case}), Result: #{$result}") {
+        @include True.it("get-last-from( #{$case}).") {
+            @include True.assert-equal(LibFunc.get-last-from($case), $result);
+        }
+    }
+}
diff --git a/tests/functions/list/_index.scss b/tests/functions/list/_index.scss
@@ -29,3 +29,9 @@
 // * please see testing `get-first-from` function for details.
 // @see get-first-from
 @forward "get-first-element.test";
+
+// * get-last-element-list forward.
+// * forwarding the testing get-last-from function.
+// * please see testing `get-last-from` function for details.
+// @see get-last-from
+@forward "get-last-element.test";