1 files changed, 30 insertions, 0 deletions
diff --git a/tests/Unit/SortDirectionsTest.php b/tests/Unit/SortDirectionsTest.php
new file mode 100644
index 0000000..c63d5bb
--- /dev/null
+++ b/tests/Unit/SortDirectionsTest.php
@@ -0,0 +1,30 @@
+<?php
+
+use Lightscale\LaralightTables\Support\SortDirections;
+
+describe('SortDirections', function () {
+    it('converts the enum to a query builder direction', function () {
+        expect(SortDirections::value(SortDirection::Ascending))->toBe('asc');
+        expect(SortDirections::value(SortDirection::Descending))->toBe('desc');
+    });
+
+    it('resolves strings to the enum', function () {
+        expect(SortDirections::tryFrom('asc'))->toBe(SortDirection::Ascending);
+        expect(SortDirections::tryFrom('desc'))->toBe(SortDirection::Descending);
+    });
+
+    it('resolves strings case insensitively', function () {
+        expect(SortDirections::tryFrom('ASC'))->toBe(SortDirection::Ascending);
+        expect(SortDirections::tryFrom('Desc'))->toBe(SortDirection::Descending);
+    });
+
+    it('passes an enum straight through', function () {
+        expect(SortDirections::tryFrom(SortDirection::Descending))->toBe(SortDirection::Descending);
+    });
+
+    it('resolves null and unrecognised values to null', function () {
+        expect(SortDirections::tryFrom(null))->toBeNull();
+        expect(SortDirections::tryFrom(''))->toBeNull();
+        expect(SortDirections::tryFrom('nonsense'))->toBeNull();
+    });
+});