Add test for temperature helper

Author: thekid

src/main/php/de/thekid/dialog/Helpers.php

@@ -23,7 +23,7 @@ public function helpers() {
     yield 'range' => function($node, $context, $options) {
       $from= date($options['format'], strtotime($options[0]));
       $until= date($options['format'], strtotime($options[1]));
-      return $from === $until ? $from : $from.' - '.$until;
+      return $from === $until ? $from : $from.' — '.$until;
     };
     yield 'range-rel' => function($node, $context, $options) {
       $from= strtotime($options[0]);

src/test/php/de/thekid/dialog/unittest/HelpersTest.php

@@ -7,9 +7,9 @@ class HelpersTest {
   private $helpers= [...new Helpers()->helpers()];
 
   #[Test, Values([
-    [['2022-11-29', '2022-12-01', 'format' => 'd.m.Y'], '29.11.2022 - 01.12.2022'],
+    [['2022-11-29', '2022-12-01', 'format' => 'd.m.Y'], '29.11.2022 — 01.12.2022'],
     [['2022-11-29', '2022-11-29', 'format' => 'd.m.Y'], '29.11.2022'],
-    [['2022-11-29', '2022-12-01', 'format' => 'M Y'], 'Nov 2022 - Dec 2022'],
+    [['2022-11-29', '2022-12-01', 'format' => 'M Y'], 'Nov 2022 — Dec 2022'],
     [['2022-11-29', '2022-11-30', 'format' => 'M Y'], 'Nov 2022'],
   ])]
   public function range($options, $expected) {
@@ -27,6 +27,17 @@ public function range_rel($options, $expected) {
     Assert::equals($expected, $this->helpers['range-rel'](null, null, $options));
   }
 
+  #[Test, Values([
+    [[25.0, 25.0], '25.0'],
+    [[25.0, 25.4], '25.2'],
+    [[25.2, 25.4, 'tolerance' => 0], '25.2 — 25.4'],
+    [[25.4, 27.2], '25.4 — 27.2'],
+    [[-1.5, 1.5], '-1.5 — 1.5'],
+  ])]
+  public function temperature($options, $expected) {
+    Assert::equals($expected, $this->helpers['temperature'](null, null, $options));
+  }
+
   #[Test, Values([
     [['slug' => 'test', 'is' => ['journey' => true]], 'journey/test'],
     [['slug' => 'test', 'is' => ['content' => true]], 'content/test'],