NEW Scaffolded field labels now only have an uppercased first word

src/Forms/FormField.php

@@ -295,24 +295,36 @@ class FormField extends RequestHandler
      *
      * Examples:
      *
-     * - 'TotalAmount' will return 'Total Amount'
-     * - 'Organisation.ZipCode' will return 'Organisation Zip Code'
+     * - 'TotalAmount' will return 'Total amount'
+     * - 'Organisation.ZipCode' will return 'Organisation zip code'
      *
      * @param string $fieldName
      *
      * @return string
      */
     public static function name_to_label($fieldName)
     {
+        // Handle dot delimiters
         if (strpos($fieldName, '.') !== false) {
             $parts = explode('.', $fieldName);
-
-            $label = $parts[count($parts) - 2] . ' ' . $parts[count($parts) - 1];
+            // Ensure that any letter following a dot is uppercased, so that the regex below can break it up
+            // into words
+            $label = implode(array_map('ucfirst', $parts));
         } else {
             $label = $fieldName;
         }
 
-        return preg_replace('/([a-z]+)([A-Z])/', '$1 $2', $label);
+        // Replace any capital letter that is followed by a lowercase letter with a space, the lowercased
+        // version of itself then the remaining lowercase letters.
+        $labelWithSpaces = preg_replace_callback('/([A-Z])([a-z]+)/', function ($matches) {
+            return ' ' . strtolower($matches[1]) . $matches[2];
+        }, $label);
+
+        // Add a space before any capital letter block that is at the end of the string
+        $labelWithSpaces = preg_replace('/([a-z])([A-Z]+)$/', '$1 $2', $labelWithSpaces);
+
+        // The first letter should be uppercase
+        return ucfirst(trim($labelWithSpaces));
     }
 
     /**

tests/php/Forms/FieldListTest.php

@@ -482,29 +482,29 @@ public function testTabTitles()
         );
 
         $this->assertEquals(
-            $tabSetWithTitle->Title(),
             'My TabSet Title',
-            'Automatic conversion of tab identifiers through findOrMakeTab() with FormField::name_to_label()'
+            $tabSetWithTitle->Title(),
+            'Existing field title should be used'
         );
 
         $tabWithoutTitle = $set->findOrMakeTab('Root.TabWithoutTitle');
         $this->assertEquals(
+            'Tab without title',
             $tabWithoutTitle->Title(),
-            'Tab Without Title',
             'Automatic conversion of tab identifiers through findOrMakeTab() with FormField::name_to_label()'
         );
 
         $tabWithTitle = $set->findOrMakeTab('Root.TabWithTitle', 'My Tab with Title');
         $this->assertEquals(
-            $tabWithTitle->Title(),
             'My Tab with Title',
+            $tabWithTitle->Title(),
             'Setting of simple tab titles through findOrMakeTab()'
         );
 
         $childTabWithTitle = $set->findOrMakeTab('Root.TabSetWithoutTitle.NewChildTab', 'My Child Tab Title');
         $this->assertEquals(
-            $childTabWithTitle->Title(),
             'My Child Tab Title',
+            $childTabWithTitle->Title(),
             'Setting of nested tab titles through findOrMakeTab() works on last child tab'
         );
     }

tests/php/Forms/FormFieldTest.php

@@ -402,4 +402,31 @@ public function testLinkWithoutForm()
         $field = new FormField('Test');
         $field->Link('bar');
     }
+
+    /**
+     * @param string $name
+     * @param string $expected
+     * @dataProvider nameToLabelProvider
+     */
+    public function testNameToLabel($name, $expected)
+    {
+        $this->assertSame($expected, FormField::name_to_label($name));
+    }
+
+    /**
+     * @return array[]
+     */
+    public function nameToLabelProvider()
+    {
+        return [
+            ['TotalAmount', 'Total amount'],
+            ['Organisation.ZipCode', 'Organisation zip code'],
+            ['Organisation.zipCode', 'Organisation zip code'],
+            ['FooBarBaz', 'Foo bar baz'],
+            ['URLSegment', 'URL segment'],
+            ['ONLYCAPS', 'ONLYCAPS'],
+            ['onlylower', 'Onlylower'],
+            ['SpecialURL', 'Special URL'],
+        ];
+    }
 }

tests/php/Forms/FormTest.php

@@ -415,7 +415,7 @@ public function testValidationExemptActions()
         // Firstly, assert that required fields still work when not using an exempt action
         $this->assertPartialMatchBySelector(
             '#Form_Form_SomeRequiredField_Holder .required',
-            array('"Some Required Field" is required'),
+            array('"Some required field" is required'),
             'Required fields show a notification on field when left blank'
         );
 
@@ -487,7 +487,7 @@ public function testSessionValidationMessage()
         $this->assertPartialMatchBySelector(
             '#Form_Form_SomeRequiredField_Holder span.required',
             array(
-                '"Some Required Field" is required'
+                '"Some required field" is required'
             ),
             'Required fields show a notification on field when left blank'
         );

tests/php/i18n/i18nTest.php

@@ -102,7 +102,7 @@ public function testDataObjectFieldLabels()
             $obj->fieldLabel('MyProperty')
         );
         $this->assertEquals(
-            'My Untranslated Property',
+            'My untranslated property',
             $obj->fieldLabel('MyUntranslatedProperty')
         );
     }