Fix output of numeric defaults

src/Generators/MigrationGenerator.php

@@ -213,7 +213,7 @@ protected function buildDefinition(Model $model)
                 if (is_array($modifier)) {
                     $modifierKey = key($modifier);
                     $modifierValue = addslashes(current($modifier));
-                    if (in_array($dataType, ['boolean', 'tinyinteger']) && $modifierKey === 'default') {
+                    if ($modifierKey === 'default' && ($modifierValue === 'null' || $dataType === 'boolean' || $this->isNumericDefault($dataType, $modifierValue))) {
                         $column_definition .= sprintf("->%s(%s)", $modifierKey, $modifierValue);
                     } else {
                         $column_definition .= sprintf("->%s('%s')", $modifierKey, $modifierValue);
@@ -435,4 +435,20 @@ private function shouldAddForeignKeyConstraint(\Blueprint\Models\Column $column)
         return config('blueprint.use_constraints')
             && ($column->dataType() === 'id' || $column->dataType() === 'uuid' && Str::endsWith($column->name(), '_id'));
     }
+
+    protected function isNumericDefault(string $type, string $value): bool
+    {
+        if (! is_numeric($value)) {
+            return false;
+        }
+
+        if (Str::startsWith($type, 'unsigned')) {
+            $type = Str::after($type, 'unsigned');
+        }
+
+        return collect(self::UNSIGNABLE_TYPES)
+            ->contains(function ($value) use ($type) {
+                return strtolower($value) === strtolower($type);
+            });
+    }
 }

tests/Feature/Generators/MigrationGeneratorTest.php

@@ -854,6 +854,7 @@ public function modelTreeDataProvider()
             ['drafts/readme-example.yaml', 'database/migrations/timestamp_create_posts_table.php', 'migrations/readme-example.php'],
             ['drafts/model-identities.yaml', 'database/migrations/timestamp_create_relationships_table.php', 'migrations/identity-columns.php'],
             ['drafts/model-modifiers.yaml', 'database/migrations/timestamp_create_modifiers_table.php', 'migrations/model-modifiers.php'],
+            ['drafts/model-numeric-defaults.yaml', 'database/migrations/timestamp_create_numerics_table.php', 'migrations/model-numeric-defaults.php'],
             ['drafts/soft-deletes.yaml', 'database/migrations/timestamp_create_comments_table.php', 'migrations/soft-deletes.php'],
             ['drafts/with-timezones.yaml', 'database/migrations/timestamp_create_comments_table.php', 'migrations/with-timezones.php'],
             ['drafts/relationships.yaml', 'database/migrations/timestamp_create_comments_table.php', 'migrations/relationships.php'],

tests/fixtures/drafts/model-numeric-defaults.yaml

@@ -0,0 +1,13 @@
+models:
+  Numeric:
+    id: increments
+    foo: bigInteger default:100
+    bar: boolean default:0
+    baz: decimal default:1.0
+    qui: integer default:1
+    qux: mediumInteger default:1
+    quux: smallInteger default:1
+    corge: tinyInteger default:1
+    grault: unsignedInteger default:1
+    garply: integer default:null nullable
+    waldo: unsignedDecimal default:i

tests/fixtures/migrations/model-numeric-defaults.php

@@ -0,0 +1,41 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateNumericsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('numerics', function (Blueprint $table) {
+            $table->increments('id');
+            $table->bigInteger('foo')->default(100);
+            $table->boolean('bar')->default(0);
+            $table->decimal('baz')->default(1.0);
+            $table->integer('qui')->default(1);
+            $table->mediumInteger('qux')->default(1);
+            $table->smallInteger('quux')->default(1);
+            $table->tinyInteger('corge')->default(1);
+            $table->unsignedInteger('grault')->default(1);
+            $table->integer('garply')->default(null)->nullable();
+            $table->unsignedDecimal('waldo')->default('i');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('numerics');
+    }
+}