Component schema should be optional

src/lib/SchemaToDatabase.php

@@ -94,7 +94,7 @@ public function prepareModels(): array
 
         $openApi = $this->config->getOpenApi();
         $junctions = $this->findJunctionSchemas();
-        foreach ($openApi->components->schemas as $schemaName => $openApiSchema) {
+        foreach ($openApi->components->schemas ?? [] as $schemaName => $openApiSchema) {
             $schema = Yii::createObject(ComponentSchema::class, [$openApiSchema, $schemaName]);
 
             if (!$this->canGenerateModel($schemaName, $schema)) {
@@ -153,7 +153,7 @@ public function findJunctionSchemas(): JunctionSchemas
     {
         $junctions = [];
         $openApi = $this->config->getOpenApi();
-        foreach ($openApi->components->schemas as $schemaName => $openApiSchema) {
+        foreach ($openApi->components->schemas ?? [] as $schemaName => $openApiSchema) {
             /**@var ComponentSchema $schema */
             $schema = Yii::createObject(ComponentSchema::class, [$openApiSchema, $schemaName]);
             if ($schema->isNonDb()) {

tests/specs/issue_fix/96_component_schema_should_be_optional/index.php

@@ -0,0 +1,13 @@
+<?php
+
+return [
+    'openApiPath' => '@specs/issue_fix/96_component_schema_should_be_optional/index.yml',
+    'generateUrls' => false,
+    'generateModels' => true,
+    'excludeModels' => [
+        'Error',
+    ],
+    'generateControllers' => false,
+    'generateMigrations' => false,
+    'generateModelFaker' => true,
+];

tests/specs/issue_fix/96_component_schema_should_be_optional/index.yml

@@ -0,0 +1,13 @@
+openapi: "3.0.0"
+info:
+  version: 1.0.0
+  title: 96_component_schema_should_be_optional
+
+paths:
+  /:
+    get:
+      summary: List
+      operationId: list
+      responses:
+        '200':
+          description: The information

tests/specs/issue_fix/96_component_schema_should_be_optional/mysql/models/BaseModelFaker.php

@@ -0,0 +1,144 @@
+<?php
+
+namespace app\models;
+
+use Faker\Factory as FakerFactory;
+use Faker\Generator;
+use Faker\UniqueGenerator;
+
+/**
+ * Base fake data generator
+ */
+abstract class BaseModelFaker
+{
+    /**
+     * @var Generator
+    */
+    protected $faker;
+    /**
+     * @var UniqueGenerator
+    */
+    protected $uniqueFaker;
+
+    public function __construct()
+    {
+        $this->faker = FakerFactory::create(str_replace('-', '_', \Yii::$app->language));
+        $this->uniqueFaker = new UniqueGenerator($this->faker);
+    }
+
+    abstract public function generateModel($attributes = []);
+
+    public function getFaker():Generator
+    {
+        return $this->faker;
+    }
+
+    public function getUniqueFaker():UniqueGenerator
+    {
+        return $this->uniqueFaker;
+    }
+
+    public function setFaker(Generator $faker):void
+    {
+        $this->faker = $faker;
+    }
+
+    public function setUniqueFaker(UniqueGenerator $faker):void
+    {
+        $this->uniqueFaker = $faker;
+    }
+
+    /**
+     * Generate and return model
+     * @param array|callable $attributes
+     * @param UniqueGenerator|null $uniqueFaker
+     * @return \yii\db\ActiveRecord
+     * @example MyFaker::makeOne(['user_id' => 1, 'title' => 'foo']);
+     * @example MyFaker::makeOne( function($model, $faker) {
+     *        $model->scenario = 'create';
+     *        $model->setAttributes(['user_id' => 1, 'title' => $faker->sentence]);
+     *        return $model;
+     *  });
+     */
+    public static function makeOne($attributes = [], ?UniqueGenerator $uniqueFaker = null)
+    {
+        $fakeBuilder = new static();
+        if ($uniqueFaker !== null) {
+            $fakeBuilder->setUniqueFaker($uniqueFaker);
+        }
+        $model = $fakeBuilder->generateModel($attributes);
+        return $model;
+    }
+
+    /**
+     * Generate, save and return model
+     * @param array|callable $attributes
+     * @param UniqueGenerator|null $uniqueFaker
+     * @return \yii\db\ActiveRecord
+     * @example MyFaker::saveOne(['user_id' => 1, 'title' => 'foo']);
+     * @example MyFaker::saveOne( function($model, $faker) {
+     *        $model->scenario = 'create';
+     *        $model->setAttributes(['user_id' => 1, 'title' => $faker->sentence]);
+     *        return $model;
+     *  });
+     */
+    public static function saveOne($attributes = [], ?UniqueGenerator $uniqueFaker = null)
+    {
+        $model = static::makeOne($attributes, $uniqueFaker);
+        $model->save();
+        return $model;
+    }
+
+    /**
+     * Generate and return multiple models
+     * @param int $number
+     * @param array|callable $commonAttributes
+     * @return \yii\db\ActiveRecord[]|array
+     * @example TaskFaker::make(5, ['project_id'=>1, 'user_id' => 2]);
+     * @example TaskFaker::make(5, function($model, $faker, $uniqueFaker) {
+     *       $model->setAttributes(['name' => $uniqueFaker->username, 'state'=>$faker->boolean(20)]);
+     *       return $model;
+     * });
+     */
+    public static function make(int $number, $commonAttributes = [], ?UniqueGenerator $uniqueFaker = null):array
+    {
+        if ($number < 1) {
+            return [];
+        }
+        $fakeBuilder = new static();
+        if ($uniqueFaker !== null) {
+            $fakeBuilder->setUniqueFaker($uniqueFaker);
+        }
+        return array_map(function () use ($commonAttributes, $fakeBuilder) {
+            $model = $fakeBuilder->generateModel($commonAttributes);
+            return $model;
+        }, range(0, $number -1));
+    }
+
+    /**
+     * Generate, save and return multiple models
+     * @param int $number
+     * @param array|callable $commonAttributes
+     * @return \yii\db\ActiveRecord[]|array
+     * @example TaskFaker::save(5, ['project_id'=>1, 'user_id' => 2]);
+     * @example TaskFaker::save(5, function($model, $faker, $uniqueFaker) {
+     *       $model->setAttributes(['name' => $uniqueFaker->username, 'state'=>$faker->boolean(20)]);
+     *       return $model;
+     * });
+     */
+    public static function save(int $number, $commonAttributes = [], ?UniqueGenerator $uniqueFaker = null):array
+    {
+        if ($number < 1) {
+            return [];
+        }
+        $fakeBuilder = new static();
+        if ($uniqueFaker !== null) {
+            $fakeBuilder->setUniqueFaker($uniqueFaker);
+        }
+        return array_map(function () use ($commonAttributes, $fakeBuilder) {
+            $model = $fakeBuilder->generateModel($commonAttributes);
+            $model->save();
+            return $model;
+        }, range(0, $number -1));
+    }
+}

tests/unit/IssueFixTest.php

@@ -1029,4 +1029,18 @@ public function test23ConsiderOpenapiExtensionXNoRelationAlsoInOtherPertinentPla
         $this->checkFiles($actualFiles, $expectedFiles);
         $this->runActualMigrations();
     }
+
+    // https://github.com/php-openapi/yii2-openapi/issues/96
+    public function test96ComponentSchemaShouldBeOptional()
+    {
+        $testFile = Yii::getAlias("@specs/issue_fix/96_component_schema_should_be_optional/index.php");
+        $this->runGenerator($testFile);
+        $actualFiles = FileHelper::findFiles(Yii::getAlias('@app'), [
+            'recursive' => true,
+        ]);
+        $expectedFiles = FileHelper::findFiles(Yii::getAlias("@specs/issue_fix/96_component_schema_should_be_optional/mysql"), [
+            'recursive' => true,
+        ]);
+        $this->checkFiles($actualFiles, $expectedFiles);
+    }
 }