koi_swagger_parser/test/defaults_and_parameters_test.dart

import 'dart:io';

import 'package:koi_swagger_parser/koi_swagger_parser.dart';
import 'package:path/path.dart' as p;
import 'package:test/test.dart';

void main() {
  group('default values and optional parameters', () {
    test('枚举默认值与 query 默认值生成合法 Dart 代码', () async {
      final tempDir = await Directory.systemTemp.createTemp(
        'koi_swagger_parser_defaults_',
      );
      addTearDown(() => tempDir.delete(recursive: true));

      final specFile = File(p.join(tempDir.path, 'openapi.json'));
      await specFile.writeAsString(r'''
{
  "openapi": "3.1.0",
  "info": {
    "title": "Defaults Sample",
    "version": "1.0.0"
  },
  "paths": {
    "/api/v1/samples": {
      "get": {
        "tags": ["samples"],
        "operationId": "list_samples_api_v1_samples_get",
        "parameters": [
          {
            "name": "page_no",
            "in": "query",
            "required": false,
            "schema": {"type": "integer", "default": 1}
          },
          {
            "name": "tag",
            "in": "query",
            "required": false,
            "schema": {"type": "string"}
          }
        ],
        "responses": {
          "200": {
            "description": "ok",
            "content": {
              "application/json": {
                "schema": {"$ref": "#/components/schemas/SampleResponse"}
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "SampleResponse": {
        "type": "object",
        "required": ["id"],
        "properties": {
          "id": {"type": "integer"},
          "conflict_policy": {
            "type": "string",
            "enum": ["exclusive", "mix"],
            "default": "exclusive"
          }
        }
      }
    }
  }
}
''');

      final outputDir = p.join(tempDir.path, 'lib', 'src');
      final configFile = File(p.join(tempDir.path, 'koi_swagger_parser.yaml'));
      await configFile.writeAsString('''
input:
  swagger_urls:
    - url: ${specFile.path}
      enabled: true

output:
  base_dir: $outputDir
  api_dir: ${p.join(outputDir, 'api')}
  models_dir: ${p.join(outputDir, 'api_models')}
  included_tags:
    - samples
  split_by_tags: true

generation:
  preset:
    name: koi_flutter
  api:
    enabled: true
    use_retrofit: true
    cancel_token_support: false
    client:
      class_name: SampleApiClient
      file_name: sample_api_client
    response_wrapper:
      mode: passthrough
      detect_standard_envelope: false
      success_data_field: data
  models:
    enabled: true
    class_prefix: Koi
    default_non_nullable_list_to_empty: true
    json_serializable:
      checked: true
      explicit_to_json: true
      include_if_null: false
formatting:
  run_dart_format: false
''');

      await const KoiSwaggerParser().generate(configPath: configFile.path);

      final apiFile = File(
        p.join(outputDir, 'api', 'v1', 'samples_api.dart'),
      ).readAsStringSync();
      expect(apiFile, contains("@Query('page_no') int pageNo = 1"));
      expect(apiFile, contains("@Query('tag') String? tag"));

      final resultFile = File(
        p.join(outputDir, 'api_models', 'result', 'sample_response.dart'),
      ).readAsStringSync();
      expect(
        resultFile,
        contains('@Default(KoiSampleResponseConflictPolicy.exclusive)'),
      );
    });
  });
}