{"id":16409118,"url":"https://github.com/soumyadip007/spring-rest-jackson-json-data-binding","last_synced_at":"2026-04-13T21:04:35.471Z","repository":{"id":45534257,"uuid":"189004280","full_name":"soumyadip007/Spring-Rest-Jackson-Json-Data-Binding","owner":"soumyadip007","description":"Representational State Transfer is a software architectural style that defines a set of constraints to be used for creating Web services. 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Web services that conform to the REST architectural style, called Rest API, provide interoperability between computer systems on the Internet.We are implementing it with Sping framework with the help of jackson.\n# Microservices\n# spring-rest [![Build Status](https://travis-ci.org/lidderupk/spring-rest.svg?branch=master)](https://travis-ci.org/lidderupk/spring-rest)\n\n## Introduction\nThis project shows different ways to test Spring Boot Application.\n\nLibraries used:\n\n1. spring boot web\n\n2. spring boot test\n\n[See dependency tree.](https://github.com/soumyadip007/Spring-Rest-Jackson-Json-Data-Binding/blob/master/Spring-jackson-databind-json/pom.xml)\n\n## Testing Notes\nThere are multiple ways to test spring applications. See [improvements in Spring Boot 1.4](https://spring.io/blog/2016/04/15/testing-improvements-in-spring-boot-1-4).\n\n### Integration Tests\n- will start the server and load the complete spring context and all the beans.\n\n```\n@RunWith(SpringRunner.class)\n@SpringBootTest(webEnvironment=WebEnvironment.RANDOM_PORT)\npublic class MyTest {\n\n    // will have whatever port tomcat starts on\n    @Value(\"${local.server.port}\")\n    private int port;\n\n    // ...\n\n}\n```\n\n- can use rest-assured to create BDD styled tests\n\n```\n@Before\npublic void setup() {\n    logger.info(\"setting RestAssured port: \" + port);\n    RestAssured.baseURI = \"http://localhost:\" + port;\n}\n\n@Test\npublic void getAllBooksShouldReturnListOfAllBooksWithRestAssured() throws Exception {\n\n    final String expectedTitle = \"The Lightning Thief\";\n\n    Response response = given().\n                        when().\n                            get(baseUrl + getAllBooksURL).\n                         then().\n                            statusCode(HttpServletResponse.SC_OK).\n                            contentType(\"application/json\").extract().response();\n\n    String res = response.asString();\n    jsonPath(res, hasSize(4));\n}\n```\n\n- can use RestTestTemplate in Integration tests\n```\n@RunWith(SpringRunner.class)\n@SpringBootTest(webEnvironment= SpringBootTest.WebEnvironment.RANDOM_PORT)\npublic class HomeRestControllerRestTemplateTest {\n\n...\n\n    @Autowired\n\tprivate TestRestTemplate restTemplate;\n\n...\n\n    @Test\n\tpublic void getAllBooksShouldReturnListOfAllBooks() throws Exception {\n\t\tfinal String expectedTitle = \"The Lightning Thief\";\n\t\t//another way to test\n\t\tResponseEntity\u003cBook[]\u003e responseEntity = restTemplate.getForEntity(baseUrl + getAllBooksURL\n\t\t                                                                    , Book[].class);\n\t\tBook[] books = responseEntity.getBody();\n\t\tList\u003cBook\u003e booksList = Arrays.asList(books);\n\t\tassertThat(booksList.isEmpty(), is(false));\n\t\tassertThat(booksList.size(), is(4));\n\t\tassertThat(booksList.get(0).getTitle(), is(expectedTitle));\n\t}\n\n```\n\n### Unit/Slice Tests\n- Use this to test individual parts of the spring application. @WebMVCTest to test just the controller/service.\n- mockmvc provides methods to fake the http calls. There is no server running in the background. You can check the logs and confirm tomcast is never started.\n\n```\n@RunWith(SpringRunner.class)\n@WebMvcTest(HomeRestController.class)\npublic class HomeRestControllerMockMVCTest {\n    ...\n\n    @Autowired\n    \tprivate MockMvc mockMvc;\n\n    @Test\n    \tpublic void getAllBooksShouldExist() throws Exception{\n    \t\tmockMvc.perform(get(baseUrl+getAllBooksURL).accept(MediaType.APPLICATION_JSON))\n    \t\t.andExpect(status().isOk());\n    \t}\n}\n```\n\n## Notes:\n- Read a resource using appcontext:\n\n```@Autowired\nprivate ApplicationContext appContext;\nResource resource = appContext.getResource(\"classpath:data.json\");\n```\n\n- Use ObjectMapper to convert File/url into json object\n\n```\nObjectMapper mapper = new ObjectMapper();\nBook[] b = mapper.readValue(resource.getFile(), Book[].class);\n```\n# Security Issue\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsoumyadip007%2Fspring-rest-jackson-json-data-binding","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fsoumyadip007%2Fspring-rest-jackson-json-data-binding","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsoumyadip007%2Fspring-rest-jackson-json-data-binding/lists"}