Added curl rust code generator

lib/codegen/codegen.dart

@@ -1,4 +1,4 @@
-import 'package:apidash/codegen/rust/curl-rust.dart';
+import 'package:apidash/codegen/rust/curl_rust.dart';
 import 'package:apidash/models/models.dart' show RequestModel;
 import 'package:apidash/consts.dart';
 import 'package:apidash/utils/utils.dart' show getNewUuid;

lib/codegen/rust/curl-rust.dart

@@ -1,113 +0,0 @@
-import 'dart:convert';
-import 'package:jinja/jinja.dart' as jj;
-import 'package:apidash/utils/utils.dart'
-    show getNewUuid, getValidRequestUri, padMultilineString;
-import 'package:apidash/models/models.dart' show RequestModel;
-import 'package:apidash/consts.dart';
-
-class RustCurlCodeGen {
-  final String kTemplateStart = """use curl::easy::Easy;
-use serde_json::json;
-
-fn main() {
-""";
-
-  String kTemplateUrl = """
-    let mut easy = Easy::new();
-    easy.url("{{url}}").unwrap();
-    """;
-
-  String kTemplateMethod = """easy.{{method}}(true).unwrap();
-  """;
-
-  String kTemplateRawBody =
-      """easy.post_field_copy({{body}}.as_bytes()).unwrap();
-      """;
-
-  String kTemplateJsonBody =
-      """easy.post_fields_copy(json!({{body}}).to_string().as_bytes()).unwrap();
-      """;
-
-  String kTemplateFormData = """
-    let mut form = curl::easy::Form::new();
-    {% for field in fields %}
-    form.part("{{field.name}}")
-        {% if field.type == "file" %}.file("{{field.value}}"){% else %}.contents(b"{{field.value}}"){% endif %}
-        .add();
-    {% endfor %}
-    easy.httppost(form);
-    """;
-
-  String kTemplateHeader = """easy.header("{{header}}", "{{value}}");
-  """;
-
-  final String kTemplateEnd = """easy.perform().unwrap();
-}
-""";
-
-  String? getCode(
-    RequestModel requestModel,
-    String defaultUriScheme,
-  ) {
-    try {
-      String result = "";
-
-      String url = requestModel.url;
-      if (!url.contains("://") && url.isNotEmpty) {
-        url = "$defaultUriScheme://$url";
-      }
-
-      result += kTemplateStart;
-
-      var rec = getValidRequestUri(
-        url,
-        requestModel.enabledRequestParams,
-      );
-
-      Uri? uri = rec.$1;
-
-      if (uri != null) {
-        var templateUrl = jj.Template(kTemplateUrl);
-        result += templateUrl.render({"url": uri.toString()});
-
-        var method = requestModel.method;
-        var templateMethod = jj.Template(kTemplateMethod);
-        result += templateMethod.render({"method": method.name.toLowerCase()});
-
-        var requestBody = requestModel.requestBody;
-        if (kMethodsWithBody.contains(method) && requestBody != null) {
-          if (requestModel.requestBodyContentType == ContentType.text) {
-            var templateRawBody = jj.Template(kTemplateRawBody);
-            result += templateRawBody.render({"body": requestBody});
-          } else if (requestModel.requestBodyContentType == ContentType.json) {
-            var templateJsonBody = jj.Template(kTemplateJsonBody);
-            result += templateJsonBody.render({"body": requestBody});
-          } else if (requestModel.isFormDataRequest) {
-            var templateFormData = jj.Template(kTemplateFormData);
-            result += templateFormData.render({
-              "fields": requestModel.formDataMapList,
-            });
-          }
-        }
-
-        var headersList = requestModel.enabledRequestHeaders;
-        if (headersList != null) {
-          var headers = requestModel.enabledHeadersMap;
-          for (var header in headers.keys) {
-            var templateHeader = jj.Template(kTemplateHeader);
-            result += templateHeader.render({
-              "header": header,
-              "value": headers[header],
-            });
-          }
-        }
-
-        result += kTemplateEnd;
-      }
-
-      return result;
-    } catch (e) {
-      return null;
-    }
-  }
-}

lib/codegen/rust/curl_rust.dart

@@ -0,0 +1,144 @@
+import 'package:jinja/jinja.dart' as jj;
+import 'package:apidash/utils/utils.dart' show getValidRequestUri, requestModelToHARJsonRequest;
+import 'package:apidash/models/models.dart' show RequestModel;
+import 'package:apidash/consts.dart';
+
+class RustCurlCodeGen {
+  final String kTemplateStart = """use curl::easy::Easy;
+{% if hasJsonBody %}use serde_json::json;
+{% endif %}{% if hasHeaders %}use curl::easy::List;
+{% endif %}
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+
+""";
+
+  String kTemplateUrl = """
+  easy.url("{{url}}").unwrap();
+""";
+
+  String kTemplateMethod = """
+{% if method == 'get' or method == 'post' or method == 'put' %}
+  easy.{{ method }}(true).unwrap();
+{% elif method == 'delete' %}
+  easy.custom_request("DELETE").unwrap();
+{% elif method == 'patch' %}
+  easy.custom_request("PATCH").unwrap();
+{% elif method == 'head' %}
+  easy.nobody(true).unwrap();
+{% endif %}
+
+""";
+
+  String kTemplateRawBody ="""
+  easy.post_fields_copy(r#"{{body}}"#.as_bytes()).unwrap();
+
+
+""";
+
+  String kTemplateJsonBody ="""
+  easy.post_fields_copy(json!({{body}}).to_string().as_bytes()).unwrap();
+
+
+""";
+
+  String kTemplateFormData = """
+  let mut form = curl::easy::Form::new();
+  {% for field in fields %}
+  form.part("{{field.name}}")
+    {% if field.type == "file" %}.file("{{field.value}}"){% else %}.contents(b"{{field.value}}"){% endif %}
+    .add();
+  {% endfor %}
+  easy.httppost(form);
+  """;
+
+  String kTemplateHeader = """
+  {% if headers %}let mut list = List::new();{% for header, value in headers %}
+  list.append("{{header}}: {{value}}");{% endfor %}
+  easy.http_headers(list).unwrap();
+  {% endif %}
+
+""";
+
+  final String kTemplateEnd = """
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+
+  String? getCode(RequestModel requestModel) {
+    try {
+      String result = "";
+      var requestBody = requestModel.requestBody;
+
+      String url = requestModel.url;
+
+      result += jj.Template(kTemplateStart).render({
+        "hasJsonBody": requestModel.hasJsonData,
+        "hasHeaders": requestModel.enabledRequestHeaders != null || requestModel.hasBody
+      });
+
+      var rec = getValidRequestUri(
+        url,
+        requestModel.enabledRequestParams,
+      );
+
+      Uri? uri = rec.$1;
+      var harJson =
+          requestModelToHARJsonRequest(requestModel, useEnabled: true);
+
+      var templateUrl = jj.Template(kTemplateUrl);
+      result += templateUrl.render({"url": harJson["url"]});
+
+      var methodTemplate = jj.Template(kTemplateMethod);
+      result += methodTemplate.render({"method": requestModel.method.name});
+
+      if (uri != null) {
+        if (requestModel.hasTextData) {
+          var templateBody = jj.Template(kTemplateRawBody);
+          result += templateBody.render({"body": requestBody});
+        } else if (requestModel.hasJsonData) {
+          var templateBody = jj.Template(kTemplateJsonBody);
+          result += templateBody.render({"body": requestBody});
+        } else if (requestModel.hasFormData) {
+          var templateFormData = jj.Template(kTemplateFormData);
+          result += templateFormData.render({
+            "fields": requestModel.formDataMapList,
+          });
+        }
+
+        var headersList = requestModel.enabledRequestHeaders;
+        if (headersList != null || requestModel.hasBody) {
+          var headers = requestModel.enabledHeadersMap;
+          if (requestModel.hasJsonData || requestModel.hasTextData) {
+            headers.putIfAbsent(kHeaderContentType,
+                () => requestModel.requestBodyContentType.header);
+          }
+          if (headers.isNotEmpty) {
+            var templateHeader = jj.Template(kTemplateHeader);
+            result += templateHeader.render({
+              "headers": headers,
+            });
+          }
+        }
+
+        result += kTemplateEnd;
+      }
+
+      return result;
+    } catch (e) {
+      return null;
+    }
+  }
+}

test/codegen/curl_rust_codegen_test.dart

@@ -0,0 +1,997 @@
+import 'package:apidash/codegen/codegen.dart';
+import 'package:apidash/consts.dart';
+import 'package:test/test.dart';
+import '../request_models.dart';
+
+void main() {
+  final codeGen = Codegen();
+
+  group('GET Request', () {
+    test('GET1', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.apidash.dev").unwrap();
+  easy.get(true).unwrap();
+
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelGet1, "https"),
+          expectedCode);
+    });
+    test('GET2', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.apidash.dev/country/data?code=US").unwrap();
+  easy.get(true).unwrap();
+
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelGet2, "https"),
+          expectedCode);
+    });
+    test('GET3', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.apidash.dev/country/data?code=IND").unwrap();
+  easy.get(true).unwrap();
+
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelGet3, "https"),
+          expectedCode);
+    });
+    test('GET4', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.apidash.dev/humanize/social?num=8700000&digits=3&system=SS&add_space=true&trailing_zeros=true").unwrap();
+  easy.get(true).unwrap();
+
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelGet4, "https"),
+          expectedCode);
+    });
+    test('GET5', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+use curl::easy::List;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.github.com/repos/foss42/apidash").unwrap();
+  easy.get(true).unwrap();
+
+  let mut list = List::new();
+  list.append("User-Agent: Test Agent");
+  easy.http_headers(list).unwrap();
+  
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelGet5, "https"),
+          expectedCode);
+    });
+    test('GET6', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+use curl::easy::List;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.github.com/repos/foss42/apidash?raw=true").unwrap();
+  easy.get(true).unwrap();
+
+  let mut list = List::new();
+  list.append("User-Agent: Test Agent");
+  easy.http_headers(list).unwrap();
+  
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelGet6, "https"),
+          expectedCode);
+    });
+    test('GET7', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.apidash.dev").unwrap();
+  easy.get(true).unwrap();
+
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelGet7, "https"),
+          expectedCode);
+    });
+    test('GET8', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+use curl::easy::List;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.github.com/repos/foss42/apidash?raw=true").unwrap();
+  easy.get(true).unwrap();
+
+  let mut list = List::new();
+  list.append("User-Agent: Test Agent");
+  easy.http_headers(list).unwrap();
+  
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelGet8, "https"),
+          expectedCode);
+    });
+    test('GET9', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.apidash.dev/humanize/social?num=8700000&add_space=true").unwrap();
+  easy.get(true).unwrap();
+
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelGet9, "https"),
+          expectedCode);
+    });
+    test('GET10', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+use curl::easy::List;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.apidash.dev/humanize/social").unwrap();
+  easy.get(true).unwrap();
+
+  let mut list = List::new();
+  list.append("User-Agent: Test Agent");
+  easy.http_headers(list).unwrap();
+  
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelGet10, "https"),
+          expectedCode);
+    });
+    test('GET11', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+use curl::easy::List;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.apidash.dev/humanize/social?num=8700000&digits=3").unwrap();
+  easy.get(true).unwrap();
+
+  let mut list = List::new();
+  list.append("User-Agent: Test Agent");
+  easy.http_headers(list).unwrap();
+  
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelGet11, "https"),
+          expectedCode);
+    });
+    test('GET12', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+use curl::easy::List;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.apidash.dev/humanize/social").unwrap();
+  easy.get(true).unwrap();
+
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelGet12, "https"),
+          expectedCode);
+    });
+  });
+
+  group('HEAD Request', () {
+    test('HEAD1', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.apidash.dev").unwrap();
+  easy.nobody(true).unwrap();
+
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelHead1, "https"),
+          expectedCode);
+    });
+    test('HEAD2', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.apidash.dev").unwrap();
+  easy.nobody(true).unwrap();
+
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelHead2, "https"),
+          expectedCode);
+    });
+  });
+
+  group('POST Request', () {
+    test('POST1', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+use curl::easy::List;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.apidash.dev/case/lower").unwrap();
+  easy.post(true).unwrap();
+
+  easy.post_fields_copy(r#"{
+"text": "I LOVE Flutter"
+}"#.as_bytes()).unwrap();
+
+  let mut list = List::new();
+  list.append("Content-Type: text/plain");
+  easy.http_headers(list).unwrap();
+  
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelPost1, "https"),
+          expectedCode);
+    });
+    test('POST2', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+use serde_json::json;
+use curl::easy::List;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.apidash.dev/case/lower").unwrap();
+  easy.post(true).unwrap();
+
+  easy.post_fields_copy(json!({
+"text": "I LOVE Flutter",
+"flag": null,
+"male": true,
+"female": false,
+"no": 1.2,
+"arr": ["null", "true", "false", null]
+}).to_string().as_bytes()).unwrap();
+
+  let mut list = List::new();
+  list.append("Content-Type: application/json");
+  easy.http_headers(list).unwrap();
+  
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelPost2, "https"),
+          expectedCode);
+    });
+    test('POST3', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+use serde_json::json;
+use curl::easy::List;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.apidash.dev/case/lower").unwrap();
+  easy.post(true).unwrap();
+
+  easy.post_fields_copy(json!({
+"text": "I LOVE Flutter"
+}).to_string().as_bytes()).unwrap();
+
+  let mut list = List::new();
+  list.append("User-Agent: Test Agent");
+  list.append("Content-Type: application/json");
+  easy.http_headers(list).unwrap();
+  
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelPost3, "https"),
+          expectedCode);
+    });
+    test('POST4', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+use curl::easy::List;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.apidash.dev/io/form").unwrap();
+  easy.post(true).unwrap();
+
+  let mut form = curl::easy::Form::new();
+  
+  form.part("text")
+    .contents(b"API")
+    .add();
+  
+  form.part("sep")
+    .contents(b"|")
+    .add();
+  
+  form.part("times")
+    .contents(b"3")
+    .add();
+  
+  easy.httppost(form);
+    {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelPost4, "https"),
+          expectedCode);
+    });
+    test('POST5', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+use curl::easy::List;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.apidash.dev/io/form").unwrap();
+  easy.post(true).unwrap();
+
+  let mut form = curl::easy::Form::new();
+  
+  form.part("text")
+    .contents(b"API")
+    .add();
+  
+  form.part("sep")
+    .contents(b"|")
+    .add();
+  
+  form.part("times")
+    .contents(b"3")
+    .add();
+  
+  easy.httppost(form);
+    let mut list = List::new();
+  list.append("User-Agent: Test Agent");
+  easy.http_headers(list).unwrap();
+  
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelPost5, "https"),
+          expectedCode);
+    });
+    test('POST6', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+use curl::easy::List;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.apidash.dev/io/img").unwrap();
+  easy.post(true).unwrap();
+
+  let mut form = curl::easy::Form::new();
+  
+  form.part("token")
+    .contents(b"xyz")
+    .add();
+  
+  form.part("imfile")
+    .file("/Documents/up/1.png")
+    .add();
+  
+  easy.httppost(form);
+    {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelPost6, "https"),
+          expectedCode);
+    });
+    test('POST7', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+use curl::easy::List;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.apidash.dev/io/img").unwrap();
+  easy.post(true).unwrap();
+
+  let mut form = curl::easy::Form::new();
+  
+  form.part("token")
+    .contents(b"xyz")
+    .add();
+  
+  form.part("imfile")
+    .file("/Documents/up/1.png")
+    .add();
+  
+  easy.httppost(form);
+    {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelPost7, "https"),
+          expectedCode);
+    });
+    test('POST8', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+use curl::easy::List;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.apidash.dev/io/form?size=2&len=3").unwrap();
+  easy.post(true).unwrap();
+
+  let mut form = curl::easy::Form::new();
+  
+  form.part("text")
+    .contents(b"API")
+    .add();
+  
+  form.part("sep")
+    .contents(b"|")
+    .add();
+  
+  form.part("times")
+    .contents(b"3")
+    .add();
+  
+  easy.httppost(form);
+    {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelPost8, "https"),
+          expectedCode);
+    });
+    test('POST9', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+use curl::easy::List;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://api.apidash.dev/io/img?size=2&len=3").unwrap();
+  easy.post(true).unwrap();
+
+  let mut form = curl::easy::Form::new();
+  
+  form.part("token")
+    .contents(b"xyz")
+    .add();
+  
+  form.part("imfile")
+    .file("/Documents/up/1.png")
+    .add();
+  
+  easy.httppost(form);
+    let mut list = List::new();
+  list.append("User-Agent: Test Agent");
+  list.append("Keep-Alive: true");
+  easy.http_headers(list).unwrap();
+  
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelPost9, "https"),
+          expectedCode);
+    });
+  });
+
+  group('PUT Request', () {
+    test('PUT1', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+use serde_json::json;
+use curl::easy::List;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://reqres.in/api/users/2").unwrap();
+  easy.put(true).unwrap();
+
+  easy.post_fields_copy(json!({
+"name": "morpheus",
+"job": "zion resident"
+}).to_string().as_bytes()).unwrap();
+
+  let mut list = List::new();
+  list.append("Content-Type: application/json");
+  easy.http_headers(list).unwrap();
+  
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelPut1, "https"),
+          expectedCode);
+    });
+  });
+
+  group('PATCH Request', () {
+    test('PATCH1', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+use serde_json::json;
+use curl::easy::List;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://reqres.in/api/users/2").unwrap();
+  easy.custom_request("PATCH").unwrap();
+
+  easy.post_fields_copy(json!({
+"name": "marfeus",
+"job": "accountant"
+}).to_string().as_bytes()).unwrap();
+
+  let mut list = List::new();
+  list.append("Content-Type: application/json");
+  easy.http_headers(list).unwrap();
+  
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelPatch1, "https"),
+          expectedCode);
+    });
+  });
+
+  group('DELETE Request', () {
+    test('DELETE1', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://reqres.in/api/users/2").unwrap();
+  easy.custom_request("DELETE").unwrap();
+
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelDelete1, "https"),
+          expectedCode);
+    });
+    test('DELETE2', () {
+      const expectedCode = r"""
+use curl::easy::Easy;
+use serde_json::json;
+use curl::easy::List;
+
+fn main() {
+  let mut easy = Easy::new();
+  let mut data = Vec::new();
+  easy.url("https://reqres.in/api/users/2").unwrap();
+  easy.custom_request("DELETE").unwrap();
+
+  easy.post_fields_copy(json!({
+"name": "marfeus",
+"job": "accountant"
+}).to_string().as_bytes()).unwrap();
+
+  let mut list = List::new();
+  list.append("Content-Type: application/json");
+  easy.http_headers(list).unwrap();
+  
+  {
+    let mut transfer = easy.transfer();
+    transfer.write_function(|new_data| {
+        data.extend_from_slice(new_data);
+        Ok(new_data.len())
+    }).unwrap();
+    transfer.perform().unwrap();
+  }
+
+  let response_body = String::from_utf8_lossy(&data);
+
+  println!("Response body:{}", response_body);
+  println!("Response code: {}", easy.response_code().unwrap());
+}""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.rustCurl, requestModelDelete2, "https"),
+          expectedCode);
+    });
+  });
+
+}