diff --git a/test/codegen/js_fetch_codegen_test.dart b/test/codegen/js_fetch_codegen_test.dart
index 4f070142..c6863709 100644
--- a/test/codegen/js_fetch_codegen_test.dart
+++ b/test/codegen/js_fetch_codegen_test.dart
@@ -8,26 +8,23 @@ void main() {
 
   group('GET Request', () {
     test('GET 1', () {
-      const expectedCode = r"""let url = 'https://api.apidash.dev';
+      const expectedCode = r"""const url = 'https://api.apidash.dev';
 
-let options = {
+const options = {
   method: 'GET'
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(CodegenLanguage.jsFetch, requestModelGet1, "https"),
@@ -36,26 +33,23 @@ fetch(url, options)
 
     test('GET 2', () {
       const expectedCode =
-          r"""let url = 'https://api.apidash.dev/country/data?code=US';
+          r"""const url = 'https://api.apidash.dev/country/data?code=US';
 
-let options = {
+const options = {
   method: 'GET'
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(CodegenLanguage.jsFetch, requestModelGet2, "https"),
@@ -64,26 +58,23 @@ fetch(url, options)
 
     test('GET 3', () {
       const expectedCode =
-          r"""let url = 'https://api.apidash.dev/country/data?code=IND';
+          r"""const url = 'https://api.apidash.dev/country/data?code=IND';
 
-let options = {
+const options = {
   method: 'GET'
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(CodegenLanguage.jsFetch, requestModelGet3, "https"),
@@ -92,26 +83,23 @@ fetch(url, options)
 
     test('GET 4', () {
       const expectedCode =
-          r"""let url = 'https://api.apidash.dev/humanize/social?num=8700000&digits=3&system=SS&add_space=true&trailing_zeros=true';
+          r"""const url = 'https://api.apidash.dev/humanize/social?num=8700000&digits=3&system=SS&add_space=true&trailing_zeros=true';
 
-let options = {
+const options = {
   method: 'GET'
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(CodegenLanguage.jsFetch, requestModelGet4, "https"),
@@ -120,29 +108,26 @@ fetch(url, options)
 
     test('GET 5', () {
       const expectedCode =
-          r"""let url = 'https://api.github.com/repos/foss42/apidash';
+          r"""const url = 'https://api.github.com/repos/foss42/apidash';
 
-let options = {
+const options = {
   method: 'GET',
   headers: {
     "User-Agent": "Test Agent"
   }
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(CodegenLanguage.jsFetch, requestModelGet5, "https"),
@@ -151,29 +136,26 @@ fetch(url, options)
 
     test('GET 6', () {
       const expectedCode =
-          r"""let url = 'https://api.github.com/repos/foss42/apidash?raw=true';
+          r"""const url = 'https://api.github.com/repos/foss42/apidash?raw=true';
 
-let options = {
+const options = {
   method: 'GET',
   headers: {
     "User-Agent": "Test Agent"
   }
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(CodegenLanguage.jsFetch, requestModelGet6, "https"),
@@ -181,26 +163,23 @@ fetch(url, options)
     });
 
     test('GET 7', () {
-      const expectedCode = r"""let url = 'https://api.apidash.dev';
+      const expectedCode = r"""const url = 'https://api.apidash.dev';
 
-let options = {
+const options = {
   method: 'GET'
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(CodegenLanguage.jsFetch, requestModelGet7, "https"),
@@ -209,29 +188,26 @@ fetch(url, options)
 
     test('GET 8', () {
       const expectedCode =
-          r"""let url = 'https://api.github.com/repos/foss42/apidash?raw=true';
+          r"""const url = 'https://api.github.com/repos/foss42/apidash?raw=true';
 
-let options = {
+const options = {
   method: 'GET',
   headers: {
     "User-Agent": "Test Agent"
   }
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(CodegenLanguage.jsFetch, requestModelGet8, "https"),
@@ -240,26 +216,23 @@ fetch(url, options)
 
     test('GET 9', () {
       const expectedCode =
-          r"""let url = 'https://api.apidash.dev/humanize/social?num=8700000&add_space=true';
+          r"""const url = 'https://api.apidash.dev/humanize/social?num=8700000&add_space=true';
 
-let options = {
+const options = {
   method: 'GET'
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(CodegenLanguage.jsFetch, requestModelGet9, "https"),
@@ -268,29 +241,26 @@ fetch(url, options)
 
     test('GET 10', () {
       const expectedCode =
-          r"""let url = 'https://api.apidash.dev/humanize/social';
+          r"""const url = 'https://api.apidash.dev/humanize/social';
 
-let options = {
+const options = {
   method: 'GET',
   headers: {
     "User-Agent": "Test Agent"
   }
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
@@ -303,29 +273,26 @@ fetch(url, options)
 
     test('GET 11', () {
       const expectedCode =
-          r"""let url = 'https://api.apidash.dev/humanize/social?num=8700000&digits=3';
+          r"""const url = 'https://api.apidash.dev/humanize/social?num=8700000&digits=3';
 
-let options = {
+const options = {
   method: 'GET',
   headers: {
     "User-Agent": "Test Agent"
   }
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(CodegenLanguage.jsFetch, requestModelGet11, "https"),
@@ -334,26 +301,23 @@ fetch(url, options)
 
     test('GET 12', () {
       const expectedCode =
-          r"""let url = 'https://api.apidash.dev/humanize/social';
+          r"""const url = 'https://api.apidash.dev/humanize/social';
 
-let options = {
+const options = {
   method: 'GET'
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(CodegenLanguage.jsFetch, requestModelGet12, "https"),
@@ -363,26 +327,23 @@ fetch(url, options)
 
   group('HEAD Request', () {
     test('HEAD 1', () {
-      const expectedCode = r"""let url = 'https://api.apidash.dev';
+      const expectedCode = r"""const url = 'https://api.apidash.dev';
 
-let options = {
+const options = {
   method: 'HEAD'
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(CodegenLanguage.jsFetch, requestModelHead1, "https"),
@@ -390,26 +351,23 @@ fetch(url, options)
     });
 
     test('HEAD 2', () {
-      const expectedCode = r"""let url = 'http://api.apidash.dev';
+      const expectedCode = r"""const url = 'http://api.apidash.dev';
 
-let options = {
+const options = {
   method: 'HEAD'
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(CodegenLanguage.jsFetch, requestModelHead2, "http"),
@@ -419,31 +377,27 @@ fetch(url, options)
 
   group('POST Request', () {
     test('POST 1', () {
-      const expectedCode = r"""let url = 'https://api.apidash.dev/case/lower';
+      const expectedCode = r"""const url = 'https://api.apidash.dev/case/lower';
 
-let options = {
+const options = {
   method: 'POST',
   headers: {
     "Content-Type": "text/plain"
   },
-  body: 
-"{\n\"text\": \"I LOVE Flutter\"\n}"
+  body: "{\n\"text\": \"I LOVE Flutter\"\n}"
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(CodegenLanguage.jsFetch, requestModelPost1, "https"),
@@ -451,31 +405,27 @@ fetch(url, options)
     });
 
     test('POST 2', () {
-      const expectedCode = r"""let url = 'https://api.apidash.dev/case/lower';
+      const expectedCode = r"""const url = 'https://api.apidash.dev/case/lower';
 
-let options = {
+const options = {
   method: 'POST',
   headers: {
     "Content-Type": "application/json"
   },
-  body: 
-"{\n\"text\": \"I LOVE Flutter\",\n\"flag\": null,\n\"male\": true,\n\"female\": false,\n\"no\": 1.2,\n\"arr\": [\"null\", \"true\", \"false\", null]\n}"
+  body: "{\n\"text\": \"I LOVE Flutter\",\n\"flag\": null,\n\"male\": true,\n\"female\": false,\n\"no\": 1.2,\n\"arr\": [\"null\", \"true\", \"false\", null]\n}"
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(CodegenLanguage.jsFetch, requestModelPost2, "https"),
@@ -483,66 +433,279 @@ fetch(url, options)
     });
 
     test('POST 3', () {
-      const expectedCode = r"""let url = 'https://api.apidash.dev/case/lower';
+      const expectedCode = r"""const url = 'https://api.apidash.dev/case/lower';
 
-let options = {
+const options = {
   method: 'POST',
   headers: {
     "Content-Type": "application/json",
     "User-Agent": "Test Agent"
   },
-  body: 
-"{\n\"text\": \"I LOVE Flutter\"\n}"
+  body: "{\n\"text\": \"I LOVE Flutter\"\n}"
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(CodegenLanguage.jsFetch, requestModelPost3, "https"),
           expectedCode);
     });
+    test('POST 4', () {
+      const expectedCode =
+          r"""// refer https://github.com/foss42/apidash/issues/293#issuecomment-1995208098 for details regarding integration
+
+const payload = new FormData();
+payload.append("text", "API")
+payload.append("sep", "|")
+payload.append("times", "3")
+
+const url = 'https://api.apidash.dev/io/form';
+
+const options = {
+  method: 'POST',
+  body: payload
+};
+
+fetch(url, options)
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
+""";
+      expect(
+          codeGen.getCode(
+            CodegenLanguage.jsFetch,
+            requestModelPost4,
+            "https",
+          ),
+          expectedCode);
+    });
+
+    test('POST 5', () {
+      const expectedCode =
+          r"""// refer https://github.com/foss42/apidash/issues/293#issuecomment-1995208098 for details regarding integration
+
+const payload = new FormData();
+payload.append("text", "API")
+payload.append("sep", "|")
+payload.append("times", "3")
+
+const url = 'https://api.apidash.dev/io/form';
+
+const options = {
+  method: 'POST',
+  headers: {
+    "User-Agent": "Test Agent"
+  },
+  body: payload
+};
+
+fetch(url, options)
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
+""";
+      expect(
+          codeGen.getCode(
+            CodegenLanguage.jsFetch,
+            requestModelPost5,
+            "https",
+          ),
+          expectedCode);
+    });
+    test('POST 6', () {
+      const expectedCode =
+          r"""// refer https://github.com/foss42/apidash/issues/293#issuecomment-1995208098 for details regarding integration
+
+const payload = new FormData();
+payload.append("token", "xyz")
+payload.append("imfile", fileInput1.files[0])
+
+const url = 'https://api.apidash.dev/io/img';
+
+const options = {
+  method: 'POST',
+  body: payload
+};
+
+fetch(url, options)
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
+""";
+      expect(
+          codeGen.getCode(
+            CodegenLanguage.jsFetch,
+            requestModelPost6,
+            "https",
+          ),
+          expectedCode);
+    });
+    test('POST 7', () {
+      const expectedCode =
+          r"""// refer https://github.com/foss42/apidash/issues/293#issuecomment-1995208098 for details regarding integration
+
+const payload = new FormData();
+payload.append("token", "xyz")
+payload.append("imfile", fileInput1.files[0])
+
+const url = 'https://api.apidash.dev/io/img';
+
+const options = {
+  method: 'POST',
+  body: payload
+};
+
+fetch(url, options)
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
+""";
+      expect(
+          codeGen.getCode(
+            CodegenLanguage.jsFetch,
+            requestModelPost7,
+            "https",
+          ),
+          expectedCode);
+    });
+    test('POST 8', () {
+      const expectedCode =
+          r"""// refer https://github.com/foss42/apidash/issues/293#issuecomment-1995208098 for details regarding integration
+
+const payload = new FormData();
+payload.append("text", "API")
+payload.append("sep", "|")
+payload.append("times", "3")
+
+const url = 'https://api.apidash.dev/io/form?size=2&len=3';
+
+const options = {
+  method: 'POST',
+  body: payload
+};
+
+fetch(url, options)
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
+""";
+      expect(
+          codeGen.getCode(
+            CodegenLanguage.jsFetch,
+            requestModelPost8,
+            "https",
+          ),
+          expectedCode);
+    });
+    test('POST 9', () {
+      const expectedCode =
+          r"""// refer https://github.com/foss42/apidash/issues/293#issuecomment-1995208098 for details regarding integration
+
+const payload = new FormData();
+payload.append("token", "xyz")
+payload.append("imfile", fileInput1.files[0])
+
+const url = 'https://api.apidash.dev/io/img?size=2&len=3';
+
+const options = {
+  method: 'POST',
+  headers: {
+    "User-Agent": "Test Agent",
+    "Keep-Alive": "true"
+  },
+  body: payload
+};
+
+fetch(url, options)
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
+""";
+      expect(
+          codeGen.getCode(
+            CodegenLanguage.jsFetch,
+            requestModelPost9,
+            "https",
+          ),
+          expectedCode);
+    });
   });
 
   group('PUT Request', () {
     test('PUT 1', () {
-      const expectedCode = r"""let url = 'https://reqres.in/api/users/2';
+      const expectedCode = r"""const url = 'https://reqres.in/api/users/2';
 
-let options = {
+const options = {
   method: 'PUT',
   headers: {
     "Content-Type": "application/json"
   },
-  body: 
-"{\n\"name\": \"morpheus\",\n\"job\": \"zion resident\"\n}"
+  body: "{\n\"name\": \"morpheus\",\n\"job\": \"zion resident\"\n}"
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(CodegenLanguage.jsFetch, requestModelPut1, "https"),
@@ -552,31 +715,27 @@ fetch(url, options)
 
   group('PATCH Request', () {
     test('PATCH 1', () {
-      const expectedCode = r"""let url = 'https://reqres.in/api/users/2';
+      const expectedCode = r"""const url = 'https://reqres.in/api/users/2';
 
-let options = {
+const options = {
   method: 'PATCH',
   headers: {
     "Content-Type": "application/json"
   },
-  body: 
-"{\n\"name\": \"marfeus\",\n\"job\": \"accountant\"\n}"
+  body: "{\n\"name\": \"marfeus\",\n\"job\": \"accountant\"\n}"
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(CodegenLanguage.jsFetch, requestModelPatch1, "https"),
@@ -586,26 +745,23 @@ fetch(url, options)
 
   group('DELETE Request', () {
     test('DELETE 1', () {
-      const expectedCode = r"""let url = 'https://reqres.in/api/users/2';
+      const expectedCode = r"""const url = 'https://reqres.in/api/users/2';
 
-let options = {
+const options = {
   method: 'DELETE'
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
@@ -614,31 +770,27 @@ fetch(url, options)
     });
 
     test('DELETE 2', () {
-      const expectedCode = r"""let url = 'https://reqres.in/api/users/2';
+      const expectedCode = r"""const url = 'https://reqres.in/api/users/2';
 
-let options = {
+const options = {
   method: 'DELETE',
   headers: {
     "Content-Type": "application/json"
   },
-  body: 
-"{\n\"name\": \"marfeus\",\n\"job\": \"accountant\"\n}"
+  body: "{\n\"name\": \"marfeus\",\n\"job\": \"accountant\"\n}"
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
diff --git a/test/codegen/nodejs_fetch_codegen_test.dart b/test/codegen/nodejs_fetch_codegen_test.dart
index 831fd2e0..4b81bae0 100644
--- a/test/codegen/nodejs_fetch_codegen_test.dart
+++ b/test/codegen/nodejs_fetch_codegen_test.dart
@@ -8,28 +8,25 @@ void main() {
 
   group('GET Request', () {
     test('GET 1', () {
-      const expectedCode = r"""import fetch from 'node-fetch';
+      const expectedCode = r"""import fetch from 'node-fetch'
 
-let url = 'https://api.apidash.dev';
+const url = 'https://api.apidash.dev';
 
-let options = {
+const options = {
   method: 'GET'
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
@@ -38,28 +35,25 @@ fetch(url, options)
     });
 
     test('GET 2', () {
-      const expectedCode = r"""import fetch from 'node-fetch';
+      const expectedCode = r"""import fetch from 'node-fetch'
 
-let url = 'https://api.apidash.dev/country/data?code=US';
+const url = 'https://api.apidash.dev/country/data?code=US';
 
-let options = {
+const options = {
   method: 'GET'
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
@@ -68,28 +62,25 @@ fetch(url, options)
     });
 
     test('GET 3', () {
-      const expectedCode = r"""import fetch from 'node-fetch';
+      const expectedCode = r"""import fetch from 'node-fetch'
 
-let url = 'https://api.apidash.dev/country/data?code=IND';
+const url = 'https://api.apidash.dev/country/data?code=IND';
 
-let options = {
+const options = {
   method: 'GET'
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
@@ -98,28 +89,25 @@ fetch(url, options)
     });
 
     test('GET 4', () {
-      const expectedCode = r"""import fetch from 'node-fetch';
+      const expectedCode = r"""import fetch from 'node-fetch'
 
-let url = 'https://api.apidash.dev/humanize/social?num=8700000&digits=3&system=SS&add_space=true&trailing_zeros=true';
+const url = 'https://api.apidash.dev/humanize/social?num=8700000&digits=3&system=SS&add_space=true&trailing_zeros=true';
 
-let options = {
+const options = {
   method: 'GET'
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
@@ -128,31 +116,28 @@ fetch(url, options)
     });
 
     test('GET 5', () {
-      const expectedCode = r"""import fetch from 'node-fetch';
+      const expectedCode = r"""import fetch from 'node-fetch'
 
-let url = 'https://api.github.com/repos/foss42/apidash';
+const url = 'https://api.github.com/repos/foss42/apidash';
 
-let options = {
+const options = {
   method: 'GET',
   headers: {
     "User-Agent": "Test Agent"
   }
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
@@ -161,31 +146,28 @@ fetch(url, options)
     });
 
     test('GET 6', () {
-      const expectedCode = r"""import fetch from 'node-fetch';
+      const expectedCode = r"""import fetch from 'node-fetch'
 
-let url = 'https://api.github.com/repos/foss42/apidash?raw=true';
+const url = 'https://api.github.com/repos/foss42/apidash?raw=true';
 
-let options = {
+const options = {
   method: 'GET',
   headers: {
     "User-Agent": "Test Agent"
   }
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
@@ -194,28 +176,25 @@ fetch(url, options)
     });
 
     test('GET 7', () {
-      const expectedCode = r"""import fetch from 'node-fetch';
+      const expectedCode = r"""import fetch from 'node-fetch'
 
-let url = 'https://api.apidash.dev';
+const url = 'https://api.apidash.dev';
 
-let options = {
+const options = {
   method: 'GET'
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
@@ -224,31 +203,28 @@ fetch(url, options)
     });
 
     test('GET 8', () {
-      const expectedCode = r"""import fetch from 'node-fetch';
+      const expectedCode = r"""import fetch from 'node-fetch'
 
-let url = 'https://api.github.com/repos/foss42/apidash?raw=true';
+const url = 'https://api.github.com/repos/foss42/apidash?raw=true';
 
-let options = {
+const options = {
   method: 'GET',
   headers: {
     "User-Agent": "Test Agent"
   }
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
@@ -257,28 +233,25 @@ fetch(url, options)
     });
 
     test('GET 9', () {
-      const expectedCode = r"""import fetch from 'node-fetch';
+      const expectedCode = r"""import fetch from 'node-fetch'
 
-let url = 'https://api.apidash.dev/humanize/social?num=8700000&add_space=true';
+const url = 'https://api.apidash.dev/humanize/social?num=8700000&add_space=true';
 
-let options = {
+const options = {
   method: 'GET'
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
@@ -287,31 +260,28 @@ fetch(url, options)
     });
 
     test('GET 10', () {
-      const expectedCode = r"""import fetch from 'node-fetch';
+      const expectedCode = r"""import fetch from 'node-fetch'
 
-let url = 'https://api.apidash.dev/humanize/social';
+const url = 'https://api.apidash.dev/humanize/social';
 
-let options = {
+const options = {
   method: 'GET',
   headers: {
     "User-Agent": "Test Agent"
   }
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
@@ -323,31 +293,28 @@ fetch(url, options)
     });
 
     test('GET 11', () {
-      const expectedCode = r"""import fetch from 'node-fetch';
+      const expectedCode = r"""import fetch from 'node-fetch'
 
-let url = 'https://api.apidash.dev/humanize/social?num=8700000&digits=3';
+const url = 'https://api.apidash.dev/humanize/social?num=8700000&digits=3';
 
-let options = {
+const options = {
   method: 'GET',
   headers: {
     "User-Agent": "Test Agent"
   }
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
@@ -356,28 +323,25 @@ fetch(url, options)
     });
 
     test('GET 12', () {
-      const expectedCode = r"""import fetch from 'node-fetch';
+      const expectedCode = r"""import fetch from 'node-fetch'
 
-let url = 'https://api.apidash.dev/humanize/social';
+const url = 'https://api.apidash.dev/humanize/social';
 
-let options = {
+const options = {
   method: 'GET'
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
@@ -388,28 +352,25 @@ fetch(url, options)
 
   group('HEAD Request', () {
     test('HEAD 1', () {
-      const expectedCode = r"""import fetch from 'node-fetch';
+      const expectedCode = r"""import fetch from 'node-fetch'
 
-let url = 'https://api.apidash.dev';
+const url = 'https://api.apidash.dev';
 
-let options = {
+const options = {
   method: 'HEAD'
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
@@ -418,28 +379,25 @@ fetch(url, options)
     });
 
     test('HEAD 2', () {
-      const expectedCode = r"""import fetch from 'node-fetch';
+      const expectedCode = r"""import fetch from 'node-fetch'
 
-let url = 'http://api.apidash.dev';
+const url = 'http://api.apidash.dev';
 
-let options = {
+const options = {
   method: 'HEAD'
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
@@ -450,33 +408,29 @@ fetch(url, options)
 
   group('POST Request', () {
     test('POST 1', () {
-      const expectedCode = r"""import fetch from 'node-fetch';
+      const expectedCode = r"""import fetch from 'node-fetch'
 
-let url = 'https://api.apidash.dev/case/lower';
+const url = 'https://api.apidash.dev/case/lower';
 
-let options = {
+const options = {
   method: 'POST',
   headers: {
     "Content-Type": "text/plain"
   },
-  body: 
-"{\n\"text\": \"I LOVE Flutter\"\n}"
+  body: "{\n\"text\": \"I LOVE Flutter\"\n}"
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
@@ -485,33 +439,29 @@ fetch(url, options)
     });
 
     test('POST 2', () {
-      const expectedCode = r"""import fetch from 'node-fetch';
+      const expectedCode = r"""import fetch from 'node-fetch'
 
-let url = 'https://api.apidash.dev/case/lower';
+const url = 'https://api.apidash.dev/case/lower';
 
-let options = {
+const options = {
   method: 'POST',
   headers: {
     "Content-Type": "application/json"
   },
-  body: 
-"{\n\"text\": \"I LOVE Flutter\",\n\"flag\": null,\n\"male\": true,\n\"female\": false,\n\"no\": 1.2,\n\"arr\": [\"null\", \"true\", \"false\", null]\n}"
+  body: "{\n\"text\": \"I LOVE Flutter\",\n\"flag\": null,\n\"male\": true,\n\"female\": false,\n\"no\": 1.2,\n\"arr\": [\"null\", \"true\", \"false\", null]\n}"
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
@@ -520,71 +470,272 @@ fetch(url, options)
     });
 
     test('POST 3', () {
-      const expectedCode = r"""import fetch from 'node-fetch';
+      const expectedCode = r"""import fetch from 'node-fetch'
 
-let url = 'https://api.apidash.dev/case/lower';
+const url = 'https://api.apidash.dev/case/lower';
 
-let options = {
+const options = {
   method: 'POST',
   headers: {
     "Content-Type": "application/json",
     "User-Agent": "Test Agent"
   },
-  body: 
-"{\n\"text\": \"I LOVE Flutter\"\n}"
+  body: "{\n\"text\": \"I LOVE Flutter\"\n}"
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
               CodegenLanguage.nodejsFetch, requestModelPost3, "https"),
           expectedCode);
     });
+    test('POST 4', () {
+      const expectedCode = r"""import fetch from 'node-fetch'
+import { fileFromSync, FormData } from 'node-fetch'
+
+const payload = new FormData();
+payload.append("text", "API")
+payload.append("sep", "|")
+payload.append("times", "3")
+
+const url = 'https://api.apidash.dev/io/form';
+
+const options = {
+  method: 'POST',
+  body: payload
+};
+
+fetch(url, options)
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
+""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.nodejsFetch, requestModelPost4, "https",
+              boundary: "test"),
+          expectedCode);
+    });
+
+    test('POST 5', () {
+      const expectedCode = r"""import fetch from 'node-fetch'
+import { fileFromSync, FormData } from 'node-fetch'
+
+const payload = new FormData();
+payload.append("text", "API")
+payload.append("sep", "|")
+payload.append("times", "3")
+
+const url = 'https://api.apidash.dev/io/form';
+
+const options = {
+  method: 'POST',
+  headers: {
+    "User-Agent": "Test Agent"
+  },
+  body: payload
+};
+
+fetch(url, options)
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
+""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.nodejsFetch, requestModelPost5, "https",
+              boundary: "test"),
+          expectedCode);
+    });
+    test('POST 6', () {
+      const expectedCode = r"""import fetch from 'node-fetch'
+import { fileFromSync, FormData } from 'node-fetch'
+
+const payload = new FormData();
+payload.append("token", "xyz")
+payload.append("imfile", fileFromSync("/Documents/up/1.png"))
+
+const url = 'https://api.apidash.dev/io/img';
+
+const options = {
+  method: 'POST',
+  body: payload
+};
+
+fetch(url, options)
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
+""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.nodejsFetch, requestModelPost6, "https",
+              boundary: "test"),
+          expectedCode);
+    });
+    test('POST 7', () {
+      const expectedCode = r"""import fetch from 'node-fetch'
+import { fileFromSync, FormData } from 'node-fetch'
+
+const payload = new FormData();
+payload.append("token", "xyz")
+payload.append("imfile", fileFromSync("/Documents/up/1.png"))
+
+const url = 'https://api.apidash.dev/io/img';
+
+const options = {
+  method: 'POST',
+  body: payload
+};
+
+fetch(url, options)
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
+""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.nodejsFetch, requestModelPost7, "https",
+              boundary: "test"),
+          expectedCode);
+    });
+    test('POST 8', () {
+      const expectedCode = r"""import fetch from 'node-fetch'
+import { fileFromSync, FormData } from 'node-fetch'
+
+const payload = new FormData();
+payload.append("text", "API")
+payload.append("sep", "|")
+payload.append("times", "3")
+
+const url = 'https://api.apidash.dev/io/form?size=2&len=3';
+
+const options = {
+  method: 'POST',
+  body: payload
+};
+
+fetch(url, options)
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
+""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.nodejsFetch, requestModelPost8, "https",
+              boundary: "test"),
+          expectedCode);
+    });
+    test('POST 9', () {
+      const expectedCode = r"""import fetch from 'node-fetch'
+import { fileFromSync, FormData } from 'node-fetch'
+
+const payload = new FormData();
+payload.append("token", "xyz")
+payload.append("imfile", fileFromSync("/Documents/up/1.png"))
+
+const url = 'https://api.apidash.dev/io/img?size=2&len=3';
+
+const options = {
+  method: 'POST',
+  headers: {
+    "User-Agent": "Test Agent",
+    "Keep-Alive": "true"
+  },
+  body: payload
+};
+
+fetch(url, options)
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
+""";
+      expect(
+          codeGen.getCode(
+              CodegenLanguage.nodejsFetch, requestModelPost9, "https",
+              boundary: "test"),
+          expectedCode);
+    });
   });
 
   group('PUT Request', () {
     test('PUT 1', () {
-      const expectedCode = r"""import fetch from 'node-fetch';
+      const expectedCode = r"""import fetch from 'node-fetch'
 
-let url = 'https://reqres.in/api/users/2';
+const url = 'https://reqres.in/api/users/2';
 
-let options = {
+const options = {
   method: 'PUT',
   headers: {
     "Content-Type": "application/json"
   },
-  body: 
-"{\n\"name\": \"morpheus\",\n\"job\": \"zion resident\"\n}"
+  body: "{\n\"name\": \"morpheus\",\n\"job\": \"zion resident\"\n}"
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
@@ -595,33 +746,29 @@ fetch(url, options)
 
   group('PATCH Request', () {
     test('PATCH 1', () {
-      const expectedCode = r"""import fetch from 'node-fetch';
+      const expectedCode = r"""import fetch from 'node-fetch'
 
-let url = 'https://reqres.in/api/users/2';
+const url = 'https://reqres.in/api/users/2';
 
-let options = {
+const options = {
   method: 'PATCH',
   headers: {
     "Content-Type": "application/json"
   },
-  body: 
-"{\n\"name\": \"marfeus\",\n\"job\": \"accountant\"\n}"
+  body: "{\n\"name\": \"marfeus\",\n\"job\": \"accountant\"\n}"
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
@@ -632,28 +779,25 @@ fetch(url, options)
 
   group('DELETE Request', () {
     test('DELETE 1', () {
-      const expectedCode = r"""import fetch from 'node-fetch';
+      const expectedCode = r"""import fetch from 'node-fetch'
 
-let url = 'https://reqres.in/api/users/2';
+const url = 'https://reqres.in/api/users/2';
 
-let options = {
+const options = {
   method: 'DELETE'
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(
@@ -662,33 +806,29 @@ fetch(url, options)
     });
 
     test('DELETE 2', () {
-      const expectedCode = r"""import fetch from 'node-fetch';
+      const expectedCode = r"""import fetch from 'node-fetch'
 
-let url = 'https://reqres.in/api/users/2';
+const url = 'https://reqres.in/api/users/2';
 
-let options = {
+const options = {
   method: 'DELETE',
   headers: {
     "Content-Type": "application/json"
   },
-  body: 
-"{\n\"name\": \"marfeus\",\n\"job\": \"accountant\"\n}"
+  body: "{\n\"name\": \"marfeus\",\n\"job\": \"accountant\"\n}"
 };
 
-let status;
 fetch(url, options)
-    .then(res => {
-        status = res.status;
-        return res.json()
-    })
-    .then(body => {
-        console.log(status);
-        console.log(body);
-    })
-    .catch(err => {
-        console.log(status);
-        console.error('error:' + err);
-    });
+  .then(res => {
+    console.log(res.status);
+    return res.text()
+  })
+  .then(body => {
+    console.log(body);
+  })
+  .catch(err => {
+    console.error(`error:${err}`);
+  });
 """;
       expect(
           codeGen.getCode(