diff --git a/tests/unit/utils/net/http-request.spec.ts b/tests/unit/utils/net/http-request.spec.ts
new file mode 100644
index 0000000..7d35557
--- /dev/null
+++ b/tests/unit/utils/net/http-request.spec.ts
@@ -0,0 +1,334 @@
+import { getHeader } from "@/utils/net";
+import { Blob } from "@/utils/net/blob";
+import { FormData, isFormData } from "@/utils/net/form-data";
+import { isURLSearchParams } from "@/utils/net/query-string";
+import { HttpRequest } from "@/utils/net/http-request";
+
+describe("HttpRequest", () => {
+    describe("get", () => {
+        test("creates a new GET request", () => {
+            const request = HttpRequest.get({ referrerPolicy: "same-origin" });
+
+            expect(request).toBeDefined();
+            expect(request.method).toBe("GET");
+            expect(request.referrerPolicy).toBe("same-origin");
+        });
+    });
+
+    describe("post", () => {
+        test("creates a new POST request", () => {
+            const request = HttpRequest.post({ referrerPolicy: "same-origin" });
+
+            expect(request).toBeDefined();
+            expect(request.method).toBe("POST");
+            expect(request.referrerPolicy).toBe("same-origin");
+        });
+    });
+
+    describe("patch", () => {
+        test("creates a new PATCH request", () => {
+            const request = HttpRequest.patch({ referrerPolicy: "same-origin" });
+
+            expect(request).toBeDefined();
+            expect(request.method).toBe("PATCH");
+            expect(request.referrerPolicy).toBe("same-origin");
+        });
+    });
+
+    describe("put", () => {
+        test("creates a new PUT request", () => {
+            const request = HttpRequest.put({ referrerPolicy: "same-origin" });
+
+            expect(request).toBeDefined();
+            expect(request.method).toBe("PUT");
+            expect(request.referrerPolicy).toBe("same-origin");
+        });
+    });
+
+    describe("delete", () => {
+        test("creates a new DELETE request", () => {
+            const request = HttpRequest.delete({ referrerPolicy: "same-origin" });
+
+            expect(request).toBeDefined();
+            expect(request.method).toBe("DELETE");
+            expect(request.referrerPolicy).toBe("same-origin");
+        });
+    });
+});
+
+describe("HttpRequestBuilder", () => {
+    describe("with", () => {
+        test("sets the request data as URL parameters for GET requests when data is a string", () => {
+            const builder = HttpRequest.get();
+            const data = "param1=value1&param2=value2";
+
+            const request = builder.with(data);
+            const urlParams = request.body as URLSearchParams;
+
+            expect(isURLSearchParams(urlParams)).toBe(true);
+            expect(urlParams.get("param1")).toBe("value1");
+            expect(urlParams.get("param2")).toBe("value2");
+        });
+
+        test("sets the request data as plain text for non-GET requests when data is a string", () => {
+            const builder = HttpRequest.post();
+            const data = "request body";
+
+            const request = builder.with(data);
+
+            expect(request.body).toBe(data);
+            expect(getHeader(request.headers, "Content-Type")).toBe("text/plain");
+        });
+
+        test("sets the request data as URL parameters for GET requests when data is an iterable", () => {
+            const builder = HttpRequest.get();
+            const data = [["param1", "value1"], ["param2", "value2"]];
+
+            const request = builder.with(data);
+            const urlParams = request.body as URLSearchParams;
+
+            expect(isURLSearchParams(urlParams)).toBe(true);
+            expect(urlParams.get("param1")).toBe("value1");
+            expect(urlParams.get("param2")).toBe("value2");
+        });
+
+        test("sets the request data as FormData for non-GET requests when data is an iterable", () => {
+            const builder = HttpRequest.post();
+            const data = [["field1", "value1"], ["field2", "value2"]];
+
+            const request = builder.with(data);
+            const formData = request.body as FormData;
+
+            expect(isFormData(formData)).toBe(true);
+            expect(formData.get("field1")).toBe("value1");
+            expect(formData.get("field2")).toBe("value2");
+        });
+
+        test("sets the request data as URL parameters for GET requests when data is a record", () => {
+            const builder = HttpRequest.get();
+            const data = { param1: "value1", param2: "value2" };
+
+            const request = builder.with(data);
+            const urlParams = request.body as URLSearchParams;
+
+            expect(isURLSearchParams(urlParams)).toBe(true);
+            expect(urlParams.get("param1")).toBe("value1");
+            expect(urlParams.get("param2")).toBe("value2");
+        });
+
+        test("sets the request data as FormData for non-GET requests when data is a record", () => {
+            const builder = HttpRequest.post();
+            const data = { field1: "value1", field2: "value2" };
+
+            const request = builder.with(data);
+            const formData = request.body as FormData;
+
+            expect(isFormData(formData)).toBe(true);
+            expect(formData.get("field1")).toBe("value1");
+            expect(formData.get("field2")).toBe("value2");
+        });
+
+        test("sets the request data directly when data is a valid HttpRequestBody", () => {
+            const builder = HttpRequest.post();
+            const data = new Blob(["blob content"]);
+
+            const request = builder.with(data);
+
+            expect(request.body).toBe(data);
+            expect(getHeader(request.headers, "Content-Type")).toBe("application/octet-stream");
+            expect(getHeader(request.headers, "Content-Length")).toBe(String(data.size));
+        });
+    });
+
+    describe("urlParams", () => {
+        test("sets the request URL parameters when params is a URLSearchParams instance", () => {
+            const builder = HttpRequest.get();
+            const params = new URLSearchParams("param1=value1&param2=value2");
+
+            const request = builder.urlParams(params);
+            const urlParams = request.body as URLSearchParams;
+
+            expect(isURLSearchParams(urlParams)).toBe(true);
+            expect(urlParams.get("param1")).toBe("value1");
+            expect(urlParams.get("param2")).toBe("value2");
+        });
+
+        test("sets the request URL parameters when params is a string", () => {
+            const builder = HttpRequest.get();
+            const params = "param1=value1&param2=value2";
+
+            const request = builder.urlParams(params);
+            const urlParams = request.body as URLSearchParams;
+
+            expect(isURLSearchParams(urlParams)).toBe(true);
+            expect(urlParams.get("param1")).toBe("value1");
+            expect(urlParams.get("param2")).toBe("value2");
+        });
+
+        test("sets the request URL parameters when params is an iterable", () => {
+            const builder = HttpRequest.get();
+            const params = [["param1", "value1"], ["param2", "value2"]];
+
+            const request = builder.urlParams(params);
+            const urlParams = request.body as URLSearchParams;
+
+            expect(isURLSearchParams(urlParams)).toBe(true);
+            expect(urlParams.get("param1")).toBe("value1");
+            expect(urlParams.get("param2")).toBe("value2");
+        });
+
+        test("sets the request URL parameters when params is a record", () => {
+            const builder = HttpRequest.get();
+            const params = { param1: "value1", param2: "value2" };
+
+            const request = builder.urlParams(params);
+            const urlParams = request.body as URLSearchParams;
+
+            expect(isURLSearchParams(urlParams)).toBe(true);
+            expect(urlParams.get("param1")).toBe("value1");
+            expect(urlParams.get("param2")).toBe("value2");
+        });
+    });
+
+    describe("formData", () => {
+        test("sets the request body as FormData when data is a FormData instance", () => {
+            const builder = HttpRequest.post();
+            const data = new FormData();
+            data.append("field1", "value1");
+            data.append("field2", "value2");
+
+            const request = builder.formData(data);
+            const formData = request.body as FormData;
+
+            expect(isFormData(formData)).toBe(true);
+            expect(formData.get("field1")).toBe("value1");
+            expect(formData.get("field2")).toBe("value2");
+        });
+
+        test("converts and sets the request body as FormData when data is an iterable", () => {
+            const builder = HttpRequest.post();
+            const data = [["field1", "value1"], ["field2", "value2"]];
+
+            const request = builder.formData(data);
+            const formData = request.body as FormData;
+
+            expect(isFormData(formData)).toBe(true);
+            expect(formData.get("field1")).toBe("value1");
+            expect(formData.get("field2")).toBe("value2");
+        });
+
+        test("converts and sets the request body as FormData when data is a record", () => {
+            const builder = HttpRequest.post();
+            const data = { field1: "value1", field2: "value2" };
+
+            const request = builder.formData(data);
+            const formData = request.body as FormData;
+
+            expect(isFormData(formData)).toBe(true);
+            expect(formData.get("field1")).toBe("value1");
+            expect(formData.get("field2")).toBe("value2");
+        });
+    });
+
+    describe("json", () => {
+        test("sets the request body as a JSON string when obj is a string", () => {
+            const builder = HttpRequest.post();
+            const obj = JSON.stringify({ field1: "value1", field2: "value2" });
+
+            const request = builder.json(obj);
+
+            expect(request.body).toBe(obj);
+            expect(getHeader(request.headers, "Content-Type")).toBe("application/json");
+        });
+
+        test("sets the request body as a JSON string when obj is an object", () => {
+            const builder = HttpRequest.post();
+            const obj = { field1: "value1", field2: "value2" };
+
+            const request = builder.json(obj);
+
+            expect(request.body).toBe(JSON.stringify(obj));
+            expect(getHeader(request.headers, "Content-Type")).toBe("application/json");
+        });
+    });
+
+    describe("text", () => {
+        test("sets the request body as a plain text string", () => {
+            const builder = HttpRequest.post();
+            const text = "Foo";
+
+            const request = builder.text(text);
+
+            expect(request.body).toBe(text);
+            expect(getHeader(request.headers, "Content-Type")).toBe("text/plain");
+        });
+    });
+
+    describe("abort", () => {
+        test("sets an AbortSignal to cancel the request", () => {
+            const builder = HttpRequest.post();
+            const controller = new AbortController();
+            const signal = controller.signal;
+
+            const request = builder.abort(signal);
+
+            expect(request.signal).toBe(signal);
+            expect(request.signal.aborted).toBe(false);
+
+            controller.abort();
+
+            expect(request.signal.aborted).toBe(true);
+        });
+    });
+
+    describe("timeout", () => {
+        test("sets an AbortSignal with a timeout to cancel the request", () => {
+            const builder = HttpRequest.post();
+            const abortDelay = 5000;
+
+            const result = builder.timeout(abortDelay);
+
+            expect(result.signal).toBeDefined();
+            expect(result.signal.aborted).toBe(false);
+        });
+    });
+
+    describe("header", () => {
+        test("sets a single request header", () => {
+            const builder = HttpRequest.get();
+            const headerName = "Content-Type";
+            const headerValue = "application/json";
+
+            builder.header(headerName, headerValue);
+
+            expect(builder.headers).toBeDefined();
+            expect(getHeader(builder.headers, headerName)).toBe(headerValue);
+        });
+
+        test("overwrites an existing header with the same name", () => {
+            const builder = HttpRequest.get();
+            const headerName = "Content-Type";
+            const firstHeaderValue = "text/plain";
+            const secondHeaderValue = "application/json";
+
+            builder.header(headerName, firstHeaderValue);
+            builder.header(headerName, secondHeaderValue);
+
+            expect(getHeader(builder.headers, headerName)).toBe(secondHeaderValue);
+        });
+
+        test("maintains previously set headers when a new one is added", () => {
+            const builder = HttpRequest.get();
+            const firstHeaderName = "Content-Type";
+            const firstHeaderValue = "application/json";
+            const secondHeaderName = "Accept";
+            const secondHeaderValue = "application/json";
+
+            builder.header(firstHeaderName, firstHeaderValue);
+            builder.header(secondHeaderName, secondHeaderValue);
+
+            expect(getHeader(builder.headers, firstHeaderName)).toBe(firstHeaderValue);
+            expect(getHeader(builder.headers, secondHeaderName)).toBe(secondHeaderValue);
+        });
+    });
+});