Fix test suite issues and extend baudrate options

.gitignore

@@ -6,4 +6,5 @@ build/
 *.egg-info/
 .venv/
 logs/
-.coverage
+.coverage
+site/

CHANGELOG.md

@@ -1,5 +1,26 @@
 # Changelog
 
+# v1.0.4 – What’s Changed 🚀
+
+## 🚀 Feature Enhancements
+- 📶 Extended baudrate options in GUI combo box to include 230400, 460800, and 921600
+
+## 📚 Documentation Updates
+- 📝 Improved Polish documentation pages with standardized emojis and added UI section
+- 🖼️ Added application screenshots and fixed main icon references
+- 🔄 Reorganized and fixed Polish index page structure
+- 📖 General documentation improvements and updates
+
+## 🧪 Test Suite Fixes
+- 🐛 Fixed AttributeError in ModbusParser by initializing `bufferIndex` in `__init__`
+- 🔧 Updated GUI tests to use correct imports (QStyleOptionViewItem from QtWidgets)
+- 🛠️ Added proper mocking for serial.Serial in tests to prevent real hardware access
+- ✅ Fixed assertions in parser tests and GUI add_parsed_data method to use safe dict access
+- ⚙️ Configured pytest for source coverage instead of installed package
+
+**Full Changelog**: https://github.com/niwciu/ModbusSniffer/compare/v1.0.3...v1.0.4
+
+
 # v1.0.3 – What’s Changed 🚀
 
 ## ⚙️ CI/CD Improvements

CONTRIBUTING.md

@@ -8,7 +8,8 @@ Easily analyze and debug communication between PLCs, HMIs, and other Modbus RTU
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](LICENSE)
 
 <div align="center">
-<img src="https://github.com/niwciu/ModbusSniffer/blob/main/doc/gui.gif?raw=true" alt="Demo" />
+  <img src="https://niwciu.github.io/ModbusSniffer/gui.gif" alt="ModbusSniffer GUI demo" />
+  <p><em>Live preview of ModbusSniffer GUI in action</em></p>
 </div>
 
 ---
@@ -33,267 +34,44 @@ Easily analyze and debug communication between PLCs, HMIs, and other Modbus RTU
 
 ---
 
-## 🧰 Easy Installation (Pre-built Binaries or Install Scripts for Windows and Linux)
-
-You don't need to build anything manually!  
-This project uses GitHub Actions (GHA) to automatically build and publish verified binaries for each release.  
-Pre-built versions for Windows and Ubuntu are available under the [Releases](https://github.com/niwciu/ModbusSniffer/releases) tab.
+## 🆕 What’s New
 
-For custom builds and automatic shortcut setup, see the **🛠️ Build & Install** section below.
+See the full [CHANGELOG.md](https://github.com/niwciu/ModbusSniffer/blob/main/CHANGELOG.md) for details.
 
 ---
 
-## 🛠️ Build & Install
-
-### 1. General Requirements
-
-#### - Python 3 installed
-#### - pip3 installed 
-
-#### 🐧 Linux
-```bash
-sudo apt install python3-pip
-```
-
-#### 🪟 Windows
-```powershell
-python -m ensurepip --upgrade
-```
-
-### 2. Clone the Repository
-
-```bash
-git clone https://github.com/niwciu/ModbusSniffer.git
-cd ModbusSniffer/install_scripts
-```
-
-### 3. Build Executable (for Ubuntu and Windows)
-
-> **Note:** If you only want to **run** the app and not build it, skip this step and go to **▶️ Running GUI app without build**.
-
-#### 🐧 Linux
-
-```bash
-sudo chmod +x build.sh
-./build.sh
-```
-
-> This script:
-> * Cleans previous build files (build/, dist/, .spec, \_\_pycache\_\_)
-> * Creates a virtual environment and installs dependencies
-> * Uses PyInstaller to build the app
-> * Adds Start Menu and desktop shortcuts
-
-#### 🪟 Windows
-
-```powershell
-./build.bat
-```
-
-> This script:
-> * Cleans previous build files
-> * Sets up a virtual environment and installs dependencies
-> * Builds a standalone `.exe` using PyInstaller
-> * Adds desktop and Start Menu shortcuts
-
----
+## 🔧 ToDo
+- Improve GUI with:
+  - Add frame filtering
+- Add posibility to set log files path 
 
-## ▶️ Running GUI App (installed via pip)
-### 1. Clone repository
+## 🗺️ Roadmap
+- Support for Modbus TCP
+- Custom function code decoding
+- Advanced filtering and analysis tools
+- Plugin system for extensions
 
-```bash
-git clone https://github.com/niwciu/ModbusSniffer.git
-cd ModbusSniffer
-```
+## 📚 Documentation & Support
 
-### 2. Create and Activate Virtual Environment
-#### 🐧 Linux
-```bash
-python3 -m venv .venv
-source .venv/bin/activate
-```
+- Detailed documentation will be available in the `docs/` folder soon.
+- Questions or issues? Open an [issue](https://github.com/niwciu/ModbusSniffer/issues) or join the [Discussions](https://github.com/niwciu/ModbusSniffer/discussions).
 
-#### 🪟 Windows (PowerShell)
-```powershell
-python -m venv .venv
-.\.venv\Scripts\Activate.ps1
-```
+## 🧪 Testing
 
-### 3. Install package and development tools
+Run tests with pytest:
 
 ```bash
 pip install -e .[dev]
+pytest
 ```
 
-### 4. Run GUI app 🎛️ 🧩
+Coverage report:
 ```bash
-modbus-sniffer-gui
-```
-> Note: virtual environment (.venv) must be active
-
-### 5. Deactivate Virtual Environment
-```bash
-deactivate
+pytest --cov=modbus_sniffer
 ```
 
 ---
 
-## 🎮 Running the CLI App (installed via pip)
-### 1. Clone repository
-```bash
-git clone https://github.com/niwciu/ModbusSniffer.git
-cd ModbusSniffer
-```
-### 2. Create and Activate Virtual Environment
-
-#### 🐧 Linux
-```bash
-python3 -m venv .venv
-source .venv/bin/activate
-```
-
-#### 🪟 Windows (PowerShell)
-```powershell
-python -m venv .venv
-.\.venv\Scripts\Activate.ps1
-```
-
-### 3. Install package and development tools
-
-```bash
-pip install -e .[dev]
-```
-
-### 3. Run CLI Help 🖥️ 
-
-```bash
-modbus-sniffer -h
-```
-> Note: virtual environment (.venv) must be active.
-
-### 4. Example of usage 🧪
-Run modbus-sniffer CLI app on port USB0 with baud 115200 and parity=none
-```bash
-modbus-sniffer -p /dev/ttyUSB0 -b 115200 -r none
-```
-> Note: virtual environment (.venv) must be active.
-
-### 4. Deactivate Virtual Environment
-
-```bash
-deactivate
-```
-
-## ▶️ Running GUI App without installation
-### 1. Clone repository
-
-```bash
-git clone https://github.com/niwciu/ModbusSniffer.git
-cd ModbusSniffer
-```
-
-### 2. Create and Activate Virtual Environment
-#### 🐧 Linux
-```bash
-python3 -m venv .venv
-source .venv/bin/activate
-```
-
-#### 🪟 Windows (PowerShell)
-```powershell
-python -m venv .venv
-.\.venv\Scripts\Activate.ps1
-```
-
-### 3. Install requirements
-
-```bash
-pip install -r ./install_scripts/requirements.txt
-```
-
-### 4. Run GUI app 🎛️ 🧩
-```bash
-cd src/modbus_sniffer
-python gui.py
-```
-> Note: virtual environment (.venv) must be active
-
-### 5. Deactivate Virtual Environment
-```bash
-deactivate
-```
-
----
-
-## 🎮 Running the CLI App without installation
-### 1. Clone repository
-```bash
-git clone https://github.com/niwciu/ModbusSniffer.git
-cd ModbusSniffer
-```
-### 2. Create and Activate Virtual Environment
-
-#### 🐧 Linux
-```bash
-python3 -m venv .venv
-source .venv/bin/activate
-```
-
-#### 🪟 Windows (PowerShell)
-```powershell
-python -m venv .venv
-.\.venv\Scripts\Activate.ps1
-```
-
-### 3. Install requirements
-
-```bash
-pip install -r ./install_scripts/requirements.txt
-```
-
-### 3. Run CLI Help 🖥️ 
-
-```bash
-cd src/modbus_sniffer
-python cli.py -h
-```
-> Note: virtual environment (.venv) must be active.
-
-### 4. Example of usage 🧪
-Run modbus-sniffer CLI app on port USB0 with baud 115200 and parity=none
-```bash
-cd src/modbus_sniffer #optional - if running from project main folder
-python cli.py -p /dev/ttyUSB0 -b 115200 -r none
-```
-> Note: virtual environment (.venv) must be active.
-
-### 4. Deactivate Virtual Environment
-
-```bash
-deactivate
-```
-
----
-
-## 🆕 What’s New
-
-See the full [CHANGELOG.md](CHANGELOG.md) for details.
-
----
-
-## 🔧 ToDo
-- Improve GUI with:
-  - Add frame filtering
-- Add posibility to set log files path 
-
-
-## 📚 Documentation & Support
-
-- Detailed documentation will be available in the `docs/` folder soon.
-- Questions or issues? Open an [issue](https://github.com/niwciu/ModbusSniffer/issues) or join the [Discussions](https://github.com/niwciu/ModbusSniffer/discussions).
-
----
-
 ## 🤝 Contributing
 
 Contributions are welcome!
@@ -313,9 +91,16 @@ This includes formatters, linters, type checkers, test runners, and build tools.
 
 ---
 
+## 🤝 Acknowledgments
+
+Thanks to the original author [BADAndrea](https://github.com/BADAndrea) for the initial ModbusSniffer implementation.  
+Special thanks to all contributors and the open-source community for feedback and improvements.
+
+---
+
 ## 📜 License
 
-This project is licensed under the MIT License — see the [LICENSE](LICENSE) file.
+This project is licensed under the MIT License — see the [LICENSE](https://github.com/niwciu/ModbusSniffer/blob/main/LICENSE) file.
 
 This project is a fork of [BADAndrea ModbusSniffer](https://github.com/BADAndrea/ModbusSniffer)  
 Fork maintained by **niwciu** with enhancements described above.

README.md

@@ -6,6 +6,8 @@ Easily analyze and debug communication between PLCs, HMIs, and other Modbus RTU
 
 [![GitHub release](https://img.shields.io/github/v/release/niwciu/ModbusSniffer)](https://github.com/niwciu/ModbusSniffer/releases)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](LICENSE)
+[![GitHub stars](https://img.shields.io/github/stars/niwciu/ModbusSniffer)](https://github.com/niwciu/ModbusSniffer/stargazers)
+[![GitHub issues](https://img.shields.io/github/issues/niwciu/ModbusSniffer)](https://github.com/niwciu/ModbusSniffer/issues)
 
 <div align="center">
 <img src="https://niwciu.github.io/ModbusSniffer/gui.gif" alt="Demo" />
@@ -33,7 +35,7 @@ pip install modbus-sniffer
 ```
 or download Binary files for Ubuntu and Windows from [here](https://github.com/niwciu/ModbusSniffer/releases).
 
-You can also build and install app from sourcess. [Click here](CONTRIBUTING.md#%EF%B8%8F-build--install) for deatails about it.
+You can also build and install app from sourcess. [Click here](docs/installation.md) for deatails about it.
 
 
 ---
@@ -65,7 +67,7 @@ For more usage options, development guide, and installation from source, visit t
 ---
 ## 🤝 Contributing
 
-Please see [CONTRIBUTING.md](CONTRIBUTING.md) for development setup and contribution guidelines.
+Please see [docs/CONTRIBUTING.md](docs/CONTRIBUTING.md) for development setup and contribution guidelines.
 
 ---