A Visual Studio Code extension that draws a visual flow of TestNG-style Java tests: which @Test methods run in what order, how they depend on each other, and where parameters and inherited steps come from—without reading hundreds of lines by hand.

What it does

Reads .java sources in your workspace and builds a directed graph from @Test and dependsOnMethods.
Layers methods by dependency depth so you can spot parallel groups (tests with no ordering between them in the same layer).
Follows extends to pull in superclass @Test methods and shows the declaring class for each step.
Lets you click a step to open the file and highlight the method declaration line.

Inspired by a “flow preview” workflow (similar in spirit to FlowRunner-style UIs): one place to see the scenario at a glance.

Screenshots

Auto Flow activity bar and TestNG Flow Preview

Layered TestNG flow with steps, parameters, and inheritance

Who it’s for

Teams using TestNG with dependsOnMethods chains in Java flow/scenario classes (e.g. API E2E flows). It is a heuristic viewer, not a full Java compiler—see documentation.md for limits.

Quick start

Install the extension (from a packaged .vsix or by running from source—see below).
Open your Java project in VS Code.
Open the Auto Flow activity bar and the TestNG Flow Preview view, or run Auto Flow View: Open TestNG Flow Diagram and pick a .java file or folder.
Use the dropdown if you analyzed multiple files; click a card to jump to code.
Use Search… to filter cards by method name substring, All classes to narrow by declaring class, and Refresh after you edit sources on disk.

Installation

Download the vsix file from releases folder (recommended to download latest version)
Drag and drop this vsix file into extension sidebar
Restart extensions

Commands

Command	What it does
Open TestNG Flow Diagram	Choose a `.java` file or folder; all `*.java` under a folder are analyzed.
Show TestNG Flow for Active Editor	Analyze the Java file currently focused in the editor.

Configuration

Setting	Description
`autoflowview.syncPreviewWithActiveEditor`	When `true`, refreshes the preview when you switch to a `.java` editor or save (debounced). Default: `false`.
`autoflowview.colors.preset`	Built-in palette: `default`, `ocean`, `slate`, or `rose`.
`autoflowview.colors.useCustom`	When `true`, non-empty keys in `autoflowview.colors.custom` override the preset for those UI elements (hex `#rgb` / `#rrggbb`).
`autoflowview.colors.custom`	Object map of optional color keys (see `package.json` / settings UI descriptions).

Development

npm install
npm run compile

Open this folder in VS Code and press F5 to launch the Extension Development Host.

Full documentation: documentation.md
Version history: CHANGELOG.md

Requirements

VS Code 1.85+ (see engines in package.json).
Workspace should contain the .java files you analyze (superclass resolution uses workspace search).