Crate llm_browser_testkit 

LLM-driven browser test framework.

Provides reusable building blocks for browser-based test scenarios:

• Browser client via Chrome DevTools Protocol (headless)
• LLM client for natural language element targeting and assertions
• Declarative TOML scenario runner
• #[browser_test] macros for cargo test integration

Modules

runner

Step-by-step scenario executor (navigate, click, type, wait, assert).

scenario

Declarative TOML-based test scenario types. Scenario types for human-readable browser test case definitions.

Structs

LlmConfig

Configuration for the LLM client — bundles URL, model, auth, timeouts, and provider-specific options into a single struct passed everywhere.

Constants

DOM_EXTRACT_JS

JavaScript to extract interactive elements from the current page. Returns a JSON array of objects with tag, selector, and label.

Functions

base_url

Returns the target base URL from HARNESS_BROWSER_BASE_URL env, defaulting to http://localhost:4200.

browser_headless

Returns whether to run the browser in headless mode from HARNESS_BROWSER_HEADLESS env, defaulting to true.

http_client

Builds a reqwest::Client with the given timeout.

llm_base_url

Returns the LLM server base URL from HARNESS_LLM_TEST_URL env, defaulting to http://localhost:8080.

llm_chat

Sends a chat completion request to the LLM.

llm_model

Returns the LLM model name from HARNESS_LLM_TEST_MODEL env, defaulting to deepseek.

truncate

Truncates a string to the given maximum length, appending a marker if truncation occurred.