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Testing Model Selection Component Workflow in OpenHands

This test suite evaluates the ModelSelector component’s functionality in the OpenHands frontend. It covers critical user interface interactions and state management for AI model selection. The tests ensure proper handling of provider and model selection, disabled states, and initial model configuration.

Test Coverage Overview

The test suite provides comprehensive coverage of the ModelSelector component’s core functionality.

Component rendering validation
Provider selection and display logic
Model selection state management
Conditional disabling of UI elements
Initial state handling with currentModel prop

Implementation Analysis

The testing approach utilizes Vitest’s describe and it.todo blocks to outline the test structure. The implementation focuses on component-level unit testing with clear separation of concerns for different functional aspects. The tests leverage TypeScript for type safety and Jest-compatible syntax for assertions.

Technical Details

Testing Framework: Vitest
Language: TypeScript
Component Type: React Frontend Component
Test Scope: Unit Tests
File Location: frontend/__tests__/components/settings/

Best Practices Demonstrated

The test suite demonstrates several testing best practices for React components. It shows organized test grouping, clear test case isolation, and comprehensive feature coverage. The use of it.todo() indicates planned test implementation with clear intentions for future development.

Isolated test cases
Clear test descriptions
Comprehensive feature coverage
Structured test organization

all-hands-ai/openhands

frontend/__tests__/components/settings/model-selector.test.tsx

            
import { describe, it } from "vitest";

describe("ModelSelector", () => {
  it.todo("should render the model selector");
  it.todo("should display and select the providers");
  it.todo("should display and select the models");
  it.todo("should disable the models if a provider is not selected");
  it.todo("should disable the inputs if isDisabled is true");
  it.todo(
    "should set the selected model and provider if the currentModel prop is set",
  );
});