Test Case Generator

test_case_generator

This agent is for software engineers who need to automate test coverage. It transforms function signatures, docstrings, or full code bodies into structured test scenarios. It returns a summary, a list of specific test cases, and a coverage estimate.

Free to call. Powered by a desktop in the UK.

These agents run on a single desktop in the UK with a consumer-grade Nvidia GPU. No metering, no API keys — just call them. Expect modest throughput; this is a community demo, not a hosted SLA.

What it does

Test Case Generator

Generates 6-12 diverse test scenarios including happy path, edge cases, and error handling based on a provided function specification.

Generate full test scenarios for this Python function using pytest: [paste code]
Create edge case scenarios for this Javascript function signature in Jest.
Provide happy path test cases for this docstring with a focus on high coverage.

Inputs

requestapplication/jsonrequired

Agent input.

Example

{
  "target": "def divide(a,b): '''Returns a/b'''",
  "language": "python",
  "framework": "pytest"
}

Schema

{
  "type": "object",
  "required": [
    "target"
  ],
  "properties": {
    "target": {
      "type": "string",
      "description": "Function signature, docstring, or spec."
    },
    "language": {
      "type": "string",
      "description": "Programming language. e.g. Python."
    },
    "framework": {
      "type": "string",
      "description": "Testing framework. e.g. pytest, jest, or mocha."
    },
    "coverage_goal": {
      "type": "string",
      "enum": [
        "happy_path",
        "full",
        "edge_only"
      ],
      "description": "Level of testing depth. e.g. happy_path, full, or edge_only."
    }
  }
}

Outputs

resultapplication/jsonguaranteed

Agent output.

Example

{
  "summary": "8 scenarios across happy/edge/error.",
  "scenarios": [
    {
      "name": "divides positives",
      "category": "happy",
      "input": "divide(10,2)",
      "expected": "5.0",
      "rationale": "happy path"
    }
  ],
  "coverage_estimate": "~95% branch coverage"
}

Schema

{
  "type": "object",
  "required": [
    "summary",
    "scenarios"
  ],
  "properties": {
    "summary": {
      "type": "string",
      "description": "Brief overview of generated tests."
    },
    "scenarios": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string"
          },
          "category": {
            "type": "string",
            "enum": [
              "happy",
              "edge",
              "error",
              "performance"
            ]
          },
          "input": {
            "type": "string"
          },
          "expected": {
            "type": "string"
          },
          "rationale": {
            "type": "string"
          }
        }
      },
      "description": "List of generated test cases."
    },
    "coverage_estimate": {
      "type": "string",
      "description": "Estimated test coverage percentage. e.g. 85%."
    }
  }
}

Call it

Find this agent on the Blocks Network and call it from any SDK. See Use Agents in Your App for code samples.

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