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Code Testing

7 snippets

Add Edge Case Tests for Sorting Function

Add edge case tests for a sorting algorithm.

Add test cases for this sorting function. Cover: – Empty list – One item – Already sorted – Repeated values Code: def sort_numbers(arr): return sorted(arr)

Test Async Function in JavaScript

Write test cases for an async function that fetches data.

Write Jest tests for this async function. Mock `fetch()` and test: – Successful fetch – 404 or error case – Bad JSON structure Code: async function fetchUser(id) { const res = await fetch(`/api/users/${id}`); const data = await...

Test Validation Logic in Node.js

Create unit tests for backend validation logic in a Node.js function.

Write unit tests using `Jest` for this validation function. Test cases: – Missing fields – Invalid email – Age < 18 – Valid input Code: function validateForm(data) { if (!data.email.includes('@')) return false; if (data.age < 18) return...

Add Integration Test for Flask Route

Write an integration test for a Flask endpoint using Flask's test client.

Write an integration test for this Flask route using `app.test_client()`. Test: – Valid credentials – Wrong credentials – Status codes – JSON response Code: @app.route('/login', methods=['POST']) def login(): data = request.get_json() if...

Test SQL Query Edge Cases

List test cases to validate behavior of SQL logic for edge input.

You are testing the following SQL query. List: – Input scenarios to test (e.g. totals = 100, NULLs) – Edge logic that may fail – Verification method for expected results Query: SELECT * FROM orders WHERE total > 100 AND status = 'confirmed';

Test Coverage Suggestions

Review a function and suggest missing test cases.

You are reviewing this function for test coverage. Identify: – Edge cases not covered – Unexpected or null input – Suggestions for improved testing Code: def format_price(value): if value is None: return "N/A" return...

Unit Tests for Python Function

Generate comprehensive unit tests for a given Python function using

You are given a Python function. Write unit tests using `pytest`. Cover: – Valid input – Invalid input – Edge cases (e.g. empty lists, negative numbers) – Exceptions and assertions Code: def divide_numbers(a, b): return a / b