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Testing Git Clone Command Correction in thefuck

This test suite validates the functionality of correcting redundant ‘git clone’ commands in the thefuck command-line tool. It ensures the tool properly handles and fixes cases where users accidentally type ‘git clone’ twice.

Test Coverage Overview

The test suite provides comprehensive coverage for the git_clone_git_clone rule correction functionality.

Key areas tested include:

Matching valid cases of double ‘git clone’ commands
Proper handling of invalid command patterns
Command correction accuracy

Edge cases cover various command formats and error scenarios.

Implementation Analysis

The testing approach uses pytest to validate both the pattern matching and command correction logic. Tests are structured to verify the match() function’s ability to identify incorrect commands and get_new_command()’s ability to generate correct replacements.

The implementation uses Command objects and handles different input patterns systematically.

Technical Details

Testing tools and configuration:

pytest as the testing framework
Command class from thefuck.types
Mock git command output scenarios
Isolated test functions for matching and command generation

Best Practices Demonstrated

The test suite demonstrates several testing best practices:

Clear separation of positive and negative test cases
Explicit test function naming
Comprehensive assertion coverage
Mock data usage for command outputs

nvbn/thefuck

tests/rules/test_git_clone_git_clone.py

            
from thefuck.rules.git_clone_git_clone import match, get_new_command
from thefuck.types import Command


output_clean = """
fatal: Too many arguments.

usage: git clone [<options>] [--] <repo> [<dir>]
"""


def test_match():
    assert match(Command('git clone git clone foo', output_clean))


def test_not_match():
    assert not match(Command('', ''))
    assert not match(Command('git branch', ''))
    assert not match(Command('git clone foo', ''))
    assert not match(Command('git clone foo bar baz', output_clean))


def test_get_new_command():
    assert get_new_command(Command('git clone git clone foo', output_clean)) == 'git clone foo'