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## Code Metrics ## Code Metrics
- **Number of lines of code:** 13059 (13.0 KLOC) - **Number of lines of code:** 547801 (54.7 KLOC)
- **Tool used to measure the number of lines of code:** lizard - **Tool used to measure the number of lines of code:** lizard
![Lizard-KLOC-Screenshot-output-command](/screenshots/n_lines_of_code.png) ![Lizard-KLOC-Screenshot-output-command](/screenshots/lizard-kloc(21-06-2024_16-39-00).png)
## Coverage Measurement ## Coverage Measurement
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![Coverage.py-Coverage-Measurement](/screenshots/coverage-py-2(2024-06-21_17-09-11).png) ![Coverage.py-Coverage-Measurement](/screenshots/coverage-py-2(2024-06-21_17-09-11).png)
![Coverage.py-Coverage-Measurement](/screenshots/coverage-py-1(21-06-2024_17-06-39).png) ![Coverage.py-Coverage-Measurement](/screenshots/coverage-py-1(21-06-2024_17-06-39).png)
## Tasks
### Luca De Nobili
### Function 1 (property): script_parts in thefuck/types.py
#### 1. Function Instrumentation
- **Before instrumentation:**
![Function1-BeforeInstrumentation](/screenshots/function_script_parts_before_instrumentation.png)
- **After instrumentation:**
![Function1-AfterInstrumentation](/screenshots/function_script_parts_after_instrumentation.png)
#### 2. Coverage Improvement
- **Coverage before adding new tests to the corresponding test file: /tests/test_types.py**
![Function1-CoverageBeforeImprov](/screenshots/initial_branch_coverage_script_parts.png)
- **Creating new tests to cover the function**
```python
def test_script_parts_exception(self, mocker, caplog):
mocker.patch('thefuck.shells.shell.split_command', side_effect=Exception('Mocked exception'))
command = Command('invalid command', 'output')
with caplog.at_level('DEBUG'):
parts = command.script_parts
assert parts == []
print(f"Branch coverage: {sum(branch_coverage.values())/len(branch_coverage) * 100}%\n")
```
- **Coverage after adding new tests to the corresponding test file: /tests/types.py**
![Function1-CoverageAfterImprov](/screenshots/final_branch_coverage_script_parts(fix).png)
### Function 2: get_installation_version in thefuck/utils.py
#### 1. Function Instrumentation
- **Before instrumentation:**
![Function2-BeforeInstrumentation](/screenshots/function_get_installation_version_before_instrumentation.png)
- **After instrumentation:**
![Function2-AfterInstrumentation](/screenshots/function_get_installation_version_after_instrumentation.png)
#### 2. Coverage Improvement
- **Coverage before adding new tests to the corresponding test file: /tests/test_utils.py**
![Function2-CoverageBeforeImprov](/screenshots/initial_branch_coverage_get_installation_version.png)
- **Creating new tests to cover the function**
```python
class TestGetInstallationVersion(unittest.TestCase):
@patch('importlib.metadata.version', unittest.mock.MagicMock(return_value='1.2.3'))
def test_get_installation_version_with_importlib(self):
version = get_installation_version()
self.assertEqual(version,'1.2.3')
@patch('importlib.metadata.version', side_effect=ImportError)
@patch('pkg_resources.require', return_value=[unittest.mock.MagicMock(version='4.5.6')])
def test_get_installation_version_with_pkg_resources(self, mock_require, mock_version):
version = get_installation_version()
self.assertEqual(version, '4.5.6')
print(f"Branch coverage: {sum(branch_coverage.values())/len(branch_coverage) * 100}% ")
```
- **Coverage after adding new tests to the corresponding test file: /tests/test_utils.py**
![Function2-CoverageAfterImprov](/screenshots/final_branch_coverage_get_installation_version.png)