Add version command to CLI with tests (#371)

* Add version command with tests

- Create __version__.py to store version string (0.1.0)
- Add version command that prints current version
- Support both 'version' and 'version show' subcommands
- Add tests for version command

Fixes #321

* fix: removed unnecessary blank lines

* fix: added a blank line

* fix: ran test for black, isort, flake8 and pytest but failing in mypy (need to resolve

* fix: Succesfully ran test for black, isort, flake8, mypy and pytest

* Remove extra newline in main function

* Fix formatting issues in cli.py

---------

Co-authored-by: Bobby Iliev <bobby@bobbyiliev.com>

Author: AnasFaaiz

cli/__version__.py

@@ -0,0 +1,3 @@
+"""Version information for 101-linux-commands CLI."""
+
+__version__ = "0.1.0"

cli/cli.py

@@ -4,10 +4,11 @@
 
 import typer
 
-from commands import hello
+from commands import hello, version
 
 app = typer.Typer(help="101 Linux Commands CLI 🚀")
 app.add_typer(hello.app, name="hello")
+app.add_typer(version.app, name="version")
 
 
 def main() -> None:

cli/commands/version.py

@@ -0,0 +1,25 @@
+"""Version command for 101-linux-commands CLI."""
+
+import sys
+from pathlib import Path
+
+import typer
+
+sys.path.insert(0, str(Path(__file__).parent.parent))
+
+from __version__ import __version__
+
+app = typer.Typer(help="version command")
+
+
+@app.callback(invoke_without_command=True)
+def main(ctx: typer.Context):
+    """Show the current version of 101-linux CLI"""
+    if ctx.invoked_subcommand is None:
+        typer.echo(f"101-linux v{__version__}")
+
+
+@app.command()
+def show():
+    """Show the current version of 101-linux CLI"""
+    typer.echo(f"101-linux v{__version__}")

cli/setup.cfg

@@ -5,21 +5,44 @@ extend-ignore =
     E203,
     # W503: line break before binary operator (conflicts with black)
     W503
+    # E402: module level import not at top (needed for sys.path manipulation)
+    E402
 exclude = 
     .git,
     __pycache__,
     .venv,
     venv,
     .env,
-    env
+    env,
+    .mypy_cache,
+    build,
+    dist
 
 [isort]
 profile = black
 multi_line_output = 3
 line_length = 88
 
 [mypy]
-python_version = 3.8
+python_version = 3.9
 warn_return_any = True
 warn_unused_configs = True
 ignore_missing_imports = True
+disallow_untyped_defs = False
+show_error_codes = True
+explicit_package_bases = True
+
+[mypy-__version__]
+ignore_missing_imports = True
+
+[mypy-commands]
+ignore_missing_imports = True
+
+[mypy-commands.*]
+ignore_missing_imports = True
+
+[mypy-typer.*]
+ignore_missing_imports = True
+
+[mypy-pytest.*]
+ignore_missing_imports = True

cli/test_cli.py

@@ -58,9 +58,36 @@ def test_hello_help():
     assert "Hello command group" in result.stdout
 
 
+def test_version_command():
+    """Test the version command"""
+    result = subprocess.run(
+        [sys.executable, "cli.py", "version"],
+        capture_output=True,
+        text=True,
+        cwd=os.path.dirname(__file__),
+    )
+    assert result.returncode == 0
+    assert "101-linux v" in result.stdout
+    assert "0.1.0" in result.stdout
+
+
+def test_version_show_command():
+    """Test the version show subcommand."""
+    result = subprocess.run(
+        [sys.executable, "cli.py", "version", "show"],
+        capture_output=True,
+        text=True,
+        cwd=os.path.dirname(__file__),
+    )
+    assert result.returncode == 0
+    assert "101-linux v0.1.0" in result.stdout
+
+
 if __name__ == "__main__":
     test_cli_help()
     test_hello_command()
     test_hello_command_with_name()
     test_hello_help()
+    test_version_command()
+    test_version_show_command()
     print("✅ All tests passed!")