✅ test(typer-CLI): add some tests for typer CLI

Author: bassemkaroui

template/src/{{project_slug}}/{% if with_typer_cli %}cli{% endif %}/commands/version.py.jinja

@@ -8,4 +8,4 @@ app = typer.Typer()
 
 @app.command(rich_help_panel="Help and Others", help="Show the CLI's version.")
 def version() -> None:
-    rprint(f"{{ cli_name }} Version: [green]{__version__}[/green]")
+    rprint(f"{{ cli_name }} version: [green]{__version__}[/green]")

template/src/{{project_slug}}/{% if with_typer_cli %}cli{% endif %}/main.py.jinja

@@ -20,7 +20,7 @@ def callback(
     version: Annotated[bool, typer.Option("--version", help="Show the CLI's version.")] = False,
 ) -> None:
     if version:
-        rprint(f"{{ cli_name }} Version: [green]{__version__}[/green]")
+        rprint(f"{{ cli_name }} version: [green]{__version__}[/green]")
         raise typer.Exit()
 
 

template/tests/__init__.py

@@ -0,0 +1,18 @@
+from typer.testing import CliRunner
+
+from {{ project_slug }} import __version__
+from {{ project_slug }}.cli.main import app
+
+runner = CliRunner()
+
+
+def test_version_as_command() -> None:
+    result = runner.invoke(app, ["version"])
+    assert result.exit_code == 0
+    assert f"{{ cli_name }} version: {__version__}" in result.stdout
+
+
+def test_version_as_option() -> None:
+    result = runner.invoke(app, ["--version"])
+    assert result.exit_code == 0
+    assert f"{{ cli_name }} version: {__version__}" in result.stdout