CLI: version -> --version (#43)

* CLI: `version` -> `--version`

* Test the CLI

Author: dkmiller

ptah/cli/__init__.py

@@ -24,6 +24,26 @@
 app = typer.Typer(pretty_exceptions_enable=False)
 
 
+def version(value: bool):
+    """
+    Current version of the Ptah CLI.
+    """
+    if value:
+        print(get(Version).version())
+        raise typer.Exit()
+
+
+@app.callback()
+def common(
+    ctx: typer.Context,
+    version: bool = typer.Option(None, "--version", callback=version),
+):
+    """
+    https://stackoverflow.com/a/71008105
+    """
+    pass
+
+
 @app.command()
 def project(output: Serialization = Serialization.yaml):
     """
@@ -39,14 +59,6 @@ def project(output: Serialization = Serialization.yaml):
     print(serialized)
 
 
-@app.command()
-def version():
-    """
-    Current version of the Ptah CLI.
-    """
-    print(get(Version).version())
-
-
 @app.command(name="build")
 def _build():
     """

pyproject.toml

@@ -1,7 +1,7 @@
 [project]
 name = "ptah-cli"
 readme = "README.md"
-version = "0.5.2"
+version = "0.6.0"
 authors = [
     { name = "Dan Miller", email = "[email protected]" }
 ]

tests/cli/test_cli.py

@@ -1,7 +1,19 @@
+import re
+
 from click import BaseCommand
+from typer.testing import CliRunner
+
+from ptah.cli import app
 
 
 def test_cli_click_object():
     from ptah.cli import ptah
 
     assert isinstance(ptah, BaseCommand)
+
+
+def test_cli_version():
+    runner = CliRunner()
+    result = runner.invoke(app, ["--version"])
+    assert result.exit_code == 0
+    assert re.match(r"\d+\.\d+\.\d+", result.stdout)