typer/tests/test_others.py
2022-07-12 16:45:43 +00:00

211 lines
6.6 KiB
Python

import os
import subprocess
from pathlib import Path
from unittest import mock
import click
import pytest
import shellingham
import typer
import typer.completion
from typer.main import solve_typer_info_defaults, solve_typer_info_help
from typer.models import TyperInfo
from typer.testing import CliRunner
runner = CliRunner()
def test_help_from_info():
# Mainly for coverage/completeness
value = solve_typer_info_help(TyperInfo())
assert value is None
def test_defaults_from_info():
# Mainly for coverage/completeness
value = solve_typer_info_defaults(TyperInfo())
assert value
def test_install_invalid_shell():
app = typer.Typer()
@app.command()
def main():
print("Hello World")
with mock.patch.object(
shellingham, "detect_shell", return_value=("xshell", "/usr/bin/xshell")
):
result = runner.invoke(app, ["--install-completion"])
assert "Shell xshell is not supported." in result.stdout
result = runner.invoke(app)
assert "Hello World" in result.stdout
def test_callback_too_many_parameters():
app = typer.Typer()
def name_callback(ctx, param, val1, val2):
pass # pragma: nocover
@app.command()
def main(name: str = typer.Option(..., callback=name_callback)):
pass # pragma: nocover
with pytest.raises(click.ClickException) as exc_info:
runner.invoke(app, ["--name", "Camila"])
assert (
exc_info.value.message == "Too many CLI parameter callback function parameters"
)
def test_callback_2_untyped_parameters():
app = typer.Typer()
def name_callback(ctx, value):
print(f"info name is: {ctx.info_name}")
print(f"value is: {value}")
@app.command()
def main(name: str = typer.Option(..., callback=name_callback)):
print("Hello World")
result = runner.invoke(app, ["--name", "Camila"])
assert "info name is: main" in result.stdout
assert "value is: Camila" in result.stdout
def test_callback_3_untyped_parameters():
app = typer.Typer()
def name_callback(ctx, param, value):
print(f"info name is: {ctx.info_name}")
print(f"param name is: {param.name}")
print(f"value is: {value}")
@app.command()
def main(name: str = typer.Option(..., callback=name_callback)):
print("Hello World")
result = runner.invoke(app, ["--name", "Camila"])
assert "info name is: main" in result.stdout
assert "param name is: name" in result.stdout
assert "value is: Camila" in result.stdout
def test_completion_untyped_parameters():
file_path = Path(__file__).parent / "assets/completion_no_types.py"
result = subprocess.run(
["coverage", "run", str(file_path)],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
encoding="utf-8",
env={
**os.environ,
"_COMPLETION_NO_TYPES.PY_COMPLETE": "complete_zsh",
"_TYPER_COMPLETE_ARGS": "completion_no_types.py --name Sebastian --name Ca",
"_TYPER_COMPLETE_TESTING": "True",
},
)
assert "info name is: completion_no_types.py" in result.stderr
# TODO: when deprecating Click 7, remove second option
assert (
"args is: []" in result.stderr
or "args is: ['--name', 'Sebastian', '--name']" in result.stderr
)
assert "incomplete is: Ca" in result.stderr
assert '"Camila":"The reader of books."' in result.stdout
assert '"Carlos":"The writer of scripts."' in result.stdout
result = subprocess.run(
["coverage", "run", str(file_path)],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
encoding="utf-8",
)
assert "Hello World" in result.stdout
def test_completion_untyped_parameters_different_order_correct_names():
file_path = Path(__file__).parent / "assets/completion_no_types_order.py"
result = subprocess.run(
["coverage", "run", str(file_path)],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
encoding="utf-8",
env={
**os.environ,
"_COMPLETION_NO_TYPES_ORDER.PY_COMPLETE": "complete_zsh",
"_TYPER_COMPLETE_ARGS": "completion_no_types_order.py --name Sebastian --name Ca",
"_TYPER_COMPLETE_TESTING": "True",
},
)
assert "info name is: completion_no_types_order.py" in result.stderr
# TODO: when deprecating Click 7, remove second option
assert (
"args is: []" in result.stderr
or "args is: ['--name', 'Sebastian', '--name']" in result.stderr
)
assert "incomplete is: Ca" in result.stderr
assert '"Camila":"The reader of books."' in result.stdout
assert '"Carlos":"The writer of scripts."' in result.stdout
result = subprocess.run(
["coverage", "run", str(file_path)],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
encoding="utf-8",
)
assert "Hello World" in result.stdout
def test_autocompletion_too_many_parameters():
app = typer.Typer()
def name_callback(ctx, args, incomplete, val2):
pass # pragma: nocover
@app.command()
def main(name: str = typer.Option(..., autocompletion=name_callback)):
pass # pragma: nocover
with pytest.raises(click.ClickException) as exc_info:
runner.invoke(app, ["--name", "Camila"])
assert exc_info.value.message == "Invalid autocompletion callback parameters: val2"
def test_forward_references():
app = typer.Typer()
@app.command()
def main(arg1, arg2: int, arg3: "int", arg4: bool = False, arg5: "bool" = False):
print(f"arg1: {type(arg1)} {arg1}")
print(f"arg2: {type(arg2)} {arg2}")
print(f"arg3: {type(arg3)} {arg3}")
print(f"arg4: {type(arg4)} {arg4}")
print(f"arg5: {type(arg5)} {arg5}")
result = runner.invoke(app, ["Hello", "2", "invalid"])
# TODO: when deprecating Click 7, remove second option
assert (
"Invalid value for 'ARG3': 'invalid' is not a valid integer" in result.stdout
or "Invalid value for 'ARG3': invalid is not a valid integer" in result.stdout
)
result = runner.invoke(app, ["Hello", "2", "3", "--arg4", "--arg5"])
assert (
"arg1: <class 'str'> Hello\narg2: <class 'int'> 2\narg3: <class 'int'> 3\narg4: <class 'bool'> True\narg5: <class 'bool'> True\n"
in result.stdout
)
def test_context_settings_inheritance_single_command():
app = typer.Typer(context_settings=dict(help_option_names=["-h", "--help"]))
@app.command()
def main(name: str):
pass # pragma: nocover
result = runner.invoke(app, ["main", "-h"])
assert "Show this message and exit." in result.stdout