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import sys
import pytest
import click
def debug():
click.echo(
"{}={}".format(
sys._getframe(1).f_code.co_name, "|".join(click.get_current_context().args)
)
)
def test_basic_chaining(runner):
@click.group(chain=True)
def cli():
pass
@cli.command("sdist")
def sdist():
click.echo("sdist called")
@cli.command("bdist")
def bdist():
click.echo("bdist called")
result = runner.invoke(cli, ["bdist", "sdist", "bdist"])
assert not result.exception
assert result.output.splitlines() == [
"bdist called",
"sdist called",
"bdist called",
]
def test_chaining_help(runner):
@click.group(chain=True)
def cli():
"""ROOT HELP"""
pass
@cli.command("sdist")
def sdist():
"""SDIST HELP"""
click.echo("sdist called")
@cli.command("bdist")
def bdist():
"""BDIST HELP"""
click.echo("bdist called")
result = runner.invoke(cli, ["--help"])
assert not result.exception
assert "COMMAND1 [ARGS]... [COMMAND2 [ARGS]...]..." in result.output
assert "ROOT HELP" in result.output
result = runner.invoke(cli, ["sdist", "--help"])
assert not result.exception
assert "SDIST HELP" in result.output
result = runner.invoke(cli, ["bdist", "--help"])
assert not result.exception
assert "BDIST HELP" in result.output
result = runner.invoke(cli, ["bdist", "sdist", "--help"])
assert not result.exception
assert "SDIST HELP" in result.output
def test_chaining_with_options(runner):
@click.group(chain=True)
def cli():
pass
@cli.command("sdist")
@click.option("--format")
def sdist(format):
click.echo("sdist called {}".format(format))
@cli.command("bdist")
@click.option("--format")
def bdist(format):
click.echo("bdist called {}".format(format))
result = runner.invoke(cli, ["bdist", "--format=1", "sdist", "--format=2"])
assert not result.exception
assert result.output.splitlines() == ["bdist called 1", "sdist called 2"]
def test_chaining_with_arguments(runner):
@click.group(chain=True)
def cli():
pass
@cli.command("sdist")
@click.argument("format")
def sdist(format):
click.echo("sdist called {}".format(format))
@cli.command("bdist")
@click.argument("format")
def bdist(format):
click.echo("bdist called {}".format(format))
result = runner.invoke(cli, ["bdist", "1", "sdist", "2"])
assert not result.exception
assert result.output.splitlines() == ["bdist called 1", "sdist called 2"]
def test_pipeline(runner):
@click.group(chain=True, invoke_without_command=True)
@click.option("-i", "--input", type=click.File("r"))
def cli(input):
pass
@cli.resultcallback()
def process_pipeline(processors, input):
iterator = (x.rstrip("\r\n") for x in input)
for processor in processors:
iterator = processor(iterator)
for item in iterator:
click.echo(item)
@cli.command("uppercase")
def make_uppercase():
def processor(iterator):
for line in iterator:
yield line.upper()
return processor
@cli.command("strip")
def make_strip():
def processor(iterator):
for line in iterator:
yield line.strip()
return processor
result = runner.invoke(cli, ["-i", "-"], input="foo\nbar")
assert not result.exception
assert result.output.splitlines() == ["foo", "bar"]
result = runner.invoke(cli, ["-i", "-", "strip"], input="foo \n bar")
assert not result.exception
assert result.output.splitlines() == ["foo", "bar"]
result = runner.invoke(cli, ["-i", "-", "strip", "uppercase"], input="foo \n bar")
assert not result.exception
assert result.output.splitlines() == ["FOO", "BAR"]
def test_args_and_chain(runner):
@click.group(chain=True)
def cli():
debug()
@cli.command()
def a():
debug()
@cli.command()
def b():
debug()
@cli.command()
def c():
debug()
result = runner.invoke(cli, ["a", "b", "c"])
assert not result.exception
assert result.output.splitlines() == ["cli=", "a=", "b=", "c="]
def test_multicommand_arg_behavior(runner):
with pytest.raises(RuntimeError):
@click.group(chain=True)
@click.argument("forbidden", required=False)
def bad_cli():
pass
with pytest.raises(RuntimeError):
@click.group(chain=True)
@click.argument("forbidden", nargs=-1)
def bad_cli2():
pass
@click.group(chain=True)
@click.argument("arg")
def cli(arg):
click.echo("cli:{}".format(arg))
@cli.command()
def a():
click.echo("a")
result = runner.invoke(cli, ["foo", "a"])
assert not result.exception
assert result.output.splitlines() == ["cli:foo", "a"]
@pytest.mark.xfail
def test_multicommand_chaining(runner):
@click.group(chain=True)
def cli():
debug()
@cli.group()
def l1a():
debug()
@l1a.command()
def l2a():
debug()
@l1a.command()
def l2b():
debug()
@cli.command()
def l1b():
debug()
result = runner.invoke(cli, ["l1a", "l2a", "l1b"])
assert not result.exception
assert result.output.splitlines() == ["cli=", "l1a=", "l2a=", "l1b="]
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