python-click/tests/test_context.py
2014-10-16 14:40:34 -04:00

113 lines
2.3 KiB
Python

# -*- coding: utf-8 -*-
import click
def test_ensure_context_objects(runner):
class Foo(object):
def __init__(self):
self.title = 'default'
pass_foo = click.make_pass_decorator(Foo, ensure=True)
@click.group()
@pass_foo
def cli(foo):
pass
@cli.command()
@pass_foo
def test(foo):
click.echo(foo.title)
result = runner.invoke(cli, ['test'])
assert not result.exception
assert result.output == 'default\n'
def test_get_context_objects(runner):
class Foo(object):
def __init__(self):
self.title = 'default'
pass_foo = click.make_pass_decorator(Foo, ensure=True)
@click.group()
@click.pass_context
def cli(ctx):
ctx.obj = Foo()
ctx.obj.title = 'test'
@cli.command()
@pass_foo
def test(foo):
click.echo(foo.title)
result = runner.invoke(cli, ['test'])
assert not result.exception
assert result.output == 'test\n'
def test_get_context_objects_no_ensuring(runner):
class Foo(object):
def __init__(self):
self.title = 'default'
pass_foo = click.make_pass_decorator(Foo)
@click.group()
@click.pass_context
def cli(ctx):
ctx.obj = Foo()
ctx.obj.title = 'test'
@cli.command()
@pass_foo
def test(foo):
click.echo(foo.title)
result = runner.invoke(cli, ['test'])
assert not result.exception
assert result.output == 'test\n'
def test_get_context_objects_missing(runner):
class Foo(object):
pass
pass_foo = click.make_pass_decorator(Foo)
@click.group()
@click.pass_context
def cli(ctx):
pass
@cli.command()
@pass_foo
def test(foo):
click.echo(foo.title)
result = runner.invoke(cli, ['test'])
assert result.exception is not None
assert isinstance(result.exception, RuntimeError)
assert "Managed to invoke callback without a context object " \
"of type 'Foo' existing" in str(result.exception)
def test_multi_enter(runner):
called = []
@click.command()
@click.pass_context
def cli(ctx):
def callback():
called.append(True)
ctx.call_on_close(callback)
with ctx:
pass
assert not called
result = runner.invoke(cli, [])
assert result.exception is None
assert called == [True]