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Fix crash when no commands are available

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This commit is contained in:
Joakim Soderlund 2017-10-14 15:30:15 +02:00
parent 6c0dfd2263
commit 262038e95d
2 changed files with 10 additions and 0 deletions
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3
fimfarchive/commands/root.py
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@ -93,6 +93,9 @@ class RootCommand(Command):
'Fimfarchive, ensuring that history is preseved.\n\n', 'Fimfarchive, ensuring that history is preseved.\n\n',
] ]
if not self.commands:
return ''.join(text).strip()
commands = sorted(cmd for cmd in self.commands.keys()) commands = sorted(cmd for cmd in self.commands.keys())
adjust = max(len(cmd) for cmd in commands) + 2 adjust = max(len(cmd) for cmd in commands) + 2

7
tests/commands/test_root.py
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@ -108,6 +108,13 @@ class TestRootCommanad():
assert "failure Command that returns 1." in doc assert "failure Command that returns 1." in doc
assert "truncated documentation line" not in doc assert "truncated documentation line" not in doc
def test_root_usage_without_commands(self, root):
"""
Tests usage contains text when no commands are available.
"""
type(root).commands = dict()
assert root.usage.strip()
def test_root_call_without_args(self, root, success, failure): def test_root_call_without_args(self, root, success, failure):
""" """
Tests `SystemExit` is raised if called without arguments. Tests `SystemExit` is raised if called without arguments.