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41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
"""Tests for the FilenameOnly formatter object."""
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from __future__ import annotations
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import argparse
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from flake8.formatting import default
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from flake8.violation import Violation
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def options(**kwargs):
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"""Create an argparse.Namespace instance."""
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kwargs.setdefault("color", "auto")
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kwargs.setdefault("output_file", None)
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kwargs.setdefault("tee", False)
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return argparse.Namespace(**kwargs)
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def test_caches_filenames_already_printed():
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"""Verify we cache filenames when we format them."""
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formatter = default.FilenameOnly(options())
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assert formatter.filenames_already_printed == set()
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formatter.format(Violation("code", "file.py", 1, 1, "text", "l"))
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assert formatter.filenames_already_printed == {"file.py"}
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def test_only_returns_a_string_once_from_format():
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"""Verify format ignores the second error with the same filename."""
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formatter = default.FilenameOnly(options())
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error = Violation("code", "file.py", 1, 1, "text", "1")
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assert formatter.format(error) == "file.py"
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assert formatter.format(error) is None
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def test_show_source_returns_nothing():
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"""Verify show_source returns nothing."""
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formatter = default.FilenameOnly(options())
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error = Violation("code", "file.py", 1, 1, "text", "1")
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assert formatter.show_source(error) is None
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