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Krzysztof kuhy Rudnicki
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Docker mysql:8.0.33 container, judge-style output grading, 12 original drills with live-verified references kept in tests only. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01WzxdWZewj4WS5X6AZyjWDp
77 lines
1.8 KiB
Python
77 lines
1.8 KiB
Python
"""Output normaliser and diff: pure functions, no Docker."""
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from __future__ import annotations
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from python_pkg.sql_drills._normalize import diff, matches, normalize
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def test_tabs_become_single_spaces() -> None:
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assert normalize("a\tb\tc\n") == ["a b c"]
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def test_trailing_whitespace_stripped_per_line() -> None:
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assert normalize("a b \nc\t\n") == ["a b", "c"]
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def test_leading_whitespace_kept() -> None:
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assert normalize(" x\n") == [" x"]
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def test_null_stays_literal() -> None:
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assert normalize("1\tNULL\n") == ["1 NULL"]
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def test_crlf_handled() -> None:
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assert normalize("a\r\nb\r\n") == ["a", "b"]
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def test_empty_output_is_no_lines() -> None:
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assert normalize("") == []
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def test_matches_ignores_trailing_blank_final_newline() -> None:
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assert matches("a\tb\n", "a b")
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def test_case_is_strict() -> None:
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assert not matches("Alice\n", "alice\n")
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def test_decimals_are_strict() -> None:
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assert not matches("2.5\n", "2.5000\n")
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def test_row_order_is_strict() -> None:
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assert not matches("a\nb\n", "b\na\n")
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def test_diff_empty_when_equal() -> None:
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assert diff(["a"], ["a"]) == ""
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def test_diff_marks_differing_line() -> None:
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out = diff(["a", "b"], ["a", "c"])
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assert "line 2" in out
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assert "expected: b" in out
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assert "actual : c" in out
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assert "line 1" not in out
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def test_diff_reports_missing_rows() -> None:
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out = diff(["a", "b"], ["a"])
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assert "line 2" in out
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assert "expected: b" in out
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assert "actual : <no line>" in out
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def test_diff_reports_extra_rows() -> None:
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out = diff(["a"], ["a", "z"])
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assert "expected: <no line>" in out
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assert "actual : z" in out
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def test_diff_shows_whitespace_visibly() -> None:
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out = diff(["a b"], [" a b"])
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assert "expected: a b" in out
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assert "actual : ' a b'" in out
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