mirror of
https://github.com/unclebob/crapper.git
synced 2026-11-06 18:13:50 +00:00
Robert C. Martin
a4b5fc2aed
Score Clojure, Java, Go, TypeScript, Rust, and Python with each language's complexity rules and coverage report.
74 lines
2.1 KiB
Python
74 lines
2.1 KiB
Python
from crapper.crap import crap_score, sort_entries
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from crapper.metrics import render_edn
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from crapper.model import Entry
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from crapper.report import format_report
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def entry(**kwargs):
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defaults = dict(
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name="score",
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namespace="demo.core",
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complexity=1,
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coverage=100.0,
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crap=1.0,
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path="src/demo/core.clj",
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language="clojure",
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)
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defaults.update(kwargs)
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return Entry(**defaults)
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def test_formula_matches_crap4clj():
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assert crap_score(5, 100.0) == 5.0
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assert crap_score(5, 0.0) == 30.0
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assert crap_score(1, 100.0) == 1.0
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assert abs(crap_score(8, 45.0) - 18.648) < 0.01
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assert crap_score(3, None) is None
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def test_unscored_rows_sort_after_scored_rows():
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rows = sort_entries(
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[
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entry(name="missing", crap=None, coverage=None),
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entry(name="mid", crap=5.0),
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entry(name="worst", crap=30.0),
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]
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)
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assert [row.name for row in rows] == ["worst", "mid", "missing"]
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def test_unscored_rows_sort_by_complexity():
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rows = sort_entries(
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[
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entry(name="small", crap=None, coverage=None, complexity=1),
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entry(name="large", crap=None, coverage=None, complexity=8),
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]
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)
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assert [row.name for row in rows] == ["large", "small"]
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def test_report_shows_na_for_missing_coverage():
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text = format_report([entry(coverage=None, crap=None, complexity=3)])
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assert "CRAP Report" in text
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assert "N/A" in text
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assert "demo.core" in text
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def test_edn_uses_crap4clj_keys():
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text = render_edn(
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[entry(name="layout", namespace="uml-viewer.layout", complexity=8, coverage=82.0, crap=3.4)]
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)
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assert text.startswith("{:entries [")
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assert ':name "layout"' in text
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assert ':namespace "uml-viewer.layout"' in text
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assert ":complexity 8" in text
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assert ":coverage 82.0" in text
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assert ":crap 3.4" in text
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assert text.endswith("}\n")
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def test_edn_writes_nil_for_missing_coverage():
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text = render_edn([entry(coverage=None, crap=None)])
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assert ":coverage nil" in text
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assert ":crap nil" in text
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