mirror of
https://github.com/unclebob/mutator.git
synced 2026-11-06 18:23:50 +00:00
Robert C. Martin
ba4065f3f1
A package path is one argument. Git status uses NUL records and returns git's status. A failed coverage command leaves reports unread, coverage keeps the longest path match, and site walks no longer recurse.
99 lines
3.7 KiB
Python
99 lines
3.7 KiB
Python
from mutator.coverage import covered_lines
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def test_jacoco_marks_lines_with_covered_instructions(tmp_path):
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report = tmp_path / "target" / "site" / "jacoco" / "jacoco.xml"
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report.parent.mkdir(parents=True)
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report.write_text(
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"""<?xml version="1.0"?>
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<report name="demo">
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<package name="demo">
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<sourcefile name="Board.java">
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<line nr="3" mi="0" ci="2" mb="0" cb="0"/>
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<line nr="4" mi="4" ci="0" mb="1" cb="0"/>
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<line nr="5" mi="0" ci="0" mb="0" cb="1"/>
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</sourcefile>
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</package>
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</report>
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""",
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encoding="utf-8",
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)
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source = tmp_path / "src" / "demo" / "Board.java"
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source.parent.mkdir(parents=True)
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source.write_text("package demo;\nclass Board {}\n", encoding="utf-8")
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assert covered_lines(tmp_path, source, "java") == {3, 5}
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def test_go_profile_marks_hit_lines(tmp_path):
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profile = tmp_path / "target" / "coverage" / "go" / "coverage.out"
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profile.parent.mkdir(parents=True)
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profile.write_text(
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"mode: set\n"
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"demo/widget.go:2.1,4.2 1 1\n"
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"demo/widget.go:5.1,6.2 1 0\n",
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encoding="utf-8",
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)
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source = tmp_path / "demo" / "widget.go"
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source.parent.mkdir()
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source.write_text("package demo\nfunc Run() {}\n", encoding="utf-8")
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assert covered_lines(tmp_path, source, "go") == {2, 3, 4}
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assert covered_lines(tmp_path, tmp_path / "other" / "missing.go", "go") is None
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empty = tmp_path / "empty"
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empty.mkdir()
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assert covered_lines(empty, empty / "demo" / "widget.go", "go") is None
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def test_lcov_marks_executed_lines(tmp_path):
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report = tmp_path / "target" / "coverage" / "python" / "lcov.info"
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report.parent.mkdir(parents=True)
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report.write_text(
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"SF:src/demo/app.py\nDA:1,3\nDA:2,0\nend_of_record\n",
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encoding="utf-8",
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)
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source = tmp_path / "src" / "demo" / "app.py"
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source.parent.mkdir(parents=True)
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source.write_text("def place():\n return 1\n", encoding="utf-8")
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assert covered_lines(tmp_path, source, "python") == {1}
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assert covered_lines(tmp_path, source, "clojure") == {1}
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def test_lcov_does_not_let_a_shorter_path_steal_hits(tmp_path):
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report = tmp_path / "target" / "coverage" / "python" / "lcov.info"
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report.parent.mkdir(parents=True)
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report.write_text(
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"SF:b/app.py\nDA:2,1\nend_of_record\n"
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"SF:a/b/app.py\nDA:1,1\nend_of_record\n",
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encoding="utf-8",
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)
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short = tmp_path / "b" / "app.py"
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long = tmp_path / "a" / "b" / "app.py"
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short.parent.mkdir(parents=True)
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long.parent.mkdir(parents=True)
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short.write_text("def place():\n return 1\n", encoding="utf-8")
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long.write_text("def place():\n return 1\n", encoding="utf-8")
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assert covered_lines(tmp_path, long, "python") == {1}
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assert covered_lines(tmp_path, short, "python") == {2}
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def test_go_profile_does_not_cross_files(tmp_path):
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profile = tmp_path / "target" / "coverage" / "go" / "coverage.out"
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profile.parent.mkdir(parents=True)
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profile.write_text(
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"mode: set\n"
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"b/widget.go:2.1,2.2 1 1\n"
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"a/b/widget.go:3.1,3.2 1 0\n",
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encoding="utf-8",
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)
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short = tmp_path / "b" / "widget.go"
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long = tmp_path / "a" / "b" / "widget.go"
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short.parent.mkdir(parents=True)
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long.parent.mkdir(parents=True)
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short.write_text("package b\nfunc Run() {}\n", encoding="utf-8")
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long.write_text("package b\nfunc Run() {}\n", encoding="utf-8")
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assert covered_lines(tmp_path, short, "go") == {2}
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assert covered_lines(tmp_path, long, "go") == set()
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profile.write_text("mode: set\na/b/widget.go:2.1,2.2 1 1\n", encoding="utf-8")
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assert covered_lines(tmp_path, short, "go") is None
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assert covered_lines(tmp_path, long, "go") == {2}
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