mirror of
https://github.com/unclebob/crapper.git
synced 2026-11-06 18:13:50 +00:00
Robert C. Martin
9f1bead298
A path in a built-in coverage command is one argument, a failed custom coverage command does not read a stale report, and git failures exit with git's status. The Clojure reader honors discards, metadata, and character literals. Long functions are split so every score is under 10 except the option switch.
102 lines
3.0 KiB
Python
102 lines
3.0 KiB
Python
from pathlib import Path
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from crapper.languages.rust import _file_modules, functions_in_source
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SOURCE = """
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pub fn choose(x: i32) -> i32 {
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if x > 0 && x < 10 {
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return 1;
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}
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match x {
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1 => 1,
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2 => 2,
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_ => 0,
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}
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}
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impl Sample {
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pub fn run(&self) -> i32 {
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if self.ok { 1 } else { 0 }
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}
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}
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impl Trait for Sample {
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fn draw(&mut self) {}
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}
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mod tests {
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fn hidden() {
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if true {}
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}
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}
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fn outer() {
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fn inner() {
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if true {}
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}
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}
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"""
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def test_functions_methods_and_skipped_tests(tmp_path):
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(tmp_path / "Cargo.toml").write_text(
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'[package]\nname = "demo-game"\nversion = "0.1.0"\n',
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encoding="utf-8",
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)
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path = tmp_path / "src" / "lib.rs"
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path.parent.mkdir()
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path.write_text(SOURCE, encoding="utf-8")
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functions = functions_in_source(SOURCE, "src/lib.rs", str(tmp_path))
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assert [(fn.namespace, fn.name, fn.complexity) for fn in functions] == [
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("demo_game", "choose", 6),
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("demo_game::Sample", "run", 2),
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("demo_game::Sample", "draw", 1),
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("demo_game", "outer", 2),
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]
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def test_impl_for_a_nested_generic_type(tmp_path):
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(tmp_path / "Cargo.toml").write_text(
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'[package]\nname = "demo"\nversion = "0.1.0"\n',
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encoding="utf-8",
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)
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source = "impl Trait for Vec<crate::Sample> {\n fn draw(&self) {}\n}\n"
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functions = functions_in_source(source, str(tmp_path / "src" / "lib.rs"), str(tmp_path))
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assert functions[0].name == "draw"
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assert functions[0].namespace.endswith("Vec") or "Sample" in functions[0].namespace
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def test_module_paths_outside_the_usual_layout(tmp_path):
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(tmp_path / "Cargo.toml").write_text(
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'[package]\nname = "demo"\nversion = "0.1.0"\n',
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encoding="utf-8",
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)
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mod = "pub fn open() {}\n"
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binary = "pub fn main_ok() {}\n"
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functions_in_source(mod, str(tmp_path / "src" / "game" / "mod.rs"), str(tmp_path))
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functions = functions_in_source(binary, str(tmp_path / "src" / "bin" / "tool.rs"), str(tmp_path))
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assert functions[0].namespace == "tool"
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outside = functions_in_source("pub fn loose() {}\n", "/tmp/loose.rs", str(tmp_path))
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assert outside[0].name == "loose"
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bare = functions_in_source("pub fn bare() {}\n", str(tmp_path / "notes.rs"), None)
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assert bare[0].name == "bare"
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def test_a_file_outside_the_crate_root_uses_the_crate_name():
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assert _file_modules("/tmp/loose.rs", "demo", Path("/projects/demo")) == ["demo"]
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def test_nested_module_path(tmp_path):
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(tmp_path / "Cargo.toml").write_text(
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'[package]\nname = "demo"\nversion = "0.1.0"\n',
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encoding="utf-8",
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)
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path = tmp_path / "src" / "game" / "board.rs"
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path.parent.mkdir(parents=True)
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source = "pub fn place() -> i32 { if ready { 1 } else { 0 } }\n"
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path.write_text(source, encoding="utf-8")
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functions = functions_in_source(source, "src/game/board.rs", str(tmp_path))
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assert [(fn.namespace, fn.name, fn.complexity) for fn in functions] == [
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("demo::game::board", "place", 2)
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]
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