1 files changed, 81 insertions, 0 deletions
diff --git a/tools/tests/test_lint_project.py b/tools/tests/test_lint_project.py
new file mode 100644
index 0000000..be0151e
--- /dev/null
+++ b/tools/tests/test_lint_project.py
@@ -0,0 +1,81 @@
+"""Tests for tools/lint_project.py, the project policy linter."""
+
+from __future__ import annotations
+
+from pathlib import Path
+
+import lint_project as lp
+from conftest import PROJECT_ROOT
+
+GOOD_MANIFEST = "<iq:manifest><iq:permissions/></iq:manifest>\n"
+
+
+def make_project(tmp_path: Path, files: dict[str, str]) -> Path:
+    for name, text in {"manifest.xml": GOOD_MANIFEST, **files}.items():
+        path = tmp_path / name
+        path.parent.mkdir(parents=True, exist_ok=True)
+        path.write_text(text, encoding="utf-8")
+    return tmp_path
+
+
+def codes(root: Path) -> list[tuple[str, str, int]]:
+    return [(str(p.path), p.code, p.line) for p in lp.lint(root)]
+
+
+def test_clean_project_passes(tmp_path: Path) -> None:
+    root = make_project(
+        tmp_path,
+        {
+            "source/util/Diag.mc": '// Diag\nSystem.println("DIAG {}");\n',
+            "source/otp/Base32.mc": (
+                '// Base32\nconst ALPHABET = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567"; // lint: allow-literal\n'
+            ),
+            "test/T.mc": (
+                "// T\n"
+                'System.println("debug output in tests is allowed");\n'
+                'const V = "GEZDGNBVGY3TQOJQGEZDGNBVGY3TQOJQ";\n'
+            ),
+        },
+    )
+    assert codes(root) == []
+
+
+def test_each_rule_fires(tmp_path: Path) -> None:
+    root = make_project(
+        tmp_path,
+        {
+            "source/app/NoHeader.mc": "import Toybox.Lang;\n",
+            "source/app/Log.mc": '// Log\nSystem.println("secret?");\n',
+            "source/app/Todo.mc": "// Todo\nvar x = 1; // TODO finish\n",
+            "source/app/Secret.mc": (
+                '// Secret\nconst S = "JBSWY3DPEHPK3PXPJBSWY3DP";\nconst H = "0123456789abcdef0123456789abcdef";\n'
+            ),
+            "source/app/Net.mc": "// Net\nimport Toybox.Communications;\n",
+        },
+    )
+    assert codes(root) == [
+        ("source/app/Log.mc", "MC002", 2),
+        ("source/app/Net.mc", "MC005", 2),
+        ("source/app/NoHeader.mc", "MC001", 1),
+        ("source/app/Secret.mc", "MC004", 2),
+        ("source/app/Secret.mc", "MC004", 3),
+        ("source/app/Todo.mc", "MC003", 2),
+    ]
+
+
+def test_println_in_comment_is_ignored(tmp_path: Path) -> None:
+    root = make_project(tmp_path, {"source/app/A.mc": "// A\nvar a = 1; // System.println(a)\n"})
+    assert codes(root) == []
+
+
+def test_manifest_permissions_are_rejected(tmp_path: Path) -> None:
+    root = make_project(
+        tmp_path,
+        {"manifest.xml": '<iq:permissions>\n<iq:uses-permission id="Communications"/>\n</iq:permissions>\n'},
+    )
+    assert codes(root) == [("manifest.xml", "MC005", 2)]
+
+
+def test_project_passes_its_own_rules() -> None:
+    problems = lp.lint(PROJECT_ROOT)
+    assert problems == [], "\n".join(map(str, problems))