add files

scripts/test_validate_workspace.py

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+"""validate_workspace.py discovery tests."""
+
+import os
+import sys
+from pathlib import Path
+
+import validate_workspace as vw
+
+
+def test_env_commands_override_project_discovery(monkeypatch, tmp_path):
+    monkeypatch.setenv("HARNESS_VALIDATION_COMMANDS", "echo one\n\n echo two ")
+
+    assert vw.discover_commands(tmp_path) == ["echo one", "echo two"]
+
+
+def test_npm_commands_take_precedence_over_python_defaults(monkeypatch, tmp_path):
+    monkeypatch.delenv("HARNESS_VALIDATION_COMMANDS", raising=False)
+    (tmp_path / "package.json").write_text(
+        '{"scripts": {"lint": "eslint .", "build": "vite build", "test": "vitest"}}',
+        encoding="utf-8",
+    )
+    scripts = tmp_path / "scripts"
+    scripts.mkdir()
+    (scripts / "validate_workspace.py").write_text("print('ok')", encoding="utf-8")
+
+    assert vw.discover_commands(tmp_path) == [
+        "npm run lint",
+        "npm run build",
+        "npm run test",
+    ]
+
+
+def test_python_defaults_use_repo_local_conda_venv(monkeypatch, tmp_path):
+    monkeypatch.delenv("HARNESS_VALIDATION_COMMANDS", raising=False)
+    (tmp_path / "venv").mkdir()
+    python = tmp_path / "venv" / "python.exe"
+    python.write_text("", encoding="utf-8")
+    scripts = tmp_path / "scripts"
+    scripts.mkdir()
+    (scripts / "execute.py").write_text("print('execute')", encoding="utf-8")
+    (scripts / "validate_workspace.py").write_text("print('validate')", encoding="utf-8")
+    (scripts / "test_execute.py").write_text("def test_ok(): assert True", encoding="utf-8")
+
+    commands = vw.discover_commands(tmp_path)
+
+    assert commands == [
+        f'"{python}" -m py_compile scripts\\execute.py scripts\\validate_workspace.py',
+        f'"{python}" -m pytest scripts\\test_execute.py',
+    ]
+
+
+def test_python_defaults_fall_back_to_current_interpreter(monkeypatch, tmp_path):
+    monkeypatch.delenv("HARNESS_VALIDATION_COMMANDS", raising=False)
+    scripts = tmp_path / "scripts"
+    scripts.mkdir()
+    (scripts / "validate_workspace.py").write_text("print('validate')", encoding="utf-8")
+
+    commands = vw.discover_commands(tmp_path)
+
+    assert commands == [
+        f'"{Path(sys.executable)}" -m py_compile scripts\\validate_workspace.py',
+    ]
+
+
+def test_python_defaults_include_tests_directory(monkeypatch, tmp_path):
+    monkeypatch.delenv("HARNESS_VALIDATION_COMMANDS", raising=False)
+    scripts = tmp_path / "scripts"
+    scripts.mkdir()
+    (scripts / "validate_workspace.py").write_text("print('validate')", encoding="utf-8")
+    tests = tmp_path / "tests"
+    tests.mkdir()
+    (tests / "test_placeholder.py").write_text("def test_ok(): assert True", encoding="utf-8")
+
+    commands = vw.discover_commands(tmp_path)
+
+    assert commands == [
+        f'"{Path(sys.executable)}" -m py_compile scripts\\validate_workspace.py',
+        f'"{Path(sys.executable)}" -m pytest tests',
+    ]
+
+
+def test_no_commands_without_known_project_files(monkeypatch, tmp_path):
+    monkeypatch.delenv("HARNESS_VALIDATION_COMMANDS", raising=False)
+
+    assert vw.discover_commands(tmp_path) == []
+
+
+def test_run_command_executes_from_root(tmp_path):
+    result = vw.run_command(f'"{Path(sys.executable)}" -c "import os; print(os.getcwd())"', tmp_path)
+
+    assert result.returncode == 0
+    assert os.fspath(tmp_path) in result.stdout.strip()