Add smoke tests to fix CI

Tests: import, CLI help, snapshot analysis, JSON/HTML export.
Made-with: Cursor

Author: yanpgwang

tests/test_smoke.py

@@ -0,0 +1,49 @@
+"""Smoke tests — verify the package imports and CLI entry point work."""
+
+import json
+from pathlib import Path
+from click.testing import CliRunner
+from context_profiler.cli import main
+
+FIXTURES = Path(__file__).parent / "fixtures"
+
+
+def test_import():
+    import context_profiler
+    assert hasattr(context_profiler, "__version__")
+
+
+def test_cli_help():
+    runner = CliRunner()
+    result = runner.invoke(main, ["--help"])
+    assert result.exit_code == 0
+    assert "context-profiler" in result.output
+
+
+def test_analyze_snapshot(tmp_path):
+    snapshot = FIXTURES / "repeated_tool_calls.json"
+    runner = CliRunner()
+    result = runner.invoke(main, ["analyze", str(snapshot)])
+    assert result.exit_code == 0
+    assert "Token Distribution" in result.output
+
+
+def test_analyze_json_output(tmp_path):
+    snapshot = FIXTURES / "repeated_tool_calls.json"
+    out = tmp_path / "report.json"
+    runner = CliRunner()
+    result = runner.invoke(main, ["analyze", str(snapshot), "-o", str(out)])
+    assert result.exit_code == 0
+    assert out.exists()
+    data = json.loads(out.read_text())
+    assert "analyzers" in data
+
+
+def test_analyze_html_output(tmp_path):
+    snapshot = FIXTURES / "repeated_tool_calls.json"
+    out = tmp_path / "report.html"
+    runner = CliRunner()
+    result = runner.invoke(main, ["analyze", str(snapshot), "--html", str(out)])
+    assert result.exit_code == 0
+    assert out.exists()
+    assert "<html" in out.read_text().lower()