75일차 답 추가: 실습 정답 문서 · VIBE-A · 정답 워크플로우와 25단계 실행 기록 · tcost

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Last3Mon/75/tcost/tests/test_app.py

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+"""R8: the three tabs fill from one folder, without calling any API."""
+from textual.widgets import DataTable, TabbedContent
+
+from tcost.app import CostApp
+
+
+async def test_tabs(folder, table):
+    app = CostApp(str(folder), table)
+    async with app.run_test() as pilot:
+        await pilot.pause()
+        prompts = app.query_one("#prompt-table", DataTable)
+        assert prompts.row_count == 2 + 6                     # two prompt files + six LLM steps of two workflows
+        app.query_one(TabbedContent).active = "usage"
+        await pilot.pause()
+        assert "2 request(s)" in str(app.query_one("#usage-head").render())
+        assert "15h" in str(app.query_one("#hours").render())
+        assert app.query_one("#compare-table", DataTable).row_count == 8