test: add basic test suite for fojin_bridge, skill_writer, verify_sources (P1)

31 tests across 3 modules; all HTTP calls mocked, no real API dependencies.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

tests/test_fojin_bridge.py

@@ -0,0 +1,89 @@
+"""Tests for fojin_bridge.py — uses mocked HTTP, no real API calls."""
+
+import pytest
+from unittest.mock import MagicMock, patch
+from fojin_bridge import FojinBridge, FojinUnavailableError, create_bridge
+import requests
+
+
+@pytest.fixture
+def bridge():
+    return FojinBridge(mode="api", base_url="https://fojin.app")
+
+
+def test_bridge_init_defaults():
+    b = FojinBridge()
+    assert b.mode == "api"
+    assert b.base_url == "https://fojin.app"
+
+
+def test_bridge_init_strips_trailing_slash():
+    b = FojinBridge(base_url="https://fojin.app/")
+    assert b.base_url == "https://fojin.app"
+
+
+def test_search_texts_basic(bridge):
+    mock_response = MagicMock()
+    mock_response.json.return_value = {"total": 1, "results": [{"id": 1}]}
+    mock_response.raise_for_status = MagicMock()
+    with patch.object(bridge.session, "get", return_value=mock_response) as mock_get:
+        result = bridge.search_texts("般若")
+        assert result["total"] == 1
+        mock_get.assert_called_once()
+        call_args = mock_get.call_args
+        assert "q" in call_args.kwargs["params"]
+        assert call_args.kwargs["params"]["q"] == "般若"
+
+
+def test_search_texts_with_filters(bridge):
+    mock_response = MagicMock()
+    mock_response.json.return_value = {"total": 0, "results": []}
+    mock_response.raise_for_status = MagicMock()
+    with patch.object(bridge.session, "get", return_value=mock_response) as mock_get:
+        bridge.search_texts("禅", sources="cbeta", lang="lzh", page=2, size=50)
+        params = mock_get.call_args.kwargs["params"]
+        assert params["sources"] == "cbeta"
+        assert params["lang"] == "lzh"
+        assert params["page"] == 2
+        assert params["size"] == 50
+
+
+def test_get_text_content(bridge):
+    mock_response = MagicMock()
+    mock_response.json.return_value = {"content": "test content", "juan_num": 1}
+    mock_response.raise_for_status = MagicMock()
+    with patch.object(bridge.session, "get", return_value=mock_response):
+        result = bridge.get_text_content(123, 1)
+        assert result["content"] == "test content"
+
+
+def test_search_kg_entities(bridge):
+    mock_response = MagicMock()
+    mock_response.json.return_value = {"total": 1, "results": [{"id": 456, "name_zh": "玄奘"}]}
+    mock_response.raise_for_status = MagicMock()
+    with patch.object(bridge.session, "get", return_value=mock_response):
+        result = bridge.search_kg_entities("玄奘", entity_type="person")
+        assert result["results"][0]["name_zh"] == "玄奘"
+
+
+def test_fojin_unavailable_on_connection_error(bridge):
+    with patch.object(bridge.session, "get", side_effect=requests.ConnectionError("test")):
+        with pytest.raises(FojinUnavailableError):
+            bridge.search_texts("test")
+
+
+def test_fojin_unavailable_on_timeout(bridge):
+    with patch.object(bridge.session, "get", side_effect=requests.Timeout("test")):
+        with pytest.raises(FojinUnavailableError):
+            bridge.get_text(123)
+
+
+def test_test_connection_returns_false_on_failure(bridge):
+    with patch.object(bridge.session, "get", side_effect=requests.ConnectionError("test")):
+        assert bridge.test_connection() is False
+
+
+def test_create_bridge_from_env(monkeypatch):
+    monkeypatch.setenv("FOJIN_URL", "https://custom.fojin.test")
+    b = create_bridge()
+    assert b.base_url == "https://custom.fojin.test"