test_backend_server.py
15.2 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
"""U-007 tests: backend process start/stop, c_pick_folder route (osascript
mocked at the subprocess boundary), and the zero-third-party-dependency
constraint (05 §5.7) checked statically via AST, not just trusted.
Run: python3 -m unittest src.test_backend_server -v
"""
import ast
import http.client
import json
import os
import shutil
import subprocess
import sys
import tempfile
import threading
import unittest
from unittest.mock import patch
from src import backend_server
class ServerStartStopTest(unittest.TestCase):
def test_can_start_serve_and_stop(self):
# deliberately hits an unrelated route, not /api/system/pick-folder --
# that one would pop a real, unmocked osascript dialog on this machine
# and hang waiting for a human who isn't there.
server = backend_server.create_server(db_path=":memory:")
thread = threading.Thread(target=server.serve_forever, daemon=True)
thread.start()
try:
host, port = server.server_address
conn = http.client.HTTPConnection(host, port, timeout=5)
conn.request("POST", "/api/does-not-exist", body=b"{}")
resp = conn.getresponse()
resp.read()
conn.close()
self.assertEqual(resp.status, 404)
finally:
server.shutdown()
server.server_close()
thread.join(timeout=5)
self.assertFalse(thread.is_alive())
def test_unknown_route_returns_404(self):
server = backend_server.create_server(db_path=":memory:")
thread = threading.Thread(target=server.serve_forever, daemon=True)
thread.start()
try:
host, port = server.server_address
conn = http.client.HTTPConnection(host, port, timeout=5)
conn.request("POST", "/api/does-not-exist")
resp = conn.getresponse()
body = json.loads(resp.read())
conn.close()
self.assertEqual(resp.status, 404)
self.assertEqual(body["error"], "NOT_FOUND")
finally:
server.shutdown()
server.server_close()
thread.join(timeout=5)
class StaticFileServingTest(unittest.TestCase):
"""U-008: frontend shell served as static files. Actual client-side
routing behavior was verified in a real browser this session (nav
highlighting + content swap across all 3 routes, no page reload) --
that's not something a stdlib-only test can exercise without a JS
engine, so this only covers what the server is responsible for."""
def setUp(self):
self.server = backend_server.create_server(db_path=":memory:")
self.thread = threading.Thread(target=self.server.serve_forever, daemon=True)
self.thread.start()
def tearDown(self):
self.server.shutdown()
self.server.server_close()
self.thread.join(timeout=5)
def _get(self, path):
host, port = self.server.server_address
conn = http.client.HTTPConnection(host, port, timeout=5)
conn.request("GET", path)
resp = conn.getresponse()
body = resp.read()
content_type = resp.getheader("Content-Type")
conn.close()
return resp.status, content_type, body
def test_root_serves_index_html(self):
status, content_type, body = self._get("/")
self.assertEqual(status, 200)
self.assertIn("text/html", content_type)
self.assertIn(b"<main id=\"app\">", body)
self.assertIn(b'href="#/tasks"', body)
def test_app_js_served_with_js_content_type(self):
status, content_type, body = self._get("/app.js")
self.assertEqual(status, 200)
self.assertIn("javascript", content_type)
self.assertIn(b"hashchange", body)
self.assertIn(b'"#/tasks"', body)
self.assertIn(b'"#/settings"', body)
def test_style_css_served_with_css_content_type(self):
status, content_type, body = self._get("/style.css")
self.assertEqual(status, 200)
self.assertIn("text/css", content_type)
def test_unknown_get_path_returns_404(self):
status, _, body = self._get("/nope")
self.assertEqual(status, 404)
self.assertEqual(json.loads(body)["error"], "NOT_FOUND")
class PickFolderTest(unittest.TestCase):
def test_success_returns_selected_path(self):
with patch("src.backend_server.platform.system", return_value="Darwin"), \
patch("src.backend_server.subprocess.run") as run:
run.return_value = subprocess.CompletedProcess(
args=["osascript"], returncode=0, stdout="/Users/x/some-project\n", stderr=""
)
result = backend_server.pick_folder()
self.assertEqual(result, {"selected_path": "/Users/x/some-project"})
def test_user_cancel_returns_null_path_not_an_error(self):
with patch("src.backend_server.platform.system", return_value="Darwin"), \
patch("src.backend_server.subprocess.run") as run:
run.return_value = subprocess.CompletedProcess(
args=["osascript"], returncode=1, stdout="",
stderr="execution error: User canceled. (-128)",
)
result = backend_server.pick_folder()
self.assertEqual(result, {"selected_path": None})
def test_osascript_failure_other_than_cancel_raises_dialog_unavailable(self):
with patch("src.backend_server.platform.system", return_value="Darwin"), \
patch("src.backend_server.subprocess.run") as run:
run.return_value = subprocess.CompletedProcess(
args=["osascript"], returncode=1, stdout="", stderr="some other AppleScript error",
)
with self.assertRaises(backend_server.DialogUnavailableError):
backend_server.pick_folder()
def test_windows_success_returns_selected_path(self):
with patch("src.backend_server.platform.system", return_value="Windows"), \
patch("src.backend_server.subprocess.run") as run:
run.return_value = subprocess.CompletedProcess(
args=["powershell"], returncode=0, stdout="C:\\Users\\x\\some-project\r\n", stderr=""
)
result = backend_server.pick_folder()
self.assertEqual(result, {"selected_path": "C:\\Users\\x\\some-project"})
def test_windows_user_cancel_returns_null_path(self):
with patch("src.backend_server.platform.system", return_value="Windows"), \
patch("src.backend_server.subprocess.run") as run:
run.return_value = subprocess.CompletedProcess(
args=["powershell"], returncode=0, stdout="", stderr=""
)
result = backend_server.pick_folder()
self.assertEqual(result, {"selected_path": None})
def test_windows_missing_powershell_raises_dialog_unavailable(self):
with patch("src.backend_server.platform.system", return_value="Windows"), \
patch("src.backend_server.subprocess.run", side_effect=FileNotFoundError("no powershell")):
with self.assertRaises(backend_server.DialogUnavailableError):
backend_server.pick_folder()
def test_linux_zenity_success_returns_selected_path(self):
with patch("src.backend_server.platform.system", return_value="Linux"), \
patch("src.backend_server.subprocess.run") as run:
run.return_value = subprocess.CompletedProcess(
args=["zenity"], returncode=0, stdout="/home/x/some-project\n", stderr=""
)
result = backend_server.pick_folder()
self.assertEqual(result, {"selected_path": "/home/x/some-project"})
run.assert_called_once()
self.assertEqual(run.call_args[0][0][0], "zenity")
def test_linux_zenity_cancel_returns_null_path(self):
with patch("src.backend_server.platform.system", return_value="Linux"), \
patch("src.backend_server.subprocess.run") as run:
run.return_value = subprocess.CompletedProcess(
args=["zenity"], returncode=1, stdout="", stderr=""
)
result = backend_server.pick_folder()
self.assertEqual(result, {"selected_path": None})
def test_linux_falls_back_to_kdialog_when_zenity_missing(self):
with patch("src.backend_server.platform.system", return_value="Linux"), \
patch("src.backend_server.subprocess.run") as run:
run.side_effect = [
FileNotFoundError("no zenity"),
subprocess.CompletedProcess(args=["kdialog"], returncode=0, stdout="/home/x/proj\n", stderr=""),
]
result = backend_server.pick_folder()
self.assertEqual(result, {"selected_path": "/home/x/proj"})
self.assertEqual(run.call_count, 2)
def test_linux_neither_zenity_nor_kdialog_raises_dialog_unavailable(self):
with patch("src.backend_server.platform.system", return_value="Linux"), \
patch("src.backend_server.subprocess.run", side_effect=FileNotFoundError("not found")):
with self.assertRaises(backend_server.DialogUnavailableError):
backend_server.pick_folder()
class PickFolderRouteTest(unittest.TestCase):
def setUp(self):
self.server = backend_server.create_server(db_path=":memory:")
self.thread = threading.Thread(target=self.server.serve_forever, daemon=True)
self.thread.start()
def tearDown(self):
self.server.shutdown()
self.server.server_close()
self.thread.join(timeout=5)
def _post(self, path):
host, port = self.server.server_address
conn = http.client.HTTPConnection(host, port, timeout=5)
conn.request("POST", path, body=b"{}")
resp = conn.getresponse()
body = json.loads(resp.read())
conn.close()
return resp.status, body
def test_route_returns_selected_path_on_success(self):
with patch("src.backend_server.platform.system", return_value="Darwin"), \
patch("src.backend_server.subprocess.run") as run:
run.return_value = subprocess.CompletedProcess(
args=["osascript"], returncode=0, stdout="/tmp/chosen\n", stderr=""
)
status, body = self._post("/api/system/pick-folder")
self.assertEqual(status, 200)
self.assertEqual(body, {"selected_path": "/tmp/chosen"})
def test_route_returns_422_dialog_unavailable_when_no_dialog_tool_present(self):
with patch("src.backend_server.platform.system", return_value="Linux"), \
patch("src.backend_server.subprocess.run", side_effect=FileNotFoundError("not found")):
status, body = self._post("/api/system/pick-folder")
self.assertEqual(status, 422)
self.assertEqual(body["error"], "DIALOG_UNAVAILABLE")
class ProjectCreateRouteTest(unittest.TestCase):
"""c_project_create (03-C §3.0) wired to a real HTTP route for the first
time in U-022 -- project_scaffold.create_project() itself was already
fully implemented and tested in U-002, so this only exercises the
request/response/error-code plumbing, not the scaffolding logic again."""
def setUp(self):
self.tmp = tempfile.TemporaryDirectory()
self.addCleanup(self.tmp.cleanup)
subprocess.run(["git", "init"], cwd=self.tmp.name, check=True, capture_output=True)
self.server = backend_server.create_server(db_path=":memory:")
self.thread = threading.Thread(target=self.server.serve_forever, daemon=True)
self.thread.start()
def tearDown(self):
self.server.shutdown()
self.server.server_close()
self.thread.join(timeout=5)
def _post(self, path, payload):
host, port = self.server.server_address
conn = http.client.HTTPConnection(host, port, timeout=5)
conn.request("POST", path, body=json.dumps(payload).encode("utf-8"))
resp = conn.getresponse()
body = json.loads(resp.read())
conn.close()
return resp.status, body
def test_creates_project_for_existing_git_repo(self):
status, body = self._post("/api/projects", {"target_folder_path": self.tmp.name})
self.assertEqual(status, 200)
self.assertTrue(body["has_git_repo"])
self.assertTrue(body["graphlemon_subdir_initialized"])
self.assertTrue(os.path.isdir(os.path.join(self.tmp.name, ".graphlemon")))
def test_repeat_call_is_idempotent(self):
status1, body1 = self._post("/api/projects", {"target_folder_path": self.tmp.name})
status2, body2 = self._post("/api/projects", {"target_folder_path": self.tmp.name})
self.assertEqual(status1, 200)
self.assertEqual(status2, 200)
self.assertEqual(body1["project_id"], body2["project_id"])
def test_missing_target_folder_path_returns_400(self):
status, body = self._post("/api/projects", {})
self.assertEqual(status, 400)
self.assertEqual(body["error"], "INVALID_INPUT")
def test_nonexistent_path_returns_404(self):
status, body = self._post("/api/projects", {"target_folder_path": "/no/such/path/at/all"})
self.assertEqual(status, 404)
self.assertEqual(body["error"], "PATH_NOT_FOUND")
def test_non_git_folder_without_confirmation_returns_409(self):
non_git = tempfile.mkdtemp()
self.addCleanup(lambda: shutil.rmtree(non_git, ignore_errors=True))
status, body = self._post("/api/projects", {"target_folder_path": non_git})
self.assertEqual(status, 409)
self.assertEqual(body["error"], "GIT_INIT_DECLINED")
def test_non_git_folder_with_confirmation_initializes_git(self):
non_git = tempfile.mkdtemp()
self.addCleanup(lambda: shutil.rmtree(non_git, ignore_errors=True))
status, body = self._post(
"/api/projects", {"target_folder_path": non_git, "init_git_if_missing": True}
)
self.assertEqual(status, 200)
self.assertTrue(body["has_git_repo"])
self.assertTrue(os.path.isdir(os.path.join(non_git, ".git")))
class ZeroThirdPartyDependencyTest(unittest.TestCase):
"""05 §5.7: no Flask/FastAPI/Express/Node.js -- checked statically so this
doesn't silently rot if someone adds an import later."""
def test_backend_server_only_imports_stdlib(self):
path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "backend_server.py")
with open(path, encoding="utf-8") as f:
tree = ast.parse(f.read(), filename=path)
top_level_names = set()
for node in ast.walk(tree):
if isinstance(node, ast.Import):
for alias in node.names:
top_level_names.add(alias.name.split(".")[0])
elif isinstance(node, ast.ImportFrom) and node.module and node.level == 0:
top_level_names.add(node.module.split(".")[0])
self.assertTrue(top_level_names, "expected at least one import to check")
# "src" is graphlemon's own package (e.g. project_scaffold/schema/paths,
# wired in U-022) -- not a third-party dependency, so it's allowed;
# everything else must be in the standard library.
non_stdlib = {name for name in top_level_names if name not in sys.stdlib_module_names and name != "src"}
self.assertEqual(non_stdlib, set(), "non-stdlib imports found: {}".format(non_stdlib))
if __name__ == "__main__":
unittest.main()