|
1
|
"""Tests for navegador.ingestion.java — JavaParser internal methods.""" |
|
2
|
|
|
3
|
from unittest.mock import MagicMock, patch |
|
4
|
|
|
5
|
import pytest |
|
6
|
|
|
7
|
from navegador.graph.schema import NodeLabel |
|
8
|
|
|
9
|
|
|
10
|
class MockNode: |
|
11
|
_id_counter = 0 |
|
12
|
|
|
13
|
def __init__(self, type_: str, text: bytes = b"", children: list = None, |
|
14
|
start_byte: int = 0, end_byte: int = 0, |
|
15
|
start_point: tuple = (0, 0), end_point: tuple = (0, 0), |
|
16
|
parent=None): |
|
17
|
MockNode._id_counter += 1 |
|
18
|
self.id = MockNode._id_counter |
|
19
|
self.type = type_ |
|
20
|
self.children = children or [] |
|
21
|
self.start_byte = start_byte |
|
22
|
self.end_byte = end_byte |
|
23
|
self.start_point = start_point |
|
24
|
self.end_point = end_point |
|
25
|
self.parent = parent |
|
26
|
self._fields: dict = {} |
|
27
|
for child in self.children: |
|
28
|
child.parent = self |
|
29
|
|
|
30
|
def child_by_field_name(self, name: str): |
|
31
|
return self._fields.get(name) |
|
32
|
|
|
33
|
def set_field(self, name: str, node): |
|
34
|
self._fields[name] = node |
|
35
|
node.parent = self |
|
36
|
return self |
|
37
|
|
|
38
|
|
|
39
|
def _text_node(text: bytes, type_: str = "identifier") -> MockNode: |
|
40
|
return MockNode(type_, text, start_byte=0, end_byte=len(text)) |
|
41
|
|
|
42
|
|
|
43
|
def _make_store(): |
|
44
|
store = MagicMock() |
|
45
|
store.query.return_value = MagicMock(result_set=[]) |
|
46
|
return store |
|
47
|
|
|
48
|
|
|
49
|
def _make_parser(): |
|
50
|
from navegador.ingestion.java import JavaParser |
|
51
|
parser = JavaParser.__new__(JavaParser) |
|
52
|
parser._parser = MagicMock() |
|
53
|
return parser |
|
54
|
|
|
55
|
|
|
56
|
class TestJavaGetLanguage: |
|
57
|
def test_raises_when_not_installed(self): |
|
58
|
from navegador.ingestion.java import _get_java_language |
|
59
|
with patch.dict("sys.modules", {"tree_sitter_java": None, "tree_sitter": None}): |
|
60
|
with pytest.raises(ImportError, match="tree-sitter-java"): |
|
61
|
_get_java_language() |
|
62
|
|
|
63
|
|
|
64
|
class TestJavaNodeText: |
|
65
|
def test_extracts_bytes(self): |
|
66
|
from navegador.ingestion.java import _node_text |
|
67
|
source = b"class Foo {}" |
|
68
|
node = MockNode("identifier", start_byte=6, end_byte=9) |
|
69
|
assert _node_text(node, source) == "Foo" |
|
70
|
|
|
71
|
|
|
72
|
class TestJavadoc: |
|
73
|
def test_extracts_javadoc(self): |
|
74
|
from navegador.ingestion.java import _javadoc |
|
75
|
source = b"/** My class */\nclass Foo {}" |
|
76
|
comment = MockNode("block_comment", start_byte=0, end_byte=15) |
|
77
|
cls_node = MockNode("class_declaration", start_byte=16, end_byte=28) |
|
78
|
_parent = MockNode("program", children=[comment, cls_node]) |
|
79
|
result = _javadoc(cls_node, source) |
|
80
|
assert "My class" in result |
|
81
|
|
|
82
|
def test_ignores_regular_block_comment(self): |
|
83
|
from navegador.ingestion.java import _javadoc |
|
84
|
source = b"/* regular */\nclass Foo {}" |
|
85
|
comment = MockNode("block_comment", start_byte=0, end_byte=13) |
|
86
|
cls_node = MockNode("class_declaration", start_byte=14, end_byte=26) |
|
87
|
MockNode("program", children=[comment, cls_node]) |
|
88
|
result = _javadoc(cls_node, source) |
|
89
|
assert result == "" |
|
90
|
|
|
91
|
|
|
92
|
class TestJavaHandleClass: |
|
93
|
def test_creates_class_node(self): |
|
94
|
parser = _make_parser() |
|
95
|
store = _make_store() |
|
96
|
source = b"class Foo {}" |
|
97
|
name_node = _text_node(b"Foo") |
|
98
|
body = MockNode("class_body") |
|
99
|
node = MockNode("class_declaration", start_point=(0, 0), end_point=(0, 11)) |
|
100
|
node.set_field("name", name_node) |
|
101
|
node.set_field("body", body) |
|
102
|
_parent = MockNode("program", children=[node]) |
|
103
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
104
|
parser._handle_class(node, source, "Foo.java", store, stats) |
|
105
|
assert stats["classes"] == 1 |
|
106
|
label = store.create_node.call_args[0][0] |
|
107
|
assert label == NodeLabel.Class |
|
108
|
|
|
109
|
def test_creates_inherits_edge(self): |
|
110
|
parser = _make_parser() |
|
111
|
store = _make_store() |
|
112
|
source = b"class Child extends Parent {}" |
|
113
|
name_node = _text_node(b"Child") |
|
114
|
parent_id = _text_node(b"Parent", "type_identifier") |
|
115
|
superclass = MockNode("superclass", children=[parent_id]) |
|
116
|
body = MockNode("class_body") |
|
117
|
node = MockNode("class_declaration", start_point=(0, 0), end_point=(0, 28)) |
|
118
|
node.set_field("name", name_node) |
|
119
|
node.set_field("superclass", superclass) |
|
120
|
node.set_field("body", body) |
|
121
|
MockNode("program", children=[node]) |
|
122
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
123
|
parser._handle_class(node, source, "Child.java", store, stats) |
|
124
|
# Should have CONTAINS edge + INHERITS edge |
|
125
|
assert stats["edges"] == 2 |
|
126
|
|
|
127
|
def test_ingests_methods_in_body(self): |
|
128
|
parser = _make_parser() |
|
129
|
store = _make_store() |
|
130
|
source = b"class Foo { void bar() {} }" |
|
131
|
name_node = _text_node(b"Foo") |
|
132
|
method_name = _text_node(b"bar") |
|
133
|
method_body = MockNode("block") |
|
134
|
method = MockNode("method_declaration", start_point=(1, 2), end_point=(1, 14)) |
|
135
|
method.set_field("name", method_name) |
|
136
|
method.set_field("body", method_body) |
|
137
|
body = MockNode("class_body", children=[method]) |
|
138
|
node = MockNode("class_declaration", start_point=(0, 0), end_point=(0, 26)) |
|
139
|
node.set_field("name", name_node) |
|
140
|
node.set_field("body", body) |
|
141
|
MockNode("program", children=[node]) |
|
142
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
143
|
parser._handle_class(node, source, "Foo.java", store, stats) |
|
144
|
assert stats["functions"] == 1 |
|
145
|
|
|
146
|
def test_skips_if_no_name(self): |
|
147
|
parser = _make_parser() |
|
148
|
store = _make_store() |
|
149
|
node = MockNode("class_declaration") |
|
150
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
151
|
parser._handle_class(node, b"", "X.java", store, stats) |
|
152
|
assert stats["classes"] == 0 |
|
153
|
|
|
154
|
|
|
155
|
class TestJavaHandleInterface: |
|
156
|
def test_creates_interface_node(self): |
|
157
|
parser = _make_parser() |
|
158
|
store = _make_store() |
|
159
|
source = b"interface Saveable {}" |
|
160
|
name_node = _text_node(b"Saveable") |
|
161
|
body = MockNode("interface_body") |
|
162
|
node = MockNode("interface_declaration", start_point=(0, 0), end_point=(0, 20)) |
|
163
|
node.set_field("name", name_node) |
|
164
|
node.set_field("body", body) |
|
165
|
MockNode("program", children=[node]) |
|
166
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
167
|
parser._handle_interface(node, source, "Saveable.java", store, stats) |
|
168
|
assert stats["classes"] == 1 |
|
169
|
props = store.create_node.call_args[0][1] |
|
170
|
assert "interface" in props.get("docstring", "") |
|
171
|
|
|
172
|
def test_skips_if_no_name(self): |
|
173
|
parser = _make_parser() |
|
174
|
store = _make_store() |
|
175
|
node = MockNode("interface_declaration") |
|
176
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
177
|
parser._handle_interface(node, b"", "X.java", store, stats) |
|
178
|
assert stats["classes"] == 0 |
|
179
|
|
|
180
|
|
|
181
|
class TestJavaHandleMethod: |
|
182
|
def test_creates_method_node(self): |
|
183
|
parser = _make_parser() |
|
184
|
store = _make_store() |
|
185
|
source = b"void save() {}" |
|
186
|
name_node = _text_node(b"save") |
|
187
|
body = MockNode("block") |
|
188
|
node = MockNode("method_declaration", start_point=(0, 0), end_point=(0, 13)) |
|
189
|
node.set_field("name", name_node) |
|
190
|
node.set_field("body", body) |
|
191
|
MockNode("class_body", children=[node]) |
|
192
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
193
|
parser._handle_method(node, source, "Foo.java", store, stats, class_name="Foo") |
|
194
|
assert stats["functions"] == 1 |
|
195
|
label = store.create_node.call_args[0][0] |
|
196
|
assert label == NodeLabel.Method |
|
197
|
|
|
198
|
def test_skips_if_no_name(self): |
|
199
|
parser = _make_parser() |
|
200
|
store = _make_store() |
|
201
|
node = MockNode("method_declaration") |
|
202
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
203
|
parser._handle_method(node, b"", "X.java", store, stats, class_name="X") |
|
204
|
assert stats["functions"] == 0 |
|
205
|
|
|
206
|
|
|
207
|
class TestJavaHandleImport: |
|
208
|
def test_ingests_import(self): |
|
209
|
parser = _make_parser() |
|
210
|
store = _make_store() |
|
211
|
source = b"import java.util.List;" |
|
212
|
node = MockNode("import_declaration", start_byte=0, end_byte=22, |
|
213
|
start_point=(0, 0)) |
|
214
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
215
|
parser._handle_import(node, source, "Foo.java", store, stats) |
|
216
|
assert stats["edges"] == 1 |
|
217
|
props = store.create_node.call_args[0][1] |
|
218
|
assert "java.util.List" in props["name"] |
|
219
|
|
|
220
|
def test_handles_static_import(self): |
|
221
|
parser = _make_parser() |
|
222
|
store = _make_store() |
|
223
|
source = b"import static java.util.Collections.sort;" |
|
224
|
node = MockNode("import_declaration", start_byte=0, end_byte=41, |
|
225
|
start_point=(0, 0)) |
|
226
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
227
|
parser._handle_import(node, source, "Foo.java", store, stats) |
|
228
|
assert stats["edges"] == 1 |
|
229
|
|
|
230
|
|
|
231
|
class TestJavaExtractCalls: |
|
232
|
def test_extracts_method_invocation(self): |
|
233
|
parser = _make_parser() |
|
234
|
store = _make_store() |
|
235
|
source = b"bar" |
|
236
|
callee = _text_node(b"bar") |
|
237
|
invocation = MockNode("method_invocation") |
|
238
|
invocation.set_field("name", callee) |
|
239
|
body = MockNode("block", children=[invocation]) |
|
240
|
node = MockNode("method_declaration") |
|
241
|
node.set_field("body", body) |
|
242
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
243
|
parser._extract_calls(node, source, "Foo.java", "foo", store, stats) |
|
244
|
assert stats["edges"] == 1 |
|
245
|
edge_call = store.create_edge.call_args[0] |
|
246
|
assert edge_call[4]["name"] == "bar" |
|
247
|
|
|
248
|
def test_no_calls_in_empty_body(self): |
|
249
|
parser = _make_parser() |
|
250
|
store = _make_store() |
|
251
|
node = MockNode("method_declaration") |
|
252
|
node.set_field("body", MockNode("block")) |
|
253
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
254
|
parser._extract_calls(node, b"", "X.java", "foo", store, stats) |
|
255
|
assert stats["edges"] == 0 |
|
256
|
|
|
257
|
|
|
258
|
# ── _get_java_language happy path ───────────────────────────────────────────── |
|
259
|
|
|
260
|
class TestJavaGetLanguageHappyPath: |
|
261
|
def test_returns_language_object(self): |
|
262
|
from navegador.ingestion.java import _get_java_language |
|
263
|
mock_tsjava = MagicMock() |
|
264
|
mock_ts = MagicMock() |
|
265
|
with patch.dict("sys.modules", { |
|
266
|
"tree_sitter_java": mock_tsjava, |
|
267
|
"tree_sitter": mock_ts, |
|
268
|
}): |
|
269
|
result = _get_java_language() |
|
270
|
assert result is mock_ts.Language.return_value |
|
271
|
|
|
272
|
|
|
273
|
# ── JavaParser init and parse_file ─────────────────────────────────────────── |
|
274
|
|
|
275
|
class TestJavaParserInit: |
|
276
|
def test_init_creates_parser(self): |
|
277
|
mock_tsjava = MagicMock() |
|
278
|
mock_ts = MagicMock() |
|
279
|
with patch.dict("sys.modules", { |
|
280
|
"tree_sitter_java": mock_tsjava, |
|
281
|
"tree_sitter": mock_ts, |
|
282
|
}): |
|
283
|
from navegador.ingestion.java import JavaParser |
|
284
|
parser = JavaParser() |
|
285
|
assert parser._parser is mock_ts.Parser.return_value |
|
286
|
|
|
287
|
def test_parse_file_creates_file_node(self): |
|
288
|
import tempfile |
|
289
|
from pathlib import Path |
|
290
|
|
|
291
|
from navegador.graph.schema import NodeLabel |
|
292
|
parser = _make_parser() |
|
293
|
store = _make_store() |
|
294
|
mock_tree = MagicMock() |
|
295
|
mock_tree.root_node.type = "program" |
|
296
|
mock_tree.root_node.children = [] |
|
297
|
parser._parser.parse.return_value = mock_tree |
|
298
|
with tempfile.NamedTemporaryFile(suffix=".java", delete=False) as f: |
|
299
|
f.write(b"class Foo {}\n") |
|
300
|
fpath = Path(f.name) |
|
301
|
try: |
|
302
|
parser.parse_file(fpath, fpath.parent, store) |
|
303
|
store.create_node.assert_called_once() |
|
304
|
assert store.create_node.call_args[0][0] == NodeLabel.File |
|
305
|
assert store.create_node.call_args[0][1]["language"] == "java" |
|
306
|
finally: |
|
307
|
fpath.unlink() |
|
308
|
|
|
309
|
|
|
310
|
# ── _walk dispatch ──────────────────────────────────────────────────────────── |
|
311
|
|
|
312
|
class TestJavaWalkDispatch: |
|
313
|
def test_walk_handles_class_declaration(self): |
|
314
|
parser = _make_parser() |
|
315
|
store = _make_store() |
|
316
|
source = b"Foo" |
|
317
|
name = _text_node(b"Foo") |
|
318
|
body = MockNode("class_body", children=[]) |
|
319
|
node = MockNode("class_declaration", start_point=(0, 0), end_point=(0, 10)) |
|
320
|
node.set_field("name", name) |
|
321
|
node.set_field("body", body) |
|
322
|
root = MockNode("program", children=[node]) |
|
323
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
324
|
parser._walk(root, source, "Foo.java", store, stats, class_name=None) |
|
325
|
assert stats["classes"] == 1 |
|
326
|
|
|
327
|
def test_walk_handles_interface_declaration(self): |
|
328
|
parser = _make_parser() |
|
329
|
store = _make_store() |
|
330
|
source = b"Readable" |
|
331
|
name = _text_node(b"Readable") |
|
332
|
body = MockNode("interface_body", children=[]) |
|
333
|
node = MockNode("interface_declaration", start_point=(0, 0), end_point=(0, 20)) |
|
334
|
node.set_field("name", name) |
|
335
|
node.set_field("body", body) |
|
336
|
root = MockNode("program", children=[node]) |
|
337
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
338
|
parser._walk(root, source, "R.java", store, stats, class_name=None) |
|
339
|
assert stats["classes"] == 1 |
|
340
|
|
|
341
|
def test_walk_handles_import_declaration(self): |
|
342
|
parser = _make_parser() |
|
343
|
store = _make_store() |
|
344
|
source = b"import java.util.List;" |
|
345
|
node = MockNode("import_declaration", start_byte=0, end_byte=22, |
|
346
|
start_point=(0, 0)) |
|
347
|
root = MockNode("program", children=[node]) |
|
348
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
349
|
parser._walk(root, source, "Foo.java", store, stats, class_name=None) |
|
350
|
assert stats["edges"] == 1 |
|
351
|
|
|
352
|
def test_walk_recurses_into_children(self): |
|
353
|
parser = _make_parser() |
|
354
|
store = _make_store() |
|
355
|
source = b"import java.util.List;" |
|
356
|
import_node = MockNode("import_declaration", start_byte=0, end_byte=22, |
|
357
|
start_point=(0, 0)) |
|
358
|
wrapper = MockNode("block", children=[import_node]) |
|
359
|
root = MockNode("program", children=[wrapper]) |
|
360
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
361
|
parser._walk(root, source, "Foo.java", store, stats, class_name=None) |
|
362
|
assert stats["edges"] == 1 |
|
363
|
|
|
364
|
|
|
365
|
# ── _handle_class nested inner class ───────────────────────────────────────── |
|
366
|
|
|
367
|
class TestJavaHandleClassNested: |
|
368
|
def test_ingests_nested_inner_class(self): |
|
369
|
parser = _make_parser() |
|
370
|
store = _make_store() |
|
371
|
source = b"Inner" |
|
372
|
outer_name = _text_node(b"Outer") |
|
373
|
inner_name = _text_node(b"Inner") |
|
374
|
inner_class = MockNode("class_declaration", |
|
375
|
start_point=(1, 4), end_point=(3, 4)) |
|
376
|
inner_class.set_field("name", inner_name) |
|
377
|
body = MockNode("class_body", children=[inner_class]) |
|
378
|
outer_class = MockNode("class_declaration", |
|
379
|
start_point=(0, 0), end_point=(4, 0)) |
|
380
|
outer_class.set_field("name", outer_name) |
|
381
|
outer_class.set_field("body", body) |
|
382
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
383
|
parser._handle_class(outer_class, source, "Outer.java", store, stats) |
|
384
|
# outer + inner class both registered |
|
385
|
assert stats["classes"] == 2 |
|
386
|
assert stats["edges"] == 2 # CONTAINS(File→Outer) + CONTAINS(Outer→Inner) |
|
387
|
|
|
388
|
|
|
389
|
# ── _handle_interface with method body ─────────────────────────────────────── |
|
390
|
|
|
391
|
class TestJavaHandleInterfaceWithMethods: |
|
392
|
def test_walks_methods_in_interface_body(self): |
|
393
|
parser = _make_parser() |
|
394
|
store = _make_store() |
|
395
|
source = b"read" |
|
396
|
iface_name = _text_node(b"Readable") |
|
397
|
method_name = _text_node(b"read") |
|
398
|
method = MockNode("method_declaration", |
|
399
|
start_point=(1, 4), end_point=(1, 20)) |
|
400
|
method.set_field("name", method_name) |
|
401
|
body = MockNode("interface_body", children=[method]) |
|
402
|
iface = MockNode("interface_declaration", |
|
403
|
start_point=(0, 0), end_point=(2, 0)) |
|
404
|
iface.set_field("name", iface_name) |
|
405
|
iface.set_field("body", body) |
|
406
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
407
|
parser._handle_interface(iface, source, "R.java", store, stats) |
|
408
|
# interface node + method node |
|
409
|
assert stats["classes"] == 1 |
|
410
|
assert stats["functions"] == 1 |
|
411
|
|