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"""Tests for navegador.ingestion.go — GoParser internal methods.""" |
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from unittest.mock import MagicMock, patch |
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import pytest |
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7
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from navegador.graph.schema import NodeLabel |
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10
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class MockNode: |
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_id_counter = 0 |
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def __init__(self, type_: str, text: bytes = b"", children: list = None, |
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start_byte: int = 0, end_byte: int = 0, |
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start_point: tuple = (0, 0), end_point: tuple = (0, 0), |
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parent=None): |
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MockNode._id_counter += 1 |
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self.id = MockNode._id_counter |
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self.type = type_ |
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self._text = text |
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self.children = children or [] |
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self.start_byte = start_byte |
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self.end_byte = end_byte |
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self.start_point = start_point |
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self.end_point = end_point |
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self.parent = parent |
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self._fields: dict = {} |
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for child in self.children: |
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child.parent = self |
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def child_by_field_name(self, name: str): |
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return self._fields.get(name) |
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def set_field(self, name: str, node): |
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self._fields[name] = node |
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node.parent = self |
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return self |
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def _text_node(text: bytes, type_: str = "identifier") -> MockNode: |
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return MockNode(type_, text, start_byte=0, end_byte=len(text)) |
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def _make_store(): |
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store = MagicMock() |
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store.query.return_value = MagicMock(result_set=[]) |
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return store |
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def _make_parser(): |
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from navegador.ingestion.go import GoParser |
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parser = GoParser.__new__(GoParser) |
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parser._parser = MagicMock() |
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return parser |
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class TestGoGetLanguage: |
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def test_raises_when_not_installed(self): |
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from navegador.ingestion.go import _get_go_language |
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with patch.dict("sys.modules", {"tree_sitter_go": None, "tree_sitter": None}): |
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with pytest.raises(ImportError, match="tree-sitter-go"): |
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_get_go_language() |
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64
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class TestGoNodeText: |
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def test_extracts_bytes(self): |
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from navegador.ingestion.go import _node_text |
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source = b"hello world" |
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node = MockNode("identifier", start_byte=6, end_byte=11) |
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assert _node_text(node, source) == "world" |
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class TestGoHandleFunction: |
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def test_creates_function_node(self): |
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parser = _make_parser() |
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store = _make_store() |
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source = b"func Foo() {}" |
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name = _text_node(b"Foo") |
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node = MockNode("function_declaration", start_point=(0, 0), end_point=(0, 12)) |
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node.set_field("name", name) |
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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parser._handle_function(node, source, "main.go", store, stats, receiver=None) |
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assert stats["functions"] == 1 |
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store.create_node.assert_called_once() |
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label = store.create_node.call_args[0][0] |
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assert label == NodeLabel.Function |
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def test_creates_method_when_receiver_given(self): |
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parser = _make_parser() |
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store = _make_store() |
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source = b"func (r *Repo) Save() {}" |
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name = _text_node(b"Save") |
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node = MockNode("method_declaration", start_point=(0, 0), end_point=(0, 23)) |
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node.set_field("name", name) |
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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parser._handle_function(node, source, "repo.go", store, stats, receiver="Repo") |
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label = store.create_node.call_args[0][0] |
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assert label == NodeLabel.Method |
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def test_skips_if_no_name_node(self): |
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parser = _make_parser() |
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store = _make_store() |
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node = MockNode("function_declaration", start_point=(0, 0), end_point=(0, 0)) |
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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parser._handle_function(node, b"", "main.go", store, stats, receiver=None) |
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assert stats["functions"] == 0 |
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class TestGoHandleType: |
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def test_ingests_struct(self): |
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parser = _make_parser() |
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store = _make_store() |
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source = b"type User struct {}" |
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name_node = _text_node(b"User", "type_identifier") |
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type_node = MockNode("struct_type") |
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spec = MockNode("type_spec") |
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spec.set_field("name", name_node) |
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spec.set_field("type", type_node) |
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decl = MockNode("type_declaration", children=[spec], |
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start_point=(0, 0), end_point=(0, 18)) |
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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parser._handle_type(decl, source, "main.go", store, stats) |
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assert stats["classes"] == 1 |
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assert stats["edges"] == 1 |
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def test_ingests_interface(self): |
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parser = _make_parser() |
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store = _make_store() |
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source = b"type Reader interface {}" |
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name_node = _text_node(b"Reader", "type_identifier") |
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type_node = MockNode("interface_type") |
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spec = MockNode("type_spec") |
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spec.set_field("name", name_node) |
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spec.set_field("type", type_node) |
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decl = MockNode("type_declaration", children=[spec], |
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start_point=(0, 0), end_point=(0, 23)) |
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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parser._handle_type(decl, source, "main.go", store, stats) |
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assert stats["classes"] == 1 |
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def test_skips_non_struct_interface(self): |
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parser = _make_parser() |
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store = _make_store() |
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source = b"type MyInt int" |
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name_node = _text_node(b"MyInt", "type_identifier") |
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type_node = MockNode("int") |
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spec = MockNode("type_spec") |
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spec.set_field("name", name_node) |
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spec.set_field("type", type_node) |
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decl = MockNode("type_declaration", children=[spec], |
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start_point=(0, 0), end_point=(0, 13)) |
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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parser._handle_type(decl, source, "main.go", store, stats) |
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assert stats["classes"] == 0 |
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156
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class TestGoImportSpec: |
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def test_ingests_single_import(self): |
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parser = _make_parser() |
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store = _make_store() |
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source = b'"fmt"' |
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path_node = MockNode("interpreted_string_literal", start_byte=0, end_byte=5) |
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spec = MockNode("import_spec") |
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spec.set_field("path", path_node) |
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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parser._ingest_import_spec(spec, source, "main.go", 1, store, stats) |
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assert stats["edges"] == 1 |
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store.create_node.assert_called_once() |
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def test_skips_spec_without_path(self): |
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parser = _make_parser() |
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store = _make_store() |
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spec = MockNode("import_spec") |
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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parser._ingest_import_spec(spec, b"", "main.go", 1, store, stats) |
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assert stats["edges"] == 0 |
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class TestGoExtractCalls: |
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def test_extracts_call(self): |
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parser = _make_parser() |
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store = _make_store() |
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source = b"bar" |
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callee = _text_node(b"bar") |
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call_node = MockNode("call_expression") |
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call_node.set_field("function", callee) |
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body = MockNode("block", children=[call_node]) |
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fn_node = MockNode("function_declaration") |
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fn_node.set_field("body", body) |
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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parser._extract_calls(fn_node, source, "main.go", "foo", |
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NodeLabel.Function, store, stats) |
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assert stats["edges"] == 1 |
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edge_call = store.create_edge.call_args[0] |
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assert edge_call[4]["name"] == "bar" |
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def test_no_calls_in_empty_body(self): |
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parser = _make_parser() |
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store = _make_store() |
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fn_node = MockNode("function_declaration") |
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fn_node.set_field("body", MockNode("block")) |
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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parser._extract_calls(fn_node, b"", "main.go", "foo", |
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NodeLabel.Function, store, stats) |
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assert stats["edges"] == 0 |
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class TestGoWalkDispatch: |
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def test_walk_handles_function(self): |
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parser = _make_parser() |
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store = _make_store() |
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source = b"func foo() {}" |
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name = _text_node(b"foo") |
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fn = MockNode("function_declaration", start_point=(0, 0), end_point=(0, 12)) |
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fn.set_field("name", name) |
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root = MockNode("source_file", children=[fn]) |
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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parser._walk(root, source, "main.go", store, stats) |
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assert stats["functions"] == 1 |
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def test_walk_handles_type(self): |
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parser = _make_parser() |
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store = _make_store() |
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source = b"type Foo struct {}" |
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name_node = _text_node(b"Foo", "type_identifier") |
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type_node = MockNode("struct_type") |
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spec = MockNode("type_spec") |
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spec.set_field("name", name_node) |
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spec.set_field("type", type_node) |
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decl = MockNode("type_declaration", children=[spec], |
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start_point=(0, 0), end_point=(0, 17)) |
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root = MockNode("source_file", children=[decl]) |
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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parser._walk(root, source, "main.go", store, stats) |
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assert stats["classes"] == 1 |
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237
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# ── _get_go_language happy path ─────────────────────────────────────────────── |
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class TestGoGetLanguageHappyPath: |
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def test_returns_language_object(self): |
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from navegador.ingestion.go import _get_go_language |
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mock_tsgo = MagicMock() |
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mock_ts = MagicMock() |
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with patch.dict("sys.modules", { |
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"tree_sitter_go": mock_tsgo, |
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"tree_sitter": mock_ts, |
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}): |
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result = _get_go_language() |
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assert result is mock_ts.Language.return_value |
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252
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253
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# ── GoParser init and parse_file ───────────────────────────────────────────── |
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254
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255
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class TestGoParserInit: |
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256
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def test_init_creates_parser(self): |
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257
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mock_tsgo = MagicMock() |
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mock_ts = MagicMock() |
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259
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with patch.dict("sys.modules", { |
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"tree_sitter_go": mock_tsgo, |
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"tree_sitter": mock_ts, |
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}): |
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from navegador.ingestion.go import GoParser |
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parser = GoParser() |
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assert parser._parser is mock_ts.Parser.return_value |
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267
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def test_parse_file_creates_file_node(self): |
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import tempfile |
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269
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from pathlib import Path |
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270
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271
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from navegador.graph.schema import NodeLabel |
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272
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parser = _make_parser() |
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273
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store = _make_store() |
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274
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mock_tree = MagicMock() |
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275
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mock_tree.root_node.type = "source_file" |
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mock_tree.root_node.children = [] |
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parser._parser.parse.return_value = mock_tree |
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with tempfile.NamedTemporaryFile(suffix=".go", delete=False) as f: |
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279
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f.write(b"package main\n") |
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280
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fpath = Path(f.name) |
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try: |
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parser.parse_file(fpath, fpath.parent, store) |
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store.create_node.assert_called_once() |
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284
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assert store.create_node.call_args[0][0] == NodeLabel.File |
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285
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assert store.create_node.call_args[0][1]["language"] == "go" |
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286
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finally: |
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287
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fpath.unlink() |
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288
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289
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290
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# ── _handle_method ──────────────────────────────────────────────────────────── |
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291
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292
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class TestGoHandleMethod: |
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293
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def test_extracts_value_receiver(self): |
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294
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parser = _make_parser() |
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295
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store = _make_store() |
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296
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source = b"Repo" |
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297
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type_id = MockNode("type_identifier", start_byte=0, end_byte=4) |
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298
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param_decl = MockNode("parameter_declaration", children=[type_id]) |
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299
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recv_list = MockNode("parameter_list", children=[param_decl]) |
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300
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name = _text_node(b"Save") |
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301
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node = MockNode("method_declaration", start_point=(0, 0), end_point=(0, 30)) |
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302
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node.set_field("receiver", recv_list) |
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303
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node.set_field("name", name) |
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304
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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305
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parser._handle_method(node, source, "main.go", store, stats) |
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306
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assert stats["functions"] == 1 |
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307
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label = store.create_node.call_args[0][0] |
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308
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from navegador.graph.schema import NodeLabel |
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309
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assert label == NodeLabel.Method |
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310
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311
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def test_extracts_pointer_receiver(self): |
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312
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parser = _make_parser() |
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313
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store = _make_store() |
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314
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source = b"*Repo" |
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315
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ptr_type = MockNode("pointer_type", start_byte=0, end_byte=5) |
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316
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param_decl = MockNode("parameter_declaration", children=[ptr_type]) |
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317
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recv_list = MockNode("parameter_list", children=[param_decl]) |
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318
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name = _text_node(b"Delete") |
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319
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node = MockNode("method_declaration", start_point=(0, 0), end_point=(0, 30)) |
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320
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node.set_field("receiver", recv_list) |
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321
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node.set_field("name", name) |
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322
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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323
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parser._handle_method(node, source, "main.go", store, stats) |
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324
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# pointer receiver "*Repo" → lstrip("*") → "Repo" |
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325
|
assert stats["functions"] == 1 |
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326
|
|
|
327
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def test_no_receiver_field(self): |
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328
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parser = _make_parser() |
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329
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store = _make_store() |
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330
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source = b"foo" |
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331
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name = _text_node(b"foo") |
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332
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node = MockNode("method_declaration", start_point=(0, 0), end_point=(0, 10)) |
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333
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node.set_field("name", name) |
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334
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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335
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parser._handle_method(node, source, "main.go", store, stats) |
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336
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# No receiver → treated as plain function |
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337
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assert stats["functions"] == 1 |
|
338
|
|
|
339
|
|
|
340
|
# ── _handle_import with import_spec_list ───────────────────────────────────── |
|
341
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|
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342
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class TestGoHandleImportSpecList: |
|
343
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def test_handles_grouped_imports(self): |
|
344
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parser = _make_parser() |
|
345
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store = _make_store() |
|
346
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source = b'"fmt"' |
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347
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path_node = MockNode("interpreted_string_literal", start_byte=0, end_byte=5) |
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348
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spec1 = MockNode("import_spec") |
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349
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spec1.set_field("path", path_node) |
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350
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spec_list = MockNode("import_spec_list", children=[spec1]) |
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351
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import_node = MockNode("import_declaration", |
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352
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children=[spec_list], |
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353
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start_point=(0, 0)) |
|
354
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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355
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parser._handle_import(import_node, source, "main.go", store, stats) |
|
356
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assert stats["edges"] == 1 |
|
357
|
|
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358
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359
|
# ── _walk dispatch additions ────────────────────────────────────────────────── |
|
360
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|
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361
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class TestGoWalkDispatchAdditional: |
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362
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def test_walk_handles_method_declaration(self): |
|
363
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parser = _make_parser() |
|
364
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store = _make_store() |
|
365
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source = b"Repo" |
|
366
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type_id = MockNode("type_identifier", start_byte=0, end_byte=4) |
|
367
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param_decl = MockNode("parameter_declaration", children=[type_id]) |
|
368
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recv_list = MockNode("parameter_list", children=[param_decl]) |
|
369
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name = _text_node(b"Save") |
|
370
|
method = MockNode("method_declaration", start_point=(0, 0), end_point=(0, 30)) |
|
371
|
method.set_field("receiver", recv_list) |
|
372
|
method.set_field("name", name) |
|
373
|
root = MockNode("source_file", children=[method]) |
|
374
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
375
|
parser._walk(root, source, "main.go", store, stats) |
|
376
|
assert stats["functions"] == 1 |
|
377
|
|
|
378
|
def test_walk_handles_import_declaration(self): |
|
379
|
parser = _make_parser() |
|
380
|
store = _make_store() |
|
381
|
source = b'"fmt"' |
|
382
|
path_node = MockNode("interpreted_string_literal", start_byte=0, end_byte=5) |
|
383
|
spec = MockNode("import_spec") |
|
384
|
spec.set_field("path", path_node) |
|
385
|
import_node = MockNode("import_declaration", |
|
386
|
children=[spec], |
|
387
|
start_point=(0, 0)) |
|
388
|
root = MockNode("source_file", children=[import_node]) |
|
389
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
390
|
parser._walk(root, source, "main.go", store, stats) |
|
391
|
assert stats["edges"] == 1 |
|
392
|
|
|
393
|
|
|
394
|
class TestGoHandleTypeContinueBranches: |
|
395
|
def test_skips_non_type_spec_children(self): |
|
396
|
parser = _make_parser() |
|
397
|
store = _make_store() |
|
398
|
source = b"" |
|
399
|
# Child that is not type_spec |
|
400
|
comment_child = MockNode("comment") |
|
401
|
decl = MockNode("type_declaration", children=[comment_child], |
|
402
|
start_point=(0, 0), end_point=(0, 10)) |
|
403
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
404
|
parser._handle_type(decl, source, "main.go", store, stats) |
|
405
|
assert stats["classes"] == 0 |
|
406
|
|
|
407
|
def test_skips_type_spec_without_name_or_type(self): |
|
408
|
parser = _make_parser() |
|
409
|
store = _make_store() |
|
410
|
source = b"" |
|
411
|
# type_spec with no fields set |
|
412
|
spec = MockNode("type_spec") |
|
413
|
decl = MockNode("type_declaration", children=[spec], |
|
414
|
start_point=(0, 0), end_point=(0, 10)) |
|
415
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
416
|
parser._handle_type(decl, source, "main.go", store, stats) |
|
417
|
assert stats["classes"] == 0 |
|
418
|
|