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"""Tests for navegador.ingestion.hcl — HCLParser internal methods.""" |
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from unittest.mock import MagicMock, patch |
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import pytest |
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from navegador.graph.schema import EdgeType, NodeLabel |
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class MockNode: |
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_id_counter = 0 |
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def __init__( |
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self, |
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type_: str, |
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text: bytes = b"", |
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children: list = None, |
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start_byte: int = 0, |
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end_byte: int = 0, |
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start_point: tuple = (0, 0), |
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end_point: tuple = (0, 0), |
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parent=None, |
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): |
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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.hcl import HCLParser |
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parser = HCLParser.__new__(HCLParser) |
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parser._parser = MagicMock() |
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return parser |
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class TestHCLGetLanguage: |
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def test_raises_when_not_installed(self): |
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from navegador.ingestion.hcl import _get_hcl_language |
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with patch.dict( |
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"sys.modules", |
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{ |
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"tree_sitter_hcl": None, |
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"tree_sitter": None, |
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}, |
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): |
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with pytest.raises(ImportError, match="tree-sitter-hcl"): |
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_get_hcl_language() |
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def test_returns_language_object(self): |
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from navegador.ingestion.hcl import _get_hcl_language |
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mock_tshcl = MagicMock() |
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mock_ts = MagicMock() |
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with patch.dict( |
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"sys.modules", |
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{ |
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"tree_sitter_hcl": mock_tshcl, |
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"tree_sitter": mock_ts, |
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}, |
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): |
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result = _get_hcl_language() |
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assert result is mock_ts.Language.return_value |
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class TestHCLNodeText: |
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def test_extracts_bytes(self): |
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from navegador.ingestion.hcl import _node_text |
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source = b'resource "aws_instance" "web" {}' |
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node = MockNode("identifier", start_byte=10, end_byte=22) |
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assert _node_text(node, source) == "aws_instance" |
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class TestHCLHandleResource: |
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def test_creates_class_node_with_semantic_type(self): |
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parser = _make_parser() |
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store = _make_store() |
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source = b'resource "aws_instance" "web" {}' |
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node = MockNode( |
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"block", |
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start_point=(0, 0), |
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end_point=(0, 30), |
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) |
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labels = ["aws_instance", "web"] |
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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parser._handle_resource(node, source, "main.tf", store, stats, labels, None) |
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assert stats["classes"] == 1 |
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assert stats["edges"] == 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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props = store.create_node.call_args[0][1] |
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assert label == NodeLabel.Class |
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assert props["name"] == "aws_instance.web" |
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assert props["semantic_type"] == "terraform_resource" |
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def test_extracts_references_from_body(self): |
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parser = _make_parser() |
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store = _make_store() |
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source = b"var.region" |
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body = MockNode("body", start_byte=0, end_byte=10) |
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node = MockNode( |
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"block", |
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start_point=(0, 0), |
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end_point=(0, 30), |
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) |
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labels = ["aws_instance", "web"] |
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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parser._handle_resource(node, source, "main.tf", store, stats, labels, body) |
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# 1 CONTAINS edge + 1 REFERENCES edge from var.region |
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assert stats["edges"] == 2 |
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class TestHCLHandleVariable: |
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def test_creates_variable_node(self): |
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parser = _make_parser() |
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store = _make_store() |
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source = b'variable "region" {}' |
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node = MockNode( |
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"block", |
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start_point=(0, 0), |
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end_point=(0, 19), |
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) |
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labels = ["region"] |
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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parser._handle_variable(node, source, "vars.tf", store, stats, labels, None) |
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assert stats["functions"] == 1 |
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assert stats["edges"] == 1 |
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label = store.create_node.call_args[0][0] |
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props = store.create_node.call_args[0][1] |
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assert label == NodeLabel.Variable |
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assert props["name"] == "region" |
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assert props["semantic_type"] == "terraform_variable" |
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class TestHCLHandleModule: |
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def test_creates_module_node(self): |
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parser = _make_parser() |
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store = _make_store() |
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source = b'module "vpc" {}' |
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node = MockNode( |
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"block", |
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start_point=(0, 0), |
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end_point=(0, 14), |
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) |
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labels = ["vpc"] |
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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parser._handle_module(node, source, "main.tf", store, stats, labels, None) |
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assert stats["classes"] == 1 |
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assert stats["edges"] == 1 |
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label = store.create_node.call_args[0][0] |
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props = store.create_node.call_args[0][1] |
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assert label == NodeLabel.Module |
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assert props["name"] == "vpc" |
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assert props["semantic_type"] == "terraform_module" |
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def test_extracts_source_attribute(self): |
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parser = _make_parser() |
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store = _make_store() |
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full_src = b"source./modules/vpc" |
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ident_node = MockNode( |
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"identifier", |
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start_byte=0, |
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end_byte=6, |
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) |
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expr_node = MockNode( |
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"expression", |
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start_byte=6, |
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end_byte=19, |
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) |
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expr_node.is_named = True |
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attr_node = MockNode( |
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"attribute", |
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children=[ident_node, expr_node], |
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) |
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body_node = MockNode("body", children=[attr_node]) |
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node = MockNode( |
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"block", |
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start_point=(0, 0), |
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end_point=(0, 30), |
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) |
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labels = ["vpc"] |
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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parser._handle_module(node, full_src, "main.tf", store, stats, labels, body_node) |
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props = store.create_node.call_args[0][1] |
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assert props["source"] == "./modules/vpc" |
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class TestHCLHandleOutput: |
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def test_creates_variable_node(self): |
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parser = _make_parser() |
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store = _make_store() |
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source = b'output "vpc_id" {}' |
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node = MockNode( |
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"block", |
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start_point=(0, 0), |
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end_point=(0, 17), |
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) |
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labels = ["vpc_id"] |
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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parser._handle_output(node, source, "outputs.tf", store, stats, labels, None) |
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assert stats["functions"] == 1 |
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assert stats["edges"] == 1 |
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label = store.create_node.call_args[0][0] |
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props = store.create_node.call_args[0][1] |
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assert label == NodeLabel.Variable |
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assert props["semantic_type"] == "terraform_output" |
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def test_extracts_references_from_body(self): |
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parser = _make_parser() |
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store = _make_store() |
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source = b"module.vpc" |
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body = MockNode("body", start_byte=0, end_byte=10) |
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node = MockNode( |
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"block", |
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start_point=(0, 0), |
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end_point=(0, 17), |
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) |
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labels = ["vpc_id"] |
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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parser._handle_output(node, source, "outputs.tf", store, stats, labels, body) |
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# 1 CONTAINS + 1 REFERENCES (module.vpc) |
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assert stats["edges"] == 2 |
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class TestHCLHandleProvider: |
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def test_creates_class_node(self): |
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parser = _make_parser() |
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store = _make_store() |
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source = b'provider "aws" {}' |
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node = MockNode( |
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"block", |
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start_point=(0, 0), |
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end_point=(0, 16), |
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) |
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labels = ["aws"] |
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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parser._handle_provider(node, source, "provider.tf", store, stats, labels, None) |
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assert stats["classes"] == 1 |
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assert stats["edges"] == 1 |
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label = store.create_node.call_args[0][0] |
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props = store.create_node.call_args[0][1] |
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assert label == NodeLabel.Class |
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assert props["name"] == "aws" |
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assert props["semantic_type"] == "terraform_provider" |
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276
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277
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class TestHCLHandleLocals: |
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def test_creates_variable_nodes(self): |
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parser = _make_parser() |
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store = _make_store() |
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source = b"region" |
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ident = MockNode( |
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"identifier", |
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start_byte=0, |
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285
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end_byte=6, |
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) |
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attr = MockNode( |
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"attribute", |
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children=[ident], |
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290
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start_point=(1, 0), |
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291
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end_point=(1, 20), |
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) |
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body = MockNode("body", children=[attr]) |
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294
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node = MockNode( |
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"block", |
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296
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start_point=(0, 0), |
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297
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end_point=(2, 1), |
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298
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) |
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299
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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parser._handle_locals(node, source, "locals.tf", store, stats, body) |
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301
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assert stats["functions"] == 1 |
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302
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assert stats["edges"] >= 1 |
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303
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label = store.create_node.call_args[0][0] |
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props = store.create_node.call_args[0][1] |
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305
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assert label == NodeLabel.Variable |
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306
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assert props["semantic_type"] == "terraform_local" |
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307
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308
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def test_skips_when_no_body(self): |
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309
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parser = _make_parser() |
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310
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store = _make_store() |
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311
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node = MockNode("block", start_point=(0, 0), end_point=(0, 5)) |
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312
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stats = {"functions": 0, "classes": 0, "edges": 0} |
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parser._handle_locals(node, b"", "locals.tf", store, stats, None) |
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314
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assert stats["functions"] == 0 |
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315
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store.create_node.assert_not_called() |
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316
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317
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318
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class TestHCLWalkDispatch: |
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319
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def test_walk_dispatches_block_in_body(self): |
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320
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parser = _make_parser() |
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321
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store = _make_store() |
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322
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# Build: root > body > block(variable "region") |
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323
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source = b'variable "region" {}' |
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324
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ident = MockNode( |
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325
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"identifier", |
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326
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start_byte=0, |
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327
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end_byte=8, |
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328
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) |
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329
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string_lit_inner = MockNode( |
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330
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"template_literal", |
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331
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start_byte=10, |
|
332
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end_byte=16, |
|
333
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) |
|
334
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string_lit = MockNode( |
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335
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"string_lit", |
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336
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children=[string_lit_inner], |
|
337
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start_byte=9, |
|
338
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end_byte=17, |
|
339
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) |
|
340
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block = MockNode( |
|
341
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"block", |
|
342
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children=[ident, string_lit], |
|
343
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start_point=(0, 0), |
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344
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end_point=(0, 19), |
|
345
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) |
|
346
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body = MockNode("body", children=[block]) |
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347
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root = MockNode("config_file", children=[body]) |
|
348
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stats = {"functions": 0, "classes": 0, "edges": 0} |
|
349
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parser._walk(root, source, "vars.tf", store, stats) |
|
350
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assert stats["functions"] == 1 |
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351
|
|
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352
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def test_walk_dispatches_top_level_block(self): |
|
353
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parser = _make_parser() |
|
354
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store = _make_store() |
|
355
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source = b'provider "aws" {}' |
|
356
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ident = MockNode( |
|
357
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"identifier", |
|
358
|
start_byte=0, |
|
359
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end_byte=8, |
|
360
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) |
|
361
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string_lit_inner = MockNode( |
|
362
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"template_literal", |
|
363
|
start_byte=10, |
|
364
|
end_byte=13, |
|
365
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) |
|
366
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string_lit = MockNode( |
|
367
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"string_lit", |
|
368
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children=[string_lit_inner], |
|
369
|
start_byte=9, |
|
370
|
end_byte=14, |
|
371
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) |
|
372
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block = MockNode( |
|
373
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"block", |
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374
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children=[ident, string_lit], |
|
375
|
start_point=(0, 0), |
|
376
|
end_point=(0, 16), |
|
377
|
) |
|
378
|
root = MockNode("config_file", children=[block]) |
|
379
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
380
|
parser._walk(root, source, "main.tf", store, stats) |
|
381
|
assert stats["classes"] == 1 |
|
382
|
|
|
383
|
|
|
384
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class TestHCLExtractReferences: |
|
385
|
def test_finds_var_reference(self): |
|
386
|
parser = _make_parser() |
|
387
|
store = _make_store() |
|
388
|
source = b"var.region" |
|
389
|
node = MockNode("body", start_byte=0, end_byte=10) |
|
390
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
391
|
parser._extract_references( |
|
392
|
node, |
|
393
|
source, |
|
394
|
"main.tf", |
|
395
|
"aws_instance.web", |
|
396
|
NodeLabel.Class, |
|
397
|
store, |
|
398
|
stats, |
|
399
|
) |
|
400
|
assert stats["edges"] == 1 |
|
401
|
edge_call = store.create_edge.call_args[0] |
|
402
|
assert edge_call[2] == EdgeType.REFERENCES |
|
403
|
assert edge_call[4]["name"] == "region" |
|
404
|
|
|
405
|
def test_finds_resource_reference(self): |
|
406
|
parser = _make_parser() |
|
407
|
store = _make_store() |
|
408
|
source = b"aws_security_group.default" |
|
409
|
node = MockNode("body", start_byte=0, end_byte=25) |
|
410
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
411
|
parser._extract_references( |
|
412
|
node, |
|
413
|
source, |
|
414
|
"main.tf", |
|
415
|
"aws_instance.web", |
|
416
|
NodeLabel.Class, |
|
417
|
store, |
|
418
|
stats, |
|
419
|
) |
|
420
|
assert stats["edges"] == 1 |
|
421
|
edge_call = store.create_edge.call_args[0] |
|
422
|
assert edge_call[2] == EdgeType.DEPENDS_ON |
|
423
|
|
|
424
|
def test_finds_local_reference(self): |
|
425
|
parser = _make_parser() |
|
426
|
store = _make_store() |
|
427
|
source = b"local.common_tags" |
|
428
|
node = MockNode("body", start_byte=0, end_byte=17) |
|
429
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
430
|
parser._extract_references( |
|
431
|
node, |
|
432
|
source, |
|
433
|
"main.tf", |
|
434
|
"aws_instance.web", |
|
435
|
NodeLabel.Class, |
|
436
|
store, |
|
437
|
stats, |
|
438
|
) |
|
439
|
assert stats["edges"] == 1 |
|
440
|
|
|
441
|
def test_finds_module_reference(self): |
|
442
|
parser = _make_parser() |
|
443
|
store = _make_store() |
|
444
|
source = b"module.vpc" |
|
445
|
node = MockNode("body", start_byte=0, end_byte=10) |
|
446
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
447
|
parser._extract_references( |
|
448
|
node, |
|
449
|
source, |
|
450
|
"main.tf", |
|
451
|
"output_vpc", |
|
452
|
NodeLabel.Variable, |
|
453
|
store, |
|
454
|
stats, |
|
455
|
) |
|
456
|
assert stats["edges"] == 1 |
|
457
|
edge_call = store.create_edge.call_args[0] |
|
458
|
assert edge_call[3] == NodeLabel.Module |
|
459
|
|
|
460
|
def test_finds_data_reference(self): |
|
461
|
parser = _make_parser() |
|
462
|
store = _make_store() |
|
463
|
source = b"data.http.myip" |
|
464
|
node = MockNode("body", start_byte=0, end_byte=14) |
|
465
|
stats = {"functions": 0, "classes": 0, "edges": 0} |
|
466
|
parser._extract_references( |
|
467
|
node, |
|
468
|
source, |
|
469
|
"main.tf", |
|
470
|
"aws_instance.web", |
|
471
|
NodeLabel.Class, |
|
472
|
store, |
|
473
|
stats, |
|
474
|
) |
|
475
|
assert stats["edges"] == 1 |
|
476
|
edge_call = store.create_edge.call_args[0] |
|
477
|
assert edge_call[2] == EdgeType.DEPENDS_ON |
|
478
|
assert edge_call[4]["name"] == "http.myip" |
|
479
|
|
|
480
|
|
|
481
|
class TestHCLParseFile: |
|
482
|
def test_creates_file_node(self): |
|
483
|
import tempfile |
|
484
|
from pathlib import Path |
|
485
|
|
|
486
|
parser = _make_parser() |
|
487
|
store = _make_store() |
|
488
|
mock_tree = MagicMock() |
|
489
|
mock_tree.root_node.type = "config_file" |
|
490
|
mock_tree.root_node.children = [] |
|
491
|
parser._parser.parse.return_value = mock_tree |
|
492
|
with tempfile.NamedTemporaryFile(suffix=".tf", delete=False) as f: |
|
493
|
f.write(b'resource "aws_instance" "web" {}\n') |
|
494
|
fpath = Path(f.name) |
|
495
|
try: |
|
496
|
parser.parse_file(fpath, fpath.parent, store) |
|
497
|
store.create_node.assert_called_once() |
|
498
|
label = store.create_node.call_args[0][0] |
|
499
|
props = store.create_node.call_args[0][1] |
|
500
|
assert label == NodeLabel.File |
|
501
|
assert props["language"] == "hcl" |
|
502
|
finally: |
|
503
|
fpath.unlink() |
|
504
|
|