632b730fff
Systematic rename of all semantic anchors (#region, [DEF], @RELATION) across 1400+ files — backend Python, frontend Svelte/TS, specs, docs: - Flat anchors become Namespace.Module.Entity - @RELATION references updated to match new anchor paths - Zero business logic changes
57 lines
2.7 KiB
Python
57 lines
2.7 KiB
Python
# #region Test.SqlTableExtractor.Coverage [C:2] [TYPE Module] [SEMANTICS test, sql, table, extractor, coverage, edge, dead-code]
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# @BRIEF Edge coverage for sql_table_extractor.py uncovered lines:
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# Line 157: walk_tokens recursion for TokenList
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# Line 169: stmt is None continue guard
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# @RELATION BINDS_TO -> [Services.SqlTableExtractor.SqlTableExtractorModule]
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from unittest.mock import MagicMock, patch
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import pytest
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from sqlparse.sql import TokenList
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class FakeTokenList(TokenList):
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"""Minimal TokenList subclass that avoids sqlparse internal setup."""
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def __init__(self):
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self.ttype = None
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self._groupable = True
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self.tokens = []
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def flatten(self):
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return iter(self.tokens)
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class TestExtractTablesFromSqlSpanCoverage:
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"""Cover dead-code paths in extract_tables_from_sql_span."""
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# Line 169: stmt is None → continue
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# sqlparse.parse never returns None elements in practice, but code guards against it.
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# Must use SQL with schema.table match to get past the early return (line 146).
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def test_sqlparse_parse_returns_none_skipped(self):
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"""sqlparse.parse returns [None] → stmt is None skipped (line 169)."""
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with patch("src.services.sql_table_extractor.sqlparse.parse", return_value=[None]):
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from src.services.sql_table_extractor import extract_tables_from_sql_span
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# Must have schema.table match to get past line 146
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result = extract_tables_from_sql_span("SELECT * FROM raw.sales")
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# With no walk_tokens output, regex matches are not filtered by string check
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assert "raw.sales" in result
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# Line 157: walk_tokens(token.flatten(), offset) — TokenList recursion
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# Normally walk_tokens is called with stmt.flatten() which yields only leaf tokens.
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# This test forces a TokenList into the flattened output to exercise the recursive path.
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def test_walk_tokens_tokenlist_recursion(self):
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"""TokenList in flattened output → recursive walk_tokens call (line 157)."""
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# Use a concrete TokenList subclass
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fake_tl = FakeTokenList()
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# Create a mock statement whose flatten() yields the TokenList
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stmt_mock = MagicMock()
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stmt_mock.flatten.return_value = [fake_tl]
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with patch("src.services.sql_table_extractor.sqlparse.parse", return_value=[stmt_mock]):
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from src.services.sql_table_extractor import extract_tables_from_sql_span
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# Must have schema.table match to get past line 146
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result = extract_tables_from_sql_span("SELECT * FROM raw.sales")
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# No string literal ranges → raw.sales should be in result
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assert "raw.sales" in result
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# #endregion Test.SqlTableExtractor.Coverage
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