Function TestExtractMetadata

pkg/cbinding/cbinding_test.go:164–213

(t *testing.T)

}

func TestExtractMetadata(t *testing.T) {
	tree, err := gosqlx.Parse("SELECT u.name, COUNT(*) FROM users u GROUP BY u.name")
	if err != nil {
		t.Fatalf("parse failed: %v", err)
	}

	metadata := gosqlx.ExtractMetadata(tree)
	if metadata == nil {
		t.Fatal("expected non-nil metadata")
	}

	// Check tables
	tableSet := make(map[string]bool)
	for _, tbl := range metadata.Tables {
		tableSet[tbl] = true
	}
	if !tableSet["users"] {
		t.Errorf("expected 'users' in tables, got: %v", metadata.Tables)
	}

	// Check columns
	colSet := make(map[string]bool)
	for _, col := range metadata.Columns {
		colSet[col] = true
	}
	if !colSet["name"] {
		t.Errorf("expected 'name' in columns, got: %v", metadata.Columns)
	}

	// Check functions
	funcSet := make(map[string]bool)
	for _, fn := range metadata.Functions {
		funcSet[fn] = true
	}
	if !funcSet["COUNT"] {
		t.Errorf("expected 'COUNT' in functions, got: %v", metadata.Functions)
	}

	// Check qualified columns contain table qualifier
	foundQualified := false
	for _, qc := range metadata.ColumnsQualified {
		if qc.Table == "u" && qc.Name == "name" {
			foundQualified = true
			break
		}
	}
	if !foundQualified {
		t.Errorf("expected qualified column u.name, got: %v", metadata.ColumnsQualified)
	}
}

// ---------------------------------------------------------------------------
// JSON serialization tests for the C binding structs