Function test_VariableLength

tests/unit/test_algebraic_expression.c:1463–1500

}

void test_VariableLength() {
	const char *q =
		"MATCH (p:Person)-[ef:friend]->(f:Person)-[:visit*1..3]->(c:City)-[ew:war]->(e:City) RETURN p,e";
	AST *master_ast;
	AlgebraicExpression **actual = build_algebraic_expression(q, &master_ast);
	uint exp_count = array_len(actual);
	TEST_ASSERT(exp_count == 3);

	AlgebraicExpression *expected[3];
	expected[0] = AlgebraicExpression_FromString("p*F*f", _matrices);
	expected[1] = AlgebraicExpression_FromString("V", _matrices);
	expected[2] = AlgebraicExpression_FromString("c*W*e", _matrices);
	compare_algebraic_expressions(actual, expected, 3);

	// Clean up.
	free_algebraic_expressions(actual, exp_count);
	free_algebraic_expressions(expected, exp_count);
	array_free(actual);
	AST_Free(master_ast);

	// Transposed variable length.
	exp_count = 0;
	q = "MATCH (p:Person)-[ef:friend]->(f:Person)<-[:visit*1..3]-(c:City)-[ew:war]->(e:City) RETURN p,e";
	actual = build_algebraic_expression(q, &master_ast);
	exp_count = array_len(actual);
	TEST_ASSERT(exp_count == 3);

	expected[0] = AlgebraicExpression_FromString("p*F*f", _matrices);
	expected[1] = AlgebraicExpression_FromString("tV", _matrices);
	expected[2] = AlgebraicExpression_FromString("c*W*e", _matrices);
	compare_algebraic_expressions(actual, expected, 3);

	// Clean up.
	free_algebraic_expressions(actual, exp_count);
	free_algebraic_expressions(expected, exp_count);
	array_free(actual);
	AST_Free(master_ast);
}

void test_ExpressionExecute() {
	GraphContext *gc = QueryCtx_GetGraphCtx();