Function test_ShareableEntity

tests/unit/test_algebraic_expression.c:1191–1461

}

void test_ShareableEntity() {
	const char *q =
		"MATCH (p:Person)-[ef:friend]->(f:Person) MATCH (f:Person)-[ev:visit]->(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 == 1);

	AlgebraicExpression *expected[8];
	expected[0] = AlgebraicExpression_FromString("p*F*f*V*c*W*e", _matrices);
	compare_algebraic_expressions(actual, expected, 1);

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

	exp_count = 0;
	q = "MATCH (p:Person)-[ef:friend]->(f:Person) MATCH (f:Person)<-[ev:visit]-(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 == 1);

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

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

	exp_count = 0;
	q = "MATCH (p:Person)-[ef:friend]->(f:Person) MATCH (f:Person)-[ev:visit]->(c:City) MATCH (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 == 1);

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

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

	exp_count = 0;
	q = "MATCH (a:Person)-[:friend]->(f:Person) MATCH (b:Person)-[:friend]->(f:Person) RETURN a,b";
	actual = build_algebraic_expression(q, &master_ast);
	exp_count = array_len(actual);
	TEST_ASSERT(exp_count == 1);

	expected[0] = AlgebraicExpression_FromString("p*F*p*tF*p", _matrices);
	compare_algebraic_expressions(actual, expected, 1);

	// Clean up.