green_crdt/version3/test1.cpp

215 lines
6.0 KiB
C++

#define EXTRA_ASSERTS 1
#include <green_crdt/v3/list.hpp>
#include <numeric>
#include <random>
#include <iostream>
#include <cassert>
#include <string_view>
#include <vector>
// single letter actor, for testing only
using Actor = char;
using ListType = GreenCRDT::V3::List<char, Actor>;
namespace std {
bool operator==(const std::vector<char>& lhs, const std::string_view& rhs) {
if (lhs.size() != rhs.size()) {
return false;
}
for (size_t i = 0; i < rhs.size(); i++) {
if (lhs[i] != rhs[i]) {
return false;
}
}
return true;
}
} // namespace std
void testSingle1(void) {
ListType list;
assert(list.add({'A', 0}, 'a', std::nullopt, std::nullopt));
assert(list.add({'A', 1}, 'b', ListType::ListID{'A', 0u}, std::nullopt));
assert(list.getArray() == "ab");
}
void testConcurrent1(void) {
// agent_a < agent_b
// concurrent insert of first element
{ // variant 1, a then b
ListType list;
assert(list.add({'A', 0}, 'a', std::nullopt, std::nullopt));
assert(list.add({'B', 0}, 'b', std::nullopt, std::nullopt));
assert(list.getArray() == "ab");
}
{ // variant 2, b then a
ListType list;
assert(list.add({'B', 0}, 'b', std::nullopt, std::nullopt));
assert(list.add({'A', 0}, 'a', std::nullopt, std::nullopt));
assert(list.getArray() == "ab");
}
}
struct AddOp {
ListType::ListID id;
char value;
std::optional<ListType::ListID> parent_left;
std::optional<ListType::ListID> parent_right;
};
void randomAddPermutations(const std::vector<AddOp>& ops, const std::string& expected) {
// TODO: more then 1k?
for (size_t i = 0; i < 1000; i++) {
std::minstd_rand rng(1337 + i);
std::vector<size_t> ops_todo(ops.size());
std::iota(ops_todo.begin(), ops_todo.end(), 0u);
size_t attempts {0};
ListType list;
do {
size_t idx = rng() % ops_todo.size();
if (list.add(ops[ops_todo[idx]].id, ops[ops_todo[idx]].value, ops[ops_todo[idx]].parent_left, ops[ops_todo[idx]].parent_right)) {
// only remove if it was possible -> returned true;
ops_todo.erase(ops_todo.begin()+idx);
}
attempts++;
assert(attempts < 10'000); // in case we run into an endless loop
} while (!ops_todo.empty());
assert(list.getArray() == expected);
}
}
void testInterleave1(void) {
const std::vector<AddOp> ops {
{{'A', 0u}, 'a', std::nullopt, std::nullopt},
{{'A', 1u}, 'a', ListType::ListID{'A', 0u}, std::nullopt},
{{'A', 2u}, 'a', ListType::ListID{'A', 1u}, std::nullopt},
{{'B', 0u}, 'b', std::nullopt, std::nullopt},
{{'B', 1u}, 'b', ListType::ListID{'B', 0u}, std::nullopt},
{{'B', 2u}, 'b', ListType::ListID{'B', 1u}, std::nullopt},
};
randomAddPermutations(ops, "aaabbb");
}
void testInterleave2(void) {
const std::vector<AddOp> ops {
{{'A', 0u}, 'a', std::nullopt, std::nullopt},
{{'A', 1u}, 'a', std::nullopt, ListType::ListID{'A', 0u}},
{{'A', 2u}, 'a', std::nullopt, ListType::ListID{'A', 1u}},
{{'B', 0u}, 'b', std::nullopt, std::nullopt},
{{'B', 1u}, 'b', std::nullopt, ListType::ListID{'B', 0u}},
{{'B', 2u}, 'b', std::nullopt, ListType::ListID{'B', 1u}},
};
randomAddPermutations(ops, "aaabbb");
}
void testConcurrent2(void) {
const std::vector<AddOp> ops {
{{'A', 0u}, 'a', std::nullopt, std::nullopt},
{{'C', 0u}, 'c', std::nullopt, std::nullopt},
{{'B', 0u}, 'b', std::nullopt, std::nullopt},
{{'D', 0u}, 'd', ListType::ListID{'A', 0u}, ListType::ListID{'C', 0u}},
};
randomAddPermutations(ops, "adbc");
}
void testMain1(void) {
ListType list;
static_assert('0' < '1');
const std::vector<AddOp> a0_ops {
{{'0', 0u}, 'a', std::nullopt, std::nullopt},
{{'0', 1u}, 'b', ListType::ListID{'0', 0u}, std::nullopt},
{{'0', 2u}, 'c', ListType::ListID{'0', 1u}, std::nullopt},
{{'0', 3u}, 'd', ListType::ListID{'0', 1u}, ListType::ListID{'0', 2u}},
};
const std::vector<AddOp> a1_ops {
// knows of a0 up to {a0, 1}
{{'1', 0u}, 'z', ListType::ListID{'0', 0u}, ListType::ListID{'0', 1u}},
{{'1', 1u}, 'y', ListType::ListID{'0', 1u}, std::nullopt},
};
{ // the ez, in order stuff
// a0 insert first char, 'a', since its the first, we dont have any parents
assert(list.add(a0_ops[0].id, a0_ops[0].value, a0_ops[0].parent_left, a0_ops[0].parent_right));
assert(list.getArray() == "a");
// a0 insert secound char, 'b' after 'a', no parents to right
assert(list.add(a0_ops[1].id, a0_ops[1].value, a0_ops[1].parent_left, a0_ops[1].parent_right));
assert(list.getArray() == "ab");
// a0 insert 'c' after 'b', no parents to right
assert(list.add(a0_ops[2].id, a0_ops[2].value, a0_ops[2].parent_left, a0_ops[2].parent_right));
assert(list.getArray() == "abc");
// a0 insert 'd' after 'b', 'c' parent right
assert(list.add(a0_ops[3].id, a0_ops[3].value, a0_ops[3].parent_left, a0_ops[3].parent_right));
assert(list.getArray() == "abdc");
// a1 insert 'z' after 'a', 'b' parent right
assert(list.add(a1_ops[0].id, a1_ops[0].value, a1_ops[0].parent_left, a1_ops[0].parent_right));
assert(list.getArray() == "azbdc");
}
std::cout << "done with ez\n";
{ // a1 was not uptodate only had 0,1 of a0
// a1 insert 'y' after 'b', no parent right
assert(list.add(a1_ops[1].id, a1_ops[1].value, a1_ops[1].parent_left, a1_ops[1].parent_right));
assert(list.getArray() == "azbdcy");
}
std::cout << "\ndoc size (with tombstones): " << list._list_ids.size() << "\n";
std::cout << "\ndoc size: " << list.getDocSize() << "\n";
std::cout << "doc text:\n";
const auto tmp_array = list.getArray();
std::cout << std::string_view(tmp_array.data(), tmp_array.size()) << "\n";
}
int main(void) {
std::cout << "testSingle1:\n";
testSingle1();
std::cout << std::string(40, '-') << "\n";
std::cout << "testConcurrent1:\n";
testConcurrent1();
std::cout << std::string(40, '-') << "\n";
std::cout << "testInterleave1:\n";
testInterleave1();
std::cout << std::string(40, '-') << "\n";
std::cout << "testInterleave2:\n";
testInterleave2();
std::cout << std::string(40, '-') << "\n";
std::cout << "testConcurrent2:\n";
testConcurrent2();
std::cout << std::string(40, '-') << "\n";
std::cout << "testMain1:\n";
testMain1();
std::cout << std::string(40, '-') << "\n";
return 0;
}