mirror of
https://github.com/Green-Sky/crdt_tests.git
synced 2024-11-14 18:13:01 +01:00
459 lines
10 KiB
C++
459 lines
10 KiB
C++
#include "./text_document.hpp"
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#include <numeric>
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#include <optional>
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#include <random>
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#include <iostream>
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#include <cassert>
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// single letter agent, for testing only
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using Agent = char;
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using Doc = GreenCRDT::TextDocument<Agent>;
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using Op = GreenCRDT::TextDocument<Agent>::Op;
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using ListType = Doc::ListType;
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// maybe switch it up?
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//using Rng = std::minstd_rand;
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//using Rng = std::mt19937;
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using Rng = std::ranlux24_base;
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// 10*7 -> 70 permutations , ggwp
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// | 1add | 1del | 1rep | 2add | 2del | 2rep | random add | random del | random rep | random
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// empty doc | | 0 | 0 | | 0 | 0 | x | 0 | 0 |
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// before 1 char | | | | | | | | | |
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// after 1 char | | | | | | | | | |
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// before 2 char | | | | | | | | | |
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// in 2 char | | | | | | | | | |
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// after 2 char | | | | | | | | | |
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// random | | | | | | | | | |
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static const std::vector<char> random_chars {
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'a', 'b', 'c', 'd', 'e',
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'f', 'g', 'h', 'i', 'j',
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'k', 'l', 'm', 'n', 'o',
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'p', 'q', 'r', 's', 't',
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'u', 'v', 'w', 'x', 'y',
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'z',
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'A', 'B', 'C', 'D', 'E',
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'F', 'G', 'H', 'I', 'J',
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'K', 'L', 'M', 'N', 'O',
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'P', 'Q', 'R', 'S', 'T',
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'U', 'V', 'W', 'X', 'Y',
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'Z',
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};
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std::ostream& operator<<(std::ostream& out, const std::optional<ListType::ListID>& id) {
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if (id.has_value()) {
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out << id.value().id << "-" << id.value().seq;
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} else {
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out << "null";
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}
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return out;
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}
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std::ostream& operator<<(std::ostream& out, const ListType::OpAdd& op) {
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out
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<< "{ id:" << op.id.id
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<< "-" << op.id.seq
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<< ", v:" << op.value
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<< ", l:" << op.parent_left
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<< ", r:" << op.parent_right
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<< " }"
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;
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return out;
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}
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// genX() changes doc, uses local agent
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Op genAdd(Rng& rng, Doc& doc) {
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ListType::OpAdd op {
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{doc.local_agent, 0u},
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std::nullopt,
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std::nullopt,
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random_chars[rng()%random_chars.size()]
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};
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// first id is 0
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if (doc.state.last_seen_seq.count(doc.local_agent)) {
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op.id.seq = doc.state.last_seen_seq[doc.local_agent] + 1;
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}
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if (!doc.state.list.empty()) {
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// gen parents
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size_t li = rng()%(1+doc.state.list.size());
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if (li != doc.state.list.size()) { // nullopt
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op.parent_left = doc.state.list[li].id;
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}
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//size_t r_range = 1+doc.state.list.size();
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//if (li != doc.state.list.size()) {
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//r_range -= li+1;
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//}
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//size_t ri = rng()%r_range;
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//if (li != doc.state.list.size()) {
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//ri += li+1;
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//}
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//if (ri != doc.state.list.size()) { // nullopt
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//op.parent_right = doc.state.list[li].id;
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//}
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if (op.parent_left.has_value()) {
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if (doc.state.list.size() != li + 1) { // left is not last
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op.parent_right = doc.state.list[li+1].id;
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}
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} else {
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// left is before first, so right is first
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op.parent_right = doc.state.list.front().id;
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}
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} // else first char, both nullopt
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//std::cout << "op: " << op << "\n";
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{
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bool r = doc.state.add(op.id, op.value, op.parent_left, op.parent_right);
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if (!r) {
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std::cout << "op: " << op << "\n";
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}
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assert(r);
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}
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return op;
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}
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Op genDel(Rng& rng, Doc& doc) {
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if (doc.state.doc_size == 0) {
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assert(false && "empty doc");
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return {}; // empty
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}
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doc.state.verify();
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ListType::OpDel op{};
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// search for undelted entry
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size_t idx = rng()%doc.state.list.size();
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bool found = false;
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for (size_t attempts = 0; attempts <= doc.state.list.size(); attempts++) {
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if (doc.state.list[idx].value.has_value()) {
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op.id = doc.state.list[idx].id;
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found = true;
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break;
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}
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idx = (idx+1) % doc.state.list.size();
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}
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assert(found);
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{
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auto size_pre = doc.state.doc_size;
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bool r = doc.state.del(op.id);
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assert(r);
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assert(size_pre-1 == doc.state.doc_size);
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size_t actual_size = 0;
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for (const auto& it : doc.state.list) {
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if (it.value.has_value()) {
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actual_size++;
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}
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}
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assert(doc.state.doc_size == actual_size);
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}
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return op;
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}
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//genRep()
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//genAddContRange()
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//genDelContRange()
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//genRepContRange()
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//genRand()
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//genRandRanges()
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std::vector<Op> genRandAll(Rng& rng, Doc& doc) {
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switch (rng() % 1) {
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case 0:
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return {genAdd(rng, doc)};
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}
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return {};
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}
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void testEmptyDocAdds(size_t seed) {
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Rng rng(seed);
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Doc doc; // empty
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doc.local_agent = 'A';
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std::string changed_text;
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{
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// for modifying
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Doc doctmp = doc;
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const size_t loop_count = (rng() % 55)+1;
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for (size_t i = 0; i < loop_count; i++) {
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genAdd(rng, doctmp);
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}
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changed_text = doctmp.getText();
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}
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assert(doc.getText() != changed_text);
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std::cout << "changed_text: " << changed_text << "\n";
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Doc otherdoc = doc;
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assert(doc.getText().size() == doc.state.doc_size);
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const auto merge_ops = doc.merge(changed_text);
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assert(doc.getText().size() == doc.state.doc_size);
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assert(doc.getText() == changed_text);
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assert(otherdoc.apply(merge_ops));
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assert(doc.getText() == otherdoc.getText());
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}
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void test1CharDocAdds(size_t seed) {
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Rng rng(seed);
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Doc doc;
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doc.local_agent = 'A';
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doc.addText(std::nullopt, std::nullopt, "0");
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assert(doc.getText() == "0");
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std::string changed_text;
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{
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// for modifying
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Doc doctmp = doc;
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const size_t loop_count = (rng() % 4)+1;
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for (size_t i = 0; i < loop_count; i++) {
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genAdd(rng, doctmp);
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}
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changed_text = doctmp.getText();
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}
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assert(doc.getText() != changed_text);
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std::cout << "text: " << doc.getText() << "\n";
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std::cout << "changed_text: " << changed_text << "\n";
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Doc otherdoc = doc;
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assert(doc.getText().size() == doc.state.doc_size);
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const auto merge_ops = doc.merge(changed_text);
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assert(doc.getText().size() == doc.state.doc_size);
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std::cout << "text after merge: " << doc.getText() << "\n";
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assert(doc.getText() == changed_text);
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assert(otherdoc.apply(merge_ops));
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assert(doc.getText() == otherdoc.getText());
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}
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void test1CharDocDels(size_t seed) {
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Rng rng(seed);
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Doc doc;
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doc.local_agent = 'A';
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assert(doc.getText().size() == doc.state.doc_size);
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doc.addText(std::nullopt, std::nullopt, "0123");
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assert(doc.getText().size() == doc.state.doc_size);
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assert(doc.getText() == "0123");
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std::string changed_text;
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{
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// for modifying
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Doc doctmp = doc;
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const size_t loop_count = (rng() % 4)+1;
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std::cout << "going to delete: " << loop_count << "\n";
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for (size_t i = 0; i < loop_count; i++) {
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genDel(rng, doctmp);
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}
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changed_text = doctmp.getText();
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assert(doctmp.getText().size() == doctmp.state.doc_size);
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if (loop_count == doc.state.doc_size) {
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assert(doctmp.state.doc_size == 0);
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assert(changed_text.size() == 0);
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}
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}
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assert(doc.getText() != changed_text);
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std::cout << "text: " << doc.getText() << "\n";
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std::cout << "changed_text: " << changed_text << "\n";
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Doc otherdoc = doc;
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assert(doc.getText().size() == doc.state.doc_size);
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const auto merge_ops = doc.merge(changed_text);
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assert(doc.getText().size() == doc.state.doc_size);
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std::cout << "text after merge: " << doc.getText() << "\n";
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assert(doc.getText() == changed_text);
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assert(otherdoc.apply(merge_ops));
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assert(doc.getText() == otherdoc.getText());
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}
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void test2CharDocAdds(size_t seed) {
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Rng rng(seed);
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Doc doc;
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doc.local_agent = 'A';
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assert(doc.getText().size() == doc.state.doc_size);
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doc.addText(std::nullopt, std::nullopt, "012345");
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assert(doc.getText().size() == doc.state.doc_size);
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assert(doc.getText() == "012345");
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std::string changed_text;
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{
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// for modifying
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Doc doctmp = doc;
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const size_t loop_count = (rng() % 6)+1;
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for (size_t i = 0; i < loop_count; i++) {
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genAdd(rng, doctmp);
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}
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changed_text = doctmp.getText();
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}
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assert(doc.getText() != changed_text);
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std::cout << "text: " << doc.getText() << "\n";
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std::cout << "changed_text: " << changed_text << "\n";
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Doc otherdoc = doc;
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assert(doc.getText().size() == doc.state.doc_size);
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const auto merge_ops = doc.merge(changed_text);
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assert(doc.getText().size() == doc.state.doc_size);
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std::cout << "text after merge: " << doc.getText() << "\n";
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assert(doc.getText() == changed_text);
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assert(otherdoc.apply(merge_ops));
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assert(doc.getText() == otherdoc.getText());
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}
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void testChange1(size_t seed) {
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Rng rng(seed);
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Doc doc;
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doc.local_agent = 'A';
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assert(doc.getText().size() == doc.state.doc_size);
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doc.addText(std::nullopt, std::nullopt, "012345");
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assert(doc.getText().size() == doc.state.doc_size);
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assert(doc.getText() == "012345");
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std::string changed_text;
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{
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// for modifying
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Doc doctmp = doc;
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{ // dels
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const size_t loop_count = (rng() % 6)+1;
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for (size_t i = 0; i < loop_count; i++) {
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genDel(rng, doctmp);
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}
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}
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{ // adds
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const size_t loop_count = (rng() % 6)+1;
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for (size_t i = 0; i < loop_count; i++) {
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genAdd(rng, doctmp);
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}
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}
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changed_text = doctmp.getText();
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}
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assert(doc.getText() != changed_text);
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std::cout << "text: " << doc.getText() << "\n";
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std::cout << "changed_text: " << changed_text << "\n";
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Doc otherdoc = doc;
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assert(doc.getText().size() == doc.state.doc_size);
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const auto merge_ops = doc.merge(changed_text);
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assert(doc.getText().size() == doc.state.doc_size);
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std::cout << "text after merge: " << doc.getText() << "\n";
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assert(doc.getText() == changed_text);
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assert(otherdoc.apply(merge_ops));
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assert(doc.getText() == otherdoc.getText());
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}
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int main(void) {
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const size_t loops = 10'000;
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{
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std::cout << "testEmptyDocAdds:\n";
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for (size_t i = 0; i < loops; i++) {
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std::cout << "i " << i << "\n";
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testEmptyDocAdds(1337+i);
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std::cout << std::string(40, '-') << "\n";
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}
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}
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std::cout << std::string(40, '=') << "\n";
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{
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std::cout << "test1CharDocAdds:\n";
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for (size_t i = 0; i < loops; i++) {
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std::cout << "i " << i << "\n";
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test1CharDocAdds(1337+i);
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std::cout << std::string(40, '-') << "\n";
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}
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}
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std::cout << std::string(40, '=') << "\n";
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{
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std::cout << "test1CharDocDels:\n";
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for (size_t i = 0; i < loops; i++) {
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std::cout << "i " << i << "\n";
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test1CharDocDels(1337+i);
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std::cout << std::string(40, '-') << "\n";
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}
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}
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std::cout << std::string(40, '=') << "\n";
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{
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std::cout << "test2CharDocAdds:\n";
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for (size_t i = 0; i < loops; i++) {
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std::cout << "i " << i << "\n";
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test2CharDocAdds(1337+i);
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std::cout << std::string(40, '-') << "\n";
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}
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}
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std::cout << std::string(40, '=') << "\n";
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{
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std::cout << "testChange1:\n";
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for (size_t i = 0; i < loops; i++) {
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std::cout << "i " << i << "\n";
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testChange1(1337+i);
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std::cout << std::string(40, '-') << "\n";
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}
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}
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return 0;
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}
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