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#include "test.h"
#include <list>
#include <string>
#include "event_bus.h"
#include "i_log_lines_events.h"
#include "line.h"
using namespace std;
using namespace std::placeholders;
class MockEventReceiver : public ILogLinesEvents {
public:
virtual ~MockEventReceiver() {
CHECK(_expects.empty());
}
void expect(const string& s) {
_expects.push_back(s);
}
// an existing line was changed
virtual void edit_line([[maybe_unused]] LogLines* ll,
size_t pos, Line* line) {
CHECK(pos == 10);
CHECK(line->view() == "edit");
}
// a new line was added
virtual void append_line([[maybe_unused]] LogLines* ll,
[[maybe_unused]] size_t pos,
Line* line) {
CHECK(!_expects.empty());
CHECK(line->view() == _expects.front());
_expects.pop_front();
}
// an insertion event
virtual void insertion([[maybe_unused]] LogLines* ll,
[[maybe_unused]] size_t pos,
[[maybe_unused]] size_t amount) {}
// a deletion event
virtual void deletion([[maybe_unused]] LogLines* ll,
[[maybe_unused]] size_t pos,
[[maybe_unused]] size_t amount) {}
// clearing event
virtual void clear_lines([[maybe_unused]] LogLines* ll) {}
protected:
list<string> _expects;
};
TEST_CASE("eventbus enroll") {
MockEventReceiver m, m_other;
LogLines* ll = (LogLines*) 12;
LogLines* ll_other = (LogLines*) 13;
EventBus::_()->enregister(ll, &m);
EventBus::_()->enregister(ll_other, &m_other);
m.expect("hello");
m.expect("there");
m_other.expect("another");
Line l1(string("hello"));
Line l2(string("another"));
Line l3(string("there"));
Line l4(string("world"));
Line l5(string("ignore"));
EventBus::_()->append_line(ll, 0, &l1);
EventBus::_()->append_line(ll_other, 1, &l2);
EventBus::_()->append_line(ll, 1, &l3);
m.expect("world");
EventBus::_()->append_line(ll, 2, &l4);
EventBus::_()->deregister(ll, &m);
EventBus::_()->append_line(ll, 3, &l5);
EventBus::_()->deregister(ll_other, &m_other);
}
TEST_CASE("eventbus eventmaker end") {
MockEventReceiver m;
LogLines* ll = (LogLines*) 42;
EventBus::_()->enregister(ll, &m);
m.expect("hello");
m.expect("there");
Line l1(string("hello"));
Line l2(string("there"));
Line l3(string("world"));
EventBus::_()->append_line(ll, 3, &l1);
EventBus::_()->append_line(ll, 4, &l2);
EventBus::_()->eventmaker_finished(ll);
EventBus::_()->append_line(ll, 5, &l3);
EventBus::_()->deregister(ll, &m);
}
TEST_CASE("eventbus eventmaker end and deregister") {
MockEventReceiver m;
LogLines* ll = (LogLines*) 42;
EventBus::_()->enregister(ll, &m);
m.expect("hello");
m.expect("there");
Line l1(string("hello"));
Line l2(string("there"));
Line l3(string("world"));
EventBus::_()->append_line(ll, 3, &l1);
EventBus::_()->append_line(ll, 4, &l2);
EventBus::_()->eventmaker_finished(ll);
EventBus::_()->append_line(ll, 5, &l3);
EventBus::_()->deregister(ll, &m);
}
TEST_CASE("eventbus deregister and eventmaker end") {
MockEventReceiver m;
LogLines* ll = (LogLines*) 42;
EventBus::_()->enregister(ll, &m);
m.expect("hello");
m.expect("there");
Line l1(string("hello"));
Line l2(string("there"));
Line l3(string("world"));
EventBus::_()->append_line(ll, 3, &l1);
EventBus::_()->append_line(ll, 4, &l2);
EventBus::_()->deregister(ll, &m);
EventBus::_()->append_line(ll, 4, &l3);
EventBus::_()->eventmaker_finished(ll);
EventBus::_()->deregister(ll, &m);
}
TEST_CASE("eventbus multiple enroll") {
MockEventReceiver m1;
MockEventReceiver m2;
MockEventReceiver m3;
LogLines* s1 = (LogLines*) 42;
LogLines* s2 = (LogLines*) 44;
CHECK(!EventBus::_()->present(&m1));
EventBus::_()->enregister(s1, &m1);
CHECK(EventBus::_()->present(&m1));
EventBus::_()->enregister(s1, &m2);
EventBus::_()->enregister(s1, &m3);
EventBus::_()->enregister(s2, &m2);
EventBus::_()->enregister(s2, &m3);
m1.expect("s1_1");
m1.expect("s1_2");
m1.expect("s1_3");
m2.expect("s1_1");
m2.expect("s2_1");
m2.expect("s1_2");
m2.expect("s1_3");
m2.expect("s2_2");
m3.expect("s1_1");
m3.expect("s2_1");
m3.expect("s1_2");
m3.expect("s1_3");
m3.expect("s2_2");
Line l1(string("s1_1"));
Line l2(string("s2_1"));
Line l3(string("s1_2"));
Line l4(string("edit"));
Line l5(string("s1_3"));
Line l6(string("s2_2"));
EventBus::_()->append_line(s1, 2, &l1);
EventBus::_()->append_line(s2, 3, &l2);
EventBus::_()->append_line(s1, 3, &l3);
EventBus::_()->edit_line(s1, 10, &l4);
EventBus::_()->append_line(s1, 4, &l5);
EventBus::_()->append_line(s2, 4, &l6);
EventBus::_()->deregister(s1, &m1);
CHECK(!EventBus::_()->present(&m1));
CHECK(EventBus::_()->present(&m2));
EventBus::_()->deregister(s1, &m2);
EventBus::_()->deregister(s1, &m3);
EventBus::_()->deregister(s2, &m2);
EventBus::_()->deregister(s2, &m3);
}
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