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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/slobrok/server/mock_map_listener.h>
#include <vespa/slobrok/server/service_map_mirror.h>
#include <vespa/vespalib/gtest/gtest.h>
#include <vespa/vespalib/util/stringfmt.h>
#include <map>
using namespace vespalib;
using namespace slobrok;
using vespalib::make_string_short::fmt;
using Map = std::map<vespalib::string, vespalib::string>;
Map dump(const ServiceMapMirror &mirror) {
Map result;
for (const auto & entry : mirror.allMappings()) {
result[entry.name] = entry.spec;
}
return result;
}
void addTo(ServiceMapMirror &target, const ServiceMapping &mapping) {
auto cur = target.currentGeneration();
std::vector<vespalib::string> removes = {};
ServiceMappingList updates = { mapping };
auto nxt = cur;
nxt.add();
MapDiff diff{cur, removes, updates, nxt};
target.apply(diff);
}
void removeFrom(ServiceMapMirror &target, const ServiceMapping &mapping) {
auto cur = target.currentGeneration();
std::vector<vespalib::string> removes = { mapping.name };
ServiceMappingList updates = { };
auto nxt = cur;
nxt.add();
MapDiff diff{cur, removes, updates, nxt};
target.apply(diff);
}
TEST(ServiceMapMirrorTest, empty_inspection) {
ServiceMapMirror mirror;
auto bar = dump(mirror);
EXPECT_TRUE(bar.empty());
MockMapListener observer;
auto subscription = MapSubscription::subscribe(mirror, observer);
subscription.reset();
EXPECT_EQ(observer.last_event, MockEvent::NONE);
}
TEST(ServiceMapMirrorTest, full_inspection) {
ServiceMapMirror mirror;
MockMapListener observer;
auto subscription = MapSubscription::subscribe(mirror, observer);
for (int i = 0; i < 1984; ++i) {
EXPECT_EQ(mirror.currentGeneration(), GenCnt(i));
auto name = fmt("key/%d/name", i);
auto spec = fmt("tcp/host%d.domain.tld:19099", 10000+i);
ServiceMapping toAdd{name, spec};
addTo(mirror, toAdd);
EXPECT_EQ(observer.last_event, MockEvent::ADD);
EXPECT_EQ(observer.last_add, toAdd);
}
EXPECT_EQ(mirror.currentGeneration(), GenCnt(1984));
ServiceMapping toRemove{"key/666/name", "tcp/host10666.domain.tld:19099"};
removeFrom(mirror, toRemove);
EXPECT_EQ(observer.last_event, MockEvent::REMOVE);
EXPECT_EQ(observer.last_remove, toRemove);
EXPECT_EQ(mirror.currentGeneration(), GenCnt(1985));
ServiceMapping oldMapping{"key/1969/name", "tcp/host11969.domain.tld:19099"};
ServiceMapping toUpdate{"key/1969/name", "tcp/woodstock:19069"};
addTo(mirror, toUpdate);
EXPECT_EQ(observer.last_event, MockEvent::UPDATE);
EXPECT_EQ(observer.last_remove, oldMapping);
EXPECT_EQ(observer.last_add, toUpdate);
EXPECT_EQ(mirror.currentGeneration(), GenCnt(1986));
auto map = dump(mirror);
EXPECT_FALSE(map.contains("foo"));
EXPECT_TRUE(map.contains("key/0/name"));
EXPECT_FALSE(map.contains("key/666/name"));
EXPECT_TRUE(map.contains("key/1983/name"));
EXPECT_FALSE(map.contains("key/1984/name"));
EXPECT_TRUE(map.contains("key/1969/name"));
EXPECT_EQ(map["key/0/name"], "tcp/host10000.domain.tld:19099");
EXPECT_EQ(map["key/123/name"], "tcp/host10123.domain.tld:19099");
EXPECT_EQ(map["key/1983/name"], "tcp/host11983.domain.tld:19099");
EXPECT_EQ(map["key/1969/name"], "tcp/woodstock:19069");
EXPECT_EQ(map.size(), 1983ul);
auto cur = mirror.currentGeneration();
std::vector<vespalib::string> removes = {
"key/123/name",
"key/1983/name",
"key/234/name",
"key/345/name",
"key/123/name",
"key/456/name"
};
ServiceMappingList updates = {
ServiceMapping{ "key/567/name", "bar/1/foo" },
ServiceMapping{ "key/678/name", "bar/2/foo" },
ServiceMapping{ "key/234/name", "bar/3/foo" },
ServiceMapping{ "key/345/name", "bar/4/foo" },
ServiceMapping{ "key/789/name", "bar/5/foo" },
ServiceMapping{ "key/666/name", "bar/6/foo" },
ServiceMapping{ "key/567/name", "bar/7/foo" }
};
auto nxt = cur;
nxt.add();
nxt.add();
mirror.apply(MapDiff{cur, removes, updates, nxt});
EXPECT_EQ(mirror.currentGeneration(), GenCnt(1988));
map = dump(mirror);
EXPECT_FALSE(map.contains("key/123/name"));
EXPECT_FALSE(map.contains("key/1983/name"));
EXPECT_FALSE(map.contains("key/456/name"));
EXPECT_TRUE(map.contains("key/0/name"));
EXPECT_TRUE(map.contains("key/234/name"));
EXPECT_TRUE(map.contains("key/345/name"));
EXPECT_TRUE(map.contains("key/567/name"));
EXPECT_TRUE(map.contains("key/666/name"));
EXPECT_TRUE(map.contains("key/678/name"));
EXPECT_TRUE(map.contains("key/789/name"));
EXPECT_EQ(map["key/234/name"], "bar/3/foo");
EXPECT_EQ(map["key/345/name"], "bar/4/foo");
EXPECT_EQ(map["key/567/name"], "bar/7/foo");
EXPECT_EQ(map["key/666/name"], "bar/6/foo");
EXPECT_EQ(map["key/678/name"], "bar/2/foo");
EXPECT_EQ(map["key/789/name"], "bar/5/foo");
EXPECT_EQ(map.size(), 1981ul);
}
GTEST_MAIN_RUN_ALL_TESTS()
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