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#include <catch2/catch.hpp> | ||
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#include "fixtures.h" | ||
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#include <faabric/scheduler/Scheduler.h> | ||
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namespace tests { | ||
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TEST_CASE_METHOD(DistTestsFixture, | ||
"Test generating the execution graph", | ||
"[funcs]") | ||
{ | ||
// Set up this host's resources | ||
int nLocalSlots = 2; | ||
int nFuncs = 4; | ||
faabric::HostResources res; | ||
res.set_slots(nLocalSlots); | ||
sch.setThisHostResources(res); | ||
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// Retry the test a number of times to catch the race-condition where | ||
// we get the execution graph before all results have been published | ||
int numRetries = 10; | ||
for (int r = 0; r < numRetries; r++) { | ||
// Set up the messages | ||
std::shared_ptr<faabric::BatchExecuteRequest> req = | ||
faabric::util::batchExecFactory("funcs", "simple", nFuncs); | ||
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// Add a fictional chaining dependency between functions | ||
for (int i = 1; i < nFuncs; i++) { | ||
sch.logChainedFunction(req->mutable_messages()->at(0).id(), | ||
req->mutable_messages()->at(i).id()); | ||
} | ||
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// Call the functions | ||
sch.callFunctions(req); | ||
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faabric::Message& m = req->mutable_messages()->at(0); | ||
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// Wait for the result, and immediately after query for the execution | ||
// graph | ||
faabric::Message result = sch.getFunctionResult(m.id(), 1000); | ||
auto execGraph = sch.getFunctionExecGraph(m.id()); | ||
REQUIRE(countExecGraphNodes(execGraph) == nFuncs); | ||
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REQUIRE(execGraph.rootNode.msg.id() == m.id()); | ||
for (int i = 1; i < nFuncs; i++) { | ||
auto node = execGraph.rootNode.children.at(i - 1); | ||
REQUIRE(node.msg.id() == req->mutable_messages()->at(i).id()); | ||
} | ||
} | ||
} | ||
} |