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cmd/swarm: simplify testCluster.StartNewNodes #1777
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nolash
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Sep 18, 2019
nonsense
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Sep 19, 2019
chadsr
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Sep 23, 2019
* 'master' of github.com:ethersphere/swarm: (32 commits) network/stream: refactor cursors tests (ethersphere#1786) network: Add capabilities if peer from store does not have it (ethersphere#1791) Swap logger (ethersphere#1754) network: Add capability filtered depth calculation (ethersphere#1787) travis: remove go1.12 job (ethersphere#1784) cmd/swarm: correct bzznetworkid flag description (ethersphere#1761) network, pss: Capability in pss (ethersphere#1764) network/stream: handle nil peer in TestNodesExchangeCorrectBinIndexes (ethersphere#1779) protocols, retrieval: swap-enabled messages implement Price (ethersphere#1771) cmd/swarm-smoke: fix waitToPushSynced connection closing (ethersphere#1781) cmd/swarm: simplify testCluster.StartNewNodes (ethersphere#1777) build: increase golangci-lint deadline (ethersphere#1778) docker: ignore build/bin when copying files (ethersphere#1780) swap: fix and rename Peer.getLastSentCumulativePayout (ethersphere#1769) network/stream: more resilient TestNodesCorrectBinsDynamic (ethersphere#1776) network: Add Capabilities to Kademlia database (ethersphere#1713) network: add own address to KademliaInfo (ethersphere#1775) pss: Refactor. Step 2. Refactor forward cache (ethersphere#1742) all: configurable payment/disconnect thresholds (ethersphere#1729) network/stream/v2: more resilient TestNodesExchangeCorrectBinIndexes (ethersphere#1760) ...
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Method StartNewNodes starts test nodes in parallel and handles errors. However, in tests only 1, 2 or 3 nodes are started making this complexity hard to justify. This code would not be changed if it was not observed that it deadlocks on travis very rarely https://travis-ci.org/ethersphere/swarm/jobs/586074055#L2095 on waiting on the error channel. I was not able to reproduce the problem of find the root cause, so I simplified the code by making it synchronous as it does not prolong test execution time significantly.