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miner: add test showing imprecise TestMiner

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Signed-off-by: meows <b5c6@protonmail.com>
This commit is contained in:
meows
2020-10-05 08:30:43 -05:00
parent 5ccaeb7709
commit 3b783dd1ed
1 changed files with 21 additions and 0 deletions
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21
miner/miner_test.go
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@ -97,6 +97,27 @@ func TestMiner(t *testing.T) {
waitForMiningState(t, miner, true) waitForMiningState(t, miner, true)
} }
// TestMiner_2 shows that TestMiner assertions 'waitForMiningState' are
// imprecise measurements. The last two assertions use 'false' where the original
// test uses 'true'. The test passes.
func TestMiner_2(t *testing.T) {
miner, mux := createMiner(t)
miner.Start(common.HexToAddress("0x12345"))
waitForMiningState(t, miner, true)
// Start the downloader
mux.Post(downloader.StartEvent{})
waitForMiningState(t, miner, false)
// Stop the downloader and wait for the update loop to run
mux.Post(downloader.DoneEvent{})
waitForMiningState(t, miner, true)
// Start the downloader, the mining state will not change because the update loop has exited
mux.Post(downloader.StartEvent{})
waitForMiningState(t, miner, false)
// Stop the downloader, the mining state will not change
mux.Post(downloader.FailedEvent{})
waitForMiningState(t, miner, false)
}
func TestStartWhileDownload(t *testing.T) { func TestStartWhileDownload(t *testing.T) {
miner, mux := createMiner(t) miner, mux := createMiner(t)
waitForMiningState(t, miner, false) waitForMiningState(t, miner, false)