testing: -run running all tests

[santhosh-tekuri]

What version of Go are you using (go version)?

$ go version
go version go1.10.3 windows/amd64

Does this issue reproduce with the latest release?

yes

What operating system and processor architecture are you using (go env)?

go env Output

$ go env
set GOARCH=amd64
set GOBIN=
set GOCACHE=C:\Users\rajag\AppData\Local\go-build
set GOEXE=.exe
set GOHOSTARCH=amd64
set GOHOSTOS=windows
set GOOS=windows
set GOPATH=C:\Users\rajag\go
set GORACE=
set GOROOT=C:\Installations\Go
set GOTMPDIR=
set GOTOOLDIR=C:\Installations\Go\pkg\tool\windows_amd64
set GCCGO=gccgo
set CC=gcc
set CXX=g++
set CGO_ENABLED=1
set CGO_CFLAGS=-g -O2
set CGO_CPPFLAGS=
set CGO_CXXFLAGS=-g -O2
set CGO_FFLAGS=-g -O2
set CGO_LDFLAGS=-g -O2
set PKG_CONFIG=pkg-config
set GOGCCFLAGS=-m64 -mthreads -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=C:\Users\rajag\AppData\Local\Temp\go-build044115818=/tmp/go-bu
ild -gno-record-gcc-switches

What did you do?

go test -run ///quorumWait -v

What did you expect to see?

no tests to run

What did you see instead?

=== RUN   TestUint64
=== RUN   TestUint64/uint64(0)
=== RUN   TestUint64/uint64(123)
=== RUN   TestUint64/uint64(18446744073709551615)
--- PASS: TestUint64 (0.00s)
    --- PASS: TestUint64/uint64(0) (0.00s)
    --- PASS: TestUint64/uint64(123) (0.00s)
    --- PASS: TestUint64/uint64(18446744073709551615) (0.00s)
=== RUN   TestUint32
=== RUN   TestUint32/uint32(0)
=== RUN   TestUint32/uint32(123)
=== RUN   TestUint32/uint32(4294967295)
--- PASS: TestUint32 (0.00s)
    --- PASS: TestUint32/uint32(0) (0.00s)
    --- PASS: TestUint32/uint32(123) (0.00s)
    --- PASS: TestUint32/uint32(4294967295) (0.00s)
=== RUN   TestUint8
=== RUN   TestUint8/uint8(0)
=== RUN   TestUint8/uint8(100)
=== RUN   TestUint8/uint8(255)
--- PASS: TestUint8 (0.00s)
    --- PASS: TestUint8/uint8(0) (0.00s)
    --- PASS: TestUint8/uint8(100) (0.00s)
    --- PASS: TestUint8/uint8(255) (0.00s)
=== RUN   TestBool
=== RUN   TestBool/bool(true)
=== RUN   TestBool/bool(false)
--- PASS: TestBool (0.00s)
    --- PASS: TestBool/bool(true) (0.00s)
    --- PASS: TestBool/bool(false) (0.00s)
=== RUN   TestBytes
=== RUN   TestBytes/bytes("")
=== RUN   TestBytes/bytes("nonempty")
--- PASS: TestBytes (0.00s)
    --- PASS: TestBytes/bytes("") (0.00s)
    --- PASS: TestBytes/bytes("nonempty") (0.00s)
=== RUN   TestString
=== RUN   TestString/string("")
=== RUN   TestString/string("nonempty")
--- PASS: TestString (0.00s)
    --- PASS: TestString/string("") (0.00s)
    --- PASS: TestString/string("nonempty") (0.00s)
=== RUN   TestMessages
=== RUN   TestMessages/message(*raft.entry)
=== RUN   TestMessages/message(*raft.voteReq)
=== RUN   TestMessages/message(*raft.voteResp)
=== RUN   TestMessages/message(*raft.voteResp)#01
=== RUN   TestMessages/message(*raft.appendEntriesReq)
=== RUN   TestMessages/message(*raft.appendEntriesResp)
=== RUN   TestMessages/message(*raft.installSnapReq)
=== RUN   TestMessages/message(*raft.installSnapResp)
=== RUN   TestMessages/message(*raft.installSnapResp)#01
--- PASS: TestMessages (0.00s)
    --- PASS: TestMessages/message(*raft.entry) (0.00s)
    --- PASS: TestMessages/message(*raft.voteReq) (0.00s)
    --- PASS: TestMessages/message(*raft.voteResp) (0.00s)
    --- PASS: TestMessages/message(*raft.voteResp)#01 (0.00s)
    --- PASS: TestMessages/message(*raft.appendEntriesReq) (0.00s)
    --- PASS: TestMessages/message(*raft.appendEntriesResp) (0.00s)
    --- PASS: TestMessages/message(*raft.installSnapReq) (0.00s)
    --- PASS: TestMessages/message(*raft.installSnapResp) (0.00s)
    --- PASS: TestMessages/message(*raft.installSnapResp)#01 (0.00s)
=== RUN   TestRaft
=== RUN   TestRaft/voting
=== RUN   TestRaft/shutdown
=== RUN   TestRaft/bootstrap
=== RUN   TestRaft/singleNode
=== RUN   TestRaft/tripleNode
=== RUN   TestRaft/leader
=== RUN   TestRaft/leader/quorumWait
=== RUN   TestRaft/behindFollower
=== RUN   TestRaft/update
=== RUN   TestRaft/barrier
=== RUN   TestRaft/query
=== RUN   TestRaft/takeSnapshot
=== RUN   TestRaft/sendSnapshot
=== RUN   TestRaft/changeConfig
=== RUN   TestRaft/nonvoter
=== RUN   TestRaft/promote
--- PASS: TestRaft (4.37s)
    --- PASS: TestRaft/voting (0.28s)
    --- PASS: TestRaft/shutdown (0.00s)
    --- PASS: TestRaft/bootstrap (0.17s)
    --- PASS: TestRaft/singleNode (0.35s)
    --- PASS: TestRaft/tripleNode (0.27s)
    --- PASS: TestRaft/leader (2.26s)
        --- PASS: TestRaft/leader/quorumWait (2.26s)
    --- PASS: TestRaft/behindFollower (0.48s)
    --- PASS: TestRaft/update (0.00s)
    --- PASS: TestRaft/barrier (0.27s)
    --- PASS: TestRaft/query (0.29s)
    --- PASS: TestRaft/takeSnapshot (0.00s)
    --- PASS: TestRaft/sendSnapshot (0.00s)
    --- PASS: TestRaft/changeConfig (0.00s)
    --- PASS: TestRaft/nonvoter (0.00s)
    --- PASS: TestRaft/promote (0.00s)
=== RUN   TestServer
=== RUN   TestServer/requestVote
=== RUN   TestServer/appendEntries
--- PASS: TestServer (0.00s)
    --- PASS: TestServer/requestVote (0.00s)
    --- PASS: TestServer/appendEntries (0.00s)
PASS
ok      github.com/santhosh-tekuri/raft 4.442s

[ianlancetaylor]

As documented at https://golang.org/pkg/testing under "Subtests and Sub-benchmarks," the argument to -run is slash separated, and an empty element matches everything. So when you pass ///quorumWait you are matching every test.