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x/website: "How to Write Go Code" manual - top-level go test does not find tests #44460

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shamrin opened this issue Feb 20, 2021 · 0 comments
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@shamrin
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@shamrin shamrin commented Feb 20, 2021

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

$ go version
go version go1.16 darwin/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
GO111MODULE=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/Users/user/Library/Caches/go-build"
GOENV="/Users/user/Library/Application Support/go/env"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOINSECURE=""
GOMODCACHE="/Users/user/go/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="darwin"
GOPATH="/Users/user/go"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/darwin_amd64"
GOVCS=""
GOVERSION="go1.16"
GCCGO="gccgo"
AR="ar"
CC="clang"
CXX="clang++"
CGO_ENABLED="1"
GOMOD="/Users/user/src/swanbase/go.mod"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/n1/gz5vlp814xsdfq0ncffzgqcc0000gq/T/go-build3415797913=/tmp/go-build -gno-record-gcc-switches -fno-common"

What did you do?

I followed "How to Write Go Code" manual, "Testing" section. The manual says:

Add a test to the morestrings package by creating the file $HOME/hello/morestrings/reverse_test.go containing the following Go code.
...
Then run the test with go test:

$ go test
PASS
ok  	example.com/user/morestrings 0.165s
$

However, go test doesn't work for the top folder:

$ go test
?       example.com/user/hello  [no test files]
$ pwd
/Users/user/src/hello
$ tree
.
├── go.mod
├── go.sum
├── hello
├── hello.go
└── morestrings
    ├── reverse.go
    └── reverse_test.go

What did you expect to see?

I expected go test to find tests in morestrings automatically. Alternatively, the manual should suggest one of:

  • go test ./morestrings
  • go test ./...
  • cd morestrings; go test
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