Got it.
On Thu, Oct 13, 2022 at 7:13 AM Ian Lance Taylor <i...@golang.org> wrote:
> On Tue, Oct 11, 2022 at 8:42 PM Jingguo Yao <yaojing...@gmail.com> wrote:
> >
> > I have the following directory layout:
> >
> > ├── bar
> > │ └── bar_test.go
> > ├── foo
> > │ └── foo_test.go
> > ├── go.mod
> > └── go.sum
> >
> >
> > foo_test.go:
> > package main
> >
> > import (
> > "fmt"
> > "testing"
> > )
> >
> > func TestHelloWorld(t *testing.T) {
> > fmt.Println("hello, foo")
> > t.Log("hi, foo")
> > }
> >
> > bar_test.go:
> > package bar
> >
> > import (
> > "fmt"
> > "testing"
> > )
> >
> > func TestGreeting(t *testing.T) {
> > fmt.Println("hello, bar")
> > t.Log("hi, bar")
> > }
> >
> >
> > $ go test -count=1 -v ./...
> > === RUN TestGreeting
> > hello, bar
> > bar_test.go:10: hi, bar
> > --- PASS: TestGreeting (0.00s)
> > PASS
> > ok yao.org/lang/bar 0.814s
> > === RUN TestHelloWorld
> > hello, foo
> > foo_test.go:10: hi, foo
> > --- PASS: TestHelloWorld (0.00s)
> > PASS
> > ok yao.org/lang/foo 0.518s
> >
> > $ go test -count=1 ./...
> > ok yao.org/lang/bar 0.115s
> > ok yao.org/lang/foo 0.210s
> >
> > foo$ go test -v -count=1
> > === RUN TestHelloWorld
> > hello, foo
> > foo_test.go:10: hi, foo
> > --- PASS: TestHelloWorld (0.00s)
> > PASS
> > ok yao.org/lang/foo 0.271s
> >
> > foo$ go test -count=1
> > hello, foo
> > PASS
> > ok yao.org/lang/foo 0.105s
> >
> > I found the following different effects on two test modes by -v flag.
> >
> > 1. -v enables the output of fmt.Println and T.Log statements in package
> list mode.
> > 2. -v enables the output of T.Log statements in local directory mode.
> >
> > I browsed https://pkg.go.dev/cmd/go. But I failed to find a description
> of
> > this difference. Does this difference work as designed? If yes, can we
> document
> > it explicitly?
>
> I don't think we want to lock ourselves into the current behavior if
> we can avoid it. We may find reasons to change it over time.
>
> (That said I wouldn't be surprised if changing this behavior broke
> some people's use cases.)
>
> Ian
>
--
Jingguo
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