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dnephin avatar dnephin commented on June 12, 2024

Thank you for the bug report! When I was added tests for a change to coverage support I recall there being problems with the testname format when -coverprofile is enabled.

The formatters take the Output field from the events described in https://pkg.go.dev/cmd/test2json and attempt to display the correct ones. The bug seems to be that coverprofile adds extra Output lines that aren't handled correctly.

It's also possible this output has changed in a more recent version of Go, and that may be why there are extra lines now.

The code for the testname format is here:

gotestsum/testjson/format.go

Lines 141 to 184 in 3735b72

func testNameFormat(out io.Writer) EventFormatter {
buf := bufio.NewWriter(out)
// nolint:errcheck
return eventFormatterFunc(func(event TestEvent, exec *Execution) error {
formatTest := func() error {
testNameFormatTestEvent(buf, event)
return buf.Flush()
}
switch {
case isPkgFailureOutput(event):
buf.WriteString(event.Output)
return buf.Flush()
case event.PackageEvent():
if !event.Action.IsTerminal() {
return nil
}
result := colorEvent(event)(strings.ToUpper(string(event.Action)))
pkg := exec.Package(event.Package)
if event.Action == ActionSkip || (event.Action == ActionPass && pkg.Total == 0) {
event.Action = ActionSkip // always color these as skip actions
result = colorEvent(event)("EMPTY")
}
event.Elapsed = 0 // hide elapsed for now, for backwards compat
buf.WriteString(result)
buf.WriteRune(' ')
buf.WriteString(packageLine(event, exec.Package(event.Package)))
return buf.Flush()
case event.Action == ActionFail:
pkg := exec.Package(event.Package)
tc := pkg.LastFailedByName(event.Test)
pkg.WriteOutputTo(buf, tc.ID)
return formatTest()
case event.Action == ActionPass || event.Action == ActionSkip:
return formatTest()
}
return nil
})
}

If you can share the go test -json output, that should help fix the problem.

from gotestsum.

brvoisin avatar brvoisin commented on June 12, 2024

I use Go version 1.22.

$ go version
go version go1.22.1 linux/amd64

Below the output of go test -json without and with -coverprofile:

$ go test -json ./...
{"Time":"2024-03-26T09:09:49.992462224+01:00","Action":"start","Package":"example/hello"}
{"Time":"2024-03-26T09:09:49.992569598+01:00","Action":"start","Package":"example/hello/anotherpkg"}
{"Time":"2024-03-26T09:09:49.992599308+01:00","Action":"output","Package":"example/hello/anotherpkg","Output":"?   \texample/hello/anotherpkg\t[no test files]\n"}
{"Time":"2024-03-26T09:09:49.992607825+01:00","Action":"skip","Package":"example/hello/anotherpkg","Elapsed":0}
{"Time":"2024-03-26T09:09:49.993343854+01:00","Action":"run","Package":"example/hello","Test":"TestHello"}
{"Time":"2024-03-26T09:09:49.993365569+01:00","Action":"output","Package":"example/hello","Test":"TestHello","Output":"=== RUN   TestHello\n"}
{"Time":"2024-03-26T09:09:49.99339785+01:00","Action":"output","Package":"example/hello","Test":"TestHello","Output":"--- PASS: TestHello (0.00s)\n"}
{"Time":"2024-03-26T09:09:49.993404184+01:00","Action":"pass","Package":"example/hello","Test":"TestHello","Elapsed":0}
{"Time":"2024-03-26T09:09:49.993408811+01:00","Action":"output","Package":"example/hello","Output":"PASS\n"}
{"Time":"2024-03-26T09:09:49.993696835+01:00","Action":"output","Package":"example/hello","Output":"ok  \texample/hello\t0.001s\n"}
{"Time":"2024-03-26T09:09:49.994080965+01:00","Action":"pass","Package":"example/hello","Elapsed":0.002}
{"Time":"2024-03-26T09:09:50.004938203+01:00","Action":"start","Package":"example/hello/apackage"}
{"Time":"2024-03-26T09:09:50.005625687+01:00","Action":"run","Package":"example/hello/apackage","Test":"TestFoo"}
{"Time":"2024-03-26T09:09:50.005637775+01:00","Action":"output","Package":"example/hello/apackage","Test":"TestFoo","Output":"=== RUN   TestFoo\n"}
{"Time":"2024-03-26T09:09:50.005677401+01:00","Action":"output","Package":"example/hello/apackage","Test":"TestFoo","Output":"foo\n"}
{"Time":"2024-03-26T09:09:50.005688205+01:00","Action":"output","Package":"example/hello/apackage","Test":"TestFoo","Output":"--- PASS: TestFoo (0.00s)\n"}
{"Time":"2024-03-26T09:09:50.005696831+01:00","Action":"pass","Package":"example/hello/apackage","Test":"TestFoo","Elapsed":0}
{"Time":"2024-03-26T09:09:50.005706491+01:00","Action":"output","Package":"example/hello/apackage","Output":"PASS\n"}
{"Time":"2024-03-26T09:09:50.006033933+01:00","Action":"output","Package":"example/hello/apackage","Output":"ok  \texample/hello/apackage\t0.001s\n"}
{"Time":"2024-03-26T09:09:50.006302826+01:00","Action":"pass","Package":"example/hello/apackage","Elapsed":0.001}

$ go test -json ./... -coverprofile=cover.txt
{"Time":"2024-03-26T09:09:54.45858177+01:00","Action":"start","Package":"example/hello"}
{"Time":"2024-03-26T09:09:54.458725526+01:00","Action":"start","Package":"example/hello/anotherpkg"}
{"Time":"2024-03-26T09:09:54.45879087+01:00","Action":"start","Package":"example/hello/apackage"}
{"Time":"2024-03-26T09:09:54.459795512+01:00","Action":"run","Package":"example/hello","Test":"TestHello"}
{"Time":"2024-03-26T09:09:54.459805312+01:00","Action":"output","Package":"example/hello","Test":"TestHello","Output":"=== RUN   TestHello\n"}
{"Time":"2024-03-26T09:09:54.45983974+01:00","Action":"output","Package":"example/hello","Test":"TestHello","Output":"--- PASS: TestHello (0.00s)\n"}
{"Time":"2024-03-26T09:09:54.459844837+01:00","Action":"pass","Package":"example/hello","Test":"TestHello","Elapsed":0}
{"Time":"2024-03-26T09:09:54.459850483+01:00","Action":"output","Package":"example/hello","Output":"PASS\n"}
{"Time":"2024-03-26T09:09:54.459854333+01:00","Action":"output","Package":"example/hello","Output":"coverage: 0.0% of statements\n"}
{"Time":"2024-03-26T09:09:54.45986771+01:00","Action":"run","Package":"example/hello/apackage","Test":"TestFoo"}
{"Time":"2024-03-26T09:09:54.45987908+01:00","Action":"output","Package":"example/hello/apackage","Test":"TestFoo","Output":"=== RUN   TestFoo\n"}
{"Time":"2024-03-26T09:09:54.459892145+01:00","Action":"output","Package":"example/hello/apackage","Test":"TestFoo","Output":"foo\n"}
{"Time":"2024-03-26T09:09:54.459898106+01:00","Action":"output","Package":"example/hello/apackage","Test":"TestFoo","Output":"--- PASS: TestFoo (0.00s)\n"}
{"Time":"2024-03-26T09:09:54.459900914+01:00","Action":"pass","Package":"example/hello/apackage","Test":"TestFoo","Elapsed":0}
{"Time":"2024-03-26T09:09:54.459903831+01:00","Action":"output","Package":"example/hello/apackage","Output":"PASS\n"}
{"Time":"2024-03-26T09:09:54.460030451+01:00","Action":"output","Package":"example/hello","Output":"ok  \texample/hello\t0.001s\tcoverage: 0.0% of statements\n"}
{"Time":"2024-03-26T09:09:54.460038761+01:00","Action":"pass","Package":"example/hello","Elapsed":0.001}
{"Time":"2024-03-26T09:09:54.460176944+01:00","Action":"output","Package":"example/hello/apackage","Output":"coverage: 100.0% of statements\n"}
{"Time":"2024-03-26T09:09:54.460359785+01:00","Action":"output","Package":"example/hello/apackage","Output":"ok  \texample/hello/apackage\t0.001s\tcoverage: 100.0% of statements\n"}
{"Time":"2024-03-26T09:09:54.46036672+01:00","Action":"pass","Package":"example/hello/apackage","Elapsed":0.002}
{"Time":"2024-03-26T09:09:54.465235329+01:00","Action":"output","Package":"example/hello/anotherpkg","Output":"\texample/hello/anotherpkg\t\tcoverage: 0.0% of statements\n"}
{"Time":"2024-03-26T09:09:54.466021445+01:00","Action":"pass","Package":"example/hello/anotherpkg","Elapsed":0.007}

from gotestsum.

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