no Go source files about gocov HOT 14 CLOSED

I have seen similar recently, can you try with the -v option it should give more information about what the instrumenting code is touching.

On 12/03/2013, at 9:44, Dustin Sallings [email protected] wrote:

I'm not quite sure what's happening here, but I'm trying to run tests in github.com/couchbaselabs/cbgb/cbgb and I get the following:

/var/folders/nt/_3y11_t12szbmgshvz6zgbhh0000gn/T/gocov343768907/src/pkg/github.com/couchbaselabs/cbgb/cbgb/main.go:11:2: no Go source files in /var/folders/nt/_3y11_t12szbmgshvz6zgbhh0000gn/T/gocov343768907/src/pkg/github.com/couchbaselabs/cbgb
go test failed: exit status 1
failed to parse gocov output: stat /var/folders/nt/_3y11_t12szbmgshvz6zgbhh0000gn/T/gocov343768907/gocov.out: no such file or directory
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Like this?

dhcp-110:~/go/src/github.com/couchbaselabs/cbgb/cbgb 632% gocov test -v
instrumenting package "github.com/couchbaselabs/cbgb/cbgb"
/var/folders/nt/_3y11_t12szbmgshvz6zgbhh0000gn/T/gocov505911182/src/pkg/github.com/couchbaselabs/cbgb/cbgb/main.go:11:2: no Go source files in /var/folders/nt/_3y11_t12szbmgshvz6zgbhh0000gn/T/gocov505911182/src/pkg/github.com/couchbaselabs/cbgb
go test failed: exit status 1
failed to parse gocov output: stat /var/folders/nt/_3y11_t12szbmgshvz6zgbhh0000gn/T/gocov505911182/gocov.out: no such file or directory

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Le sigh, that is what I get for doing support from a phone. Ill try to take a look tomorrow unless axw beats me too it.

On 12/03/2013, at 9:48, Dustin Sallings [email protected] wrote:

Like this?

dhcp-110:~/go/src/github.com/couchbaselabs/cbgb/cbgb 632% gocov test -v
instrumenting package "github.com/couchbaselabs/cbgb/cbgb"
/var/folders/nt/_3y11_t12szbmgshvz6zgbhh0000gn/T/gocov505911182/src/pkg/github.com/couchbaselabs/cbgb/cbgb/main.go:11:2: no Go source files in /var/folders/nt/_3y11_t12szbmgshvz6zgbhh0000gn/T/gocov505911182/src/pkg/github.com/couchbaselabs/cbgb
go test failed: exit status 1
failed to parse gocov output: stat /var/folders/nt/_3y11_t12szbmgshvz6zgbhh0000gn/T/gocov505911182/gocov.out: no such file or directory
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Sorry for the tardy reply - I've been out of the country on vacation.
I will try to get to this later in the week and get back to you.

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Just took a look, and figured it out: you've got ".../cbgb/cbgb", which imports ".../cbgb". Since the "-deps" flag isn't passed, gocov isn't copying the source files in ".../cbgb". When "go test" is run, it finds that directory when attempting to resolve the package import (but finds no sources files).

This is a bug; gocov should copy the source files into that directory regardless of whether they're instrumented.

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P.S. You can run with "-deps" in the mean time to work around this bug.

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Sorry about the delay - fixed now.

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NP, the workaround did help. Looking forward to this. Thanks so much for your awesome work.

Andrew Wilkins [email protected] wrote:

Sorry about the delay - fixed now.

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gocov updated and:

D:\Golibs\my\src\bitbucket.org\gosimple\listdict>gocov test bitbucket.org/gosimple/listdict > coverage.json
failed to instrument package(bitbucket.org/gosimple/listdict): no Go source files in D:\Golibs\my\src\bitbucket.org\gosimple

but if I add / at the end of package path it's working

D:\Golibs\my\src\bitbucket.org\gosimple\listdict>gocov test bitbucket.org/gosimple/listdict/ > coverage.json
warning: building out-of-date packages:
        errors
        io
        math
        syscall
        time
        os
        strconv
        reflect
        fmt
        github.com/axw/gocov
        math/rand
        strings
        bytes
        sort
        flag
        bufio
        text/tabwriter
        runtime/pprof
        testing
        regexp/syntax
        regexp
installing these packages with 'go test -i bitbucket.org/gosimple/listdict/' will speed future tests.

ok      bitbucket.org/gosimple/listdict 0.415s

Best regards,
Dobrosław Żybort

P.S. don't have slightest idea why I have that warning (using golang tip)

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I've been having similar issues -- I can test in a subdirectory, but not the toplevel now. I've been switching back and forth between gocov branches to do this. :/

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Aw crap, sorry guys. That's what happens when I code tired. I'll look into it ASAP.

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@matrixik @dustin Please try again. Sorry about that.

Regarding the warning: this is a known issue. It's because a new GOROOT is created, and source is instrumented, so things really are "out of date". I've opened Issue #39 to address this.

Also, I've opened Issue #38 to add some automated tests for instrumentation. I've been slack, and regressions aren't cool.

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Looks good for both cases for me.

Thanks again for this awesome tool.

Andrew Wilkins wrote:

@matrixik https://github.com/matrixik @dustin
https://github.com/dustin Please try again. Sorry about that.

Regarding the warning: this is a known issue. It's because a new
GOROOT is created, and source is instrumented, so things really are
"out of date". I've opened Issue #39
#39 to address this.

Also, I've opened Issue #38 #38
to add some automated tests for instrumentation. I've been slack, and
regressions aren't cool.

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#37 (comment).

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Working OK now. Thank you.

Best regards,
Dobrosław Żybort

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