You'll want to look into gomock and mockgen. To get started mocking,
you'll need an interface, so maybe writing a receiver function
encapsulating os.Hostname(), then consuming that with an interface.
type OsClient struct {}
func (o *OsClient) GetOSHostname() (string, error) { return os.Hostname() }
type HostnameGetter interface { GetOSHostname() (string, error) }
Gomock repo w/ documentation: https://github.com/golang/mock
Nice intros to gomock:
- https://blog.codecentric.de/en/2017/08/gomock-tutorial/
- https://www.philosophicalhacker.com/post/getting-started-with-gomock/
Note to the mods: I accidentally posted this from the wrong, unverified
account first
On Thursday, August 1, 2019 at 7:09:54 AM UTC-5, Nitish Saboo wrote:
>
> Hi,
>
> How can we mock a function in Go like os.Hostname() or os.Getwd() ?
> Any framework or Library that we can use for mocking the function calls ?
>
> Thanks,
> Nitish
>
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