github.com/sashka/siva@v1.6.0/cmd/siva/list_test.go (about) 1 package main 2 3 import ( 4 "bytes" 5 "os" 6 7 . "gopkg.in/check.v1" 8 ) 9 10 type ListSuite struct{} 11 12 var _ = Suite(&ListSuite{}) 13 14 func (s *ListSuite) TestBasic(c *C) { 15 cmd := &CmdList{} 16 cmd.Args.File = "../../fixtures/perms.siva" 17 18 output := captureOutput(func() { 19 err := cmd.Execute(nil) 20 c.Assert(err, IsNil) 21 }) 22 23 c.Assert(output, HasLen, 124) 24 } 25 26 func captureOutput(f func()) string { 27 var buf bytes.Buffer 28 defaultOutput = &buf 29 f() 30 defaultOutput = os.Stdout 31 32 return buf.String() 33 }