func expectCommon(p *gexpect.ExpectSubprocess, searchString string, timeout time.Duration) error {
var err error
p.Capture()
if timeout == 0 {
err = p.Expect(searchString)
} else {
err = p.ExpectTimeout(searchString, timeout)
}
if err != nil {
return fmt.Errorf(string(p.Collect()))
}
return nil
}
func waitOrFail(t *testing.T, child *gexpect.ExpectSubprocess, shouldSucceed bool) {
err := child.Wait()
switch {
case !shouldSucceed && err == nil:
t.Fatalf("Expected test to fail but it didn't\nOutput:\n%s", child.Collect())
case shouldSucceed && err != nil:
t.Fatalf("rkt didn't terminate correctly: %v\nOutput:\n%s", err, child.Collect())
case err != nil && err.Error() != "exit status 1":
t.Fatalf("rkt terminated with unexpected error: %v\nOutput:\n%s", err, child.Collect())
}
}