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package logrotate
import (
"fmt"
"path/filepath"
"reflect"
"runtime"
"strings"
"testing"
)
// identifier can be used as a name of folder(s) etc.
func identifier(t testing.TB) string {
s := t.Name()
s = strings.ReplaceAll(s, " ", "_")
s = strings.ReplaceAll(s, "/", "-")
s = strings.ToLower(s)
s = "logrotate-" + s
return s
}
// assert will log the given message if condition is false.
func assert(condition bool, t testing.TB, msg string, v ...interface{}) {
assertUp(condition, t, 1, msg, v...)
}
// assertUp is like assert, but used inside helper functions, to ensure that
// the file and line number reported by failures corresponds to one or more
// levels up the stack.
func assertUp(condition bool, t testing.TB, caller int, msg string, v ...interface{}) {
if !condition {
_, file, line, _ := runtime.Caller(caller + 1)
v = append([]interface{}{filepath.Base(file), line}, v...)
fmt.Printf("%s:%d: "+msg+"\n", v...)
t.FailNow()
}
}
// equals tests that the two values are equal according to reflect.DeepEqual.
func equals(exp, act interface{}, t testing.TB) {
equalsUp(exp, act, t, 1)
}
// equalsUp is like equals, but used inside helper functions, to ensure that the
// file and line number reported by failures corresponds to one or more levels
// up the stack.
func equalsUp(exp, act interface{}, t testing.TB, caller int) {
if !reflect.DeepEqual(exp, act) {
_, file, line, _ := runtime.Caller(caller + 1)
fmt.Printf("%s:%d: exp: %v (%T), got: %v (%T)\n",
filepath.Base(file), line, exp, exp, act, act)
t.FailNow()
}
}
// isNil reports a failure if the given value is not nil. Note that values
// which cannot be nil will always fail this check.
func isNil(obtained interface{}, t testing.TB) {
isNilUp(obtained, t, 1)
}
// isNilUp is like isNil, but used inside helper functions, to ensure that the
// file and line number reported by failures corresponds to one or more levels
// up the stack.
func isNilUp(obtained interface{}, t testing.TB, caller int) {
if !_isNil(obtained) {
_, file, line, _ := runtime.Caller(caller + 1)
fmt.Printf("%s:%d: expected nil, got: %v\n", filepath.Base(file), line, obtained)
t.FailNow()
}
}
// notNil reports a failure if the given value is nil.
func notNil(obtained interface{}, t testing.TB) {
notNilUp(obtained, t, 1)
}
// notNilUp is like notNil, but used inside helper functions, to ensure that the
// file and line number reported by failures corresponds to one or more levels
// up the stack.
func notNilUp(obtained interface{}, t testing.TB, caller int) {
if _isNil(obtained) {
_, file, line, _ := runtime.Caller(caller + 1)
fmt.Printf("%s:%d: expected non-nil, got: %v\n", filepath.Base(file), line, obtained)
t.FailNow()
}
}
// _isNil is a helper function for isNil and notNil, and should not be used
// directly.
func _isNil(obtained interface{}) bool {
if obtained == nil {
return true
}
switch v := reflect.ValueOf(obtained); v.Kind() {
case reflect.Chan, reflect.Func, reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice:
return v.IsNil()
}
return false
}
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