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