Spracherkennung für: .go vermutete Sprache: Delphi {Delphi[54] SPS[54] ABAP[51]} [Methode: maximale Elemente, drei Dimensionen]
// Copyright 2017 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package logger
import (
"bytes"
"fmt"
"io"
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"reflect"
"sort"
"syscall"
"testing"
)
func TestCreateFileWithRotation(t *testing.T) {
dir, err := ioutil.TempDir(
"",
"test-rotation")
if err !=
nil {
t.Fatalf(
"Failed to get TempDir: %v", err)
}
defer os.RemoveAll(dir)
file := filepath.Join(dir,
"build.log")
writeFile := func(name
string, data
string) {
f, err := CreateFileWithRotation(name,
3)
if err !=
nil {
t.Fatalf(
"Failed to create file: %v", err)
}
if n, err := io.WriteString(f, data); err ==
nil && n < len(data) {
t.Fatalf(
"Short write")
}
else if err !=
nil {
t.Fatalf(
"Failed to write: %v", err)
}
if err := f.Close(); err !=
nil {
t.Fatalf(
"Failed to close: %v", err)
}
}
writeFile(
file,
"a")
writeFile(
file,
"b")
writeFile(
file,
"c")
writeFile(
file,
"d")
writeFile(
file,
"e")
d, err := os.Open(dir)
if err !=
nil {
t.Fatalf(
"Failed to open dir: %v", err)
}
names, err := d.Readdirnames(
0)
if err !=
nil {
t.Fatalf(
"Failed to read dir: %v", err)
}
sort.Strings(names)
expected := []
string{
".lock_build.log",
"build.1.log",
"build.2.log",
"build.3.log",
"build.log"}
if !reflect.DeepEqual(names, expected) {
t.Errorf(
"File list does not match.")
t.Errorf(
" got: %v", names)
t.Errorf(
"expected: %v", expected)
t.FailNow()
}
expectFileContents := func(name, expected
string) {
data, err := ioutil.ReadFile(filepath.Join(dir, name))
if err !=
nil {
t.Errorf(
"Error reading file: %v", err)
return
}
str :=
string(data)
if str != expected {
t.Errorf(
"Contents of %v does not match.", name)
t.Errorf(
" got: %v", data)
t.Errorf(
"expected: %v", expected)
}
}
expectFileContents(
"build.log",
"e")
expectFileContents(
"build.1.log",
"d")
expectFileContents(
"build.2.log",
"c")
expectFileContents(
"build.3.log",
"b")
}
func TestPanic(t *testing.T) {
if os.Getenv(
"ACTUALLY_PANIC") ==
"1" {
panicValue :=
"foo"
log := New(&bytes.Buffer{})
defer func() {
p := recover()
if p == panicValue {
os.Exit(
42)
}
else {
fmt.Fprintf(os.Stderr,
"Expected %q, got %v\n", panicValue, p)
os.Exit(
3)
}
}()
defer log.Cleanup()
log.Panic(panicValue)
os.Exit(
2)
return
}
// Run this in an external process so that we don't pollute stderr
cmd := exec.Command(os.Args[
0],
"-test.run=TestPanic")
cmd.Env = append(os.Environ(),
"ACTUALLY_PANIC=1")
err := cmd.Run()
if e, ok := err.(*exec.ExitError); ok && e.Sys().(syscall.WaitStatus).ExitStatus() ==
42 {
return
}
t.Errorf(
"Expected process to exit with status 42, got %v", err)
}
func TestFatal(t *testing.T) {
if os.Getenv(
"ACTUALLY_FATAL") ==
"1" {
log := New(&bytes.Buffer{})
defer func() {
// Shouldn't get here
os.Exit(
3)
}()
defer log.Cleanup()
log.Fatal(
"Test")
os.Exit(
0)
return
}
cmd := exec.Command(os.Args[
0],
"-test.run=TestFatal")
cmd.Env = append(os.Environ(),
"ACTUALLY_FATAL=1")
err := cmd.Run()
if e, ok := err.(*exec.ExitError); ok && e.Sys().(syscall.WaitStatus).ExitStatus() ==
1 {
return
}
t.Errorf(
"Expected process to exit with status 1, got %v", err)
}
func TestNonFatal(t *testing.T) {
if os.Getenv(
"ACTUAL_TEST") ==
"1" {
log := New(&bytes.Buffer{})
defer log.Cleanup()
log.Println(
"Test")
return
}
cmd := exec.Command(os.Args[
0],
"-test.run=TestNonFatal")
cmd.Env = append(os.Environ(),
"ACTUAL_TEST=1")
err := cmd.Run()
if e, ok := err.(*exec.ExitError); ok || (ok && !e.Success()) {
t.Errorf(
"Expected process to exit cleanly, got %v", err)
}
}
func TestRecoverFatal(t *testing.T) {
log := New(&bytes.Buffer{})
defer func() {
if p := recover(); p !=
nil {
t.Errorf(
"Unexpected panic: %#v", p)
}
}()
defer Recover(func(err error) {
if err.Error() !=
"Test" {
t.Errorf(
"Expected %q, but got %q",
"Test", err.Error())
}
})
log.Fatal(
"Test")
t.Errorf(
"Should not get here")
}
func TestRecoverNonFatal(t *testing.T) {
log := New(&bytes.Buffer{})
defer func() {
if p := recover(); p ==
nil {
t.Errorf(
"Panic not thrown")
}
else if p !=
"Test" {
t.Errorf(
"Expected %q, but got %#v",
"Test", p)
}
}()
defer Recover(func(err error) {
t.Errorf(
"Recover function should not be called")
})
log.Panic(
"Test")
t.Errorf(
"Should not get here")
}
func TestRuntimePanic(t *testing.T) {
defer func() {
if p := recover(); p ==
nil {
t.Errorf(
"Panic not thrown")
}
}()
defer Recover(func(err error) {
t.Errorf(
"Recover function should not be called")
})
var i *int
*i =
0
t.Errorf(
"Should not get here")
}