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// Copyright 2017 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
package osutil
import (
"fmt"
"os"
"path/filepath"
"strings"
"testing"
"time"
)
func TestIsExist(t *testing.T) {
if f := os.Args[0]; !IsExist(f) {
t.Fatalf("executable %v does not exist", f)
}
if f := os.Args[0] + "-foo-bar-buz"; IsExist(f) {
t.Fatalf("file %v exists", f)
}
}
func TestCopyFiles(t *testing.T) {
type Test struct {
files []string
patterns map[string]bool
err string
}
tests := []Test{
{
files: []string{
"foo",
"bar",
"baz/foo",
"baz/bar",
},
patterns: map[string]bool{
"foo": true,
"bar": false,
"qux": false,
"baz/foo": true,
"baz/bar": false,
},
},
{
files: []string{
"foo",
},
patterns: map[string]bool{
"bar": true,
},
err: "file bar does not exist",
},
{
files: []string{
"baz/foo",
"baz/bar",
},
patterns: map[string]bool{
"baz/*": true,
},
},
{
files: []string{
"qux/foo/foo",
"qux/foo/bar",
"qux/bar/foo",
"qux/bar/bar",
},
patterns: map[string]bool{
"qux/*/*": false,
},
},
}
for _, link := range []bool{false, true} {
fn, fnName := CopyFiles, "CopyFiles"
if link {
fn, fnName = LinkFiles, "LinkFiles"
}
t.Run(fnName, func(t *testing.T) {
for i, test := range tests {
t.Run(fmt.Sprint(i), func(t *testing.T) {
dir := t.TempDir()
src := filepath.Join(dir, "src")
dst := filepath.Join(dir, "dst")
for _, file := range test.files {
file = filepath.Join(src, filepath.FromSlash(file))
if err := MkdirAll(filepath.Dir(file)); err != nil {
t.Fatal(err)
}
if err := WriteFile(file, []byte{'a'}); err != nil {
t.Fatal(err)
}
}
if err := fn(src, dst, test.patterns); err != nil {
if test.err != "" {
if strings.Contains(err.Error(), test.err) {
return
}
t.Fatalf("got err %q, want %q", err, test.err)
}
t.Fatal(err)
} else if test.err != "" {
t.Fatalf("got no err, want %q", test.err)
}
if err := os.RemoveAll(src); err != nil {
t.Fatal(err)
}
for _, file := range test.files {
if !IsExist(filepath.Join(dst, filepath.FromSlash(file))) {
t.Fatalf("%v does not exist in dst", file)
}
}
if !FilesExist(dst, test.patterns) {
t.Fatalf("dst files don't exist after copy")
}
})
}
})
}
}
func TestMonotonicNano(t *testing.T) {
start := MonotonicNano()
time.Sleep(100 * time.Millisecond)
diff := MonotonicNano() - start
if diff <= 0 || diff > 10*time.Second {
t.Fatalf("diff %v", diff)
}
}
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