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package build
import (
"bytes"
"io/ioutil"
"os"
"path/filepath"
"reflect"
"sort"
"testing"
"github.com/NebulousLabs/fastrand"
)
// TestCopyDir checks that CopyDir copies directories as expected.
func TestCopyDir(t *testing.T) {
// Create some nested folders to copy.
os.MkdirAll(TempDir("build"), 0700)
root := TempDir("build", t.Name())
os.MkdirAll(root, 0700)
data := make([][]byte, 2)
for i := range data {
data[i] = fastrand.Bytes(4e3)
}
// Create a file and a directory.
err := ioutil.WriteFile(filepath.Join(root, "f1"), data[0], 0700)
if err != nil {
t.Fatal(err)
}
err = os.MkdirAll(filepath.Join(root, "d1"), 0700)
if err != nil {
t.Fatal(err)
}
err = ioutil.WriteFile(filepath.Join(root, "d1", "d1f1"), data[1], 0700)
if err != nil {
t.Fatal(err)
}
// Copy the root directory.
rootCopy := root + "-copied"
err = CopyDir(root, rootCopy)
if err != nil {
t.Fatal(err)
}
// Verify that the two files, and dir with two files are all correctly
// copied.
f1, err := ioutil.ReadFile(filepath.Join(rootCopy, "f1"))
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(f1, data[0]) {
t.Error("f1 did not match")
}
d1f1, err := ioutil.ReadFile(filepath.Join(rootCopy, "d1", "d1f1"))
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(d1f1, data[1]) {
t.Error("f1 did not match")
}
}
// TestExtractTarGz tests that ExtractTarGz can extract a valid .tar.gz file.
func TestExtractTarGz(t *testing.T) {
dir := TempDir("build", t.Name())
os.MkdirAll(dir, 0700)
if err := ExtractTarGz("testdata/test.tar.gz", dir); err != nil {
t.Fatal(err)
}
folder, err := os.Open(dir)
if err != nil {
t.Fatal(err)
}
files, err := folder.Readdirnames(-1)
if err != nil {
t.Fatal(err)
}
sort.Strings(files)
exp := []string{"1", "2", "3"}
if !reflect.DeepEqual(files, exp) {
t.Fatal("filenames do not match:", files, exp)
}
}
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