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package binarydist
import (
"io/ioutil"
"os"
"os/exec"
"testing"
)
func TestPatch(t *testing.T) {
mustWriteRandFile("test.old", 1e3, 1)
mustWriteRandFile("test.new", 1e3, 2)
got, err := ioutil.TempFile("/tmp", "bspatch.")
if err != nil {
panic(err)
}
os.Remove(got.Name())
err = exec.Command("bsdiff", "test.old", "test.new", "test.patch").Run()
if err != nil {
panic(err)
}
err = Patch(mustOpen("test.old"), got, mustOpen("test.patch"))
if err != nil {
t.Fatal("err", err)
}
ref, err := got.Seek(0, 2)
if err != nil {
panic(err)
}
t.Logf("got %d bytes", ref)
if n := fileCmp(got, mustOpen("test.new")); n > -1 {
t.Fatalf("produced different output at pos %d", n)
}
}
func TestPatchHk(t *testing.T) {
got, err := ioutil.TempFile("/tmp", "bspatch.")
if err != nil {
panic(err)
}
os.Remove(got.Name())
err = Patch(mustOpen("testdata/sample.old"), got, mustOpen("testdata/sample.patch"))
if err != nil {
t.Fatal("err", err)
}
ref, err := got.Seek(0, 2)
if err != nil {
panic(err)
}
t.Logf("got %d bytes", ref)
if n := fileCmp(got, mustOpen("testdata/sample.new")); n > -1 {
t.Fatalf("produced different output at pos %d", n)
}
}
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