pkger/file_test.go

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package pkger
import (
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"io"
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"io/ioutil"
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"strings"
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"testing"
"github.com/stretchr/testify/require"
)
func Test_File_Open(t *testing.T) {
r := require.New(t)
f, err := Open("/file_test.go")
r.NoError(err)
r.Equal("file_test.go", f.Name())
b, err := ioutil.ReadAll(f)
r.NoError(err)
r.Contains(string(b), "Test_File_Open")
r.NoError(f.Close())
}
func Test_File_Open_Dir(t *testing.T) {
r := require.New(t)
f, err := Open("/cmd")
r.NoError(err)
r.Equal("cmd", f.Name())
r.NoError(f.Close())
}
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func Test_File_Read_Memory(t *testing.T) {
r := require.New(t)
f, err := Open("/file_test.go")
r.NoError(err)
f.data = []byte("hi!")
r.Equal("file_test.go", f.Name())
b, err := ioutil.ReadAll(f)
r.NoError(err)
r.Equal(string(b), "hi!")
r.NoError(f.Close())
}
func Test_File_Write(t *testing.T) {
r := require.New(t)
i := newIndex()
f, err := i.Create(Path{
Name: "/hello.txt",
})
r.NoError(err)
r.NotNil(f)
fi, err := f.Stat()
r.NoError(err)
r.Zero(fi.Size())
r.Equal("/hello.txt", fi.Name())
mt := fi.ModTime()
r.NotZero(mt)
sz, err := io.Copy(f, strings.NewReader(radio))
r.NoError(err)
r.Equal(int64(1381), sz)
r.NoError(f.Close())
r.Equal(int64(1381), fi.Size())
r.NotZero(fi.ModTime())
r.NotEqual(mt, fi.ModTime())
}