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package objfile
import (
"bytes"
"encoding/base64"
"fmt"
"io"
"io/ioutil"
. "gopkg.in/check.v1"
"gopkg.in/src-d/go-git.v4/core"
"github.com/klauspost/compress/zlib"
)
type SuiteReader struct{}
var _ = Suite(&SuiteReader{})
func (s *SuiteReader) TestReadObjfile(c *C) {
for k, fixture := range objfileFixtures {
com := fmt.Sprintf("test %d: ", k)
hash := core.NewHash(fixture.hash)
content, _ := base64.StdEncoding.DecodeString(fixture.content)
data, _ := base64.StdEncoding.DecodeString(fixture.data)
testReader(c, bytes.NewReader(data), hash, fixture.t, content, com)
}
}
func testReader(c *C, source io.Reader, hash core.Hash, typ core.ObjectType, content []byte, com string) {
r, err := NewReader(source)
c.Assert(err, IsNil)
c.Assert(r.Type(), Equals, typ)
rc, err := ioutil.ReadAll(r)
c.Assert(err, IsNil)
c.Assert(rc, DeepEquals, content, Commentf("%scontent=%s, expected=%s", base64.StdEncoding.EncodeToString(rc), base64.StdEncoding.EncodeToString(content)))
c.Assert(r.Size(), Equals, int64(len(content)))
c.Assert(r.Hash(), Equals, hash) // Test Hash() before close
c.Assert(r.Close(), IsNil)
c.Assert(r.Hash(), Equals, hash) // Test Hash() after close
_, err = r.Read(make([]byte, 0, 1))
c.Assert(err, Equals, ErrClosed)
}
func (s *SuiteReader) TestReadEmptyObjfile(c *C) {
source := bytes.NewReader([]byte{})
_, err := NewReader(source)
c.Assert(err, Equals, ErrZLib)
}
func (s *SuiteReader) TestReadEmptyContent(c *C) {
b := new(bytes.Buffer)
w := zlib.NewWriter(b)
c.Assert(w.Close(), IsNil)
_, err := NewReader(b)
c.Assert(err, Equals, ErrHeader)
}
func (s *SuiteReader) TestReadGarbage(c *C) {
source := bytes.NewReader([]byte("!@#$RO!@NROSADfinq@o#irn@oirfn"))
_, err := NewReader(source)
c.Assert(err, Equals, ErrZLib)
}
func (s *SuiteReader) TestReadCorruptZLib(c *C) {
data, _ := base64.StdEncoding.DecodeString("eAFLysaalPUjBgAAAJsAHw")
source := bytes.NewReader(data)
_, err := NewReader(source)
c.Assert(err, NotNil)
}
func (s *SuiteReader) TestFillObject(c *C) {
for k, fixture := range objfileFixtures {
com := fmt.Sprintf("test %d: ", k)
hash := core.NewHash(fixture.hash)
content, _ := base64.StdEncoding.DecodeString(fixture.content)
data, _ := base64.StdEncoding.DecodeString(fixture.data)
testFillObject(c, bytes.NewReader(data), hash, fixture.t, content, com)
}
}
func testFillObject(c *C, source io.Reader, hash core.Hash, typ core.ObjectType, content []byte, com string) {
var o core.Object = &core.MemoryObject{}
r, err := NewReader(source)
c.Assert(err, IsNil)
err = r.FillObject(o)
c.Assert(err, IsNil)
c.Assert(o.Type(), Equals, typ)
c.Assert(o.Size(), Equals, int64(len(content)))
c.Assert(o.Hash(), Equals, hash)
or, err := o.Reader()
c.Assert(err, IsNil)
rc, err := ioutil.ReadAll(or)
c.Assert(err, IsNil)
c.Assert(rc, DeepEquals, content, Commentf("%scontent=%s, expected=%s", base64.StdEncoding.EncodeToString(rc), base64.StdEncoding.EncodeToString(content)))
c.Assert(or.Close(), IsNil)
_, err = or.Read(make([]byte, 0, 1))
c.Assert(err, Equals, nil)
ow, err := o.Writer()
c.Assert(ow, Equals, o)
}
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