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-rw-r--r--plumbing/format/idxfile/writer_test.go98
1 files changed, 98 insertions, 0 deletions
diff --git a/plumbing/format/idxfile/writer_test.go b/plumbing/format/idxfile/writer_test.go
new file mode 100644
index 0000000..912211d
--- /dev/null
+++ b/plumbing/format/idxfile/writer_test.go
@@ -0,0 +1,98 @@
+package idxfile_test
+
+import (
+ "bytes"
+ "encoding/base64"
+ "io/ioutil"
+
+ "gopkg.in/src-d/go-git.v4/plumbing"
+ "gopkg.in/src-d/go-git.v4/plumbing/format/idxfile"
+ "gopkg.in/src-d/go-git.v4/plumbing/format/packfile"
+
+ . "gopkg.in/check.v1"
+ "gopkg.in/src-d/go-git-fixtures.v3"
+)
+
+type WriterSuite struct {
+ fixtures.Suite
+}
+
+var _ = Suite(&WriterSuite{})
+
+func (s *WriterSuite) TestWriter(c *C) {
+ f := fixtures.Basic().One()
+ scanner := packfile.NewScanner(f.Packfile())
+
+ obs := new(idxfile.Writer)
+ parser, err := packfile.NewParser(scanner, obs)
+ c.Assert(err, IsNil)
+
+ _, err = parser.Parse()
+ c.Assert(err, IsNil)
+
+ idx, err := obs.Index()
+ c.Assert(err, IsNil)
+
+ idxFile := f.Idx()
+ expected, err := ioutil.ReadAll(idxFile)
+ c.Assert(err, IsNil)
+ idxFile.Close()
+
+ buf := new(bytes.Buffer)
+ encoder := idxfile.NewEncoder(buf)
+ n, err := encoder.Encode(idx)
+ c.Assert(err, IsNil)
+ c.Assert(n, Equals, len(expected))
+
+ c.Assert(buf.Bytes(), DeepEquals, expected)
+}
+
+func (s *WriterSuite) TestWriterLarge(c *C) {
+ writer := new(idxfile.Writer)
+ err := writer.OnHeader(uint32(len(fixture4GbEntries)))
+ c.Assert(err, IsNil)
+
+ for _, o := range fixture4GbEntries {
+ err = writer.OnInflatedObjectContent(plumbing.NewHash(o.hash), o.offset, o.crc, nil)
+ c.Assert(err, IsNil)
+ }
+
+ err = writer.OnFooter(fixture4GbChecksum)
+ c.Assert(err, IsNil)
+
+ idx, err := writer.Index()
+ c.Assert(err, IsNil)
+
+ // load fixture index
+ f := bytes.NewBufferString(fixtureLarge4GB)
+ expected, err := ioutil.ReadAll(base64.NewDecoder(base64.StdEncoding, f))
+ c.Assert(err, IsNil)
+
+ buf := new(bytes.Buffer)
+ encoder := idxfile.NewEncoder(buf)
+ n, err := encoder.Encode(idx)
+ c.Assert(err, IsNil)
+ c.Assert(n, Equals, len(expected))
+
+ c.Assert(buf.Bytes(), DeepEquals, expected)
+}
+
+var (
+ fixture4GbChecksum = plumbing.NewHash("afabc2269205cf85da1bf7e2fdff42f73810f29b")
+
+ fixture4GbEntries = []struct {
+ offset int64
+ hash string
+ crc uint32
+ }{
+ {12, "303953e5aa461c203a324821bc1717f9b4fff895", 0xbc347c4c},
+ {142, "5296768e3d9f661387ccbff18c4dea6c997fd78c", 0xcdc22842},
+ {1601322837, "03fc8d58d44267274edef4585eaeeb445879d33f", 0x929dfaaa},
+ {2646996529, "8f3ceb4ea4cb9e4a0f751795eb41c9a4f07be772", 0xa61def8a},
+ {3452385606, "e0d1d625010087f79c9e01ad9d8f95e1628dda02", 0x06bea180},
+ {3707047470, "90eba326cdc4d1d61c5ad25224ccbf08731dd041", 0x7193f3ba},
+ {5323223332, "bab53055add7bc35882758a922c54a874d6b1272", 0xac269b8e},
+ {5894072943, "1b8995f51987d8a449ca5ea4356595102dc2fbd4", 0x2187c056},
+ {5924278919, "35858be9c6f5914cbe6768489c41eb6809a2bceb", 0x9c89d9d2},
+ }
+)