formats/packfile: type Hash instead of strings

1 files changed, 88 insertions, 0 deletions

diff --git a/formats/packfile/objects_test.go b/formats/packfile/objects_test.go
new file mode 100644
index 0000000..70f4ae6
--- /dev/null
+++ b/formats/packfile/objects_test.go
@@ -0,0 +1,88 @@
+package packfile
+
+import (
+	"encoding/base64"
+	"time"
+
+	. "gopkg.in/check.v1"
+)
+
+type ObjectsSuite struct{}
+
+var _ = Suite(&ObjectsSuite{})
+
+func (s *ObjectsSuite) TestComputeHash(c *C) {
+	hash := ComputeHash("blob", []byte(""))
+	c.Assert(hash.String(), Equals, "e69de29bb2d1d6434b8b29ae775ad8c2e48c5391")
+
+	hash = ComputeHash("blob", []byte("Hello, World!\n"))
+	c.Assert(hash.String(), Equals, "8ab686eafeb1f44702738c8b0f24f2567c36da6d")
+}
+
+var CommitFixture = "dHJlZSBjMmQzMGZhOGVmMjg4NjE4ZjY1ZjZlZWQ2ZTE2OGUwZDUxNDg4NmY0CnBhcmVudCBiMDI5NTE3ZjYzMDBjMmRhMGY0YjY1MWI4NjQyNTA2Y2Q2YWFmNDVkCnBhcmVudCBiOGU0NzFmNThiY2JjYTYzYjA3YmRhMjBlNDI4MTkwNDA5YzJkYjQ3CmF1dGhvciBNw6F4aW1vIEN1YWRyb3MgPG1jdWFkcm9zQGdtYWlsLmNvbT4gMTQyNzgwMjQzNCArMDIwMApjb21taXR0ZXIgTcOheGltbyBDdWFkcm9zIDxtY3VhZHJvc0BnbWFpbC5jb20+IDE0Mjc4MDI0MzQgKzAyMDAKCk1lcmdlIHB1bGwgcmVxdWVzdCAjMSBmcm9tIGRyaXBvbGxlcy9mZWF0dXJlCgpDcmVhdGluZyBjaGFuZ2Vsb2c="
+
+func (s *ObjectsSuite) TestParseCommit(c *C) {
+	data, _ := base64.StdEncoding.DecodeString(CommitFixture)
+	commit, err := ParseCommit(data)
+	c.Assert(err, IsNil)
+
+	c.Assert(commit.Tree.String(), Equals, "c2d30fa8ef288618f65f6eed6e168e0d514886f4")
+	c.Assert(commit.Parents, HasLen, 2)
+	c.Assert(commit.Parents[0].String(), Equals, "b029517f6300c2da0f4b651b8642506cd6aaf45d")
+	c.Assert(commit.Parents[1].String(), Equals, "b8e471f58bcbca63b07bda20e428190409c2db47")
+	c.Assert(commit.Author.Email, Equals, "mcuadros@gmail.com")
+	c.Assert(commit.Author.Name, Equals, "Máximo Cuadros")
+	c.Assert(commit.Author.When.Unix(), Equals, int64(1427802434))
+	c.Assert(commit.Committer.Email, Equals, "mcuadros@gmail.com")
+	c.Assert(commit.Message, Equals, "Merge pull request #1 from dripolles/feature\n\nCreating changelog")
+}
+
+func (s *ObjectsSuite) TestCommitHash(c *C) {
+	data, _ := base64.StdEncoding.DecodeString(CommitFixture)
+	commit, err := ParseCommit(data)
+
+	c.Assert(err, IsNil)
+	c.Assert(commit.Hash().String(), Equals, "a5b8b09e2f8fcb0bb99d3ccb0958157b40890d69")
+}
+
+func (s *ObjectsSuite) TestParseSignature(c *C) {
+	cases := map[string]Signature{
+		`Foo Bar <foo@bar.com> 1257894000 +0100`: {
+			Name:  "Foo Bar",
+			Email: "foo@bar.com",
+			When:  time.Unix(1257894000, 0),
+		},
+		`Foo Bar <> 1257894000 +0100`: {
+			Name:  "Foo Bar",
+			Email: "",
+			When:  time.Unix(1257894000, 0),
+		},
+		` <> 1257894000`: {
+			Name:  "",
+			Email: "",
+			When:  time.Unix(1257894000, 0),
+		},
+		`Foo Bar <foo@bar.com>`: {
+			Name:  "Foo Bar",
+			Email: "foo@bar.com",
+			When:  time.Time{},
+		},
+		``: {
+			Name:  "",
+			Email: "",
+			When:  time.Time{},
+		},
+		`<`: {
+			Name:  "",
+			Email: "",
+			When:  time.Time{},
+		},
+	}
+
+	for raw, exp := range cases {
+		got := ParseSignature([]byte(raw))
+		c.Assert(got.Name, Equals, exp.Name)
+		c.Assert(got.Email, Equals, exp.Email)
+		c.Assert(got.When.Unix(), Equals, exp.When.Unix())
+	}
+}