format: packfile based on ObjectStorage and CRC32 calculation

1 files changed, 102 insertions, 0 deletions

diff --git a/fixtures/fixtures.go b/fixtures/fixtures.go
new file mode 100644
index 0000000..2065038
--- /dev/null
+++ b/fixtures/fixtures.go
@@ -0,0 +1,102 @@
+package fixtures
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+
+	check "gopkg.in/check.v1"
+	"gopkg.in/src-d/go-git.v4/core"
+)
+
+var RootFolder = ""
+
+const DataFolder = "data"
+
+var fixtures = []*Fixture{{
+	Tags:         []string{"ofs-delta"},
+	URL:          "https://github.com/git-fixtures/basic",
+	Head:         core.NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5"),
+	PackfileHash: core.NewHash("a3fed42da1e8189a077c0e6846c040dcf73fc9dd"),
+}, {
+	Tags:         []string{"ref-delta"},
+	URL:          "https://github.com/git-fixtures/basic",
+	Head:         core.NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5"),
+	PackfileHash: core.NewHash("c544593473465e6315ad4182d04d366c4592b829"),
+}, {
+	URL:          "https://github.com/spinnaker/spinnaker",
+	Head:         core.NewHash("06ce06d0fc49646c4de733c45b7788aabad98a6f"),
+	PackfileHash: core.NewHash("f2e0a8889a746f7600e07d2246a2e29a72f696be"),
+}}
+
+func All() Fixtures {
+	return fixtures
+}
+
+func Basic() Fixtures {
+	return ByURL("https://github.com/git-fixtures/basic")
+}
+
+func ByURL(url string) Fixtures {
+	r := make(Fixtures, 0)
+	for _, f := range fixtures {
+		if f.URL == url {
+			r = append(r, f)
+		}
+	}
+
+	return r
+}
+
+type Fixture struct {
+	URL          string
+	Tags         []string
+	Head         core.Hash
+	PackfileHash core.Hash
+}
+
+func (f *Fixture) Packfile() io.ReadSeeker {
+	fn := filepath.Join(RootFolder, DataFolder, fmt.Sprintf("pack-%s.pack", f.PackfileHash))
+	file, err := os.Open(fn)
+	if err != nil {
+		panic(err)
+	}
+
+	return file
+}
+
+func (f *Fixture) Idx() io.ReadSeeker {
+	fn := filepath.Join(RootFolder, DataFolder, fmt.Sprintf("pack-%s.idx", f.PackfileHash))
+	file, err := os.Open(fn)
+	if err != nil {
+		panic(err)
+	}
+
+	return file
+}
+
+type Fixtures []*Fixture
+
+func (g Fixtures) Test(c *check.C, test func(*Fixture)) {
+	for _, f := range g {
+		c.Logf("executing test at %s", f.URL)
+		test(f)
+	}
+}
+
+func (g Fixtures) One() *Fixture {
+	return g[0]
+}
+
+func (g Fixtures) ByTag(tag string) *Fixture {
+	for _, f := range g {
+		for _, t := range f.Tags {
+			if t == tag {
+				return f
+			}
+		}
+	}
+
+	return nil
+}