Tests for msfr

License: MIT
Signed-off-by: Zander Mackie <zmackie@gmail.com>

repo/fsrepo/migrations/mfsr_test.go

+package mfsr
+
+import (
+	"io/ioutil"
+	"testing"
+
+	"github.com/ipfs/go-ipfs/thirdparty/assert"
+)
+
+func testVersionFile(v string, t *testing.T) (rp RepoPath) {
+	name, err := ioutil.TempDir("", v)
+	if err != nil {
+		t.Fatal(err)
+	}
+	rp = RepoPath(name)
+	return rp
+}
+
+func TestVersion(t *testing.T) {
+	rp := RepoPath("")
+	_, err := rp.Version()
+	assert.Err(err, t, "Should throw an error when path is bad,")
+
+	rp = testVersionFile("4", t)
+	_, err = rp.Version()
+	assert.Err(err, t, "Bad VersionFile")
+
+	assert.Nil(rp.WriteVersion(4), t, "Trouble writing version")
+
+	assert.Nil(rp.CheckVersion(4), t, "Trouble checking the verion")
+
+	assert.Err(rp.CheckVersion(1), t, "Should throw an error for the wrong version.")
+}