Merge pull request #373 from jonboulle/jon-cas

cas: add simple test for remotes

cas/remote_test.go

@@ -0,0 +1,46 @@
+package cas
+
+import (
+	"io/ioutil"
+	"testing"
+)
+
+func TestNewRemote(t *testing.T) {
+	const (
+		u1   = "https://example.com"
+		u2   = "https://foo.com"
+		data = "asdf"
+	)
+	dir, err := ioutil.TempDir("", "")
+	if err != nil {
+		t.Fatal(err)
+	}
+	ds := NewStore(dir)
+
+	// Create our first Remote, and simulate Store() to create index
+	na := NewRemote(u1, "")
+	na.Blob = data
+	ds.WriteIndex(na)
+
+	// Create a new remote w the same parameters, reading from index should be fine
+	nb := NewRemote(u1, "")
+	err = ds.ReadIndex(nb)
+	if err != nil {
+		t.Fatalf("unexpected error reading index: %v", err)
+	}
+	if nb.Blob != data {
+		t.Fatalf("bad data returned from store: got %v, want %v", nb.Blob, data)
+	}
+
+	// Create a new remote with a different URI
+	nc := NewRemote(u2, "")
+	err = ds.ReadIndex(nc)
+	// Should get an error, since the URI shouldn't be indexed
+	if err == nil {
+		t.Errorf("unexpected nil error reading index")
+	}
+	// Remote shouldn't be populated
+	if nc.Blob != "" {
+		t.Errorf("unexpected blob: got %v", nc.Blob)
+	}
+}