mmvdump: add a basic test

mmvdump/mmvdump_test.go

@@ -0,0 +1,55 @@
+package mmvdump
+
+import (
+	"os"
+	"testing"
+)
+
+func TestMmvDump1(t *testing.T) {
+	f, err := os.Open("testdata/test1.mmv")
+	if err != nil {
+		panic(err)
+	}
+
+	s, err := os.Stat("testdata/test1.mmv")
+	if err != nil {
+		panic(err)
+	}
+
+	data := make([]byte, s.Size())
+	f.Read(data)
+
+	h, tocs, metrics, values, instances, indoms, strings, err := Dump(data)
+	if err != nil {
+		t.Error(err)
+		return
+	}
+
+	if h.G1 != h.G2 {
+		t.Error("Invalid Header")
+	}
+
+	if len(tocs) != 3 {
+		t.Errorf("expected number of tocs %d, got %d", 3, len(tocs))
+	}
+
+	if len(indoms) != 0 {
+		t.Errorf("expected number of indoms %d, got %d", 0, len(indoms))
+	}
+
+	if len(strings) != 2 {
+		t.Errorf("expected number of strings %d, got %d", 2, len(strings))
+	}
+
+	if len(metrics) != 1 {
+		t.Errorf("expected number of strings %d, got %d", 1, len(metrics))
+	}
+
+	if len(values) != 1 {
+		t.Errorf("expected number of strings %d, got %d", 1, len(values))
+	}
+
+	if len(instances) != 0 {
+		t.Errorf("expected number of strings %d, got %d", 0, len(instances))
+	}
+}