add unit test to test behaviour on start stop

Signed-off-by: Utkarsh Mani Tripathi <utkarsh.tripathi@mayadata.io>

mock/remote_test.go

@@ -0,0 +1,53 @@
+package mock
+
+import (
+	"log"
+	"testing"
+)
+
+func TestStartStop(t *testing.T) {
+	cases := map[string]struct {
+		count         int
+		shutdownAgain bool
+		expectErr     bool
+	}{
+		"TargetStartStop": {
+			count:     3,
+			expectErr: false,
+		},
+		"TargetStop": {
+			count:         1,
+			expectErr:     true,
+			shutdownAgain: true,
+		},
+	}
+
+	for name, tt := range cases {
+		t.Run(name, func(t *testing.T) {
+			for i := 0; i < tt.count; i++ {
+				bs := &remoteBs{}
+				err := bs.Startup("store1", "", "127.0.0.1", 2147483648, 512)
+				if err != nil {
+					log.Fatal("Failed to initialize tgt, err: ", err)
+				}
+
+				expectErr := false
+				err = bs.Shutdown()
+				if err != nil {
+					expectErr = true
+				}
+
+				if tt.shutdownAgain {
+					err = bs.Shutdown()
+					if err != nil {
+						expectErr = true
+					}
+				}
+
+				if tt.expectErr != expectErr {
+					t.Fatalf("Startup test failed, err: %v", err)
+				}
+			}
+		})
+	}
+}