tests: virstoragetest: validate that array deflattening works for gluster

Validate that we are able to parse back the dotted syntax arrays we were
generating in the pre-blockdev era.
Signed-off-by: NPeter Krempa <pkrempa@redhat.com>
Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>

tests/virstoragetest.c

@@ -1387,6 +1387,24 @@ mymain(void)
                         "  <host transport='unix' socket='/path/socket'/>\n"
                         "  <host name='example.com' port='24007'/>\n"
                         "</source>\n");
+    TEST_BACKING_PARSE("json:{\"driver\": \"raw\","
+                             "\"file\": {\"server.0.host\": \"A.A.A.A\","
+                                        "\"server.1.host\": \"B.B.B.B\","
+                                        "\"server.2.host\": \"C.C.C.C\","
+                                        "\"driver\": \"gluster\","
+                                        "\"path\": \"raw\","
+                                        "\"server.0.type\": \"tcp\","
+                                        "\"server.1.type\": \"tcp\","
+                                        "\"server.2.type\": \"tcp\","
+                                        "\"server.0.port\": \"24007\","
+                                        "\"server.1.port\": \"24007\","
+                                        "\"server.2.port\": \"24007\","
+                                        "\"volume\": \"vol1\"}}",
+                       "<source protocol='gluster' name='vol1/raw'>\n"
+                       "  <host name='A.A.A.A' port='24007'/>\n"
+                       "  <host name='B.B.B.B' port='24007'/>\n"
+                       "  <host name='C.C.C.C' port='24007'/>\n"
+                       "</source>\n");
     TEST_BACKING_PARSE("json:{\"file\":{\"driver\":\"nbd\","
                                        "\"path\":\"/path/to/socket\""
                                       "}"