Como enviar REST solicita grafql java
HttpResponse httpResponse = callGraphQLService(serviceUrl, "{allBooks{title}}");
String actualResponse = IOUtils.toString(httpResponse.getEntity().getContent(), StandardCharsets.UTF_8.name());
Response parsedResponse = objectMapper.readValue(actualResponse, Response.class);
assertThat(parsedResponse.getData().getAllBooks()).hasSize(2);
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