{
  "instruction": "Use FluentAssertions, async patterns, and proper JSON assertion patterns in ASP.NET Core tests",
  "relevant_when": "Agent writes ASP.NET Core API integration test assertions",
  "context": "ASP.NET Core integration tests should use FluentAssertions .Should().Be() syntax, ReadFromJsonAsync<JsonElement>() for response deserialization, GetProperty() for JSON navigation, and PostAsJsonAsync for sending JSON payloads.",
  "sources": [
    {
      "type": "file",
      "filename": "skills/aspnet-testing/SKILL.md",
      "tile": "tessl-labs/aspnet-testing@0.2.0"
    }
  ],
  "checklist": [
    {
      "name": "fluentassertions-should",
      "rule": "Agent uses FluentAssertions .Should() syntax for assertions instead of Assert.* calls",
      "relevant_when": "Agent writes test assertions in ASP.NET Core tests"
    },
    {
      "name": "read-from-json-async",
      "rule": "Agent uses ReadFromJsonAsync<JsonElement>() to deserialize HTTP response content",
      "relevant_when": "Agent reads JSON responses in integration tests"
    },
    {
      "name": "getproperty-json-navigation",
      "rule": "Agent uses GetProperty() on JsonElement to navigate JSON response properties",
      "relevant_when": "Agent asserts on JSON response structure"
    },
    {
      "name": "post-as-json-async",
      "rule": "Agent uses PostAsJsonAsync to send JSON payloads in tests",
      "relevant_when": "Agent sends POST requests in integration tests"
    },
    {
      "name": "status-code-assertion",
      "rule": "Agent asserts HTTP status codes using response.StatusCode.Should().Be(HttpStatusCode.OK) pattern with FluentAssertions",
      "relevant_when": "Agent checks HTTP status codes in test assertions"
    },
    {
      "name": "async-test-methods",
      "rule": "Agent writes test methods as 'public async Task' with proper await on HTTP calls",
      "relevant_when": "Agent writes ASP.NET Core test methods"
    }
  ]
}