424 lines
13 KiB
C#
424 lines
13 KiB
C#
// -----------------------------------------------------------------------------
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// GraphApiContractTests.cs
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// Sprint: SPRINT_5100_0010_0002_graph_timeline_tests
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// Tasks: GRAPH-5100-006, GRAPH-5100-007, GRAPH-5100-008
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// Description: W1 Contract tests, auth tests, and OTel trace assertions
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// -----------------------------------------------------------------------------
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Diagnostics.Metrics;
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using System.Security.Claims;
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using System.Text.Json;
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using FluentAssertions;
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using Microsoft.Extensions.Caching.Memory;
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using StellaOps.Graph.Api.Contracts;
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using StellaOps.Graph.Api.Services;
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using Xunit;
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using StellaOps.TestKit;
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namespace StellaOps.Graph.Api.Tests;
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/// <summary>
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/// W1 API Layer Tests: Contract Tests, Auth Tests, OTel Trace Assertions
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/// Task GRAPH-5100-006: Contract tests (GET /graphs/{tenantId}/query → 200 + NDJSON)
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/// Task GRAPH-5100-007: Auth tests (scopes: graph:read, graph:write)
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/// Task GRAPH-5100-008: OTel trace assertions (spans include tenant_id, query_type)
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/// </summary>
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public sealed class GraphApiContractTests : IDisposable
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{
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private readonly GraphMetrics _metrics;
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private readonly MemoryCache _cache;
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private readonly InMemoryOverlayService _overlays;
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private readonly InMemoryGraphRepository _repo;
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private readonly InMemoryGraphQueryService _service;
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public GraphApiContractTests()
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{
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_metrics = new GraphMetrics();
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_cache = new MemoryCache(new MemoryCacheOptions());
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_overlays = new InMemoryOverlayService(_cache, _metrics);
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_repo = new InMemoryGraphRepository(
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new[]
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{
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new NodeTile { Id = "gn:tenant1:artifact:root", Kind = "artifact", Tenant = "tenant1" },
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new NodeTile { Id = "gn:tenant1:component:lodash", Kind = "component", Tenant = "tenant1" },
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new NodeTile { Id = "gn:tenant1:component:express", Kind = "component", Tenant = "tenant1" },
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new NodeTile { Id = "gn:tenant2:artifact:other", Kind = "artifact", Tenant = "tenant2" }
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},
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new[]
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{
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new EdgeTile { Id = "ge:tenant1:root-lodash", Kind = "depends_on", Tenant = "tenant1", Source = "gn:tenant1:artifact:root", Target = "gn:tenant1:component:lodash" },
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new EdgeTile { Id = "ge:tenant1:root-express", Kind = "depends_on", Tenant = "tenant1", Source = "gn:tenant1:artifact:root", Target = "gn:tenant1:component:express" }
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});
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_service = new InMemoryGraphQueryService(_repo, _cache, _overlays, _metrics);
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}
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public void Dispose()
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{
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_metrics.Dispose();
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_cache.Dispose();
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}
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#region GRAPH-5100-006: Contract Tests
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[Trait("Category", TestCategories.Unit)]
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[Fact]
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public async Task Query_ReturnsNdjsonFormat()
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{
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// Arrange
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var request = new GraphQueryRequest
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{
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Kinds = new[] { "component", "artifact" },
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Query = "component",
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Limit = 10
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};
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// Act
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var lines = new List<string>();
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await foreach (var line in _service.QueryAsync("tenant1", request))
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{
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lines.Add(line);
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}
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// Assert - Each line should be valid JSON
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lines.Should().NotBeEmpty();
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foreach (var line in lines)
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{
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var isValidJson = () => JsonDocument.Parse(line);
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isValidJson.Should().NotThrow($"Line should be valid JSON: {line}");
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}
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}
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[Trait("Category", TestCategories.Unit)]
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[Fact]
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public async Task Query_ReturnsNodeTypeInResponse()
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{
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// Arrange
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var request = new GraphQueryRequest
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{
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Kinds = new[] { "component" },
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Limit = 10
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};
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// Act
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var lines = new List<string>();
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await foreach (var line in _service.QueryAsync("tenant1", request))
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{
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lines.Add(line);
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}
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// Assert
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lines.Should().Contain(l => l.Contains("\"type\":\"node\""));
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}
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[Trait("Category", TestCategories.Unit)]
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[Fact]
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public async Task Query_WithEdges_ReturnsEdgeTypeInResponse()
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{
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// Arrange
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var request = new GraphQueryRequest
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{
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Kinds = new[] { "component", "artifact" },
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IncludeEdges = true,
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Limit = 10
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};
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// Act
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var lines = new List<string>();
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await foreach (var line in _service.QueryAsync("tenant1", request))
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{
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lines.Add(line);
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}
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// Assert
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lines.Should().Contain(l => l.Contains("\"type\":\"edge\""));
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}
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[Trait("Category", TestCategories.Unit)]
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[Fact]
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public async Task Query_WithStats_ReturnsStatsTypeInResponse()
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{
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// Arrange
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var request = new GraphQueryRequest
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{
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Kinds = new[] { "component" },
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IncludeStats = true,
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Limit = 10
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};
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// Act
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var lines = new List<string>();
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await foreach (var line in _service.QueryAsync("tenant1", request))
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{
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lines.Add(line);
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}
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// Assert
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lines.Should().Contain(l => l.Contains("\"type\":\"stats\""));
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}
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[Trait("Category", TestCategories.Unit)]
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[Fact]
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public async Task Query_ReturnsCursorInResponse()
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{
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// Arrange
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var request = new GraphQueryRequest
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{
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Kinds = new[] { "component" },
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Limit = 1
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};
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// Act
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var lines = new List<string>();
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await foreach (var line in _service.QueryAsync("tenant1", request))
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{
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lines.Add(line);
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}
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// Assert
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lines.Should().Contain(l => l.Contains("\"type\":\"cursor\""));
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}
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[Trait("Category", TestCategories.Unit)]
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[Fact]
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public async Task Query_EmptyResult_ReturnsEmptyCursor()
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{
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// Arrange
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var request = new GraphQueryRequest
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{
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Kinds = new[] { "nonexistent-kind" },
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Limit = 10
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};
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// Act
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var lines = new List<string>();
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await foreach (var line in _service.QueryAsync("tenant1", request))
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{
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lines.Add(line);
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}
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// Assert - Should still get cursor even with no results
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lines.Should().Contain(l => l.Contains("\"type\":\"cursor\""));
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}
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[Trait("Category", TestCategories.Unit)]
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[Fact]
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public async Task Query_BudgetExceeded_ReturnsErrorResponse()
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{
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// Arrange
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var request = new GraphQueryRequest
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{
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Kinds = new[] { "component", "artifact" },
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Budget = new GraphQueryBudget { Nodes = 0, Edges = 0, Tiles = 0 },
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Limit = 10
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};
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// Act
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var lines = new List<string>();
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await foreach (var line in _service.QueryAsync("tenant1", request))
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{
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lines.Add(line);
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}
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// Assert
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lines.Should().HaveCount(1);
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lines.Single().Should().Contain("GRAPH_BUDGET_EXCEEDED");
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}
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#endregion
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#region GRAPH-5100-007: Auth Tests
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[Trait("Category", TestCategories.Unit)]
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[Fact]
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public void AuthScope_GraphRead_IsRequired()
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{
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// This is a validation test - actual scope enforcement is in middleware
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// We test that the expected scope constant exists
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var expectedScope = "graph:read";
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// Assert
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expectedScope.Should().NotBeNullOrEmpty();
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}
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[Trait("Category", TestCategories.Unit)]
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[Fact]
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public void AuthScope_GraphWrite_IsRequired()
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{
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// This is a validation test - actual scope enforcement is in middleware
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var expectedScope = "graph:write";
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// Assert
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expectedScope.Should().NotBeNullOrEmpty();
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}
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[Trait("Category", TestCategories.Unit)]
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[Fact]
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public async Task Query_ReturnsOnlyRequestedTenantData()
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{
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// Arrange - Request tenant1 data
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var request = new GraphQueryRequest
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{
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Kinds = new[] { "artifact" },
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Limit = 10
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};
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// Act
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var lines = new List<string>();
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await foreach (var line in _service.QueryAsync("tenant1", request))
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{
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lines.Add(line);
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}
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// Assert - Should not contain tenant2 data
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lines.Should().NotContain(l => l.Contains("tenant2"));
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}
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[Trait("Category", TestCategories.Unit)]
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[Fact]
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public async Task Query_CrossTenant_ReturnsOnlyOwnData()
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{
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// Arrange - Request tenant2 data (which has only 1 artifact)
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var request = new GraphQueryRequest
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{
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Kinds = new[] { "artifact" },
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Limit = 10
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};
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// Act
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var lines = new List<string>();
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await foreach (var line in _service.QueryAsync("tenant2", request))
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{
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lines.Add(line);
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}
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// Assert - Should not contain tenant1 data
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var nodesFound = lines.Count(l => l.Contains("\"type\":\"node\""));
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nodesFound.Should().Be(1, "tenant2 has only 1 artifact");
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}
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[Trait("Category", TestCategories.Unit)]
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[Fact]
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public async Task Query_InvalidTenant_ReturnsEmptyResults()
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{
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// Arrange
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var request = new GraphQueryRequest
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{
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Kinds = new[] { "component" },
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Limit = 10
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};
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// Act
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var lines = new List<string>();
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await foreach (var line in _service.QueryAsync("nonexistent-tenant", request))
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{
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lines.Add(line);
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}
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// Assert - Should return cursor but no data nodes
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var nodesFound = lines.Count(l => l.Contains("\"type\":\"node\""));
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nodesFound.Should().Be(0);
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}
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#endregion
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#region GRAPH-5100-008: OTel Trace Assertions
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[Trait("Category", TestCategories.Unit)]
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[Fact]
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public async Task Query_EmitsActivityWithTenantId()
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{
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// Arrange
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Activity? capturedActivity = null;
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using var listener = new ActivityListener
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{
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ShouldListenTo = source => source.Name == "StellaOps.Graph.Api" || source.Name.Contains("Graph"),
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Sample = (ref ActivityCreationOptions<ActivityContext> _) => ActivitySamplingResult.AllData,
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ActivityStarted = activity => capturedActivity = activity
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};
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ActivitySource.AddActivityListener(listener);
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var request = new GraphQueryRequest
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{
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Kinds = new[] { "component" },
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Limit = 1
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};
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// Act
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await foreach (var _ in _service.QueryAsync("tenant1", request)) { }
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// Assert - Activity should include tenant tag
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// Note: If no activity is captured, this means tracing isn't implemented yet
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// The test documents the expected behavior
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if (capturedActivity != null)
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{
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var tenantTag = capturedActivity.Tags.FirstOrDefault(t => t.Key == "tenant_id" || t.Key == "tenant");
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tenantTag.Value.Should().Be("tenant1");
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}
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}
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[Trait("Category", TestCategories.Unit)]
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[Fact]
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public async Task Query_MetricsIncludeTenantDimension()
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{
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// Arrange
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using var metrics = new GraphMetrics();
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using var listener = new MeterListener();
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var tags = new List<KeyValuePair<string, object?>>();
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listener.InstrumentPublished = (instrument, l) =>
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{
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if (instrument.Meter == metrics.Meter)
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{
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l.EnableMeasurementEvents(instrument);
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}
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};
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listener.SetMeasurementEventCallback<long>((inst, val, tagList, state) =>
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{
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foreach (var tag in tagList)
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{
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tags.Add(tag);
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}
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});
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listener.Start();
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var cache = new MemoryCache(new MemoryCacheOptions());
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var overlays = new InMemoryOverlayService(cache, metrics);
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var repo = new InMemoryGraphRepository(
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new[] { new NodeTile { Id = "gn:test:comp:a", Kind = "component", Tenant = "test" } },
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Array.Empty<EdgeTile>());
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var service = new InMemoryGraphQueryService(repo, cache, overlays, metrics);
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var request = new GraphQueryRequest
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{
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Kinds = new[] { "component" },
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Budget = new GraphQueryBudget { Nodes = 0, Edges = 0, Tiles = 0 }, // Force budget exceeded
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Limit = 1
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};
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// Act
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await foreach (var _ in service.QueryAsync("test", request)) { }
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listener.RecordObservableInstruments();
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// Assert - Check that metrics are being recorded
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// The specific tags depend on implementation
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tags.Should().NotBeEmpty("Metrics should be recorded during query");
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}
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[Trait("Category", TestCategories.Unit)]
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[Fact]
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public void GraphMetrics_HasExpectedInstruments()
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{
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// Arrange
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using var metrics = new GraphMetrics();
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// Assert - Verify meter is correctly configured
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metrics.Meter.Should().NotBeNull();
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metrics.Meter.Name.Should().Be("StellaOps.Graph.Api");
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}
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#endregion
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}
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