Rename Vexer to Excititor
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master
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using System.Collections.Generic;
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using System.Net;
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using System.Net.Http;
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using System.Text;
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using FluentAssertions;
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using Microsoft.Extensions.Caching.Memory;
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using Microsoft.Extensions.Logging.Abstractions;
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using StellaOps.Excititor.Connectors.Oracle.CSAF.Configuration;
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using StellaOps.Excititor.Connectors.Oracle.CSAF.Metadata;
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using System.IO.Abstractions.TestingHelpers;
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using Xunit;
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using System.Threading;
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namespace StellaOps.Excititor.Connectors.Oracle.CSAF.Tests.Metadata;
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public sealed class OracleCatalogLoaderTests
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{
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private const string SampleCatalog = """
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{
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"generated": "2025-09-30T18:00:00Z",
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"catalog": [
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{
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"id": "CPU2025Oct",
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"title": "Oracle Critical Patch Update Advisory - October 2025",
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"published": "2025-10-15T00:00:00Z",
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"revision": "2025-10-15T00:00:00Z",
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"document": {
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"url": "https://updates.oracle.com/cpu/2025-10/cpu2025oct.json",
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"sha256": "abc123",
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"size": 1024
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},
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"products": ["Oracle Database", "Java SE"]
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}
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],
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"schedule": [
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{ "window": "2025-Oct", "releaseDate": "2025-10-15T00:00:00Z" }
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]
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}
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""";
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private const string SampleCalendar = """
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{
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"cpuWindows": [
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{ "name": "2026-Jan", "releaseDate": "2026-01-21T00:00:00Z" }
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]
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}
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""";
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[Fact]
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public async Task LoadAsync_FetchesAndCachesCatalog()
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{
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var handler = new TestHttpMessageHandler(new Dictionary<Uri, HttpResponseMessage>
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{
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[new Uri("https://www.oracle.com/security-alerts/cpu/csaf/catalog.json")] = CreateResponse(SampleCatalog),
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[new Uri("https://www.oracle.com/security-alerts/cpu/cal.json")] = CreateResponse(SampleCalendar),
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});
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var client = new HttpClient(handler);
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var factory = new SingleClientHttpClientFactory(client);
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var cache = new MemoryCache(new MemoryCacheOptions());
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var fileSystem = new MockFileSystem();
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var loader = new OracleCatalogLoader(factory, cache, fileSystem, NullLogger<OracleCatalogLoader>.Instance, new AdjustableTimeProvider());
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var options = new OracleConnectorOptions
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{
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CatalogUri = new Uri("https://www.oracle.com/security-alerts/cpu/csaf/catalog.json"),
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CpuCalendarUri = new Uri("https://www.oracle.com/security-alerts/cpu/cal.json"),
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OfflineSnapshotPath = "/snapshots/oracle-catalog.json",
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};
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var result = await loader.LoadAsync(options, CancellationToken.None);
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result.Metadata.Entries.Should().HaveCount(1);
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result.Metadata.CpuSchedule.Should().Contain(r => r.Window == "2025-Oct");
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result.Metadata.CpuSchedule.Should().Contain(r => r.Window == "2026-Jan");
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result.FromCache.Should().BeFalse();
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fileSystem.FileExists(options.OfflineSnapshotPath!).Should().BeTrue();
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handler.ResetInvocationCount();
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var cached = await loader.LoadAsync(options, CancellationToken.None);
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cached.FromCache.Should().BeTrue();
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handler.InvocationCount.Should().Be(0);
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}
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[Fact]
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public async Task LoadAsync_UsesOfflineSnapshotWhenNetworkFails()
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{
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var handler = new TestHttpMessageHandler(new Dictionary<Uri, HttpResponseMessage>());
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var client = new HttpClient(handler);
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var factory = new SingleClientHttpClientFactory(client);
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var cache = new MemoryCache(new MemoryCacheOptions());
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var fileSystem = new MockFileSystem();
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var offlineJson = """
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{
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"metadata": {
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"generatedAt": "2025-09-30T18:00:00Z",
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"entries": [
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{
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"id": "CPU2025Oct",
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"title": "Oracle Critical Patch Update Advisory - October 2025",
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"documentUri": "https://updates.oracle.com/cpu/2025-10/cpu2025oct.json",
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"publishedAt": "2025-10-15T00:00:00Z",
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"revision": "2025-10-15T00:00:00Z",
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"sha256": "abc123",
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"size": 1024,
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"products": [ "Oracle Database" ]
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}
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],
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"cpuSchedule": [
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{ "window": "2025-Oct", "releaseDate": "2025-10-15T00:00:00Z" }
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]
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},
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"fetchedAt": "2025-10-01T00:00:00Z"
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}
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""";
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fileSystem.AddFile("/snapshots/oracle-catalog.json", new MockFileData(offlineJson));
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var loader = new OracleCatalogLoader(factory, cache, fileSystem, NullLogger<OracleCatalogLoader>.Instance, new AdjustableTimeProvider());
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var options = new OracleConnectorOptions
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{
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CatalogUri = new Uri("https://www.oracle.com/security-alerts/cpu/csaf/catalog.json"),
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OfflineSnapshotPath = "/snapshots/oracle-catalog.json",
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PreferOfflineSnapshot = true,
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};
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var result = await loader.LoadAsync(options, CancellationToken.None);
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result.FromOfflineSnapshot.Should().BeTrue();
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result.Metadata.Entries.Should().NotBeEmpty();
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}
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[Fact]
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public async Task LoadAsync_ThrowsWhenOfflinePreferredButMissing()
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{
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var handler = new TestHttpMessageHandler(new Dictionary<Uri, HttpResponseMessage>());
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var client = new HttpClient(handler);
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var factory = new SingleClientHttpClientFactory(client);
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var cache = new MemoryCache(new MemoryCacheOptions());
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var fileSystem = new MockFileSystem();
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var loader = new OracleCatalogLoader(factory, cache, fileSystem, NullLogger<OracleCatalogLoader>.Instance);
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var options = new OracleConnectorOptions
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{
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CatalogUri = new Uri("https://www.oracle.com/security-alerts/cpu/csaf/catalog.json"),
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PreferOfflineSnapshot = true,
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OfflineSnapshotPath = "/missing/oracle-catalog.json",
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};
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await Assert.ThrowsAsync<InvalidOperationException>(() => loader.LoadAsync(options, CancellationToken.None));
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}
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private static HttpResponseMessage CreateResponse(string payload)
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=> new(HttpStatusCode.OK)
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{
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Content = new StringContent(payload, Encoding.UTF8, "application/json"),
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};
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private sealed class SingleClientHttpClientFactory : IHttpClientFactory
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{
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private readonly HttpClient _client;
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public SingleClientHttpClientFactory(HttpClient client)
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{
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_client = client;
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}
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public HttpClient CreateClient(string name) => _client;
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}
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private sealed class AdjustableTimeProvider : TimeProvider
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{
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private DateTimeOffset _now = DateTimeOffset.UtcNow;
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public override DateTimeOffset GetUtcNow() => _now;
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}
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private sealed class TestHttpMessageHandler : HttpMessageHandler
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{
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private readonly Dictionary<Uri, HttpResponseMessage> _responses;
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public TestHttpMessageHandler(Dictionary<Uri, HttpResponseMessage> responses)
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{
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_responses = responses;
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}
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public int InvocationCount { get; private set; }
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public void ResetInvocationCount() => InvocationCount = 0;
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protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
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{
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InvocationCount++;
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if (request.RequestUri is not null && _responses.TryGetValue(request.RequestUri, out var response))
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{
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var payload = await response.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
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return new HttpResponseMessage(response.StatusCode)
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{
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Content = new StringContent(payload, Encoding.UTF8, "application/json"),
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};
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}
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return new HttpResponseMessage(HttpStatusCode.InternalServerError)
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{
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Content = new StringContent("unexpected request"),
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};
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}
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}
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}
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@@ -0,0 +1,17 @@
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net10.0</TargetFramework>
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<LangVersion>preview</LangVersion>
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<Nullable>enable</Nullable>
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<ImplicitUsings>enable</ImplicitUsings>
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<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
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</PropertyGroup>
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<ItemGroup>
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<ProjectReference Include="..\StellaOps.Excititor.Connectors.Oracle.CSAF\StellaOps.Excititor.Connectors.Oracle.CSAF.csproj" />
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</ItemGroup>
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<ItemGroup>
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<PackageReference Include="FluentAssertions" Version="6.12.0" />
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<PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.0" />
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<PackageReference Include="System.IO.Abstractions.TestingHelpers" Version="20.0.28" />
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</ItemGroup>
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</Project>
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