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feat: Regorus nuget package (#383)

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Organize C# binding example into separate Regorus nuget package and
a test app.

The nuget package targets netstandard 2.0 and 2.1.
The test app is tested for netframework 8.0.

Implement IDisposable for Engine cleanup.

Also remove net40 example. Can be added back later if needed.

Signed-off-by: Anand Krishnamoorthi <anakrish@microsoft.com>
This commit is contained in:
Anand Krishnamoorthi
2025-03-25 11:31:13 -07:00
committed by GitHub
parent c7bf460bc1
commit 2858b63cd4
17 changed files with 713 additions and 702 deletions
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71
bindings/csharp/TestApp/Program.cs Normal file
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// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
using System.Diagnostics;
long nanosecPerTick = (1000L * 1000L * 1000L) / Stopwatch.Frequency;
var w = new Stopwatch();
// Force load of modules.
{
var _e = new Regorus.Engine();
#if NET8_0_OR_GREATER
var _j = System.Text.Json.JsonDocument.Parse("{}");
#endif
}
w.Restart();
var engine = new Regorus.Engine();
engine.SetRegoV0(true);
w.Stop();
var newEngineTicks = w.ElapsedTicks;
w.Restart();
// Load policies and data.
engine.AddPolicyFromFile("../../../tests/aci/framework.rego");
engine.AddPolicyFromFile("../../../tests/aci/api.rego");
engine.AddPolicyFromFile("../../../tests/aci/policy.rego");
engine.AddDataFromJsonFile("../../../tests/aci/data.json");
w.Stop();
var loadPoliciesTicks = w.ElapsedTicks;
w.Restart();
// Set input and eval rule.
engine.SetInputFromJsonFile("../../../tests/aci/input.json");
var value = engine.EvalQuery("data.framework.mount_overlay");
#if NET8_0_OR_GREATER
var valueDoc = System.Text.Json.JsonDocument.Parse(value);
w.Stop();
var evalTicks = w.ElapsedTicks;
Console.WriteLine("{0}", valueDoc);
#else
w.Stop();
var evalTicks = w.ElapsedTicks;
#endif
Console.WriteLine("Engine creation took {0} msecs", (newEngineTicks * nanosecPerTick) / (1000.0 * 1000.0));
Console.WriteLine("Load policies and data took {0} msecs", (loadPoliciesTicks * nanosecPerTick) / (1000.0 * 1000.0));
Console.WriteLine("EvalQuery took {0} msecs", (evalTicks * nanosecPerTick) / (1000.0 * 1000.0));
engine = new Regorus.Engine();
engine.AddPolicy(
"test.rego",
"package test\nx = 1\nmessage = `Hello`");
engine.SetEnableCoverage(true);
Console.WriteLine("{0}", engine.EvalRule("data.test.message"));
Console.WriteLine("{0}", engine.GetCoverageReportPretty());