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Merged
JerrettDavis merged 1 commit into from
May 31, 2026
Merged

test: harden retry and circuit-breaker generator coverage #472

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69 changes: 69 additions & 0 deletions test/PatternKit.Generators.Tests/CircuitBreakerPolicyGeneratorTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -204,6 +204,75 @@ public static partial class CircuitBreakerHost
ScenarioExpect.Equal("PKCB004", diagnostic.Id);
}

[Scenario("Generates circuit breaker policy factory for abstract and sealed hosts")]
[Fact]
public void GeneratesCircuitBreakerPolicyFactoryForAbstractAndSealedHosts()
{
var source = """
using PatternKit.Generators.CircuitBreaker;

namespace Demo;

[GenerateCircuitBreakerPolicy(typeof(string), FactoryMethodName = "CreateAbstract")]
public abstract partial class AbstractCircuitBreakerHost;

[GenerateCircuitBreakerPolicy(typeof(string), FactoryMethodName = "CreateSealed")]
public sealed partial class SealedCircuitBreakerHost;
""";

var comp = CreateCompilation(source, nameof(GeneratesCircuitBreakerPolicyFactoryForAbstractAndSealedHosts));
var gen = new CircuitBreakerPolicyGenerator();
_ = RoslynTestHelpers.Run(comp, gen, out var run, out var updated);

ScenarioExpect.All(run.Results, result => ScenarioExpect.Empty(result.Diagnostics));
var generated = run.Results.SelectMany(result => result.GeneratedSources).ToArray();
ScenarioExpect.Equal(2, generated.Length);
var abstractText = ScenarioExpect.Single(generated.Where(source => source.HintName == "AbstractCircuitBreakerHost.CircuitBreakerPolicy.g.cs")).SourceText.ToString();
var sealedText = ScenarioExpect.Single(generated.Where(source => source.HintName == "SealedCircuitBreakerHost.CircuitBreakerPolicy.g.cs")).SourceText.ToString();
ScenarioExpect.Contains("public abstract partial class AbstractCircuitBreakerHost", abstractText);
ScenarioExpect.Contains("CreateAbstract()", abstractText);
ScenarioExpect.Contains("public sealed partial class SealedCircuitBreakerHost", sealedText);
ScenarioExpect.Contains("CreateSealed()", sealedText);
ScenarioExpect.True(updated.Emit(Stream.Null).Success);
}

[Scenario("Generates circuit breaker policy source for nested accessibility variants")]
[Fact]
public void GeneratesCircuitBreakerPolicySourceForNestedAccessibilityVariants()
{
var source = """
using PatternKit.Generators.CircuitBreaker;

namespace Demo;

public partial class Outer
{
[GenerateCircuitBreakerPolicy(typeof(string), FactoryMethodName = "CreatePrivate")]
private partial class PrivateCircuitBreakerHost;

[GenerateCircuitBreakerPolicy(typeof(string), FactoryMethodName = "CreateProtected")]
protected partial class ProtectedCircuitBreakerHost;

[GenerateCircuitBreakerPolicy(typeof(string), FactoryMethodName = "CreateProtectedInternal")]
protected internal partial class ProtectedInternalCircuitBreakerHost;

[GenerateCircuitBreakerPolicy(typeof(string), FactoryMethodName = "CreatePrivateProtected")]
private protected partial class PrivateProtectedCircuitBreakerHost;
}
""";

var comp = CreateCompilation(source, nameof(GeneratesCircuitBreakerPolicySourceForNestedAccessibilityVariants));
var gen = new CircuitBreakerPolicyGenerator();
_ = RoslynTestHelpers.Run(comp, gen, out var run, out _);

ScenarioExpect.All(run.Results, result => ScenarioExpect.Empty(result.Diagnostics));
var generatedText = string.Join("\n", run.Results.SelectMany(result => result.GeneratedSources).Select(source => source.SourceText.ToString()));
ScenarioExpect.Contains("private partial class PrivateCircuitBreakerHost", generatedText);
ScenarioExpect.Contains("protected partial class ProtectedCircuitBreakerHost", generatedText);
ScenarioExpect.Contains("protected internal partial class ProtectedInternalCircuitBreakerHost", generatedText);
ScenarioExpect.Contains("private protected partial class PrivateProtectedCircuitBreakerHost", generatedText);
}
Comment on lines +264 to +274

private static CSharpCompilation CreateCompilation(string source, string assemblyName)
=> RoslynTestHelpers.CreateCompilation(
source,
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69 changes: 69 additions & 0 deletions test/PatternKit.Generators.Tests/RetryPolicyGeneratorTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -205,6 +205,75 @@ public static partial class RetryHost
ScenarioExpect.Equal("PKRET004", diagnostic.Id);
}

[Scenario("Generates retry policy factory for abstract and sealed hosts")]
[Fact]
public void GeneratesRetryPolicyFactoryForAbstractAndSealedHosts()
{
var source = """
using PatternKit.Generators.Retry;

namespace Demo;

[GenerateRetryPolicy(typeof(string), FactoryMethodName = "CreateAbstract")]
public abstract partial class AbstractRetryHost;

[GenerateRetryPolicy(typeof(string), FactoryMethodName = "CreateSealed")]
public sealed partial class SealedRetryHost;
""";

var comp = CreateCompilation(source, nameof(GeneratesRetryPolicyFactoryForAbstractAndSealedHosts));
var gen = new RetryPolicyGenerator();
_ = RoslynTestHelpers.Run(comp, gen, out var run, out var updated);

ScenarioExpect.All(run.Results, result => ScenarioExpect.Empty(result.Diagnostics));
var generated = run.Results.SelectMany(result => result.GeneratedSources).ToArray();
ScenarioExpect.Equal(2, generated.Length);
var abstractText = ScenarioExpect.Single(generated.Where(source => source.HintName == "AbstractRetryHost.RetryPolicy.g.cs")).SourceText.ToString();
var sealedText = ScenarioExpect.Single(generated.Where(source => source.HintName == "SealedRetryHost.RetryPolicy.g.cs")).SourceText.ToString();
ScenarioExpect.Contains("public abstract partial class AbstractRetryHost", abstractText);
ScenarioExpect.Contains("CreateAbstract()", abstractText);
ScenarioExpect.Contains("public sealed partial class SealedRetryHost", sealedText);
ScenarioExpect.Contains("CreateSealed()", sealedText);
ScenarioExpect.True(updated.Emit(Stream.Null).Success);
}

[Scenario("Generates retry policy source for nested accessibility variants")]
[Fact]
public void GeneratesRetryPolicySourceForNestedAccessibilityVariants()
{
var source = """
using PatternKit.Generators.Retry;

namespace Demo;

public partial class Outer
{
[GenerateRetryPolicy(typeof(string), FactoryMethodName = "CreatePrivate")]
private partial class PrivateRetryHost;

[GenerateRetryPolicy(typeof(string), FactoryMethodName = "CreateProtected")]
protected partial class ProtectedRetryHost;

[GenerateRetryPolicy(typeof(string), FactoryMethodName = "CreateProtectedInternal")]
protected internal partial class ProtectedInternalRetryHost;

[GenerateRetryPolicy(typeof(string), FactoryMethodName = "CreatePrivateProtected")]
private protected partial class PrivateProtectedRetryHost;
}
""";

var comp = CreateCompilation(source, nameof(GeneratesRetryPolicySourceForNestedAccessibilityVariants));
var gen = new RetryPolicyGenerator();
_ = RoslynTestHelpers.Run(comp, gen, out var run, out _);

ScenarioExpect.All(run.Results, result => ScenarioExpect.Empty(result.Diagnostics));
var generatedText = string.Join("\n", run.Results.SelectMany(result => result.GeneratedSources).Select(source => source.SourceText.ToString()));
ScenarioExpect.Contains("private partial class PrivateRetryHost", generatedText);
ScenarioExpect.Contains("protected partial class ProtectedRetryHost", generatedText);
ScenarioExpect.Contains("protected internal partial class ProtectedInternalRetryHost", generatedText);
ScenarioExpect.Contains("private protected partial class PrivateProtectedRetryHost", generatedText);
}
Comment on lines +265 to +275

private static CSharpCompilation CreateCompilation(string source, string assemblyName)
=> RoslynTestHelpers.CreateCompilation(
source,
Expand Down
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